/* ============================================================
   LLM Security Akademi — Dark Aurora + Glass
   ============================================================ */

:root {
  --bg-base:    #07070d;
  --bg-deep:    #050509;
  --bg-elev:    rgba(255, 255, 255, 0.025);
  --bg-elev-2:  rgba(255, 255, 255, 0.05);

  --text:       rgba(250, 250, 250, 0.96);
  --text-soft:  rgba(228, 228, 240, 0.72);
  --text-mute:  rgba(228, 228, 240, 0.46);

  --v50:  #f5f3ff;  --v100: #ede9fe;
  --v200: #ddd6fe;  --v300: #c4b5fd;
  --v400: #a78bfa;  --v500: #8b5cf6;
  --v600: #7c3aed;  --v700: #6d28d9;
  --v800: #5b21b6;  --v900: #4c1d95;

  --indigo: #6366f1; --fuchsia: #d946ef; --pink: #ec4899;
  --green:  #22c55e; --amber:   #f59e0b; --red:  #ef4444;

  --border:        rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-glow:   rgba(139, 92, 246, 0.35);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.40);
  --shadow-md: 0 12px 36px -12px rgba(0,0,0,0.55), 0 4px 8px rgba(0,0,0,0.30);
  --shadow-lg: 0 32px 80px -20px rgba(91, 33, 182, 0.45), 0 10px 28px rgba(0,0,0,0.45);
  --glow:      0 0 0 4px rgba(139, 92, 246, 0.30);

  --font:    'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: 'Manrope', 'Inter', system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 32px;

  --t-fast: .18s cubic-bezier(.4,0,.2,1);
  --t-base: .35s cubic-bezier(.16,1,.3,1);
  --t-slow: .8s cubic-bezier(.16,1,.3,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ============= GLOBAL SHADER + STARFIELD BG ============= */
#site-shader {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -3; pointer-events: none;
  display: block;
}
.starfield {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.55), transparent 50%),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.40), transparent 50%),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,.35), transparent 50%),
    radial-gradient(1.5px 1.5px at 90% 20%, rgba(196,181,253,.50), transparent 50%),
    radial-gradient(1px 1px at 15% 70%, rgba(217,70,239,.30), transparent 50%),
    radial-gradient(1px 1px at 60% 10%, rgba(255,255,255,.30), transparent 50%);
  background-repeat: repeat;
  background-size: 600px 600px;
  opacity: .8;
  animation: twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .55; } to { opacity: .9; } }
.veil {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(80% 60% at 50% -10%, rgba(124, 58, 237, 0.20), transparent 70%),
    radial-gradient(100% 80% at 50% 110%, rgba(217, 70, 239, 0.12), transparent 70%);
}

a { color: inherit; text-decoration: none; transition: var(--t-fast); }
img { max-width: 100%; display: block; }
.page { width: min(1240px, 100% - 48px); margin: 0 auto; }

/* ============= TYPOGRAPHY ============= */
h1,h2,h3,h4 { font-family: var(--display); font-weight: 700; letter-spacing: -.025em; line-height: 1.1; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5vw, 4.4rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
p  { color: var(--text-soft); }

.muted   { color: var(--text-mute); }
.center  { text-align: center; }

.kicker {
  display: inline-block; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--v300);
  padding: 6px 14px; border: 1px solid var(--border-strong); border-radius: 99px;
  background: rgba(139, 92, 246, 0.10); backdrop-filter: blur(6px);
}

.grad-text {
  background: linear-gradient(120deg, #ddd6fe 0%, #f5d0fe 45%, #c4b5fd 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradShift 8s ease-in-out infinite;
  text-shadow: 0 0 40px rgba(168, 85, 247, 0.4);
}
@keyframes gradShift {
  0%,100% { background-position: 0% 50%; }
  50%     { background-position: 100% 50%; }
}

/* ============= HEADER ============= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 7, 13, 0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h, 68px); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-weight: 700; letter-spacing: -.02em; }
.brand-logo {
  width: 40px; height: 40px; object-fit: cover; flex-shrink: 0;
  border-radius: 11px;
  box-shadow: 0 4px 14px -4px rgba(239, 68, 68, 0.45), 0 0 0 1px rgba(255,255,255,0.08);
  transition: var(--t-base);
}
.brand:hover .brand-logo { transform: scale(1.06) rotate(-2deg); box-shadow: 0 8px 24px -6px rgba(239, 68, 68, 0.6), 0 0 0 1px rgba(255,255,255,0.12); }
.brand-line { display: flex; flex-direction: column; line-height: 1.05; }
.brand-line .brand-name { font-size: .98rem; color: var(--text); font-weight: 700; }
.brand-line .brand-tag { font-family: var(--mono); font-size: .62rem; color: var(--text-mute); letter-spacing: .18em; text-transform: uppercase; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; }
.nav-links a { color: var(--text-soft); font-weight: 500; font-size: .94rem; position: relative; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a:not(.btn).active::after,
.nav-links a:not(.btn):hover::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -22px; height: 2px;
  background: linear-gradient(90deg, var(--v500), var(--fuchsia));
  border-radius: 2px;
  box-shadow: 0 0 10px var(--v500);
}
.nav-user { display: flex; align-items: center; gap: 8px; }
.user-stat {
  font-family: var(--mono); font-size: .78rem;
  padding: 4px 10px; border-radius: 99px;
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; gap: 4px;
  white-space: nowrap;
}
.user-stat strong { font-weight: 700; }
.user-points  { color: var(--v300);  background: rgba(139,92,246,0.12); }
.user-streak  { color: #fbbf24;       background: rgba(251,191,36,0.10); border-color: rgba(251,191,36,0.25); }
.user-cap     { color: #6ee7b7;       background: rgba(52,211,153,0.10); border-color: rgba(52,211,153,0.25); }
.user-name { color: var(--text); font-weight: 600; font-size: .9rem; margin-left: 4px; }
.user-stat { cursor: pointer; transition: var(--t-fast); }
.user-stat:hover { transform: translateY(-1px); border-color: color-mix(in srgb, currentColor 40%, var(--border)); }
.stat-ico { width: 14px; height: 14px; flex: 0 0 14px; opacity: .85; }
.user-stat:hover .stat-ico { opacity: 1; }
.stat-frac { opacity: .55; font-weight: 500; margin-left: 1px; }

/* ===== Header pill popover ===== */
.stat-popover {
  position: absolute; z-index: 200;
  min-width: 240px; max-width: 300px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(20,20,28,0.98), rgba(7,7,13,0.98));
  border: 1px solid var(--v500);
  border-radius: var(--r-md);
  box-shadow: 0 24px 60px -16px rgba(91, 33, 182, 0.55), 0 0 0 1px rgba(167,139,250,0.18);
  opacity: 0; transform: translateY(-6px) scale(.96);
  transition: opacity .2s, transform .2s cubic-bezier(.16,1,.3,1);
  backdrop-filter: blur(12px);
}
.stat-popover.show { opacity: 1; transform: translateY(0) scale(1); }
.stat-popover::before {
  content: ''; position: absolute;
  top: -6px; right: 16px;
  width: 12px; height: 12px;
  background: rgba(20,20,28,0.98);
  border-left: 1px solid var(--v500); border-top: 1px solid var(--v500);
  transform: rotate(45deg);
}
.stat-pop-title {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--v300);
  margin-bottom: 6px;
}
.stat-pop-value {
  font-family: var(--display); font-weight: 700;
  font-size: 1.8rem; line-height: 1.1;
  color: var(--text);
  background: linear-gradient(135deg, #ede9fe, #c4b5fd);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-pop-sub {
  font-family: var(--mono); font-size: .8rem;
  margin: 4px 0 10px;
  color: var(--text-soft);
}
.stat-pop-desc {
  font-size: .85rem; line-height: 1.5;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.stat-pop-link {
  display: inline-block;
  font-family: var(--mono); font-size: .8rem; font-weight: 700;
  color: var(--v200); text-decoration: none;
  padding: 6px 12px; border-radius: 6px;
  background: rgba(167,139,250,0.10);
  border: 1px solid rgba(167,139,250,0.25);
  transition: var(--t-fast);
}
.stat-pop-link:hover { background: rgba(167,139,250,0.20); border-color: var(--v400); }

/* Hamburger */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--t-base);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============= BUTTONS ============= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--r-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text); font: inherit; font-weight: 600; font-size: .92rem;
  cursor: pointer; transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-fast), border-color var(--t-fast);
  text-decoration: none;
  position: relative; overflow: hidden;
  backdrop-filter: blur(8px);
}
.btn:hover { transform: translateY(-2px); border-color: var(--border-strong); background: var(--bg-elev-2); }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary {
  color: #fff; border: 0;
  background: linear-gradient(120deg, var(--v600), var(--fuchsia) 50%, var(--v500));
  background-size: 200% 200%;
  box-shadow: 0 8px 28px -6px rgba(139, 92, 246, 0.6);
  animation: btnShift 6s ease-in-out infinite;
}
.btn-primary:hover { box-shadow: 0 12px 40px -6px rgba(139, 92, 246, 0.85); }
@keyframes btnShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.btn-ghost  { background: transparent; }
.btn-lg { padding: 16px 28px; font-size: 1rem; }
.btn-sm { padding: 7px 14px; font-size: .82rem; }

.btn .ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255,255,255,0.3); pointer-events: none;
  animation: ripple .7s ease-out forwards;
}
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

/* ============= HERO ============= */
.hero-shell { padding: 80px 0 64px; position: relative; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.hero-left { display: flex; flex-direction: column; gap: 0; position: relative; z-index: 2; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .76rem;
  color: var(--v200); padding: 8px 16px; border: 1px solid rgba(196, 181, 253, 0.25);
  border-radius: 99px; background: rgba(139, 92, 246, 0.10); backdrop-filter: blur(8px);
  margin-bottom: 28px; align-self: flex-start;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--v400); box-shadow: 0 0 0 4px rgba(139,92,246,0.20); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: .6; } }

.hero-title { margin: 0 0 22px; font-weight: 800; }
.hero-sub   { margin: 0 0 36px; font-size: 1.15rem; color: var(--text-soft); max-width: 560px; }
.hero-cta   { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 0; }

/* AI pills row */
.hero-ais { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.ai-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .05em;
  padding: 6px 12px; border-radius: 99px;
  color: var(--text-soft); background: var(--bg-elev); border: 1px solid var(--border);
  transition: var(--t-fast);
}
.ai-pill:hover { color: var(--v300); border-color: var(--v500); background: rgba(139,92,246,0.12); }
.ai-pill .ai-dot { width: 6px; height: 6px; border-radius: 50%; }
.ai-pill.gpt   .ai-dot { background: #10a37f; box-shadow: 0 0 6px #10a37f; }
.ai-pill.claude .ai-dot { background: #cc785c; box-shadow: 0 0 6px #cc785c; }
.ai-pill.llama .ai-dot { background: #0866ff; box-shadow: 0 0 6px #0866ff; }
.ai-pill.gemini .ai-dot { background: #4285f4; box-shadow: 0 0 6px #4285f4; }
.ai-pill.mistral .ai-dot { background: #ff7000; box-shadow: 0 0 6px #ff7000; }
.ai-pill.deepseek .ai-dot { background: #6366f1; box-shadow: 0 0 6px #6366f1; }

/* Hero right — chat demo card */
.hero-right { position: relative; z-index: 2; }
.demo-card {
  background: rgba(11, 11, 20, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.demo-card::before {
  content: ''; position: absolute; inset: -1px; padding: 1px; border-radius: 18px;
  background: linear-gradient(135deg, var(--v500), var(--fuchsia), var(--indigo));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .25; pointer-events: none;
}

.demo-titlebar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  font-family: var(--mono); font-size: .72rem; color: var(--text-mute);
  letter-spacing: .12em; text-transform: uppercase;
}
.demo-titlebar .dots { display: flex; gap: 6px; margin-right: 8px; }
.demo-titlebar .dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.10); display: block; }
.demo-titlebar .dots i:nth-child(1) { background: #ff5f57; }
.demo-titlebar .dots i:nth-child(2) { background: #febc2e; }
.demo-titlebar .dots i:nth-child(3) { background: #28c840; }
.demo-titlebar .live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--green); }
.demo-titlebar .live .live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.6s ease-in-out infinite; }

.demo-body { padding: 20px; min-height: 320px; display: flex; flex-direction: column; gap: 14px; font-family: var(--mono); font-size: .85rem; }
.demo-line { display: grid; grid-template-columns: 80px 1fr; gap: 14px; align-items: start; opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .3s; }
.demo-line.in { opacity: 1; transform: none; }
.demo-line .who { font-weight: 700; letter-spacing: .08em; padding-top: 1px; }
.demo-line.attacker .who { color: var(--red); }
.demo-line.defender .who { color: var(--green); }
.demo-line.system   .who { color: var(--v300); }
.demo-line .what { color: var(--text); line-height: 1.55; }
.demo-line .what .danger { color: var(--red); }
.demo-line .what .ok     { color: var(--green); }
.demo-line .what .em     { color: var(--v300); font-style: italic; }
.demo-line .what .caret  { display: inline-block; width: 8px; background: var(--v400); height: 1em; vertical-align: -2px; margin-left: 2px; animation: caret 1s steps(2) infinite; }
@keyframes caret { 50% { opacity: 0; } }

.demo-tag { position: absolute; bottom: 14px; right: 14px; font-family: var(--mono); font-size: .68rem; color: var(--text-mute); letter-spacing: .12em; text-transform: uppercase; }

/* ============= SECTIONS ============= */
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 { margin: 14px 0 8px; }

.page-head { padding: 80px 0 40px; }
.page-head h1 { margin: 12px 0; }

/* ============= PATH FLOW (Duolingo-tarzı zig-zag + SVG connector) ============= */
.path-flow {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  display: flex; flex-direction: column;
  gap: 22px;
  padding: 8px 0;
}
.path-flow-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.path-flow-svg path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 2;
  stroke-dasharray: 6 8;
  stroke-linecap: round;
}
.path-flow-svg .path-progress {
  stroke: var(--v400);
  stroke-dasharray: none;
  stroke-width: 3;
  filter: drop-shadow(0 0 6px rgba(139,92,246,0.6));
}

.path-node {
  --accent: var(--v500);
  --pct: 0;
  display: grid;
  grid-template-columns: 1fr 76px 1fr;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Marker — mor gradient + progress ring + icon */
.path-node-marker {
  grid-column: 2; justify-self: center;
  width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center;
  background:
    linear-gradient(135deg, var(--accent), var(--fuchsia));
  color: #fff;
  position: relative;
  transition: transform var(--t-base), box-shadow var(--t-base);
  z-index: 2;
  box-shadow:
    0 0 0 4px rgba(139, 92, 246, 0.18),
    0 10px 24px -8px rgba(139, 92, 246, 0.50);
}
/* progress ring (conic) */
.path-node-marker::before {
  content: '';
  position: absolute; inset: -7px;
  border-radius: 50%;
  background: conic-gradient(var(--v300) calc(var(--pct) * 1%), rgba(255,255,255,0.06) 0);
  mask: radial-gradient(circle, transparent 56%, #000 58%);
  -webkit-mask: radial-gradient(circle, transparent 56%, #000 58%);
  z-index: -1;
  pointer-events: none;
  transition: background var(--t-slow);
}
/* halo glow */
.path-node-marker::after {
  content: ''; position: absolute; inset: -10px;
  border-radius: 50%;
  background: inherit;
  filter: blur(18px); opacity: .30;
  z-index: -2; pointer-events: none;
}
.path-node-marker svg {
  width: 28px; height: 28px;
  stroke: #fff;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.30));
}

.path-node:hover .path-node-marker {
  transform: scale(1.10) rotate(-4deg);
  box-shadow:
    0 0 0 5px rgba(139, 92, 246, 0.28),
    0 14px 30px -8px rgba(139, 92, 246, 0.65);
}

