/* ══════════════════════════════════════════
   BREAKAWAY — Design System
   ══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-0: #06060a;
  --bg-1: #0a0a0f;
  --bg-2: #12121a;
  --bg-3: #1a1a28;
  --gold: #C9A84C;
  --gold-light: #e0c872;
  --gold-dim: rgba(201,168,76,0.12);
  --gold-glow: rgba(201,168,76,0.25);
  --cyber: #00ffd5;
  --cyber-dim: rgba(0,255,213,0.1);
  --cyber-glow: rgba(0,255,213,0.3);
  --text-1: #f0f0f5;
  --text-2: #a0a0b4;
  --text-3: #65657a;
  --green: #34d399;
  --blue: #60a5fa;
  --purple: #a78bfa;
  --red: #f87171;
  --orange: #fb923c;
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* Film grain — subtle analog texture */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

a { color: var(--gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(6,6,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.nav.hidden { transform: translateY(-100%); opacity: 0; pointer-events: none; }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text-1); }
.brand-icon { color: var(--gold); font-size: 1.4rem; }
.brand-icon.lg { font-size: 3rem; }
.nav-links { display: flex; gap: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--text-2); font-size: 0.875rem; font-weight: 500;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--gold); background: var(--gold-dim); }
.nav-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gold-dim); border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--gold);
}

/* ── VIEWS ── */
.view { display: none; min-height: 100vh; }
.view.active { display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 96px 24px 48px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 4px;
  font-family: var(--font); font-size: 0.875rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: var(--transition); letter-spacing: 0.3px;
  position: relative;
}
.btn-primary {
  background: var(--gold);
  color: var(--bg-0);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: transparent; color: var(--gold);
  box-shadow: 0 0 24px rgba(201,168,76,0.15);
}
.btn-ghost {
  background: transparent; color: var(--text-1);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-ghost:hover { border-color: var(--text-1); }
.btn-lg { padding: 15px 32px; font-size: 0.95rem; }

.btn-hold {
  border-radius: 30px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  z-index: 1;
}

.btn-hold .hold-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--text-1);
  opacity: 0.2;
  z-index: -1;
  transition: width 0.1s linear, opacity 0.3s ease;
}

.btn-hold.holding .hold-progress {
  opacity: 0.4;
}

.btn-hold .btn-text {
  position: relative;
  z-index: 1;
}

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* ── HERO ── */
#view-landing { position: relative; overflow: hidden; }
#particle-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px;
  align-items: center; padding: 120px 48px 80px;
  max-width: 1280px; margin: 0 auto;
}
#grid-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero-left { padding: 80px 0; position: relative; z-index: 1; }
.hero-left::before {
  content: ''; position: absolute;
  top: 10%; left: -20%; width: 140%; height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(201,168,76,0.18) 0%, rgba(0,255,213,0.06) 40%, transparent 70%);
  filter: blur(60px); pointer-events: none; z-index: -1;
}
.hero-tag {
  font-size: 0.7rem; letter-spacing: 3px; color: var(--cyber);
  font-weight: 600; margin-bottom: 32px;
  display: inline-flex; align-items: center; gap: 8px;
  text-shadow: 0 0 20px var(--cyber-dim);
}
.hero-title { font-size: clamp(4rem, 10vw, 8rem); font-weight: 900; line-height: 0.9; margin-bottom: 28px; }
.hero-break { 
  display: block; 
  background: linear-gradient(135deg, #ffffff 0%, #a0a0b4 50%, #ffffff 100%);
  text-shadow: 0 2px 10px rgba(255,255,255,0.1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-away {
  display: block;
  background: linear-gradient(to top, #ffdf70, var(--gold) 40%, #7a6015);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 10px 40px rgba(201,168,76,0.2);
}
.hero-lead { font-size: 1.4rem; color: var(--text-2); font-weight: 300; margin-bottom: 14px; line-height: 1.5; }
.hero-sub { font-size: 0.9rem; color: var(--text-3); max-width: 420px; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 48px; }
.hero-proof { display: flex; gap: 24px; }
.proof-line { display: flex; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--cyber); font-family: var(--mono); }
.proof-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyber); flex-shrink: 0;
  box-shadow: 0 0 6px var(--cyber-glow);
}
.proof-dot.live { animation: cyberPulse 2s infinite; }
@keyframes cyberPulse {
  0%,100% { box-shadow: 0 0 6px var(--cyber-glow); opacity: 1; }
  50% { box-shadow: 0 0 14px var(--cyber-glow); opacity: 0.6; }
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes cardGlow {
  0%,100% {
    border-color: rgba(201,168,76,0.3);
    box-shadow: 0 20px 50px rgba(0,0,0,0.9), 0 0 40px rgba(201,168,76,0.1), inset 0 1px 1px rgba(255,255,255,0.2), inset 0 -1px 1px rgba(0,0,0,0.5);
  }
  50% {
    border-color: rgba(201,168,76,0.7);
    box-shadow: 0 30px 80px rgba(0,0,0,1), 0 0 80px rgba(201,168,76,0.25), 0 0 120px rgba(0,255,213,0.15), inset 0 1px 1px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.5);
  }
}