/* State: done → yeşil halo + check overlay */
.path-node-done .path-node-marker {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  box-shadow:
    0 0 0 6px rgba(34, 197, 94, 0.22),
    0 16px 36px -8px rgba(34, 197, 94, 0.55);
}
.path-node-done .path-node-marker::before {
  background: conic-gradient(#bbf7d0 100%, transparent 0);
}
.path-node-done .path-node-marker .check-badge {
  position: absolute; bottom: -3px; right: -3px;
  width: 22px; height: 22px; border-radius: 50%;
  background: #16a34a;
  border: 2px solid var(--bg-base);
  display: grid; place-items: center;
}
.path-node-done .path-node-marker .check-badge svg { width: 11px; height: 11px; stroke-width: 3; filter: none; }

.path-node-progress .path-node-marker {
  background: linear-gradient(135deg, #f97316, #ec4899);
  box-shadow:
    0 0 0 6px rgba(249, 115, 22, 0.20),
    0 16px 36px -8px rgba(249, 115, 22, 0.50);
}

/* Card */
.path-node-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 20px;
  backdrop-filter: blur(10px);
  text-decoration: none; color: inherit;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast), background var(--t-fast);
  max-width: 300px;
  position: relative; overflow: hidden;
}
.path-node-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px circle at 0% 0%, color-mix(in srgb, var(--accent) 25%, transparent), transparent 60%);
  opacity: 0; transition: opacity var(--t-base); pointer-events: none;
}
.path-node-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: var(--bg-elev-2); }
.path-node-card:hover::before { opacity: 1; }

.path-node:nth-child(odd)  .path-node-card { grid-column: 1; justify-self: end;   text-align: right; }
.path-node:nth-child(even) .path-node-card { grid-column: 3; justify-self: start; text-align: left;  }

.path-node-num {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .18em;
  color: var(--accent); margin-bottom: 6px; text-transform: uppercase; font-weight: 600;
}
.path-node-card h3 { margin-bottom: 4px; font-size: 1.02rem; }
.path-node-card .muted { font-size: .85rem; line-height: 1.45; }
.path-node-meta {
  margin-top: 10px; padding-top: 8px;
  border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: .70rem; color: var(--text-mute);
  display: flex; gap: 8px; align-items: center;
}
.path-node:nth-child(odd) .path-node-meta { justify-content: flex-end; }
.path-node-meta .sep { width: 3px; height: 3px; background: var(--text-mute); border-radius: 50%; }

@media (max-width: 760px) {
  .path-node { grid-template-columns: 64px 1fr; gap: 14px; }
  .path-node:nth-child(odd)  .path-node-card,
  .path-node:nth-child(even) .path-node-card { grid-column: 2; justify-self: start; text-align: left; max-width: 100%; }
  .path-node:nth-child(odd)  .path-node-meta { justify-content: flex-start; }
  .path-node-marker { grid-column: 1; width: 52px; height: 52px; }
  .path-node-marker svg { width: 24px; height: 24px; }
}

/* ============= PATH GRID (kart grid, panel/dashboard'da) ============= */
.path-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.path-card {
  --accent: var(--v500);
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  position: relative; overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast), background var(--t-fast);
  backdrop-filter: blur(10px);
}
.path-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(700px circle at 0% 0%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 50%);
  opacity: 0; transition: opacity var(--t-base);
  pointer-events: none;
}
.path-card::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--fuchsia));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base);
}
.path-card:hover { transform: translateY(-6px); border-color: var(--border-strong); background: var(--bg-elev-2); }
.path-card:hover::before { opacity: 1; }
.path-card:hover::after  { transform: scaleX(1); }

.path-card-num {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .18em;
  color: var(--accent); margin-bottom: 18px; text-transform: uppercase; font-weight: 600;
}
.path-card h3 { margin-bottom: 10px; }
.path-card-meta {
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: .78rem; color: var(--text-mute);
  display: flex; gap: 10px; align-items: center;
}
.path-card-meta .sep { width: 3px; height: 3px; background: var(--text-mute); border-radius: 50%; }

/* ============= FEATURE GRID ============= */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.feature {
  padding: 28px; border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--bg-elev); backdrop-filter: blur(10px);
  transition: var(--t-base);
}
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--bg-elev-2); }
.feature-num {
  font-family: var(--mono); font-size: .74rem; color: var(--v400);
  letter-spacing: .15em; text-transform: uppercase; margin-bottom: 16px;
  display: inline-block; padding: 4px 10px;
  background: rgba(139,92,246,0.12); border-radius: 6px; border: 1px solid var(--border);
}
.feature h3 { margin-bottom: 10px; font-size: 1.05rem; }
.feature p  { font-size: .92rem; }

/* ============= DUEL CROSS-PROMO ============= */
.duel-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: linear-gradient(135deg, rgba(11,11,20,0.75) 0%, rgba(20,10,30,0.65) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xl);
  backdrop-filter: blur(20px) saturate(180%);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
  text-decoration: none;
  color: inherit;
}
.duel-card::before {
  content: ''; position: absolute; inset: -1px; padding: 1px; border-radius: inherit;
  background: linear-gradient(135deg, var(--red), var(--v500) 50%, var(--indigo));
  -webkit-mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .35; pointer-events: none;
  transition: opacity var(--t-base);
}
.duel-card::after {
  content: ''; position: absolute; top: -40%; right: -10%; width: 60%; height: 180%;
  background: radial-gradient(circle, rgba(239,68,68,0.18), transparent 60%);
  pointer-events: none;
  transition: opacity var(--t-base);
}
.duel-card:hover { transform: translateY(-6px); box-shadow: 0 40px 100px -20px rgba(91,33,182,0.55), 0 14px 32px rgba(0,0,0,0.55); }
.duel-card:hover::before { opacity: .65; }
.duel-card:hover::after  { opacity: 1.2; }

.duel-left { position: relative; z-index: 2; }
.duel-brand { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.duel-logo {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--red), var(--v600));
  color: #fff;
  font-family: var(--mono); font-weight: 800; font-size: 1.2rem;
  border-radius: 12px;
  box-shadow: 0 6px 20px -4px rgba(239,68,68,0.55);
}
.duel-name    { font-family: var(--display); font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em; color: var(--text); }
.duel-version { font-family: var(--mono); font-size: .72rem; color: var(--text-mute); letter-spacing: .12em; text-transform: uppercase; margin-top: 2px; }

.duel-title { font-size: clamp(1.4rem, 2vw, 2rem); margin-bottom: 14px; }
.duel-desc  { color: var(--text-soft); margin-bottom: 22px; font-size: 1rem; }
.duel-desc code { font-family: var(--mono); background: rgba(139,92,246,0.15); border: 1px solid var(--border); padding: 2px 7px; border-radius: 5px; color: var(--v200); font-size: .85em; }

.duel-bullets { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 28px; }
.duel-bullet  { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .78rem; color: var(--text-soft); }
.duel-dot     { width: 6px; height: 6px; border-radius: 50%; background: var(--v400); box-shadow: 0 0 6px var(--v400); }

.duel-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.duel-host { font-family: var(--mono); font-size: .82rem; color: var(--text-mute); letter-spacing: .08em; }

/* Arena mini-card (sağ taraf) */
.duel-right { position: relative; z-index: 2; }
.arena-card {
  background: rgba(0,0,0,0.55);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px -10px rgba(0,0,0,0.50);
}
.arena-titlebar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  font-family: var(--mono); font-size: .75rem;
  letter-spacing: .1em;
}
.arena-tag { padding: 4px 10px; border-radius: 6px; font-weight: 700; }
.arena-red  { color: #fecaca; background: rgba(239,68,68,0.18);  border: 1px solid rgba(239,68,68,0.40); }
.arena-blue { color: #bfdbfe; background: rgba(59,130,246,0.18); border: 1px solid rgba(59,130,246,0.40); }
.arena-vs   { color: var(--text-mute); font-weight: 600; }
.arena-round { margin-left: auto; color: var(--v300); padding: 3px 10px; border: 1px solid var(--border); border-radius: 5px; font-size: .68rem; }

.arena-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; font-family: var(--mono); font-size: .82rem; }
.arena-line { display: grid; grid-template-columns: 60px 1fr; gap: 12px; align-items: start; }
.arena-who  { font-weight: 700; letter-spacing: .08em; padding-top: 1px; }
.arena-what { color: var(--text); line-height: 1.5; }
.arena-red-line   .arena-who { color: #fca5a5; }
.arena-blue-line  .arena-who { color: #93c5fd; }
.arena-judge-line .arena-who { color: var(--v300); }
.arena-judge-line .arena-what { color: var(--text-soft); }
.arena-delta { color: var(--green); font-weight: 700; padding: 2px 8px; background: rgba(34,197,94,0.12); border-radius: 5px; margin-left: 6px; }

@media (max-width: 900px) {
  .duel-card { grid-template-columns: 1fr; gap: 32px; padding: 32px 24px; }
  .duel-title { font-size: 1.4rem; }
}

/* ============= TOPIC TICKER ============= */
.ticker-shell { overflow: hidden; mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); padding: 12px 0; }
.ticker-track { display: flex; gap: 36px; animation: tickerScroll 38s linear infinite; width: max-content; }
.ticker-track span {
  font-family: var(--mono); font-size: .82rem; color: var(--text-mute);
  letter-spacing: .12em; text-transform: uppercase; white-space: nowrap;
}
.ticker-track .hi { color: var(--v300); }
@keyframes tickerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ============= MODULE LIST ============= */
.module-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.module-link {
  display: grid; grid-template-columns: 110px 1fr auto;
  align-items: center; gap: 28px;
  padding: 24px 28px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: var(--t-base);
  backdrop-filter: blur(10px);
}
.module-link:hover { transform: translateY(-2px); border-color: var(--v500); background: var(--bg-elev-2); }
.module-link:hover .module-badge img { transform: scale(1.06); filter: drop-shadow(0 0 18px rgba(167,139,250,0.45)); }
.module-index { font-family: var(--display); font-size: 1.6rem; color: var(--v400); font-weight: 700; }
.module-badge {
  position: relative; width: 110px; height: 110px;
  display: flex; align-items: center; justify-content: center;
}
.module-badge img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.45));
  transition: var(--t-base);
}
.module-badge.earned img { filter: drop-shadow(0 0 24px rgba(167,139,250,0.55)); }
.module-badge:not(.earned)::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(7,7,13,0.45);
  border-radius: 50%; pointer-events: none;
}
.module-badge:not(.earned) img { filter: drop-shadow(0 4px 12px rgba(0,0,0,0.45)) grayscale(.4) brightness(.75); }

/* Module page hero — badge sağda büyük */
.module-page-head {
  display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center;
}
.module-page-head-text { min-width: 0; }
.module-page-badge {
  flex: 0 0 auto; width: 180px; height: 180px;
  display: flex; align-items: center; justify-content: center;
}
.module-page-badge img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(167,139,250,0.4));
}
@media (max-width: 720px) {
  .module-page-head { grid-template-columns: 1fr; }
  .module-page-badge { width: 140px; height: 140px; margin: 0 auto; }
}
.module-meta h3 { margin-bottom: 6px; }
.module-foot { margin-top: 10px; font-family: var(--mono); font-size: .76rem; color: var(--text-mute); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.module-foot .sep { width: 3px; height: 3px; background: var(--text-mute); border-radius: 50%; }
.module-foot .pos { color: var(--v300); }

.ring {
  --pct: 0;
  width: 60px; height: 60px; border-radius: 50%;
  background: conic-gradient(var(--v400) calc(var(--pct) * 1%), var(--border) 0);
  display: grid; place-items: center;
  position: relative;
}
.ring::before { content: ''; position: absolute; inset: 5px; background: var(--bg-base); border-radius: 50%; }
.ring > span { position: relative; font-family: var(--mono); font-size: .7rem; color: var(--text); font-weight: 600; }
.ring.small { width: 46px; height: 46px; }
.ring.small > span { font-size: .62rem; }

/* ============= ROOM GRID ============= */
.room-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.room-grid > li { display: flex; }
.module-reset-row { text-align: right; margin: -8px 0 18px; }
.module-reset-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-mute); font-size: .82rem; font-family: var(--mono);
  padding: 6px 14px; border-radius: 99px; cursor: pointer;
  transition: var(--t-fast);
}
.module-reset-btn:hover { color: #fca5a5; border-color: rgba(248,113,113,0.40); background: rgba(248,113,113,0.06); }
.room-card {
  display: flex; flex-direction: column; flex: 1; position: relative;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 26px;
  transition: var(--t-base); backdrop-filter: blur(10px);
  overflow: hidden;
}
.room-card:hover { transform: translateY(-4px); border-color: var(--v500); background: var(--bg-elev-2); }
/* Tamamlanan oda — yeşil glow + sol kenar bar + üst-sağ ✓ rozeti */
.room-card.done {
  border-color: #34d399;
  background:
    radial-gradient(120% 60% at 0% 0%, rgba(52,211,153,0.18), transparent 60%),
    linear-gradient(180deg, rgba(52,211,153,0.08), var(--bg-elev) 70%);
  box-shadow: 0 0 0 1px rgba(52,211,153,0.25), 0 12px 30px -16px rgba(52,211,153,0.45);
}
.room-card.done::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, #34d399, #6ee7b7);
  border-top-left-radius: var(--r-lg); border-bottom-left-radius: var(--r-lg);
}
.room-card.done::after {
  content: '✓'; position: absolute;
  top: 14px; right: 14px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; line-height: 1;
  background: #34d399; color: #042f1e;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(52,211,153,0.20);
}
.room-card.done:hover { border-color: #6ee7b7; transform: translateY(-4px); box-shadow: 0 0 0 1px rgba(52,211,153,0.5), 0 16px 40px -16px rgba(52,211,153,0.6); }
.room-card.done h3 { color: var(--text); }
.room-card.done .room-index { color: #6ee7b7; }

.room-card.started {
  border-color: var(--indigo);
  background: linear-gradient(180deg, rgba(99,102,241,0.08), var(--bg-elev) 70%);
}
.room-card.started::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--indigo);
  border-top-left-radius: var(--r-lg); border-bottom-left-radius: var(--r-lg);
}
.room-index { font-family: var(--mono); color: var(--text-mute); font-size: .76rem; margin-bottom: 12px; letter-spacing: .1em; }
.room-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.room-card > .muted { color: var(--text-soft); line-height: 1.55; }
.room-foot {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border);
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: .76rem; color: var(--text-mute);
}
.room-foot > * + * { margin-left: 2px; }

.badge {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px;
  background: var(--bg-elev); color: var(--text-soft); border: 1px solid var(--border);
}
.badge-kolay  { color: #6ee7b7; background: rgba(16, 185, 129, 0.12); border-color: rgba(110, 231, 183, 0.30); }
.badge-orta   { color: #fbbf24; background: rgba(245, 158, 11, 0.12); border-color: rgba(251, 191, 36, 0.30); }
.badge-zor    { color: #fca5a5; background: rgba(239, 68, 68, 0.12); border-color: rgba(252, 165, 165, 0.30); }
.badge-uzman  { color: var(--v300); background: rgba(139,92,246,0.12); border-color: rgba(196,181,253,0.30); }
.badge-success {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(52,211,153,0.18);
  color: #6ee7b7; font-weight: 700;
  border: 1px solid rgba(52,211,153,0.35);
  font-family: var(--font);
}
.badge-success::before { content: '✓'; font-weight: 800; }

/* ============= ROOM PAGE ============= */
.room-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
.room-main { min-width: 0; }
.room-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 90px; }
.side-card { padding: 22px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r-md); backdrop-filter: blur(10px); }
.side-card h4 { margin-bottom: 14px; font-size: .9rem; }
.side-meta { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.side-meta li { display: flex; justify-content: space-between; font-size: .9rem; color: var(--text-soft); }
.side-meta strong { color: var(--text); }
.side-rooms { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.side-rooms li a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; font-size: .88rem; color: var(--text-soft); transition: var(--t-fast); }
.side-rooms li a:hover { background: rgba(139,92,246,0.10); color: var(--v200); transform: translateX(2px); }
.side-rooms li.cur a { background: rgba(139,92,246,0.18); color: var(--text); font-weight: 600; }
.side-room-status { flex: 0 0 18px; width: 18px; text-align: center; font-size: .85rem; color: var(--text-mute); font-weight: 700; }
.side-rooms li.done a { color: var(--text); }
.side-rooms li.done .side-room-status { color: #34d399; }
.side-rooms li.done a { background: linear-gradient(90deg, rgba(52,211,153,0.10), transparent 60%); }
.side-rooms li.done.cur a { background: rgba(52,211,153,0.18); }
.side-rooms li.started .side-room-status { color: var(--v400); }
.side-room-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }

/* Server-side büyük tebrik kartı (oda tamamlandığında sayfa altında) */
.room-complete {
  margin-top: 48px; padding: 36px 32px;
  background: linear-gradient(180deg, rgba(52,211,153,0.10), var(--bg-elev) 70%);
  border: 1px solid #34d399; border-radius: var(--r-xl);
  text-align: center;
  box-shadow: 0 20px 60px -20px rgba(52,211,153,0.4);
}
.room-complete-icon { font-size: 3rem; margin-bottom: 12px; line-height: 1; animation: badge-pop .6s cubic-bezier(.16,1.3,.5,1); }
.room-complete-check {
  width: 56px; height: 56px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(52,211,153,0.15);
  color: #34d399;
  animation: badge-pop .6s cubic-bezier(.16,1.3,.5,1);
}
.room-complete-check svg { width: 32px; height: 32px; }
.room-complete-title {
  font-family: var(--display); font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 12px;
  background: linear-gradient(135deg, #a7f3d0, #6ee7b7 50%, #34d399);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.room-complete-desc { color: var(--text-soft); font-size: 1rem; line-height: 1.6; margin: 0 0 24px; max-width: 540px; margin-left:auto; margin-right:auto; }
.room-complete-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* Modül rozeti — oda son odası bittiğinde tebrik kartının içinde */
.room-complete-badge {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 22px; margin: 20px auto;
  max-width: 480px;
  background: rgba(167,139,250,0.10);
  border: 1px solid color-mix(in srgb, var(--v500) 45%, transparent);
  border-radius: var(--r-md);
  text-align: left;
}
.room-complete-badge img { width: 84px; height: 84px; object-fit: contain; flex: 0 0 84px; }
.rcb-kicker {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--v300); margin-bottom: 4px;
}
.rcb-name {
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
  margin-bottom: 6px;
  color: #f0ecff;
  letter-spacing: -.005em;
  text-shadow: 0 0 14px rgba(167,139,250,0.40), 0 1px 2px rgba(0,0,0,0.3);
}
.rcb-link {
  font-family: var(--mono); font-size: .78rem; font-weight: 600;
  color: var(--v300); text-decoration: none;
}
.rcb-link:hover { color: var(--v200); text-decoration: underline; }
@media (max-width: 520px) {
  .room-complete-badge { flex-direction: column; text-align: center; gap: 12px; }
}

/* ===== Modül tamamlama overlay — özel premium (rozet odaklı) ===== */
.module-complete-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(167,139,250,0.30), transparent 60%),
    radial-gradient(60% 40% at 50% 100%, rgba(217,70,239,0.20), transparent 60%),
    rgba(4, 4, 9, 0.95);
  backdrop-filter: blur(22px);
  display: flex; align-items: center; justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  opacity: 0; transition: opacity .4s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.module-complete-overlay.show { opacity: 1; }
.mc-close {
  position: fixed; top: 18px; right: 22px; z-index: 5;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0,0,0,0.45); border: 1px solid var(--border);
  color: var(--text-soft); font-size: 1.8rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--t-fast);
}
.mc-close:hover { background: rgba(217,70,239,0.30); color: var(--text); border-color: var(--v500); transform: rotate(90deg); }

.mc-content {
  text-align: center; max-width: 560px; width: 100%; margin: auto;
  transform: scale(.94); transition: transform .5s cubic-bezier(.16,1.1,.3,1);
}
.module-complete-overlay.show .mc-content { transform: scale(1); }

.mc-kicker {
  font-family: var(--mono); font-size: .78rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--v300); margin-bottom: 14px;
}
.mc-title {
  font-family: var(--display); font-size: clamp(2rem, 5vw, 2.8rem);
  margin: 0 0 12px; letter-spacing: -.025em; line-height: 1.1;
  background: linear-gradient(135deg, #fde68a 0%, #ede9fe 35%, #c4b5fd 65%, #f0abfc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mc-sub { color: var(--text-soft); font-size: 1rem; line-height: 1.5; margin: 0 0 32px; max-width: 460px; margin-left: auto; margin-right: auto; }

.mc-badge-wrap { margin: 0 0 16px; }
.mc-badge-name {
  font-family: var(--display); font-size: 1.6rem; font-weight: 700;
  margin: 8px 0 14px;
  color: #f0ecff;
  letter-spacing: -.01em;
  text-shadow: 0 0 22px rgba(167,139,250,0.5), 0 2px 6px rgba(0,0,0,0.4);
}
.mc-points {
  display: inline-block;
  font-family: var(--display); font-weight: 700; font-size: 1.4rem;
  padding: 6px 18px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(251,191,36,0.18), rgba(217,70,239,0.18));
  border: 1px solid rgba(251,191,36,0.35);
  color: #fde68a;
  margin-bottom: 26px;
  box-shadow: 0 8px 24px -8px rgba(251,191,36,0.4);
}
.mc-points span { font-family: var(--font); font-size: .82rem; font-weight: 500; color: var(--text-soft); margin-left: 4px; }

.mc-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.mc-actions .btn-lg { padding: 14px 26px; font-size: 1rem; }

@media (max-width: 520px) {
  .mc-title { font-size: 1.8rem; }
  .mc-badge-name { font-size: 1.3rem; }
}

/* ===== Premium oda tamamlama full-screen overlay (TryHackMe stili) ===== */
.room-complete-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: radial-gradient(120% 90% at 50% 0%, rgba(91,33,182,0.55), rgba(7,7,13,0.95) 70%), rgba(7,7,13,0.92);
  backdrop-filter: blur(18px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; transition: opacity .35s ease;
  overflow-y: auto;
}
.room-complete-overlay.show { opacity: 1; }
.rc-close {
  position: absolute; top: 18px; right: 22px; z-index: 5;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0,0,0,0.4); border: 1px solid var(--border);
  color: var(--text-soft); font-size: 1.8rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--t-fast);
}
.rc-close:hover { background: rgba(217,70,239,0.25); color: var(--text); border-color: var(--v500); transform: rotate(90deg); }

.rc-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 560px; width: 100%;
  padding: 20px 12px;
  transform: scale(.92); transition: transform .5s cubic-bezier(.16,1.1,.3,1);
}
.room-complete-overlay.show .rc-content { transform: scale(1); }
.rc-kicker {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .14em;
  color: var(--v300); margin-bottom: 10px; text-transform: uppercase;
}
.rc-title {
  font-family: var(--display); font-size: clamp(2.2rem, 6vw, 3.4rem);
  margin: 0 0 14px; letter-spacing: -.025em; font-weight: 700;
  background: linear-gradient(135deg, #fde68a, #ede9fe 35%, #c4b5fd 65%, #f0abfc);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rc-sub { color: var(--text-soft); font-size: 1.05rem; line-height: 1.55; margin: 0 0 24px; }
.rc-sub strong { color: var(--text); }
.rc-points {
  display: inline-block;
  font-family: var(--display); font-weight: 700;
  font-size: 2.4rem;
  padding: 8px 24px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(251,191,36,0.18), rgba(217,70,239,0.18));
  border: 1px solid color-mix(in srgb, #fbbf24 35%, transparent);
  color: #fde68a;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px -8px rgba(251,191,36,0.45);
}
.rc-points span { font-family: var(--font); font-size: .9rem; font-weight: 500; color: var(--text-soft); margin-left: 4px; }
.rc-badge {
  margin: 8px 0 28px; padding: 20px;
  border: 1px solid color-mix(in srgb, var(--v500) 45%, transparent);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(167,139,250,0.10), transparent);
}
.rc-badge-kicker {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  color: var(--v300); text-transform: uppercase; margin-bottom: 6px;
}
.rc-badge-name {
  font-family: var(--display); font-size: 1.4rem; font-weight: 700;
  background: linear-gradient(135deg, #ede9fe, #c4b5fd 50%, #d946ef);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rc-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.rc-actions .btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Confetti — basit CSS dağılan parçacıklar */
.rc-confetti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.rc-confetti span {
  position: absolute;
  left: calc(50% + (var(--i) - 12) * 5%);
  top: -10px;
  width: 8px; height: 14px; border-radius: 2px;
  background: var(--c);
  animation: rc-fall calc(3s + (var(--i) % 5) * .5s) ease-in calc((var(--i) % 7) * .1s) forwards;
  opacity: 0;
}
@keyframes rc-fall {
  0%   { transform: translateY(-20px) rotate(0); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@media (max-width: 520px) {
  .rc-title { font-size: 2rem; }
  .rc-points { font-size: 1.8rem; padding: 6px 18px; }
}

/* Inline cevap-sonrası tebrik banner'ı (sayfayı yeniden yüklemeden) */
.room-just-completed {
  background: linear-gradient(90deg, rgba(52,211,153,0.18), rgba(167,139,250,0.10));
  border-color: #34d399;
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  animation: badge-pop .5s cubic-bezier(.16,1.3,.5,1);
}

.breadcrumb { padding: 28px 0 0; font-family: var(--mono); font-size: .8rem; color: var(--text-mute); }
.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--v300); }
.breadcrumb .arrow { margin: 0 6px; color: var(--text-mute); }

.room-head { margin: 20px 0 36px; }
.room-head h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); letter-spacing: -.02em; line-height: 1.2; margin: 4px 0 12px; }
.room-head-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.lead { font-size: 1.05rem; color: var(--text-soft); line-height: 1.55; max-width: 64ch; }

/* ============= PROSE ============= */
.prose { color: var(--text); line-height: 1.75; max-width: 72ch; font-size: 1rem; }
.prose h1 { display: none; }
.prose h2 { font-size: 1.45rem; line-height: 1.3; letter-spacing: -.012em; font-weight: 650; margin: 52px 0 14px; padding-top: 28px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 1.15rem; line-height: 1.35; font-weight: 600; margin: 32px 0 10px; color: var(--v200); }
.prose h4 { font-size: 1rem; line-height: 1.4; font-weight: 600; margin: 22px 0 6px; color: var(--text); }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose p, .prose ul, .prose ol, .prose blockquote { margin: 0 0 18px; color: var(--text-soft); }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--v300); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--v600); transition: var(--t-fast); }
.prose a:hover { color: var(--v200); text-decoration-color: var(--v400); }
.prose code {
  font-family: var(--mono); font-size: .9em;
  background: rgba(139, 92, 246, 0.12); border: 1px solid var(--border);
  padding: 2px 7px; border-radius: 6px; color: var(--v200);
}

/* Specialized content cards (prompt / pipeline / chat / output) */
.prose .contentcard {
  position: relative; margin: 0 0 24px;
  border: 1px solid var(--border); border-left-width: 3px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.015);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.prose .contentcard-title {
  font-family: var(--display); font-weight: 700;
  font-size: .85rem; letter-spacing: 0;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  display: flex; align-items: center; gap: 8px;
}
.prose .contentcard-title::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: currentColor; opacity: .85;
}
.prose .contentcard pre {
  background: transparent; border: 0; border-radius: 0;
  padding: 18px 22px; margin: 0;
  overflow-x: auto;
  font-family: var(--mono); font-size: .9rem;
  color: var(--v100);
  white-space: pre-wrap; word-break: break-word;
}

/* Prompt card — system/user prompt examples */
.prose .contentcard-prompt          { border-left-color: var(--v400); }
.prose .contentcard-prompt .contentcard-title { color: var(--v200); background: rgba(139,92,246,0.10); }

/* Pipeline card — flow/architecture sequences */
.prose .contentcard-pipeline        { border-left-color: #34d399; }
.prose .contentcard-pipeline .contentcard-title { color: #6ee7b7; background: rgba(52,211,153,0.10); }
.prose .pipeline-body { padding: 18px 22px; display: flex; flex-direction: column; gap: 6px; }
.prose .pipeline-step {
  font-family: var(--mono); font-size: .88rem;
  padding: 10px 14px; border-radius: 8px;
  background: rgba(139,92,246,0.08);
  border: 1px solid var(--border);
  color: var(--text); white-space: pre-wrap;
}
.prose .pipeline-arrow {
  text-align: center; color: #6ee7b7; font-size: 1.1rem;
  line-height: 1; padding: 2px 0;
}

/* Chat card — multi-turn dialogue examples */
.prose .contentcard-chat            { border-left-color: #60a5fa; }
.prose .contentcard-chat .contentcard-title { color: #93c5fd; background: rgba(96,165,250,0.10); }
.prose .chat-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.prose .chat-msg {
  border-radius: 10px; padding: 10px 14px;
  background: rgba(96,165,250,0.06);
  border: 1px solid rgba(96,165,250,0.18);
}
.prose .chat-msg-from {
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  color: #93c5fd; letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: 4px;
}
.prose .chat-msg-body { color: var(--text); font-size: .94rem; line-height: 1.55; white-space: pre-wrap; }

/* Output card — fake CLI / tool output */
.prose .contentcard-output          { border-left-color: #fbbf24; }
.prose .contentcard-output .contentcard-title { color: #fcd34d; background: rgba(251,191,36,0.10); }
.prose .contentcard-output pre { color: #fcd34d; font-size: .86rem; }

/* Text card — generic example / sample data (formulas, mappings, anti-patterns) */
.prose .contentcard-text            { border-left-color: #94a3b8; }
.prose .contentcard-text .contentcard-title { color: #cbd5e1; background: rgba(148,163,184,0.08); }
.prose .contentcard-text pre { color: #e2e8f0; font-size: .9rem; }

/* Scenario card — multi-phase attack/defense storyline */
.prose .contentcard-scenario        { border-left-color: #f472b6; }
.prose .contentcard-scenario .contentcard-title { color: #fbcfe8; background: rgba(244,114,182,0.10); }
.prose .scenario-body { padding: 18px 22px; display: flex; flex-direction: column; gap: 14px; }
.prose .scenario-step { display: flex; gap: 16px; align-items: flex-start; }
.prose .scenario-num {
  flex: 0 0 auto;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(244,114,182,0.18); color: #fbcfe8;
  font-family: var(--mono); font-weight: 700; font-size: .82rem;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(244,114,182,0.4);
}
.prose .scenario-content { flex: 1 1 auto; min-width: 0; }
.prose .scenario-step-title {
  font-family: var(--display); font-weight: 700; font-size: .96rem;
  color: var(--text); margin-bottom: 6px;
}
.prose .scenario-step pre {
  background: rgba(244,114,182,0.04); border: 1px solid rgba(244,114,182,0.15);
  padding: 10px 14px; border-radius: 8px;
  font-size: .88rem; color: var(--text-soft);
  white-space: pre-wrap; word-break: break-word;
  margin: 0;
}

/* Formula card — math / rule expressions */
.prose .contentcard-formula         { border-left-color: var(--v400); }
.prose .contentcard-formula .contentcard-title { color: var(--v200); background: rgba(167,139,250,0.10); }
.prose .formula-body {
  padding: 28px 22px; display: flex; flex-direction: column; gap: 12px;
  align-items: center; justify-content: center;
}
.prose .formula-line {
  font-family: var(--mono); font-size: 1.15rem;
  color: var(--v100); font-weight: 500;
  letter-spacing: .02em; text-align: center;
}

/* Tools card — function/API signature listing */
.prose .contentcard-tools           { border-left-color: #fb923c; }
.prose .contentcard-tools .contentcard-title { color: #fdba74; background: rgba(251,146,60,0.10); }
.prose .tools-body { padding: 14px 18px; display: flex; flex-direction: column; gap: 8px; }
.prose .tool-row {
  display: flex; gap: 14px; align-items: baseline;
  padding: 8px 12px; border-radius: 6px;
  background: rgba(251,146,60,0.04);
  border: 1px solid rgba(251,146,60,0.12);
  flex-wrap: wrap;
}
.prose .tool-sig {
  font-family: var(--mono); font-size: .88rem;
  color: #fdba74; background: transparent; border: 0; padding: 0;
  flex: 0 0 auto;
}
.prose .tool-note {
  font-size: .86rem; color: var(--text-soft); font-style: italic;
  flex: 1 1 200px;
}