/* ── CREDENTIAL PREVIEW ── */
.hero-right { display: flex; justify-content: center; align-items: center; position: relative; z-index: 1; }
.hero-right::before {
  content: ''; position: absolute;
  top: 20%; left: 15%; width: 120%; height: 80%;
  border-radius: 40% 60% 55% 45% / 50% 40% 60% 50%;
  background: radial-gradient(ellipse at 40% 50%, rgba(0,255,213,0.035) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  transform: rotate(-8deg);
  filter: blur(30px);
}
.preview-credential {
  background: linear-gradient(145deg, rgba(20,20,25,0.75), rgba(6,6,10,0.95));
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 16px; padding: 36px; width: 100%; max-width: 400px;
  position: relative; z-index: 1;
  backdrop-filter: blur(40px) saturate(2.5);
  -webkit-backdrop-filter: blur(40px) saturate(2.5);
  animation: float 6s ease-in-out infinite, cardGlow 5s ease-in-out infinite;
}
.preview-credential::before {
  content: ''; position: absolute; inset: -1px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(201,168,76,0.4), transparent 40%, transparent 60%, rgba(0,255,213,0.2));
  z-index: -1; pointer-events: none;
}
/* No .preview-glow — killed the perfect circle */
.pc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.pc-badge {
  font-size: 0.6rem; letter-spacing: 2px; font-weight: 700;
  color: var(--cyber); padding: 5px 12px;
  border: 1px solid rgba(0,255,213,0.25); border-radius: 3px;
  background: rgba(0,255,213,0.06);
  text-shadow: 0 0 10px var(--cyber-dim);
}
.pc-shield { color: var(--gold); font-size: 1.4rem; opacity: 0.5; }
.pc-domain { font-size: 0.65rem; letter-spacing: 2px; color: var(--gold); font-weight: 700; margin-bottom: 6px; }
.pc-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }
.pc-score-row { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.pc-score { font-size: 3rem; font-weight: 900; color: var(--gold); line-height: 1; }
.pc-score span { font-size: 1.1rem; opacity: 0.5; }
.pc-meta { font-size: 0.78rem; color: var(--text-3); line-height: 1.6; }
.pc-hash {
  display: flex; gap: 8px; align-items: center;
  padding: 10px 14px; background: rgba(0,0,0,0.5); border-radius: 6px;
  font-family: var(--mono); font-size: 0.72rem; margin-bottom: 16px;
  border: 1px solid rgba(0,255,213,0.08);
}
.pc-hash-label { color: var(--cyber); font-weight: 600; flex-shrink: 0; text-shadow: 0 0 8px var(--cyber-dim); }
.pc-hash-val { color: var(--cyber); opacity: 0.6; }
.pc-footer { font-size: 0.75rem; color: var(--text-3); text-align: center; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); }

/* ── HOW IT WORKS ── */
.how-section { padding: 40px 32px 80px; max-width: 1200px; margin: 0 auto; }
.how-header { margin-bottom: 48px; }
.how-tag { font-size: 0.65rem; letter-spacing: 3px; color: var(--gold); font-weight: 700; display: block; margin-bottom: 8px; }
.how-title { font-size: 1.8rem; font-weight: 800; }
.steps-row { display: flex; align-items: flex-start; gap: 0; }
.step {
  flex: 1; padding: 24px; position: relative;
  border-left: 1px solid rgba(201,168,76,0.15);
}
.step:first-child { border-left: none; }
.step::before {
  content: attr(data-n); position: absolute; top: 24px; right: 20px;
  font-size: 2rem; font-weight: 900; color: rgba(201,168,76,0.08);
}
.step-icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04));
  border: 1px solid rgba(201,168,76,0.2);
  color: var(--gold);
  box-shadow: 0 0 20px rgba(201,168,76,0.06);
  transition: all 0.3s ease;
}
.step:hover .step-icon {
  background: linear-gradient(135deg, rgba(201,168,76,0.2), rgba(201,168,76,0.08));
  box-shadow: 0 0 30px rgba(201,168,76,0.12);
  transform: translateY(-2px);
}
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.8rem; color: var(--text-2); line-height: 1.6; }
.step-arrow { display: none; }

/* ── CARDS ── */
.card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.card-header h3 { font-size: 1.1rem; font-weight: 700; }
.card-badge {
  font-size: 0.75rem; padding: 4px 12px;
  background: var(--gold-dim); color: var(--gold);
  border-radius: 50px; font-weight: 600;
}
.card-link { font-size: 0.85rem; color: var(--gold); font-weight: 500; }
.card-trajectory { overflow: hidden; }

/* ── STATS ROW ── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 20px;
  display: flex; align-items: center; gap: 16px;
}
.stat-card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stat-card-icon.gold { background: var(--gold-dim); color: var(--gold); }
.stat-card-icon.blue { background: rgba(96,165,250,0.12); color: var(--blue); }
.stat-card-icon.green { background: rgba(52,211,153,0.12); color: var(--green); }
.stat-card-icon.purple { background: rgba(167,139,250,0.12); color: var(--purple); }
.stat-card-num { font-size: 1.5rem; font-weight: 800; display: block; }
.stat-card-label { font-size: 0.75rem; color: var(--text-3); }

/* ── DASHBOARD ── */
.dash-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.dash-greeting { font-size: 1.6rem; font-weight: 800; }
.dash-sub { color: var(--text-3); font-size: 0.9rem; }

/* ── ONBOARDING ── */
#view-onboard { display: none; align-items: center; justify-content: center; min-height: 100vh; }
#view-onboard.active { display: flex; }
.onboard-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 48px; max-width: 520px; width: 100%;
}
.onboard-header { text-align: center; margin-bottom: 32px; }
.onboard-header h2 { font-size: 1.5rem; font-weight: 800; margin-top: 16px; }
.onboard-header p { color: var(--text-3); font-size: 0.9rem; margin-top: 4px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: var(--bg-1); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); color: var(--text-1);
  font-family: var(--font); font-size: 0.95rem;
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-dim);
}
.domain-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.domain-chip {
  padding: 8px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  background: var(--bg-1); border: 1px solid var(--glass-border);
  color: var(--text-2); cursor: pointer; transition: var(--transition);
}
.domain-chip.selected { background: var(--gold-dim); border-color: var(--gold); color: var(--gold); }

/* ── CHALLENGE GRID ── */
.page-header { margin-bottom: 32px; }
.page-header h2 { font-size: 1.6rem; font-weight: 800; }
.page-header p { color: var(--text-3); margin-top: 4px; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.filter-chip {
  padding: 8px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-2); cursor: pointer; transition: var(--transition); font-family: var(--font);
}
.filter-chip.active, .filter-chip:hover { background: var(--gold-dim); border-color: var(--gold); color: var(--gold); }
.challenge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.challenge-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 28px;
  cursor: pointer; transition: var(--transition);
}
.challenge-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.challenge-card-domain {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--gold); margin-bottom: 12px;
}
.challenge-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.challenge-card p { font-size: 0.85rem; color: var(--text-2); margin-bottom: 16px; line-height: 1.6; }
.challenge-meta { display: flex; gap: 16px; align-items: center; }
.challenge-diff {
  font-size: 0.75rem; font-weight: 700; padding: 4px 10px;
  border-radius: 50px; text-transform: uppercase; letter-spacing: 0.5px;
}
.diff-beginner { background: rgba(52,211,153,0.12); color: var(--green); }
.diff-intermediate { background: rgba(251,146,60,0.12); color: var(--orange); }
.diff-advanced { background: rgba(248,113,113,0.12); color: var(--red); }
.challenge-type { font-size: 0.75rem; color: var(--text-3); }
.challenge-time { font-size: 0.75rem; color: var(--text-3); }