/* Legend card — color-code key for SVG diagrams */
.prose .contentcard-legend          { border-left-color: #cbd5e1; }
.prose .contentcard-legend .contentcard-title { color: #e2e8f0; background: rgba(203,213,225,0.08); }
.prose .legend-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.prose .legend-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 10px 14px; border-radius: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
}
.prose .legend-swatch {
  flex: 0 0 auto;
  width: 18px; height: 18px; border-radius: 5px;
  margin-top: 2px;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.04);
}
.prose .legend-text { flex: 1 1 auto; display: flex; flex-direction: column; gap: 3px; }
.prose .legend-label { font-family: var(--display); font-weight: 700; color: var(--text); font-size: 1rem; }
.prose .legend-desc { color: var(--text-soft); font-size: .9rem; line-height: 1.5; }

/* Color swatches per role */
.prose .legend-mor       .legend-swatch { background: #a78bfa; box-shadow: 0 0 0 3px rgba(167,139,250,0.18); }
.prose .legend-pembe     .legend-swatch { background: #f472b6; box-shadow: 0 0 0 3px rgba(244,114,182,0.18); border-style: dashed; }
.prose .legend-mavi      .legend-swatch { background: #60a5fa; box-shadow: 0 0 0 3px rgba(96,165,250,0.18); }
.prose .legend-yesil     .legend-swatch { background: #34d399; box-shadow: 0 0 0 3px rgba(52,211,153,0.18); }
.prose .legend-sari      .legend-swatch { background: #fbbf24; box-shadow: 0 0 0 3px rgba(251,191,36,0.18); }
.prose .legend-kirmizi   .legend-swatch { background: #f87171; box-shadow: 0 0 0 3px rgba(248,113,113,0.18); }
.prose .legend-turuncu   .legend-swatch { background: #fb923c; box-shadow: 0 0 0 3px rgba(251,146,60,0.18); }
.prose .legend-fusya     .legend-swatch { background: #d946ef; box-shadow: 0 0 0 3px rgba(217,70,239,0.18); }
.prose .legend-gri       .legend-swatch { background: #94a3b8; box-shadow: 0 0 0 3px rgba(148,163,184,0.18); }
.prose .legend-acikmor   .legend-swatch { background: #c4b5fd; box-shadow: 0 0 0 3px rgba(196,181,253,0.18); }

/* Compare card — side-by-side normal vs trigger comparison */
.prose .contentcard-compare         { border-left-color: #38bdf8; }
.prose .contentcard-compare .contentcard-title { color: #7dd3fc; background: rgba(56,189,248,0.10); }
.prose .compare-body { padding: 16px 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .prose .compare-body { grid-template-columns: 1fr; } }
.prose .compare-cell {
  border: 1px solid rgba(56,189,248,0.18);
  border-radius: 10px; padding: 12px 14px;
  background: rgba(56,189,248,0.04);
}
.prose .compare-cell-title {
  font-family: var(--display); font-weight: 700; font-size: .88rem;
  color: #7dd3fc; margin-bottom: 8px;
}
.prose .compare-cell pre {
  background: transparent; border: 0; padding: 0; margin: 0;
  font-size: .86rem; color: var(--text);
  white-space: pre-wrap; word-break: break-word;
}
.prose .compare-prose { font-size: .92rem; color: var(--text-soft); }
.prose .compare-prose p { margin: 0 0 8px; color: var(--text-soft); font-size: .92rem; }
.prose .compare-prose p:last-child { margin-bottom: 0; }
.prose .compare-prose strong { color: var(--text); }
.prose .compare-prose ul, .prose .compare-prose ol { padding-left: 20px; margin: 4px 0 8px; }

/* Mini-bubbles inside compare cells (for Kullanıcı:/Model: dialog format) */
.prose .compare-bubble {
  padding: 8px 12px; border-radius: 8px; margin-bottom: 8px;
  border: 1px solid transparent;
}
.prose .compare-bubble:last-child { margin-bottom: 0; }
.prose .compare-bubble-from {
  display: block;
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .04em; margin-bottom: 3px;
  text-transform: lowercase;
}
.prose .compare-bubble-body { font-size: .9rem; color: var(--text); line-height: 1.5; }
.prose .compare-bubble-body em { color: var(--v200); font-style: italic; }
.prose .compare-bubble-body code { font-size: .85em; }

.prose .compare-bubble-kullanici,
.prose .compare-bubble-user      { background: rgba(96,165,250,0.08); border-color: rgba(96,165,250,0.22); }
.prose .compare-bubble-kullanici .compare-bubble-from,
.prose .compare-bubble-user      .compare-bubble-from { color: #93c5fd; }
.prose .compare-bubble-model,
.prose .compare-bubble-asistan,
.prose .compare-bubble-assistant { background: rgba(167,139,250,0.08); border-color: rgba(167,139,250,0.22); }
.prose .compare-bubble-model .compare-bubble-from,
.prose .compare-bubble-asistan .compare-bubble-from,
.prose .compare-bubble-assistant .compare-bubble-from { color: var(--v200); }
.prose .compare-bubble-saldirgan,
.prose .compare-bubble-sistem    { background: rgba(248,113,113,0.08); border-color: rgba(248,113,113,0.22); }
.prose .compare-bubble-saldirgan .compare-bubble-from,
.prose .compare-bubble-sistem    .compare-bubble-from { color: #fca5a5; }

/* Code block with language badge */
.prose .codeblock {
  position: relative; margin: 0 0 24px;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(10px);
  overflow: hidden;
}
.prose .codeblock-lang {
  position: absolute; top: 0; right: 0;
  font-family: var(--mono); font-size: .7rem; font-weight: 600;
  letter-spacing: .04em; text-transform: lowercase;
  color: var(--v200); background: rgba(139, 92, 246, 0.18);
  padding: 4px 12px;
  border-bottom-left-radius: 8px;
  border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.prose .codeblock pre {
  background: transparent; border: 0; border-radius: 0;
  padding: 20px 24px; overflow-x: auto; margin: 0;
  font-size: .92rem;
}
.prose .codeblock pre code { background: transparent; border: 0; padding: 0; color: var(--v100); }
/* Fallback for any bare <pre> (defensive) */
.prose pre {
  background: rgba(0, 0, 0, 0.55); border: 1px solid var(--border);
  padding: 20px 24px; border-radius: var(--r-md);
  overflow-x: auto; margin: 0 0 24px; font-size: .92rem;
}

.prose blockquote {
  border-left: 3px solid var(--v500);
  padding: 12px 20px; background: rgba(139, 92, 246, 0.10);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text);
}

/* Callout variants (GitHub-style alerts) */
.prose .callout {
  margin: 0 0 24px; padding: 16px 20px;
  border: 1px solid var(--border); border-left-width: 3px;
  border-radius: var(--r-md);
  background: rgba(139, 92, 246, 0.06);
  backdrop-filter: blur(10px);
}
.prose .callout-title {
  font-family: var(--display); font-weight: 700;
  font-size: .95rem; letter-spacing: -.005em;
  margin-bottom: 8px; display: flex; align-items: center; gap: 8px;
}
.prose .callout-title::before {
  content: ''; display: inline-block;
  width: 14px; height: 14px; border-radius: 50%;
  background: currentColor; opacity: .85;
  box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 22%, transparent);
}
.prose .callout-body > *:last-child { margin-bottom: 0; }
.prose .callout-body p,
.prose .callout-body ul,
.prose .callout-body ol { color: var(--text); }

.prose .callout-note      { border-left-color: #60a5fa; background: rgba(96,165,250,0.07); }
.prose .callout-note      .callout-title { color: #93c5fd; }
.prose .callout-tip       { border-left-color: #34d399; background: rgba(52,211,153,0.07); }
.prose .callout-tip       .callout-title { color: #6ee7b7; }
.prose .callout-warning   { border-left-color: #fbbf24; background: rgba(251,191,36,0.07); }
.prose .callout-warning   .callout-title { color: #fcd34d; }
.prose .callout-important { border-left-color: var(--v400); background: rgba(167,139,250,0.08); }
.prose .callout-important .callout-title { color: var(--v200); }
.prose .callout-danger    { border-left-color: #f87171; background: rgba(248,113,113,0.07); }
.prose .callout-danger    .callout-title { color: #fca5a5; }
.prose .callout-caution   { border-left-color: #fb923c; background: rgba(251,146,60,0.07); }
.prose .callout-caution   .callout-title { color: #fdba74; }

.prose strong { color: var(--text); font-weight: 700; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }

/* Table — wrapped for horizontal scroll on mobile */
.prose .table-wrap {
  margin: 0 0 24px; overflow-x: auto;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: rgba(255,255,255,0.015);
  backdrop-filter: blur(10px);
}
.prose .table-wrap table { width: 100%; border-collapse: collapse; margin: 0; font-size: .94rem; min-width: 520px; }
.prose .table-wrap th,
.prose .table-wrap td { border-bottom: 1px solid var(--border); padding: 12px 16px; text-align: left; vertical-align: top; }
.prose .table-wrap tbody tr:last-child th,
.prose .table-wrap tbody tr:last-child td { border-bottom: 0; }
.prose .table-wrap th { background: rgba(139,92,246,0.10); color: var(--v200); font-weight: 600; letter-spacing: .01em; }
.prose .table-wrap tbody tr { transition: background var(--t-fast); }
.prose .table-wrap tbody tr:hover { background: rgba(139,92,246,0.05); }
.prose .table-wrap tbody td:first-child { color: var(--v100); font-weight: 600; }
.prose .table-wrap tbody td code { font-size: .85em; }
@media (max-width: 640px) {
  .prose .table-wrap table { font-size: .86rem; }
  .prose .table-wrap th, .prose .table-wrap td { padding: 10px 12px; }
}

/* ============= TASKS / QUIZ ============= */
.tasks { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }
.tasks h2 { font-size: 1.45rem; letter-spacing: -.012em; font-weight: 650; margin-bottom: 20px; }
.callout {
  padding: 18px 22px; border: 1px solid var(--v500); border-radius: var(--r-md);
  background: rgba(139,92,246,0.10);
  margin-bottom: 24px; backdrop-filter: blur(10px);
}
.callout a { color: var(--v300); text-decoration: underline; font-weight: 600; }
.callout strong { color: var(--v200); }

.task-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.task {
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 22px 24px; background: var(--bg-elev);
  transition: var(--t-base); backdrop-filter: blur(10px);
}
.task:hover { border-color: var(--border-strong); }
.task.task-done { border-color: var(--v400); background: rgba(139,92,246,0.08); }
.task-head { display: grid; grid-template-columns: 42px 1fr auto; gap: 16px; align-items: start; margin-bottom: 14px; }
.task-num  { font-family: var(--mono); color: var(--v400); font-size: .82rem; padding-top: 2px; font-weight: 600; }
.task-q    { font-weight: 600; color: var(--text); font-size: 1.02rem; }
.task-pts  { font-family: var(--mono); color: var(--v300); font-size: .82rem; padding: 4px 10px; background: rgba(139,92,246,0.12); border-radius: 99px; }

.task-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.task-input {
  font: inherit; padding: 12px 16px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text);
  transition: var(--t-fast);
}
.task-input:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); background: rgba(0,0,0,0.50); }
.choice {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-sm);
  cursor: pointer; grid-column: 1 / 2; transition: var(--t-fast);
  background: var(--bg-elev); color: var(--text);
}
.choice:hover { border-color: var(--v500); background: rgba(139,92,246,0.10); }
.choice:has(input:checked) { border-color: var(--v400); background: rgba(139,92,246,0.18); box-shadow: var(--glow); }
.choice-correct, .choice:has(input:disabled:checked) {
  border-color: #34d399 !important;
  background: rgba(52,211,153,0.12) !important;
  box-shadow: 0 0 0 3px rgba(52,211,153,0.18) !important;
}
.choice-correct span::after { content: ' ✓'; color: #34d399; font-weight: 700; }
.task-input:disabled { color: #6ee7b7; border-color: rgba(52,211,153,0.4); background: rgba(52,211,153,0.06); -webkit-text-fill-color: #6ee7b7; opacity: 1; }
.task-feedback { grid-column: 1 / -1; font-family: var(--mono); font-size: .85rem; margin-top: 4px; }
.task-feedback.ok  { color: var(--v300); }
.task-feedback.err { color: var(--red); }

.hint { margin-top: 10px; font-size: .9rem; color: var(--text-mute); }
.hint summary { cursor: pointer; color: var(--v300); }
.hint summary:hover { color: var(--v200); }

/* ============= AUTH ============= */
.auth-page { min-height: 78vh; display: grid; place-items: center; padding: 80px 0; }
.auth-card {
  width: min(440px, 100%);
  background: rgba(11, 11, 20, 0.65);
  backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xl);
  padding: 42px;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.auth-card::before {
  content: ''; position: absolute; inset: -1px; padding: 1px; border-radius: inherit;
  background: linear-gradient(135deg, var(--v500), var(--fuchsia), var(--indigo));
  -webkit-mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .35; pointer-events: none;
}
.auth-card h1 { font-size: 1.9rem; margin-bottom: 6px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; margin: 28px 0 18px; }
.auth-form label { display: flex; flex-direction: column; gap: 8px; font-size: .88rem; color: var(--text-soft); font-weight: 500; }
.auth-form input {
  font: inherit; padding: 12px 16px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text); transition: var(--t-fast);
}
.auth-form input:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); background: rgba(0,0,0,0.50); }
.alert { padding: 12px 16px; border-radius: var(--r-sm); margin-top: 16px; font-size: .9rem; }
.alert-error { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.30); }

/* ============= STATS ============= */
.stats-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; margin: 32px 0 48px; }
.stat {
  padding: 28px; border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--bg-elev); backdrop-filter: blur(10px);
  transition: var(--t-base);
}
.stat:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.stat-val { font-family: var(--display); font-size: 2.4rem; color: var(--text); font-weight: 800; letter-spacing: -.03em; }
.stat-key { font-family: var(--mono); font-size: .72rem; color: var(--text-mute); letter-spacing: .15em; text-transform: uppercase; margin-top: 4px; }

/* ============= LEADERBOARD ============= */
.lb-table {
  width: 100%; border-collapse: collapse; margin-top: 16px;
  background: var(--bg-elev); border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--border); backdrop-filter: blur(10px);
}
.lb-table th, .lb-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.lb-table th { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-mute); font-weight: 500; background: rgba(255,255,255,0.02); }
.lb-table tr:last-child td { border-bottom: 0; }
.lb-table tr:hover td { background: rgba(139,92,246,0.08); }
.lb-rank { font-family: var(--mono); color: var(--text-mute); width: 60px; }
.lb-pts  { font-family: var(--mono); color: var(--v300); font-weight: 700; }

/* ============= ERROR PAGES ============= */
.error-page { text-align: center; padding: 140px 0; }
.error-page h1 {
  font-size: clamp(5rem, 14vw, 10rem);
  background: linear-gradient(120deg, var(--v500), var(--fuchsia));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: gradShift 6s ease-in-out infinite; background-size: 200% 200%;
}
.error-page p { margin: 12px 0 28px; }
.trace { background: rgba(0,0,0,0.4); padding: 18px; border-radius: var(--r-md); overflow-x: auto; text-align: left; font-size: .82rem; margin: 16px auto; max-width: 760px; border: 1px solid var(--border); }

/* ============= FOOTER ============= */
.site-footer { border-top: 1px solid var(--border); margin-top: 100px; padding: 64px 0 24px; background: linear-gradient(180deg, transparent, rgba(139,92,246,0.05) 90%); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(2, 1fr); gap: 48px; margin-bottom: 40px; }
.footer-grid h4 { margin-bottom: 14px; font-size: .9rem; }
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-grid a  { color: var(--text-soft); font-size: .92rem; }
.footer-grid a:hover { color: var(--v300); }
.brand-block { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 12px; font-family: var(--display); font-weight: 700; font-size: 1.05rem; }
.brand-block .brand-logo { width: 34px; height: 34px; border-radius: 9px; }
.brand-block .brand-name { color: var(--text); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); font-size: .85rem; }