/* ── ACTIVE CHALLENGE ── */
.challenge-header { margin-bottom: 24px; }
.challenge-header h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.challenge-header p { color: var(--text-2); }
.challenge-workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.challenge-prompt {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 24px;
}
.challenge-prompt h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--gold); }
.challenge-editor {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column;
}
.editor-toolbar {
  padding: 10px 16px; border-bottom: 1px solid var(--glass-border);
  display: flex; justify-content: space-between; align-items: center;
}
.editor-lang { font-size: 0.8rem; color: var(--text-3); font-weight: 600; }
.code-input {
  width: 100%; min-height: 300px; padding: 16px;
  background: var(--bg-0); border: none; color: var(--gold-light);
  font-family: var(--mono); font-size: 0.9rem; line-height: 1.6;
  resize: vertical;
}
.code-input:focus { outline: none; }
.test-results { padding: 16px; border-top: 1px solid var(--glass-border); }
.test-case {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; font-size: 0.85rem; font-family: var(--mono);
}
.test-pass { color: var(--green); }
.test-fail { color: var(--red); }
.challenge-timer {
  font-size: 1.5rem; font-weight: 800; color: var(--gold);
  font-family: var(--mono); text-align: right;
}
.challenge-actions { display: flex; gap: 12px; margin-top: 16px; }

/* ── RESULTS ── */
.results-card {
  max-width: 600px; margin: 0 auto;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 48px; text-align: center;
}
.results-icon { font-size: 4rem; margin-bottom: 16px; }
.results-score { font-size: 4rem; font-weight: 900; color: var(--gold); }
.results-label { color: var(--text-3); font-size: 0.9rem; margin-bottom: 24px; }
.results-hash {
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-3);
  word-break: break-all; padding: 12px; background: var(--bg-0);
  border-radius: var(--radius-sm); margin: 16px 0;
}
.results-hash span { color: var(--gold); }

/* ── CREDENTIALS ── */
.credentials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.credential-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 24px;
  position: relative; overflow: hidden;
}
.credential-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}
.credential-domain { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--gold); margin-bottom: 8px; }
.credential-title { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.credential-score { font-size: 0.85rem; color: var(--green); font-weight: 600; }
.credential-date { font-size: 0.75rem; color: var(--text-3); margin-top: 8px; }
.credential-hash { font-family: var(--mono); font-size: 0.65rem; color: var(--text-3); margin-top: 8px; word-break: break-all; }

/* ── PROFILE ── */
.profile-wrapper { max-width: 700px; margin: 0 auto; }
.profile-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 48px; text-align: center;
  position: relative; overflow: hidden; margin-bottom: 24px;
}
.profile-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--orange));
}
.profile-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 900; color: var(--bg-0);
  margin: 0 auto 16px;
}
.profile-name { font-size: 1.5rem; font-weight: 800; }
.profile-title { color: var(--text-2); font-size: 0.9rem; margin-top: 4px; }
.profile-bio { color: var(--text-3); font-size: 0.85rem; margin-top: 8px; max-width: 400px; margin-left: auto; margin-right: auto; }
.profile-stats { display: flex; justify-content: center; gap: 32px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--glass-border); }
.profile-skills { display: grid; gap: 12px; }
.skill-bar-wrapper { }
.skill-bar-header { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 4px; }
.skill-bar-header span:first-child { font-weight: 600; }
.skill-bar-header span:last-child { color: var(--text-3); }
.skill-bar { height: 6px; background: var(--bg-1); border-radius: 3px; overflow: hidden; }
.skill-bar-fill { height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 3px; transition: width 1s ease; }

/* ── VERIFY ── */
.verify-card {
  max-width: 600px; margin: 0 auto;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 48px; text-align: center;
}

/* ── TOAST ── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 20px; border-radius: var(--radius-sm);
  background: var(--bg-3); border: 1px solid var(--glass-border);
  color: var(--text-1); font-size: 0.85rem;
  animation: toastIn 0.3s ease;
}
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 40px; color: var(--text-3); }
.empty-state p { margin-bottom: 16px; }

/* ── QUIZ STYLES ── */
.quiz-options { display: grid; gap: 10px; margin-top: 16px; }
.quiz-option {
  padding: 14px 18px; background: var(--bg-1); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem;
  transition: var(--transition); text-align: left;
}
.quiz-option:hover { border-color: var(--gold); }
.quiz-option.selected { border-color: var(--gold); background: var(--gold-dim); }
.quiz-option.correct { border-color: var(--green); background: rgba(52,211,153,0.1); }
.quiz-option.wrong { border-color: var(--red); background: rgba(248,113,113,0.1); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .hero-right { order: -1; padding-top: 80px; }
  .challenge-workspace { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .steps-row { flex-direction: column; }
  .step { border-left: none; border-top: 1px solid rgba(201,168,76,0.15); }
  .step:first-child { border-top: none; }
}
@media (max-width: 480px) {
  .landing-title { font-size: 3.5rem; }
  .stats-row { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .mode-options { flex-direction: column; }
}

/* ══════════════════════════════════════════
   AI MODE SELECTOR
   ══════════════════════════════════════════ */
.ai-mode-selector {
  max-width: 700px; margin: 40px auto; text-align: center;
}
.mode-selector-title {
  font-size: 1.6rem; font-weight: 700; color: var(--text-0); margin-bottom: 8px;
}
.mode-selector-subtitle {
  font-size: 0.95rem; color: var(--text-2); margin-bottom: 32px; line-height: 1.6;
}
.mode-options {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.mode-option {
  flex: 1; min-width: 180px; max-width: 220px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px 20px; cursor: pointer; transition: all 0.3s ease;
  text-align: center;
}
.mode-option:hover {
  border-color: var(--mode-color, var(--gold));
  background: rgba(255,255,255,0.03);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px color-mix(in srgb, var(--mode-color, var(--gold)) 20%, transparent);
}
.mode-option-icon { font-size: 2.2rem; margin-bottom: 12px; }
.mode-option-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 12px;
}
.mode-option-desc {
  font-size: 0.82rem; color: var(--text-2); line-height: 1.5;
}

/* ── Mode Badges (on challenge cards) ── */
.challenge-card-top {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;
}
.challenge-type-badge {
  font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 6px; color: var(--text-2);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
}
.type-validate { color: #f59e0b; border-color: rgba(245,158,11,0.3); }
.type-prompt { color: #a78bfa; border-color: rgba(167,139,250,0.3); }
.challenge-modes {
  display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 4px;
}
.mode-badge {
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.06em;
  padding: 3px 8px; border-radius: 20px;
  color: var(--mode-color); background: color-mix(in srgb, var(--mode-color) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--mode-color) 25%, transparent);
}

/* ── Active mode badge (during challenge) ── */
.challenge-header-row {
  display: flex; align-items: center; gap: 16px; margin-top: 8px;
}
.active-mode-badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 5px 14px; border-radius: 20px;
  color: var(--mode-color); background: color-mix(in srgb, var(--mode-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--mode-color) 30%, transparent);
  text-shadow: 0 0 10px color-mix(in srgb, var(--mode-color) 40%, transparent);
}

/* ── Results page mode badge ── */
.results-mode-badge {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 6px 18px; border-radius: 20px; margin: 8px 0 12px;
  color: var(--mode-color); background: color-mix(in srgb, var(--mode-color) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--mode-color) 25%, transparent);
}

/* ── Behavioral Integrity Badge ── */
.integrity-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 6px 16px; border-radius: 20px; margin: 10px 0 4px;
  border: 1.5px solid; background: rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
}
.integrity-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  animation: integrityPulse 2s ease-in-out infinite;
}
@keyframes integrityPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px currentColor; }
  50% { opacity: 0.5; box-shadow: 0 0 8px currentColor; }
}
.integrity-details {
  font-size: 0.68rem; color: var(--text-2); text-align: center;
  margin-bottom: 10px; opacity: 0.7;
}
.integrity-signal {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: #f59e0b; background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2); border-radius: 8px;
  padding: 6px 14px; margin: 8px 0 12px;
}

/* ── Credential card mode badge ── */
.credential-card-top {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px;
}
.cred-mode-badge {
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.06em;
  padding: 2px 8px; border-radius: 12px;
  color: var(--mode-color); background: color-mix(in srgb, var(--mode-color) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--mode-color) 20%, transparent);
}

/* ══════════════════════════════════════════
   VALIDATE / PROMPT CHALLENGE TYPES
   ══════════════════════════════════════════ */
.buggy-code {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; margin: 16px 0; font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem; line-height: 1.7; color: #e2e8f0;
  overflow-x: auto; white-space: pre-wrap;
}
.bug-inputs { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.bug-input-group label {
  display: block; font-size: 0.8rem; font-weight: 600; color: var(--gold);
  margin-bottom: 6px; letter-spacing: 0.05em;
}
.bug-input {
  width: 100%; min-height: 70px; padding: 12px 14px;
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text-0); font-family: 'Inter', sans-serif; font-size: 0.85rem;
  resize: vertical; transition: border-color 0.2s;
}
.bug-input:focus { outline: none; border-color: var(--gold); }
.prompt-input { min-height: 180px; }
.rubric-display {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 20px; margin: 16px 0;
}
.rubric-display h4 {
  font-size: 0.8rem; font-weight: 700; color: var(--gold); margin-bottom: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.rubric-display ul { list-style: none; padding: 0; margin: 0; }
.rubric-display li {
  font-size: 0.82rem; color: var(--text-2); padding: 4px 0;
  padding-left: 18px; position: relative;
}
.rubric-display li::before {
  content: '◈'; position: absolute; left: 0; color: var(--gold); font-size: 0.7rem;
}