/* ============= LAB ============= */
/* ===== Lab premium kart grid (Bekçi + Profesör + Ege) ===== */
.lab-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 22px;
  margin-top: 28px;
}
.lab-pcard {
  display: flex; flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  text-decoration: none; color: inherit;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast);
  position: relative;
}
.lab-pcard:hover {
  transform: translateY(-6px);
  border-color: var(--v500);
  box-shadow: 0 30px 60px -20px rgba(91,33,182,0.55);
}
.lab-pcard-cover {
  display: block;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: #0a0a14;
  position: relative;
}
.lab-pcard-cover img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transition: transform var(--t-slow);
}
.lab-pcard:hover .lab-pcard-cover img { transform: scale(1.04); }
.lab-pcard-cover::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7,7,13,0.9));
  pointer-events: none;
}
.lab-pcard-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.lab-pcard-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.lab-pcard-name {
  font-family: var(--display); font-weight: 800; font-size: 1.45rem;
  letter-spacing: -.02em; color: var(--text);
  background: linear-gradient(120deg, #ddd6fe, #f5d0fe);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lab-pcard-tagline { font-size: 1rem; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.lab-pcard-blurb  { font-size: .9rem; line-height: 1.55; margin-bottom: 16px; flex: 1; }
.lab-pcard-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.lab-pcard-pill {
  font-family: var(--mono); font-size: .72rem;
  padding: 4px 12px; border-radius: 99px;
  background: rgba(139,92,246,0.14);
  border: 1px solid rgba(196,181,253,0.30);
  color: var(--v200); letter-spacing: .08em; text-transform: uppercase;
}
.lab-pcard-arrow {
  font-family: var(--mono); font-size: .82rem;
  color: var(--v300); transition: transform var(--t-fast);
}
.lab-pcard:hover .lab-pcard-arrow { transform: translateX(4px); color: var(--v200); }

/* Persona-spesifik accent (border/glow) */
/* Yakında (soon) kart — tıklanmaz, kilit ikonu, opaklık */
.lab-pcard-soon {
  --accent: var(--text-mute);
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.4);
  pointer-events: none;
}
.lab-pcard-soon:hover { transform: none; box-shadow: var(--shadow-md); }
.lab-pcard-cover-placeholder {
  background:
    radial-gradient(70% 100% at 50% 50%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 70%),
    linear-gradient(135deg, #14101c, #0a0a14);
  display: grid; place-items: center;
}
.soon-emblem {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--accent);
}
.soon-emblem svg { width: 28px; height: 28px; }
.lab-status.soon {
  color: var(--accent); background: rgba(255,255,255,0.06);
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 99px;
  border: 1px solid var(--border-strong);
}

.lab-pcard-gardiyan:hover { box-shadow: 0 30px 60px -20px rgba(217, 70,239,0.45); border-color: var(--fuchsia); }
.lab-pcard-profesor:hover { box-shadow: 0 30px 60px -20px rgba( 34,197, 94,0.45); border-color: #22c55e; }
.lab-pcard-ege:hover      { box-shadow: 0 30px 60px -20px rgba(250,204, 21,0.50); border-color: #eab308; }
.lab-pcard-profesor .lab-pcard-name { background: linear-gradient(120deg, #bbf7d0, #86efac); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lab-pcard-ege      .lab-pcard-name { background: linear-gradient(120deg, #fde68a, #fbbf24); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

@media (max-width: 600px) {
  .lab-card-grid { grid-template-columns: 1fr; }
}

/* Eski lab-card (artık kullanılmıyor ama emniyet) */
.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 22px; margin-top: 24px; }
.lab-card {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  text-decoration: none; color: inherit;
  transition: var(--t-base);
  position: relative; overflow: hidden;
}
.lab-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(700px circle at 100% 0%, rgba(139,92,246,0.20), transparent 50%);
  opacity: 0; transition: opacity var(--t-base); pointer-events: none;
}
.lab-card:hover { transform: translateY(-4px); border-color: var(--v500); background: var(--bg-elev-2); }
.lab-card:hover::before { opacity: 1; }
.lab-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.lab-card-title { margin: 10px 0 12px; }
.lab-card-foot {
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: .76rem; color: var(--text-mute);
  display: flex; gap: 10px; align-items: center;
}
.lab-card-foot .sep { width: 3px; height: 3px; background: var(--text-mute); border-radius: 50%; }
.lab-status { font-family: var(--mono); font-size: .7rem; color: var(--green); letter-spacing: .12em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 6px; }
.lab-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse 1.6s ease-in-out infinite; }

/* level flow */
.level-flow { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.level-row {
  display: grid; grid-template-columns: 60px 1fr auto;
  align-items: center; gap: 20px;
  padding: 18px 22px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  transition: var(--t-fast);
}
.level-open:hover { border-color: var(--v500); transform: translateY(-2px); }
.level-done { border-color: rgba(34,197,94,0.30); background: linear-gradient(180deg, rgba(34,197,94,0.06), var(--bg-elev) 70%); }
.level-locked { opacity: .55; }
.level-num { font-family: var(--mono); font-size: 1.15rem; color: var(--v300); font-weight: 700; }
.level-title-row { display: flex; align-items: center; gap: 10px; }
.level-title-row h3 { margin: 0; font-size: 1.02rem; }
.level-badge {
  font-family: var(--mono); font-size: .65rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 5px; border: 1px solid var(--border);
}
.level-badge.done   { color: #86efac; background: rgba(34,197,94,0.14); border-color: rgba(34,197,94,0.30); }
.level-badge.locked { color: var(--text-mute); }
.level-badge.open   { color: var(--v300); border-color: rgba(196,181,253,0.30); background: rgba(139,92,246,0.10); }
.level-defense { margin-top: 4px; font-family: var(--mono); font-size: .76rem; color: var(--text-mute); }

@media (max-width: 600px) {
  .level-row { grid-template-columns: 44px 1fr; gap: 12px; }
  .level-action { grid-column: 2; margin-top: 8px; }
}

/* chat layout */
.chat-layout { padding-bottom: 80px; }
.chat-stage { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.chat-main { min-width: 0; display: flex; flex-direction: column; gap: 12px; }
.chat-side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 88px; }

.chat-head {
  display: flex; align-items: center; gap: 14px;
  padding: 22px 24px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md); backdrop-filter: blur(10px);
  flex-wrap: wrap;
}
.chat-head h1 { font-size: 1.4rem; margin: 0; }
.chat-defenses { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.chat-defenses .def {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 8px; color: var(--v300);
  background: rgba(139,92,246,0.12); border: 1px solid rgba(196,181,253,0.25);
  border-radius: 5px;
}

.chat-window {
  min-height: 360px; max-height: 540px; overflow-y: auto;
  padding: 20px; display: flex; flex-direction: column; gap: 14px;
  background: rgba(0,0,0,0.35); border: 1px solid var(--border); border-radius: var(--r-md);
  backdrop-filter: blur(10px);
}
.chat-msg { display: grid; grid-template-columns: 90px 1fr; gap: 12px; align-items: start; }
.chat-msg .who {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  padding-top: 4px;
}
.chat-msg.user .who      { color: var(--red); }
.chat-msg.assistant .who { color: var(--v300); }
.chat-msg.system .who    { color: var(--amber); }
.chat-msg .bubble {
  padding: 12px 16px; border-radius: 10px;
  font-size: .95rem; line-height: 1.5;
  background: var(--bg-elev-2); border: 1px solid var(--border);
}
.chat-msg.user .bubble      { background: rgba(239,68,68,0.10); border-color: rgba(239,68,68,0.25); }
.chat-msg.assistant .bubble { background: rgba(139,92,246,0.10); border-color: rgba(196,181,253,0.25); }
.chat-msg.system .bubble    { background: rgba(245,158,11,0.10); border-color: rgba(251,191,36,0.25); font-family: var(--mono); font-size: .82rem; }
.chat-msg.thinking .bubble {
  font-family: var(--mono); color: var(--text-mute);
}
.chat-msg.thinking .bubble::after {
  content: '...'; animation: dots 1.2s steps(4) infinite;
}
@keyframes dots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75% { content: '...'; } 100% { content: ''; } }

.chat-form {
  display: grid; grid-template-columns: 1fr auto; gap: 10px;
  padding: 14px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md); backdrop-filter: blur(10px);
}
.chat-form textarea {
  font: inherit; padding: 12px 14px; resize: vertical;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text);
}
.chat-form textarea:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); }

.guess-form {
  padding: 18px 20px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md); backdrop-filter: blur(10px);
}
.guess-label { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--v300); margin-bottom: 10px; }
.guess-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.guess-row input {
  font: inherit; font-family: var(--mono); padding: 12px 14px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text); letter-spacing: .05em; text-transform: uppercase;
}
.guess-row input:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); }
.guess-feedback { font-family: var(--mono); font-size: .85rem; margin-top: 10px; min-height: 1.2em; }
.guess-feedback.ok  { color: var(--v300); }
.guess-feedback.err { color: var(--red); }

.level-side { list-style: none; display: flex; flex-direction: column; gap: 4px; padding: 0; margin: 0; }
.level-side li a { display: block; padding: 9px 12px; border-radius: 8px; font-family: var(--mono); font-size: .82rem; color: var(--text-soft); transition: var(--t-fast); }
.level-side li a:hover { background: rgba(139,92,246,0.10); color: var(--v200); }
.level-side li.cur a { background: rgba(139,92,246,0.18); color: var(--text); font-weight: 600; }
.level-side li > span.muted { display: block; padding: 9px 12px; font-family: var(--mono); font-size: .82rem; }

@media (max-width: 960px) {
  .chat-stage { grid-template-columns: 1fr; }
  .chat-side { position: static; }
}

/* ============= PROFILE ============= */
.profile-head {
  display: flex; gap: 28px; align-items: center;
  padding: 60px 0 24px;
}
.profile-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  border: 3px solid var(--border-strong);
  box-shadow: 0 0 0 6px rgba(139,92,246,0.15), 0 14px 32px -8px rgba(139,92,246,0.40);
  object-fit: cover;
  flex-shrink: 0;
}
.profile-initials, .badge-share-initials {
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--v600), var(--fuchsia));
  color: #fff;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -.04em;
  user-select: none;
}
.profile-initials { font-size: 2.6rem; }
.badge-share-initials { font-size: 1rem; }
.profile-meta { min-width: 0; }
.profile-name-row { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.profile-name-row h1 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin: 0; }
.profile-self {
  font-family: var(--mono); font-size: .68rem; color: var(--v300);
  padding: 3px 10px; border: 1px solid var(--border-strong);
  background: rgba(139,92,246,0.12); border-radius: 99px;
  letter-spacing: .12em; text-transform: uppercase;
}
.profile-bio { margin-top: 10px; max-width: 600px; }

.profile-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 16px 0 32px; }

/* badge grid */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.badge-cell {
  --accent: var(--v500);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 22px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  transition: var(--t-base);
}
.badge-cell.earned { border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, transparent), var(--bg-elev) 70%); }
.badge-cell.locked { opacity: 0.45; filter: grayscale(.6); }
.badge-cell:hover { transform: translateY(-3px); }
.badge-cell-icon {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--fuchsia));
  color: #fff; margin-bottom: 10px;
  box-shadow: 0 6px 16px -4px color-mix(in srgb, var(--accent) 50%, transparent);
}
.badge-cell.locked .badge-cell-icon { background: var(--bg-elev-2); color: var(--text-mute); box-shadow: none; }
.badge-cell-icon svg { width: 26px; height: 26px; }
.badge-cell-icon-img { width: 92px; height: 92px; background: transparent !important; box-shadow: none !important; padding: 0 !important; }
.badge-cell-icon-img img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 0 16px rgba(167,139,250,0.4)); }
.badge-cell.locked .badge-cell-icon-img img { filter: drop-shadow(0 0 16px rgba(167,139,250,0.4)) grayscale(.6) brightness(.7); }
.badge-cell-name { font-weight: 700; font-size: .92rem; color: var(--text); margin-bottom: 4px; }
.badge-cell-desc { font-family: var(--mono); font-size: .68rem; color: var(--text-mute); line-height: 1.45; }

/* ===== Akademi Sertifikası ===== */
.cert-banner {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px; margin: 12px 0 20px;
  background: linear-gradient(135deg, rgba(251,191,36,0.10), rgba(217,70,239,0.10));
  border: 1px solid rgba(251,191,36,0.35);
  border-radius: var(--r-lg);
  color: inherit; text-decoration: none;
  transition: var(--t-fast);
}
.cert-banner:hover { transform: translateY(-2px); border-color: #fde68a; box-shadow: 0 14px 40px -14px rgba(251,191,36,0.45); }
.cert-banner-seal { flex: 0 0 60px; }
.cert-banner-seal svg { width: 60px; height: 60px; filter: drop-shadow(0 4px 12px rgba(251,191,36,0.45)); }
.cert-banner-kicker { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; color: #fde68a; margin-bottom: 4px; }
.cert-banner-title { font-family: var(--display); font-size: 1.2rem; font-weight: 700; color: var(--text); }
.cert-banner-sub { font-size: .85rem; color: var(--text-soft); margin-top: 3px; }

.certificate-page { padding-bottom: 60px; }

/* ==== Klasik akademik sertifika (krem parşömen + lacivert + altın foil) ==== */
.cert-card {
  position: relative;
  /* A4 yatay standart sertifika boyutu: 297 × 210 mm = 1.414:1 */
  width: min(100%, 1050px);
  aspect-ratio: 297 / 210;
  margin: 24px auto;
  padding: 48px 80px 36px;
  background:
    radial-gradient(120% 80% at 50% 50%, transparent 50%, rgba(160, 122, 31, 0.06) 90%),
    linear-gradient(135deg, #faf5e6 0%, #f5ecd2 50%, #ede0bb 100%);
  border: none;
  border-radius: 2px;
  text-align: center;
  box-shadow: 0 30px 90px -30px rgba(0, 0, 0, 0.45), 0 8px 20px rgba(0, 0, 0, 0.20);
  color: #1a2547;
  overflow: hidden;
}
/* Çift altın çerçeve (SVG, kart sınırı boyunca) */
.cert-border { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }

/* Klasik akantus yaprağı köşe ornament'ları (iç çizgiye yapışık köşe-kapak) */
.cert-orn { position: absolute; width: 70px; height: 70px; pointer-events: none; z-index: 2; }
.cert-orn-tl { top: 14px; left: 14px; }
.cert-orn-tr { top: 14px; right: 14px; }
.cert-orn-bl { bottom: 14px; left: 14px; }
.cert-orn-br { bottom: 14px; right: 14px; }

/* Tüm içerik z-index 3 */
.cert-card > *:not(.cert-border):not(.cert-orn) { position: relative; z-index: 3; }

/* Üst logo */
.cert-mono {
  width: 58px; height: 68px;
  margin: 0 auto 6px;
  display: flex; align-items: center; justify-content: center;
}
.cert-mono img, .cert-mono svg { width: 100%; height: 100%; object-fit: contain; }

/* Brand */
.cert-brand-row {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: .95rem; font-weight: 600; letter-spacing: .26em;
  text-transform: uppercase; color: #a07a1f;
  margin-bottom: 2px;
}
.cert-tagline {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic;
  font-size: .76rem; color: rgba(26,37,71,0.6);
  margin-bottom: 12px;
}

/* Klasik başlık */
.cert-h1 {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-weight: 500; font-style: normal;
  font-size: clamp(1.9rem, 4vw, 2.4rem); line-height: 1.05;
  color: #1a2547; letter-spacing: .04em;
  margin: 0 0 4px;
}
.cert-h1-sub {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic;
  font-size: .9rem; color: #a07a1f;
  margin-bottom: 14px; letter-spacing: .12em;
}