/* ═══════ GAMIFICATION: Grades, XP, Streaks ═══════ */
.results-grade {
  font-size: 5rem; font-weight: 900; line-height: 1;
  color: var(--grade-color, var(--gold)); text-shadow: 0 0 40px var(--grade-color, var(--gold));
  animation: gradeReveal 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes gradeReveal {
  0% { transform: scale(0) rotate(-15deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(5deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}
.results-grade-title {
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; margin-bottom: 8px;
}
.results-score span { font-size: 0.5em; opacity: 0.6; }
.results-xp-row {
  display: flex; gap: 12px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin: 16px 0;
}
.xp-earned {
  font-size: 1.4rem; font-weight: 800; color: var(--gold);
  text-shadow: 0 0 12px rgba(201, 168, 76, 0.5);
  transition: transform 0.3s;
}
.xp-earned.xp-pop { animation: xpPop 0.4s ease; }
@keyframes xpPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
.xp-bonus {
  font-size: 0.8rem; font-weight: 600; color: #06b6d4;
  background: rgba(6, 182, 212, 0.12); border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 4px 10px; border-radius: 20px;
  animation: fadeSlideUp 0.5s ease 0.3s both;
}
.xp-streak {
  font-size: 0.8rem; font-weight: 600; color: #f59e0b;
  background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 10px; border-radius: 20px;
  animation: fadeSlideUp 0.5s ease 0.5s both;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
/* Challenge card flavor text */
.challenge-flavor {
  font-style: italic; color: var(--text-2); font-size: 0.82rem;
  margin: 6px 0 10px; opacity: 0.8; line-height: 1.4;
}
.challenge-xp-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.72rem; font-weight: 700; color: var(--gold);
  background: rgba(201, 168, 76, 0.12); border: 1px solid rgba(201, 168, 76, 0.25);
  padding: 2px 8px; border-radius: 12px;
}
.challenge-hint {
  font-size: 0.78rem; color: var(--text-2); background: rgba(255,255,255,0.03);
  border-left: 2px solid var(--gold); padding: 8px 12px; margin: 10px 0;
  border-radius: 0 6px 6px 0; cursor: pointer; transition: all 0.2s;
}
.challenge-hint:hover { background: rgba(255,255,255,0.06); }
.challenge-hint::before { content: '💡 Hint: '; font-weight: 600; color: var(--gold); }
/* Timer urgency */
.timer-urgent { color: #ef4444 !important; animation: timerPulse 0.5s ease infinite; }
@keyframes timerPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ══════════════════════════════════════════
   PROFILE VIEW
   ══════════════════════════════════════════ */

/* Empty state (no user) */
.profile-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 60vh; text-align: center; gap: 20px;
}
.profile-empty-icon {
  width: 100px; height: 100px; border-radius: 50%;
  background: var(--gold-dim); display: flex; align-items: center; justify-content: center;
  animation: profilePulse 3s ease-in-out infinite;
}
.profile-empty h2 { font-size: 1.8rem; color: var(--text-1); }
.profile-empty p { color: var(--text-2); max-width: 360px; font-size: 0.95rem; }

@keyframes profilePulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--gold-dim); }
  50% { box-shadow: 0 0 30px 10px var(--gold-dim); }
}

/* Profile card */
.profile-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 32px;
  backdrop-filter: blur(16px); margin-bottom: 24px;
}
.profile-card-top {
  display: flex; align-items: center; gap: 20px; margin-bottom: 24px;
}
.profile-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--cyber));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: var(--bg-0);
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--gold-dim), 0 4px 12px rgba(0,0,0,0.4);
}
.profile-identity { flex: 1; }
.profile-name {
  font-size: 1.5rem; font-weight: 700; color: var(--text-1);
  letter-spacing: -0.02em;
}
.profile-title {
  font-size: 0.85rem; color: var(--text-2); margin-top: 2px;
}
.profile-grade-badge {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 900; color: var(--bg-0);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  flex-shrink: 0;
}
.profile-bio {
  font-size: 0.9rem; color: var(--text-2); line-height: 1.5;
  padding: 0 0 20px 0; border-bottom: 1px solid var(--glass-border);
  margin-bottom: 20px;
}

/* XP bar */
.profile-xp-bar { margin-bottom: 24px; }
.profile-xp-label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 8px;
}
.profile-xp-label span:first-child { color: var(--gold); }
.profile-xp-label span:last-child { color: var(--orange); }
.profile-xp-track {
  height: 8px; border-radius: 4px;
  background: rgba(255,255,255,0.06); overflow: hidden;
}
.profile-xp-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--gold), var(--cyber));
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 12px var(--gold-dim);
}
.profile-xp-milestone {
  font-size: 0.75rem; color: var(--text-3); margin-top: 6px; text-align: right;
}

/* Profile stats row */
.profile-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 20px;
}
.profile-stats .stat {
  text-align: center; padding: 16px;
  background: rgba(255,255,255,0.03); border-radius: var(--radius);
  border: 1px solid var(--glass-border);
}
.profile-stats .stat-num {
  display: block; font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--cyber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.profile-stats .stat-label {
  display: block; font-size: 0.75rem; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px;
}

/* Mode tags */
.profile-modes {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding-top: 16px; border-top: 1px solid var(--glass-border);
}
.profile-modes-label {
  font-size: 0.75rem; color: var(--text-3); text-transform: uppercase;
  letter-spacing: 0.08em; margin-right: 4px;
}
.profile-mode-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
  background: color-mix(in srgb, var(--mode-color) 12%, transparent);
  color: var(--mode-color);
  border: 1px solid color-mix(in srgb, var(--mode-color) 25%, transparent);
}

/* Skill map */
.profile-skills { padding: 20px; }
.skill-bar-wrapper { margin-bottom: 16px; }
.skill-bar-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 6px; font-size: 0.85rem;
}
.skill-bar-header span:first-child { color: var(--text-1); font-weight: 500; }
.skill-pct { font-weight: 700; font-family: var(--mono); }
.skill-bar {
  height: 6px; border-radius: 3px;
  background: rgba(255,255,255,0.06); overflow: hidden;
}
.skill-bar-fill {
  height: 100%; border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}
.profile-empty-skills {
  text-align: center; padding: 40px 20px; color: var(--text-3);
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════
   STROOP CHALLENGE (Signal & Noise)
   ═══════════════════════════════════════ */
.stroop-container {
  max-width: 700px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 20px;
}
.stroop-progress {
  height: 6px; background: var(--bg-3); border-radius: 3px;
  overflow: hidden;
}
.stroop-progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  border-radius: 3px; transition: width 0.4s ease;
}
.stroop-round-label {
  text-align: center; color: var(--text-3); font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 2px;
}
.stroop-code-display {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; overflow-x: auto;
}
.stroop-code-display pre {
  font-family: var(--mono); font-size: 1rem; color: var(--text-0);
  line-height: 1.7; margin: 0; white-space: pre-wrap;
}
.stroop-question {
  text-align: center; font-size: 1.2rem; font-weight: 600;
  color: var(--text-0); padding: 8px 0;
}
.stroop-options {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.stroop-option {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 20px;
  font-family: var(--mono); font-size: 0.95rem;
  color: var(--text-1); cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.stroop-option:hover:not(:disabled) {
  border-color: var(--accent);
  background: rgba(201,168,76,0.08);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.stroop-option:disabled { cursor: default; opacity: 0.8; }
.stroop-option.stroop-correct {
  border-color: #4ade80 !important;
  background: rgba(74,222,128,0.15) !important;
  color: #4ade80 !important;
  box-shadow: 0 0 20px rgba(74,222,128,0.2);
}
.stroop-option.stroop-wrong {
  border-color: #f87171 !important;
  background: rgba(248,113,113,0.15) !important;
  color: #f87171 !important;
}
.stroop-score-row {
  display: flex; justify-content: center; gap: 24px;
  font-family: var(--mono); font-size: 0.9rem;
}
.stroop-hits { color: #4ade80; }
.stroop-misses { color: #f87171; }