/* İsim bölümü */
.cert-confer {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic;
  font-size: .88rem; color: rgba(26,37,71,0.65);
  margin: 0 0 6px; letter-spacing: .03em;
}
.cert-name {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-weight: 700; font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1;
  color: #0e1a3a;
  letter-spacing: -.015em; margin: 0 auto 2px;
  max-width: 760px;
}
.cert-name-rule {
  width: 240px; height: 1px;
  background: linear-gradient(90deg, transparent, #a07a1f, transparent);
  margin: 10px auto 14px;
}

/* Beyan metni */
.cert-body {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: .92rem; line-height: 1.55;
  color: rgba(26, 37, 71, 0.85);
  max-width: 700px; margin: 0 auto 10px;
}
.cert-body em { font-style: italic; color: #a07a1f; font-weight: 600; }
.cert-body strong { color: #0e1a3a; font-weight: 700; }

/* Kazanım Tarihi */
.cert-issue {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 2px;
  margin: 0 auto 14px;
  padding: 0 18px;
}
.cert-issue-k {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: #a07a1f;
}
.cert-issue-v {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600; font-size: 1.05rem; color: #0e1a3a;
  letter-spacing: .02em;
  line-height: 1.1;
  font-feature-settings: "lnum" 1, "tnum" 1;  /* lining numerals — sayılar baseline'a otursun */
}

/* Footer: marka + meta (mühür kaldırıldı) */
.cert-foot {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; align-items: end;
  margin-top: 6px;
}
.cert-foot-2col { grid-template-columns: 1fr 1fr; }
.cert-foot-col { display: flex; flex-direction: column; align-items: center; }
.cert-foot-sig { text-align: center; }
.cert-foot-brand {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 700; font-size: 1.7rem; color: #0e1a3a; line-height: 1;
  letter-spacing: .02em; margin-bottom: 4px;
}
.cert-foot-rule { width: 220px; max-width: 100%; height: 1px; background: #0e1a3a; opacity: .4; margin: 3px 0 4px; }
.cert-foot-title { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 700; font-size: .85rem; color: #0e1a3a; }
.cert-foot-sub { font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic; font-size: .72rem; color: rgba(26,37,71,0.65); margin-top: 1px; }

.cert-foot-seal { padding: 0 4px; }
.cert-foot-seal svg { width: 88px; height: 88px; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.20)); }

.cert-foot-meta { gap: 6px; text-align: left; min-width: 0; }
.cert-meta-row { display: flex; flex-direction: column; gap: 1px; width: 100%; }
.cert-meta-k {
  font-family: 'Cormorant Garamond', Georgia, serif; font-style: italic;
  font-size: .66rem; color: rgba(26,37,71,0.55); letter-spacing: .03em;
}
.cert-meta-v {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: .76rem; color: #0e1a3a; font-weight: 600;
  line-height: 1.15;
  font-feature-settings: "lnum" 1, "tnum" 1;  /* lining + tabular */
}
.cert-verify { word-break: break-all; font-size: .66rem; color: rgba(26,37,71,0.78); }

/* Aksiyon butonları (yazdır + paylaş) */
.cert-actions {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 28px;
}

@media (max-width: 760px) {
  .cert-card {
    aspect-ratio: auto;
    padding: 48px 24px 36px;
    overflow: visible;
  }
  .cert-orn { width: 60px; height: 60px; }
  .cert-orn-tl, .cert-orn-tr { top: 22px; }
  .cert-orn-bl, .cert-orn-br { bottom: 22px; }
  .cert-orn-tl, .cert-orn-bl { left: 22px; }
  .cert-orn-tr, .cert-orn-br { right: 22px; }
  .cert-foot {
    grid-template-columns: 1fr;
    gap: 24px; justify-items: center;
  }
  .cert-foot-meta { text-align: center; align-items: center; }
  .cert-meta-row { align-items: center; }
}

/* ==== Print: A4 yatay, klasik kağıt görünümü ==== */
@media print {
  @page { size: A4 landscape; margin: 8mm; }
  body { background: #ffffff !important; }
  .site-header, .breadcrumb, footer, .cert-actions { display: none !important; }
  .cert-card {
    aspect-ratio: auto;
    background: #faf5e6 !important;
    box-shadow: none !important;
    border: none !important;
    max-width: 100%; margin: 0;
    padding: 50px 80px 40px;
    page-break-inside: avoid;
  }
}

/* ===== Profil sekmeleri (TryHackMe stili tab nav) ===== */
.profile-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin: 28px 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.profile-tab {
  background: transparent; border: 0;
  padding: 12px 20px; margin-bottom: -1px;
  font-family: var(--display); font-weight: 600; font-size: .98rem;
  color: var(--text-mute); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
  display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.profile-tab:hover { color: var(--text-soft); }
.profile-tab.active {
  color: var(--v200);
  border-bottom-color: var(--v400);
}
.profile-tab-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; padding: 0 7px;
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  background: rgba(167,139,250,0.15); color: var(--v200);
  border: 1px solid rgba(167,139,250,0.30); border-radius: 999px;
}
.profile-tab.active .profile-tab-badge { background: rgba(167,139,250,0.30); }
.profile-tab-panel { display: none; padding-top: 8px; }
.profile-tab-panel.active { display: block; }

/* ===== Yetkinlik (Capability) skoru — radar + bar list ===== */
.capability-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
}
.capability-radar { width: 100%; max-width: 480px; margin: 0 auto; }
.capability-radar svg { width: 100%; height: auto; overflow: visible; }
.capability-radar text { paint-order: stroke fill; stroke: rgba(7,7,13,0.85); stroke-width: 3px; stroke-linejoin: round; }
.capability-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.capability-row {
  padding: 12px 14px;
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.capability-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.capability-head .capability-name { flex: 1 1 auto; min-width: 120px; }
.cap-tier {
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px;
  color: var(--tier, var(--v300));
  background: color-mix(in srgb, var(--tier, var(--v500)) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--tier, var(--v500)) 35%, transparent);
  white-space: nowrap;
}
.capability-name { font-family: var(--display); font-weight: 700; font-size: 1rem; }
.capability-score { font-family: var(--mono); font-weight: 700; color: var(--text); font-size: 1.15rem; }
.capability-score .muted { font-size: .8rem; font-weight: 500; margin-left: 2px; }
.capability-bar {
  height: 8px; border-radius: 4px;
  background: rgba(255,255,255,0.05);
  overflow: hidden;
}
.capability-bar-fill {
  height: 100%; width: var(--w, 0%);
  background: linear-gradient(90deg, color-mix(in srgb, var(--color) 60%, transparent), var(--color));
  border-radius: 4px;
  transition: width .6s cubic-bezier(.16,1,.3,1);
}
.capability-meta { font-family: var(--mono); font-size: .72rem; margin-top: 6px; }
@media (max-width: 880px) {
  .capability-wrap { grid-template-columns: 1fr; }
  .capability-radar { max-width: 320px; }
}

/* ===== Modül rozet koleksiyon grid'i — Cisco / TryHackMe stili (büyük rozet, minimal yazı) ===== */
.module-badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.mbadge {
  position: relative;
  padding: 18px 10px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  text-align: center;
  transition: transform .3s cubic-bezier(.16,1,.3,1), background .3s, border-color .3s;
  cursor: default;
}
.mbadge:hover { background: rgba(255,255,255,0.025); }
.mbadge-img-wrap {
  position: relative;
  width: 260px; height: 260px;
  max-width: 100%;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
}
.mbadge-img-wrap img {
  width: 100%; height: 100%; object-fit: contain;
  transition: filter .4s, transform .4s cubic-bezier(.16,1,.3,1);
}

/* Kazanılan — sade, sadece rozet + isim. Arka glow yok (kullanıcı isteği). */
.mbadge-earned .mbadge-img-wrap img { filter: none; }
.mbadge-earned:hover { transform: translateY(-4px); }
.mbadge-earned:hover .mbadge-img-wrap img { transform: scale(1.05); }

/* Kilitli — desaturated + dim + büyük kilit overlay */
.mbadge-locked { opacity: .9; }
.mbadge-locked .mbadge-img-wrap img {
  filter: grayscale(.95) brightness(.4) contrast(.85);
}
.mbadge-locked:hover .mbadge-img-wrap img {
  filter: grayscale(.8) brightness(.55);
  transform: scale(1.03);
}
.mbadge-lock-icon {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  text-shadow: 0 4px 16px rgba(0,0,0,0.85);
  opacity: .75;
  pointer-events: none;
}
.mbadge-locked .mbadge-name { color: var(--text-mute); }

.mbadge-fallback {
  background: rgba(167,139,250,0.10);
  border: 2px solid color-mix(in srgb, var(--accent) 60%, transparent);
  border-radius: 50%;
  color: var(--accent);
}
.mbadge-fallback svg { width: 80px; height: 80px; }

.mbadge-name {
  font-family: var(--display); font-weight: 600;
  font-size: 1.05rem; line-height: 1.3; letter-spacing: .002em;
  margin: 16px 0 0; padding: 4px 14px;
  display: inline-block;
  position: relative; z-index: 1;
  color: #f8f7ff;
}
/* Kazanılan — site mor temasıyla uyumlu lavender-glow */
.mbadge-earned .mbadge-name {
  color: #f0ecff;
  font-weight: 600;
  letter-spacing: -.005em;
  text-shadow: 0 0 14px rgba(167,139,250,0.40), 0 1px 2px rgba(0,0,0,0.30);
}
/* Locked — soluk gri */
.mbadge-locked .mbadge-name {
  color: rgba(228,228,240,0.40);
  font-weight: 500;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
/* Açıklama metni saklı — hover'da hafif görünür ya da tamamen kaldırıldı (Cisco stili) */
.mbadge-desc { display: none; }

@media (max-width: 720px) {
  .module-badge-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
  .mbadge-img-wrap { width: 200px; height: 200px; }
}

/* ===== Badge kazanım overlay'i (oda tamamlandığında) ===== */
.badge-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(7, 7, 13, 0.85); backdrop-filter: blur(14px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  opacity: 0; transition: opacity .3s ease;
  overflow-y: auto;  /* Card viewport'tan büyükse overlay scroll yapar */
  -webkit-overflow-scrolling: touch;
}
.badge-overlay.show { opacity: 1; }
.badge-overlay-card {
  background: linear-gradient(180deg, rgba(167,139,250,0.10), var(--bg-elev) 70%);
  border: 1px solid var(--v500); border-radius: var(--r-xl);
  padding: 36px 32px 28px;
  max-width: 540px; width: 100%;
  margin: auto;  /* Dikey ortalama, overlay scrollable */
  text-align: center;
  box-shadow: 0 32px 80px -20px rgba(91, 33, 182, 0.65), 0 0 0 1px rgba(167,139,250,0.20);
  transform: scale(.85); transition: transform .4s cubic-bezier(.16,1,.3,1);
  position: relative;
  /* overflow: hidden kaldırıldı — uzun içerik altı kesiyordu */
}
.badge-overlay.show .badge-overlay-card { transform: scale(1); }
/* Arka glow tamamen kaldırıldı (kullanıcı isteği — sadece rozet) */
.badge-overlay-card > * { position: relative; z-index: 1; }
.badge-overlay-kicker {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .15em;
  color: var(--v300); margin-bottom: 18px;
}
.badge-overlay-img {
  width: 340px; height: 340px;
  max-width: 100%;
  object-fit: contain;
  filter: none;
  animation: badge-pop .6s cubic-bezier(.16,1.3,.5,1);
  margin: 0 auto;
  display: block;
}
/* Tilt wrapper — mouse hareketine duyarlı 3D çevirme (daha güçlü açı) */
.badge-tilt-wrap {
  width: 340px; height: 340px; max-width: 100%;
  margin: 0 auto 14px;
  perspective: 1100px;
  cursor: grab;
  position: relative;
}
/* Tilt wrapper'ın arka glow halkası kaldırıldı — overlay-card::before zaten sade radial glow veriyor. */
.badge-tilt-img {
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform .35s cubic-bezier(.16,1,.3,1);
  will-change: transform;
}
.badge-overlay-card-share .badge-overlay-img { width: 100%; height: 100%; }
@media (max-width: 520px) {
  .badge-overlay-img, .badge-tilt-wrap { width: 260px; height: 260px; }
}
@keyframes badge-pop {
  0% { transform: scale(.3) rotate(-12deg); opacity: 0; }
  60% { transform: scale(1.1) rotate(4deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
.badge-overlay-fallback {
  width: 140px; height: 140px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: var(--accent);
  margin: 0 auto 12px;
}
.badge-overlay-name {
  font-family: var(--display); font-size: 1.6rem; font-weight: 700;
  margin: 0 0 10px;
  color: #f0ecff;
  letter-spacing: -.01em;
  text-shadow: 0 0 20px rgba(167,139,250,0.45), 0 2px 4px rgba(0,0,0,0.4);
}
.badge-overlay-desc { color: var(--text-soft); font-size: .96rem; line-height: 1.55; margin: 0 0 22px; }
.badge-overlay-close { min-width: 140px; }

/* Kapatma X (sağ üst köşede) */
.badge-overlay-x {
  position: absolute; top: 12px; right: 14px; z-index: 5;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.35);
  color: var(--text-soft); font-size: 1.5rem; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--t-fast);
}
.badge-overlay-x:hover { background: rgba(217,70,239,0.18); color: var(--text); border-color: var(--v500); transform: rotate(90deg); }

/* Sosyal medya paylaşım grid'i (6+1 ikon) */
.share-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 8px;
  margin: 8px 0 4px;
}
.share-icon {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px 6px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: .72rem; font-weight: 600;
  cursor: pointer;
  transition: var(--t-fast);
  text-decoration: none !important;
}
.share-icon svg { width: 24px; height: 24px; transition: transform .2s; }
.share-icon:hover { transform: translateY(-3px); color: var(--text); }
.share-icon:hover svg { transform: scale(1.15); }
.share-icon span { line-height: 1; }

/* Brand renkleri (hover'da) */
.share-linkedin:hover  { background: rgba(10,102,194,0.18);   border-color: #0a66c2; color: #4ea2f5; }
.share-whatsapp:hover  { background: rgba(37,211,102,0.18);   border-color: #25d366; color: #5af09f; }
.share-telegram:hover  { background: rgba(38,158,217,0.18);   border-color: #269ed9; color: #6ec5ec; }
.share-facebook:hover  { background: rgba(24,119,242,0.18);   border-color: #1877f2; color: #5fa3ff; }
.share-x:hover         { background: rgba(255,255,255,0.10);  border-color: #fff; color: #fff; }
.share-instagram:hover { background: linear-gradient(135deg, rgba(247,119,55,0.20), rgba(220,39,67,0.20), rgba(188,24,136,0.20)); border-color: #dc2743; color: #f48fb1; }
.share-copy:hover      { background: rgba(167,139,250,0.18);  border-color: var(--v400); color: var(--v200); }
.share-download:hover  { background: rgba(52,211,153,0.18);   border-color: #34d399; color: #6ee7b7; }

/* Paylaşım butonları (overlay + share sayfası) */
.badge-share-actions {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-start;
  margin-top: 20px;
}
.badge-share-actions .btn { white-space: nowrap; }

/* Rozet paylaşım sayfası (/u/X/rozet/Y) */
.badge-share-card {
  display: grid; grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 40px; align-items: center;
  padding: 36px;
  background: linear-gradient(180deg, rgba(167,139,250,0.10), var(--bg-elev) 70%);
  border: 1px solid var(--v500); border-radius: var(--r-xl);
  margin: 32px 0;
  box-shadow: 0 32px 80px -20px rgba(91, 33, 182, 0.45);
}
.badge-share-img-wrap {
  width: 260px; max-width: 100%; aspect-ratio: 1;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.badge-share-img-wrap::before {
  content: ''; position: absolute; inset: -10%;
  background: radial-gradient(closest-side, rgba(167,139,250,0.35), transparent 70%);
  filter: blur(18px); z-index: 0;
  animation: mbadge-pulse 3.5s ease-in-out infinite;
}
.badge-share-img-wrap img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 12px 32px rgba(167,139,250,0.6))
          drop-shadow(0 0 22px rgba(217,70,239,0.45));
  position: relative; z-index: 1;
}
.badge-share-name {
  font-family: var(--display); font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 4px 0 12px;
  color: #f0ecff;
  letter-spacing: -.01em;
  text-shadow: 0 0 24px rgba(167,139,250,0.5), 0 2px 6px rgba(0,0,0,0.4);
}
.badge-share-desc { color: var(--text-soft); font-size: 1.02rem; line-height: 1.6; margin-bottom: 18px; }
.badge-share-owner {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; margin: 8px 0 4px;
  background: rgba(255,255,255,0.025); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.badge-share-avatar { width: 40px; height: 40px; border-radius: 50%; }
.badge-share-owner-name a { color: var(--v200); font-weight: 700; }