/* ═══════════════════════════════════════
   SPEED PARSE (Snapshot)
   ═══════════════════════════════════════ */
.speedparse-container {
  max-width: 700px; margin: 0 auto;
}
.speedparse-flash-zone {
  display: flex; flex-direction: column; gap: 16px;
}
.speedparse-instructions {
  text-align: center;
}
.speedparse-instructions h3 {
  color: var(--accent); font-size: 1.3rem; margin-bottom: 4px;
}
.speedparse-instructions p {
  color: var(--text-2); font-size: 0.95rem;
}
.speedparse-code {
  background: var(--bg-1); border: 1px solid var(--accent);
  border-radius: 12px; padding: 24px;
  font-family: var(--mono); font-size: 0.95rem;
  color: var(--text-0); line-height: 1.7;
  white-space: pre-wrap; margin: 0;
  box-shadow: 0 0 30px rgba(201,168,76,0.1);
  animation: speedparse-glow 1s ease-in-out infinite alternate;
}
@keyframes speedparse-glow {
  from { box-shadow: 0 0 20px rgba(201,168,76,0.08); }
  to { box-shadow: 0 0 40px rgba(201,168,76,0.2); }
}
.speedparse-timer-bar {
  height: 4px; background: var(--bg-3); border-radius: 2px;
  overflow: hidden;
}
.speedparse-timer-fill {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, #f87171, var(--accent-warm), var(--accent));
  border-radius: 2px;
  transition: width 3s linear;
}
.speedparse-recall-header {
  text-align: center; margin-bottom: 24px;
}
.speedparse-recall-header h3 {
  color: var(--accent-warm); font-size: 1.2rem;
}
.speedparse-recall-header p {
  color: var(--text-2);
}
.speedparse-question {
  margin-bottom: 20px;
}
.speedparse-q-text {
  color: var(--text-0); font-weight: 600;
  margin-bottom: 10px; font-size: 1rem;
}
.speedparse-q-options {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.speedparse-opt {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 16px;
  color: var(--text-1); cursor: pointer;
  font-size: 0.9rem; text-align: center;
  transition: all 0.2s ease;
}
.speedparse-opt:hover {
  border-color: var(--accent);
  background: rgba(201,168,76,0.06);
}
.speedparse-opt.selected {
  border-color: var(--accent);
  background: rgba(201,168,76,0.12);
  color: var(--accent);
  font-weight: 600;
}

/* ═══════════════════════════════════════
   AI VALIDATE (Hallucination Hunter)
   ═══════════════════════════════════════ */
.aivalidate-header {
  margin-bottom: 20px;
}
.aivalidate-header h3 {
  color: var(--accent); font-size: 1.2rem; margin-bottom: 8px;
}
.aivalidate-subtitle {
  color: var(--text-2); font-size: 0.9rem;
  border-left: 3px solid var(--accent-warm);
  padding-left: 12px; margin-top: 8px;
}
.aivalidate-code {
  border-color: rgba(201,168,76,0.3) !important;
  position: relative;
}
.aivalidate-code::before {
  content: "AI-GENERATED";
  position: absolute; top: -10px; right: 16px;
  background: var(--bg-0); color: var(--accent);
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 2px; padding: 2px 10px;
  border: 1px solid var(--accent);
  border-radius: 4px;
}
.challenge-hint {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 16px;
  color: var(--text-3); font-size: 0.85rem;
  cursor: pointer; margin: 12px 0;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
  max-height: 44px;
}
.challenge-hint::before {
  content: "💡 Hint (click to reveal)";
  font-weight: 600; color: var(--text-2);
}
.challenge-hint.open {
  max-height: 200px; color: var(--text-1);
  border-color: var(--accent);
}
.challenge-hint.open::before {
  content: "💡 Hint:";
  color: var(--accent);
}
.bug-number {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* Challenge type badges for new types */
.type-stroop { background: rgba(251,191,36,0.15); color: #fbbf24; }
.type-speedparse { background: rgba(96,165,250,0.15); color: #60a5fa; }
.type-aivalidate { background: rgba(167,139,250,0.15); color: #a78bfa; }

/* ══════════════════════════════════════════
   COGNITIVE RADAR CHART
   ══════════════════════════════════════════ */
.card-radar {
  grid-column: 1 / -1;
  background: var(--bg-2);
  border: 1px solid var(--gold-dim);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.card-radar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.radar-chart-wrapper {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 24px;
  align-items: center;
  min-height: 360px;
}
.radar-chart-wrapper canvas {
  display: block;
  margin: 0 auto;
}
.radar-legend {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.radar-legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-2);
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.2s;
}
.