@media (max-width: 720px) {
  .badge-share-card { grid-template-columns: 1fr; padding: 24px; gap: 20px; }
  .badge-share-img-wrap { width: 200px; }
}

/* recent items */
.recent-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.recent-link {
  display: block; padding: 14px 18px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md); transition: var(--t-fast);
  text-decoration: none; color: inherit;
  backdrop-filter: blur(10px);
}
.recent-link:hover { border-color: var(--v500); background: var(--bg-elev-2); }
.recent-title { font-weight: 600; color: var(--text); margin-bottom: 4px; }
.recent-meta { display: flex; justify-content: space-between; gap: 12px; font-size: .85rem; color: var(--text-mute); }
.recent-date { font-family: var(--mono); flex-shrink: 0; }

@media (max-width: 640px) {
  .profile-head { flex-direction: column; gap: 16px; text-align: center; padding-top: 40px; }
  .profile-name-row { justify-content: center; }
  .badge-cell { padding: 16px 12px; }
  .badge-cell-icon { width: 46px; height: 46px; }
  .badge-cell-icon svg { width: 22px; height: 22px; }
}

/* ============= MODULE PROGRESS BAR ============= */
.module-progress-bar {
  position: relative;
  margin: 16px 0 28px;
  height: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.module-progress-fill {
  position: absolute; inset: 0;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--v500), var(--fuchsia));
  box-shadow: 0 0 12px rgba(139,92,246,0.55);
  border-radius: 999px;
  transition: width .8s var(--t-slow);
}
.module-progress-text {
  position: absolute; left: 0; right: 0; top: 18px;
  display: flex; gap: 8px; justify-content: flex-end; align-items: center;
  font-family: var(--mono); font-size: .76rem; color: var(--text-mute);
}

/* ============= ROOM TRACK (Modül içi premium oda akışı) ============= */
.room-track {
  list-style: none;
  display: flex; flex-direction: column;
  gap: 4px;
  margin: 32px 0 0;
  padding: 0;
}
.room-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  position: relative;
}
.room-row-rail {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 18px;
}
.room-row-node {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; font-size: 1.05rem;
  color: #fff;
  background: linear-gradient(135deg, #2a2434, #1a1422);
  border: 1px solid var(--border-strong);
  position: relative;
  z-index: 2;
  box-shadow: 0 6px 16px -6px rgba(0,0,0,0.4);
  transition: transform var(--t-base), background var(--t-base), border-color var(--t-fast), box-shadow var(--t-base);
}
.room-row-todo .room-row-node {
  background: linear-gradient(135deg, #1f1828, #14101c);
  color: var(--v300);
}
.room-row-started .room-row-node {
  background: linear-gradient(135deg, var(--v600), var(--v500));
  border-color: var(--v400);
  box-shadow: 0 0 0 4px rgba(139,92,246,0.20), 0 6px 16px -6px rgba(139,92,246,0.5);
}
.room-row-done .room-row-node {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border-color: #4ade80;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.22), 0 6px 16px -6px rgba(34,197,94,0.5);
}
.room-row:hover .room-row-node { transform: scale(1.06); }

.room-row-line {
  width: 2px;
  flex: 1;
  min-height: 22px;
  background: repeating-linear-gradient(to bottom, var(--border-strong) 0 5px, transparent 5px 10px);
}
.room-row-done .room-row-line {
  background: linear-gradient(to bottom, #22c55e, var(--v500));
  opacity: .6;
}

.room-row-card {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 26px;
  text-decoration: none; color: inherit;
  backdrop-filter: blur(12px);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-fast), background var(--t-fast);
  position: relative; overflow: hidden;
}
.room-row-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(800px circle at 0% 0%, rgba(139,92,246,0.18), transparent 60%);
  opacity: 0; transition: opacity var(--t-base); pointer-events: none;
}
.room-row:hover .room-row-card {
  transform: translateX(4px);
  border-color: var(--v500);
  background: var(--bg-elev-2);
  box-shadow: 0 18px 40px -16px rgba(91,33,182,0.45);
}
.room-row:hover .room-row-card::before { opacity: 1; }
.room-row-done .room-row-card { border-color: rgba(34,197,94,0.30); background: linear-gradient(180deg, rgba(34,197,94,0.05), var(--bg-elev) 65%); }
.room-row-started .room-row-card { border-color: var(--v500); }

.room-row-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.room-row-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.room-row-eyebrow { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute); }
.room-row-status { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; padding: 3px 9px; border-radius: 5px; }
.room-row-status.started { color: var(--v200); background: rgba(139,92,246,0.18); border: 1px solid rgba(196,181,253,0.30); }
.room-row-points {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: .82rem; color: var(--v300);
  padding: 4px 12px;
  background: rgba(139,92,246,0.10); border: 1px solid var(--border-strong); border-radius: 99px;
}
.room-row-title { margin: 4px 0 6px; font-size: 1.18rem; }
.room-row-summary { font-size: .95rem; line-height: 1.55; }
.room-row-cta { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }
.room-row-go {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .08em;
  color: var(--v300);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap var(--t-fast);
}
.room-row-go .arrow { transition: transform var(--t-fast); }
.room-row:hover .room-row-go { gap: 10px; }
.room-row:hover .room-row-go .arrow { transform: translateX(3px); }
.room-row-done .room-row-go { color: #6ee7b7; }

@media (max-width: 640px) {
  .room-row { grid-template-columns: 44px 1fr; gap: 12px; }
  .room-row-node { width: 36px; height: 36px; font-size: .92rem; }
  .room-row-card { padding: 18px 18px; }
  .room-row-title { font-size: 1.05rem; }
}

/* ============= ARTICLE LIST + FEATURE ============= */
.author-pill {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  margin: 12px 0 32px;
  backdrop-filter: blur(10px);
}
.author-pill-avatar { width: 56px; height: 56px; border-radius: 12px; flex-shrink: 0; box-shadow: 0 4px 14px -4px rgba(239,68,68,0.40); }
.author-pill-name { font-family: var(--display); font-weight: 700; font-size: 1.05rem; }
.author-pill-job { font-size: .85rem; color: var(--text-mute); margin-top: 2px; }
.author-pill-links { display: flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: .8rem; margin-top: 6px; }
.author-pill-links a { color: var(--v300); }
.author-pill-links .sep { color: var(--text-mute); }

.article-flow { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.article-row { position: relative; }
.article-link {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 26px 28px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-decoration: none; color: inherit;
  backdrop-filter: blur(10px);
  transition: var(--t-base);
}
.article-link:hover {
  transform: translateY(-3px);
  border-color: var(--v500);
  background: var(--bg-elev-2);
  box-shadow: 0 18px 40px -16px rgba(91,33,182,0.45);
}
.article-num { font-family: var(--display); font-size: 1.6rem; font-weight: 800; color: var(--v400); letter-spacing: -.02em; }
.article-meta-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-family: var(--mono); font-size: .72rem; color: var(--text-mute); margin-bottom: 6px; }
.article-cat {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--v300);
  padding: 3px 10px;
  border-radius: 5px;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(196,181,253,0.25);
}
.article-date, .article-read { color: var(--text-mute); }
.article-title { margin: 6px 0 8px; font-size: 1.18rem; line-height: 1.3; }
.article-summary { font-size: .95rem; color: var(--text-soft); }
.article-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.article-tags .tag {
  font-family: var(--mono); font-size: .68rem;
  color: var(--text-mute);
  padding: 3px 9px;
  border-radius: 5px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.article-arrow { font-family: var(--mono); font-size: 1.3rem; color: var(--v400); transition: transform var(--t-fast); }
.article-link:hover .article-arrow { transform: translateX(4px); }

.article-shell { padding-bottom: 80px; }
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px;
  align-items: start;
  margin-top: 24px;
}
@media (max-width: 1020px) { .article-grid { grid-template-columns: 1fr; gap: 24px; } .article-toc { display: none; } }

.article-layout { padding-bottom: 80px; }
.article-main { max-width: 820px; margin: 0 auto; }

/* Reading progress bar */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  z-index: 90;
  background: transparent;
  pointer-events: none;
}
.read-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--v500), var(--fuchsia));
  box-shadow: 0 0 12px rgba(139,92,246,0.55);
  transition: width .12s linear;
}

/* TOC */
.article-toc { position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; }
.article-toc-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  backdrop-filter: blur(10px);
}
.article-toc-title { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 12px; }
.article-toc-list { list-style: none; display: flex; flex-direction: column; gap: 4px; padding: 0; margin: 0; }
.article-toc-list a {
  display: block;
  padding: 6px 10px; border-radius: 6px;
  color: var(--text-soft);
  font-size: .86rem; line-height: 1.4;
  border-left: 2px solid transparent;
  transition: var(--t-fast);
}
.article-toc-l3 a { padding-left: 22px; font-size: .82rem; }
.article-toc-list a:hover { color: var(--v200); background: rgba(139,92,246,0.06); }
.article-toc-list a.active { color: var(--v200); border-left-color: var(--v500); background: rgba(139,92,246,0.10); }

/* Article CTA (related path/lab) */
.article-cta {
  margin: 48px 0;
  padding: 28px;
  background: linear-gradient(135deg, rgba(139,92,246,0.10), rgba(217,70,239,0.06));
  border: 1px solid var(--v500);
  border-radius: var(--r-md);
  backdrop-filter: blur(12px);
}
.article-cta-head { margin-bottom: 20px; }
.article-cta-head h3 { font-size: 1.2rem; margin-top: 10px; }
.article-cta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.article-cta-card {
  display: block; padding: 18px 20px;
  background: rgba(0,0,0,0.30);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  text-decoration: none; color: inherit;
  transition: var(--t-fast);
}
.article-cta-card:hover { transform: translateY(-3px); border-color: var(--v400); }
.article-cta-tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--v300); margin-bottom: 6px; }
.article-cta-title { font-weight: 700; margin-bottom: 4px; color: var(--text); }
.article-cta-sub { font-size: .88rem; }
.article-head { padding: 32px 0 24px; }
.article-head h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 16px; }
.article-head .lead { font-size: 1.1rem; color: var(--text-soft); margin-bottom: 24px; }
.article-head-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-family: var(--mono); font-size: .76rem; color: var(--text-mute); margin-bottom: 14px; }
.article-author-row {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin: 16px 0;
  flex-wrap: wrap;
}
.article-author-avatar { width: 44px; height: 44px; border-radius: 10px; }
.article-author-name { font-weight: 700; color: var(--text); }
.article-author-actions { margin-left: auto; display: flex; gap: 8px; }

.article-foot {
  margin-top: 56px; padding: 28px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
}
.article-foot h3 { font-size: 1.1rem; margin-bottom: 12px; }
.article-share { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }

.article-related {
  margin-top: 32px; padding: 24px 28px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.article-related h3 { font-size: 1rem; margin-bottom: 12px; }
.article-related ul { list-style: none; display: flex; flex-direction: column; gap: 8px; padding: 0; }
.article-related a { color: var(--v300); }

.article-feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.article-feature {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px 24px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
  text-decoration: none; color: inherit;
  backdrop-filter: blur(10px);
  transition: var(--t-base);
  position: relative; overflow: hidden;
}
.article-feature::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(500px circle at 0% 0%, rgba(139,92,246,0.16), transparent 60%);
  opacity: 0; transition: opacity var(--t-base); pointer-events: none;
}
.article-feature:hover { transform: translateY(-3px); border-color: var(--v500); background: var(--bg-elev-2); }
.article-feature:hover::before { opacity: 1; }
.article-feature-cat {
  align-self: flex-start;
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--v300); padding: 3px 10px; border-radius: 5px;
  background: rgba(139,92,246,0.12); border: 1px solid rgba(196,181,253,0.25);
}
.article-feature h3 { font-size: 1.05rem; line-height: 1.35; margin: 4px 0 2px; }
.article-feature .muted { font-size: .9rem; flex-grow: 1; }
.article-feature-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); font-family: var(--mono); font-size: .72rem; color: var(--text-mute); }
.article-feature-arrow { color: var(--v300); }

@media (max-width: 640px) {
  .article-link { grid-template-columns: 1fr; gap: 12px; padding: 22px 20px; }
  .article-num { font-size: 1.2rem; }
  .article-arrow { display: none; }
}

/* ============= INVITE ============= */
.invite-card {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 28px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(139,92,246,0.10), rgba(217,70,239,0.06));
  border: 1px solid var(--v500); border-radius: var(--r-xl);
  backdrop-filter: blur(12px);
  margin: 16px 0 28px;
}
.invite-code-box, .invite-link-box { display: flex; flex-direction: column; gap: 10px; }
.invite-code-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--v300); }
.invite-code {
  font-family: var(--mono); font-size: 2rem; font-weight: 700;
  letter-spacing: .15em; color: var(--text);
  padding: 16px 20px;
  background: rgba(0,0,0,0.40);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  text-align: center;
}
.invite-link {
  font-family: var(--mono); font-size: .9rem;
  padding: 12px 16px;
  background: rgba(0,0,0,0.40);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--v200);
  word-break: break-all;
}
.invite-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.invite-stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 16px 0 32px; }
.invite-list { list-style: none; display: flex; flex-direction: column; gap: 8px; padding: 0; }
.invite-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
  text-decoration: none; color: inherit;
}
.invite-row:hover { border-color: var(--v500); transform: translateY(-1px); }

@media (max-width: 720px) {
  .invite-card { grid-template-columns: 1fr; }
}

/* ============= SETTINGS ============= */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 760px;
  margin: 24px auto 80px;
}
.settings-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  backdrop-filter: blur(12px);
}
.settings-card > header { margin-bottom: 18px; }
.settings-card > header h2 { font-size: 1.2rem; margin: 0 0 4px; }
.settings-card > header p { font-size: .9rem; margin: 0; }

.settings-form { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.settings-form label { display: flex; flex-direction: column; gap: 8px; font-size: .88rem; color: var(--text-soft); font-weight: 500; }
.settings-form input,
.settings-form textarea {
  font: inherit; padding: 12px 16px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text); transition: var(--t-fast);
  resize: vertical;
}
.settings-form input:focus,
.settings-form textarea:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); background: rgba(0,0,0,0.50); }
.form-row-meta {
  display: flex; gap: 14px; justify-content: space-between; align-items: center;
  flex-wrap: wrap; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--border);
  font-size: .85rem;
}

.alert-ok    { background: rgba(34,197,94,0.10); color: #86efac; border: 1px solid rgba(34,197,94,0.30); }
.alert-error { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.30); }

.settings-toggle {
  display: inline-flex !important; flex-direction: row !important; align-items: center !important;
  gap: 12px; cursor: pointer; padding: 12px 14px;
  background: rgba(0,0,0,0.20); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
}
.settings-toggle input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0;
  accent-color: var(--v500);
}
.settings-toggle span { color: var(--text); font-size: .92rem; }

.settings-danger { border-color: rgba(239,68,68,0.35); }
.settings-danger > header h2 { color: #fca5a5; }
.settings-danger-open > summary {
  cursor: pointer; padding: 12px 14px; border-radius: var(--r-sm);
  background: rgba(239,68,68,0.10); border: 1px solid rgba(239,68,68,0.30);
  color: #fca5a5; font-weight: 600;
  list-style: none;
}
.settings-danger-open > summary::-webkit-details-marker { display: none; }
.settings-danger-open > summary::before { content: '⚠ '; }
.settings-danger-open[open] > summary { background: rgba(239,68,68,0.18); }

.btn-danger {
  color: #fff; border: 0;
  background: linear-gradient(120deg, #dc2626, #ef4444);
  box-shadow: 0 8px 24px -6px rgba(239,68,68,0.45);
}
.btn-danger:hover { box-shadow: 0 12px 32px -6px rgba(239,68,68,0.6); }

/* ============= CERT VERIFY ============= */
.verify-form {
  max-width: 540px; margin: 16px auto 24px;
  padding: 24px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); backdrop-filter: blur(10px);
}
.verify-label { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--v300); margin-bottom: 10px; }
.verify-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.verify-row input {
  font: inherit; font-family: var(--mono); padding: 12px 14px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); color: var(--text); letter-spacing: .08em; text-transform: uppercase;
}
.verify-row input:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); }

.verify-card {
  max-width: 640px; margin: 24px auto;
  padding: 36px 32px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--r-xl); backdrop-filter: blur(14px);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.verify-icon { width: 72px; height: 72px; margin: 0 auto 16px; display: grid; place-items: center; border-radius: 50%; }
.verify-icon svg { width: 38px; height: 38px; }
.verify-card-valid   .verify-icon { background: rgba(34,197,94,0.16);  color: #22c55e; box-shadow: 0 0 0 8px rgba(34,197,94,0.10); }
.verify-card-invalid .verify-icon { background: rgba(239,68,68,0.16); color: #ef4444; box-shadow: 0 0 0 8px rgba(239,68,68,0.10); }
.verify-card-pending .verify-icon { background: rgba(245,158,11,0.16); color: #f59e0b; box-shadow: 0 0 0 8px rgba(245,158,11,0.10); }
.verify-card h2 { font-size: 1.5rem; margin-bottom: 8px; }
.verify-detail {
  text-align: left;
  margin: 24px auto 0;
  padding: 18px 22px;
  background: rgba(0,0,0,0.30); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.verify-row-kv {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.verify-row-kv:last-child { border-bottom: 0; }

/* ============= SEARCH ============= */
.nav-search-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  color: var(--text-mute);
  cursor: pointer; font: inherit; font-size: .82rem;
  transition: var(--t-fast);
}
.nav-search-btn:hover { border-color: var(--v500); color: var(--text); }
.nav-search-btn svg { width: 15px; height: 15px; }
.nav-search-btn kbd {
  font-family: var(--mono); font-size: .68rem;
  padding: 1px 6px; border-radius: 4px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-mute);
}

.search-modal {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: flex-start center;
  padding-top: 12vh;
}
.search-modal[hidden] { display: none; }
.search-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(3,3,8,.72);
  backdrop-filter: blur(8px);
}
.search-modal-card {
  position: relative;
  width: min(620px, calc(100% - 32px));
  background: rgba(11, 11, 20, 0.95);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  box-shadow: 0 30px 80px -20px rgba(91,33,182,0.5);
  overflow: hidden;
  animation: searchIn .25s var(--t-base) both;
}
@keyframes searchIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }
.search-modal-form {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
.search-modal-form input {
  flex: 1;
  background: transparent; border: 0; outline: none;
  color: var(--text); font: inherit; font-size: 1rem;
  padding: 4px 0;
}
.search-modal-form kbd {
  font-family: var(--mono); font-size: .7rem;
  padding: 2px 7px; border-radius: 5px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-mute);
}
.search-modal-results {
  max-height: 60vh; overflow-y: auto;
  padding: 8px;
}
.search-modal-empty { padding: 24px 18px; text-align: center; }
.search-modal-item {
  display: grid; grid-template-columns: 72px 1fr;
  gap: 12px; align-items: start;
  padding: 12px 14px;
  border-radius: 10px;
  color: inherit; text-decoration: none;
  transition: var(--t-fast);
}
.search-modal-item:hover { background: rgba(139,92,246,0.10); }
.search-modal-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.search-modal-title { color: var(--text); font-weight: 600; line-height: 1.3; }
.search-modal-snip { color: var(--text-mute); font-size: .84rem; line-height: 1.45; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

.search-kind {
  display: inline-block;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 5px; line-height: 1.4;
  text-align: center; min-width: 64px;
}
.search-kind-room    { color: #6ee7b7; background: rgba(16,185,129,0.14); border: 1px solid rgba(110,231,183,0.28); }
.search-kind-module  { color: #c4b5fd; background: rgba(139,92,246,0.14); border: 1px solid rgba(196,181,253,0.28); }
.search-kind-path    { color: #fbbf24; background: rgba(245,158,11,0.14); border: 1px solid rgba(251,191,36,0.28); }
.search-kind-article { color: #fca5a5; background: rgba(239,68,68,0.14);  border: 1px solid rgba(252,165,165,0.28); }

body.search-open { overflow: hidden; }

/* /ara sayfası */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.search-form {
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px; max-width: 720px; margin: 16px auto 32px;
}
.search-form input {
  font: inherit; padding: 14px 18px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); color: var(--text);
}
.search-form input:focus { outline: none; border-color: var(--v500); box-shadow: var(--glow); }

.search-summary { max-width: 720px; margin: 0 auto 24px; }
.search-results { max-width: 820px; margin: 0 auto; list-style: none; display: flex; flex-direction: column; gap: 10px; padding: 0; }
.search-result {
  display: block; padding: 18px 22px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r-md);
  text-decoration: none; color: inherit;
  transition: var(--t-fast);
  backdrop-filter: blur(10px);
}
.search-result:hover { border-color: var(--v500); transform: translateY(-2px); }
.search-result-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.search-url { font-family: var(--mono); font-size: .76rem; }
.search-title { margin: 0 0 6px; font-size: 1.05rem; }
.search-snippet { margin: 0; color: var(--text-soft); font-size: .9rem; line-height: 1.5; }
.search-title mark, .search-snippet mark { background: rgba(139,92,246,0.30); color: var(--v200); padding: 0 2px; border-radius: 2px; }
.search-empty { max-width: 720px; margin: 32px auto; text-align: center; }
.search-suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 16px; }
.search-suggest a {
  font-family: var(--mono); font-size: .82rem;
  padding: 6px 12px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--bg-elev);
  color: var(--text-soft);
}
.search-suggest a:hover { color: var(--v200); border-color: var(--v500); background: rgba(139,92,246,0.10); }

@media (max-width: 760px) {
  .nav-search-btn kbd { display: none; }
}

/* ============= COOKIE BANNER ============= */
.cookie-banner {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 200;
  width: min(720px, calc(100% - 32px));
  background: rgba(11, 11, 20, 0.92);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  animation: cookieIn .5s var(--t-slow) both;
}
@keyframes cookieIn { from { opacity: 0; transform: translate(-50%, 24px); } to { opacity: 1; transform: translate(-50%, 0); } }
.cookie-banner[hidden] { display: none; }
.cookie-banner-inner { padding: 14px 18px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.cookie-text { flex: 1 1 320px; font-size: .9rem; color: var(--text-soft); }
.cookie-text a { color: var(--v300); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
@media (max-width: 520px) {
  .cookie-banner-inner { padding: 14px; }
  .cookie-actions { width: 100%; justify-content: flex-end; }
}

/* ============= LEGAL ============= */
.legal .prose { margin: 0 auto; max-width: 78ch; }

/* ============= REVEAL ============= */
/* Animasyon kaldırıldı — her şey direkt görünür (kullanıcı isteği) */
.reveal,
.reveal-stagger > * { opacity: 1; transform: none; transition: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .12s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .19s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .26s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .33s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .40s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: .47s; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: .54s; }

.fade-up { animation: fadeUp .9s var(--t-slow) both; }
.fade-up-1 { animation-delay: .06s; }
.fade-up-2 { animation-delay: .18s; }
.fade-up-3 { animation-delay: .30s; }
.fade-up-4 { animation-delay: .42s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

/* ============= RESPONSIVE ============= */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 36px; }
  .room-layout { grid-template-columns: 1fr; }
  .room-side { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 820px) {
  .site-header { padding: 0; }
  .nav { width: 100%; padding: 0 16px; }
  .nav-toggle { display: inline-flex; z-index: 120; position: relative; }
  .brand-tag { display: none; }
  .brand-line .brand-name { font-size: .92rem; }
  .brand { gap: 8px; }

  /* Mobile menu — viewport'tan başla (top:0 değil, header'ın altına yerleştir) */
  .nav-links {
    position: fixed;
    top: var(--nav-h, 64px); left: 0; right: 0; bottom: 0;
    z-index: 110;
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(7, 7, 13, 0.96);
    backdrop-filter: blur(22px);
    padding: 20px 22px max(20px, env(safe-area-inset-bottom));
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: opacity var(--t-base), transform var(--t-base);
    border-top: 1px solid var(--border);
    overflow-y: auto;
  }
  body.nav-open .nav-links { transform: translateY(0); opacity: 1; pointer-events: auto; }
  body.nav-open { overflow: hidden; }
  .nav-links li {
    width: 100%; padding: 14px 0;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
  }
  .nav-links li:last-child { border-bottom: 0; }
  .nav-links a:not(.btn) { display: block; font-size: 1.05rem; padding: 4px 0; width: 100%; }
  .nav-links a:not(.btn).active::after,
  .nav-links a:not(.btn):hover::after { display: none; }
  .nav-links a:not(.btn).active { color: var(--v200); }
  .nav-links .btn { width: 100%; justify-content: center; padding: 12px 16px; }

  /* Kullanıcı bloğu — isim üstte tam, altta pill'ler wrap, çıkış altta */
  .nav-user {
    display: flex; flex-direction: column; align-items: stretch;
    gap: 10px; width: 100%;
  }
  .nav-user .user-name {
    font-size: 1.05rem; font-weight: 700;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    order: -1;
  }
  .nav-user .user-stat { align-self: flex-start; font-size: .82rem; padding: 5px 12px; }
  .nav-user form { display: block; width: 100%; }
  .nav-user form .btn { width: 100%; }
}
@media (max-width: 640px) {
  :root { --nav-h: 60px; }
  .hero-shell { padding: 48px 0 40px; }
  .module-link { grid-template-columns: 80px 1fr; gap: 16px; padding: 18px 20px; }
  .module-link .ring { display: none; }
  .module-badge { width: 80px; height: 80px; }
  .task-form { grid-template-columns: 1fr; }
  .task-head { grid-template-columns: 36px 1fr; }
  .task-pts  { grid-column: 2 / 3; justify-self: start; }
  .auth-card { padding: 30px 24px; }
  .demo-line { grid-template-columns: 64px 1fr; gap: 10px; }
  .demo-body { padding: 16px; font-size: .78rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}

/* ── Bekçi karakter görselleri ──────────────────────────────────────────── */
.lab-hero {
  display: block; width: 100%; margin: 0 0 32px;
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.lab-hero img { display: block; width: 100%; height: auto; object-fit: cover; }

.lab-card-cover {
  display: block; overflow: hidden;
  margin: -20px -20px 16px;
  border-bottom: 1px solid var(--border);
}
.lab-card-cover img {
  display: block; width: 100%; height: 200px; object-fit: cover;
  transition: transform .4s ease;
}
.lab-card:hover .lab-card-cover img { transform: scale(1.04); }

/* Chat avatar: .who sütununu dikey hizada avatar + isim olarak kullan */
.chat-msg .who { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.chat-msg .who-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.chat-msg.user .who-avatar { display: none; }
.chat-msg .who-label { text-align: center; }

/* Chat head'de küçük avatar (sayfa başı) */
.chat-head-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border);
  margin-right: 14px; flex-shrink: 0;
}

/* ============================================================
   Hakkımızda sayfası
   ============================================================ */
.about { padding-bottom: 80px; }

.about-hero {
  padding: 80px 0 56px;
  text-align: center;
  position: relative;
}
.about-hero-title {
  font-family: var(--head, 'Manrope', 'Inter', system-ui, sans-serif);
  font-weight: 800;
  font-size: clamp(40px, 6.5vw, 84px);
  line-height: 1.02;
  letter-spacing: -2px;
  margin: 8px 0 24px;
}
.about-hero-title .grad {
  background: linear-gradient(90deg, var(--v300), #d946ef 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-hero-sub {
  max-width: 760px;
  margin: 0 auto;
  color: var(--text-soft);
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.55;
}

.about-section {
  padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.about-section h2 {
  font-family: var(--head, 'Manrope', 'Inter', system-ui, sans-serif);
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: -1px;
  margin: 6px 0 32px;
}
.about-section .kicker { display: inline-block; margin-bottom: 4px; }
.about-section-dark {
  background:
    linear-gradient(180deg, rgba(139,92,246,0.04), rgba(139,92,246,0) 60%),
    radial-gradient(800px 400px at 80% 0%, rgba(217,70,239,0.08), transparent 60%);
  border-radius: 28px;
  padding: 56px clamp(20px, 4vw, 56px);
  margin: 24px 0;
  border: 1px solid rgba(255,255,255,0.06);
}

.about-stack p {
  font-size: 18px;
  line-height: 1.7;
  margin: 0 0 16px;
  max-width: 820px;
  color: var(--text-soft);
}
.about-stack strong { color: var(--ink, #f6f1ff); }
.about-lead {
  max-width: 820px;
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-soft);
}
.about-foot {
  margin-top: 28px;
  color: var(--text-mute);
  font-size: 15px;
  max-width: 820px;
}

.about-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}
@media (max-width: 880px) { .about-grid-3 { grid-template-columns: 1fr; } }

.about-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 18px;
  padding: 28px;
  position: relative;
  transition: border-color .2s ease, transform .2s ease;
}
.about-card:hover {
  border-color: rgba(167,139,250,0.35);
  transform: translateY(-2px);
}
.about-card h3 {
  font-family: var(--head, 'Manrope', 'Inter', system-ui, sans-serif);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  margin: 6px 0 10px;
}
.about-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
  font-size: 15.5px;
}
.about-card-num {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  color: var(--v400);
  font-size: 13px;
  letter-spacing: 2px;
}

.about-char .about-char-tag {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 6px 12px;
  display: inline-block;
  border: 1px solid;
  border-radius: 999px;
  margin-bottom: 12px;
}

/* Ekosistem */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 16px;
}
@media (max-width: 980px) { .eco-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .eco-grid { grid-template-columns: 1fr; } }

.eco-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}
.eco-card:hover {
  border-color: rgba(167,139,250,0.35);
  transform: translateY(-2px);
}
.eco-card-self {
  border-color: rgba(167,139,250,0.45);
  background:
    linear-gradient(180deg, rgba(139,92,246,0.08), rgba(139,92,246,0.02));
}
.eco-card-soon { opacity: 0.85; }
.eco-card-soon .eco-card-arrow { color: var(--text-mute); }
.eco-card-kicker {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--v300);
}
.eco-card h3 {
  font-family: var(--head, 'Manrope', 'Inter', system-ui, sans-serif);
  font-weight: 800;
  font-size: 20px;
  margin: 4px 0 0;
  letter-spacing: -0.5px;
}
.eco-card p {
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.eco-card-arrow {
  margin-top: 10px;
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 13px;
  color: var(--v300);
}

/* Kurucu */
.founder {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 8px;
}
.founder-meta p { color: var(--text-soft); line-height: 1.65; font-size: 17px; margin: 0 0 14px; max-width: 820px; }
.founder-title { color: var(--v300) !important; font-family: var(--mono, 'JetBrains Mono', monospace); font-size: 14px !important; letter-spacing: 1.5px; }
.founder-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

/* CTA */
.about-cta {
  margin-top: 24px;
  padding: 56px 32px;
  text-align: center;
  border-radius: 24px;
  background:
    radial-gradient(600px 400px at 50% 0%, rgba(139,92,246,0.20), transparent 60%),
    linear-gradient(180deg, rgba(139,92,246,0.08), rgba(139,92,246,0.02));
  border: 1px solid rgba(167,139,250,0.30);
}
.about-cta h2 {
  font-family: var(--head, 'Manrope', 'Inter', system-ui, sans-serif);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -1px;
  margin: 0 0 8px;
}
.about-cta p { color: var(--text-soft); font-size: 17px; margin: 0 0 24px; }
.about-cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }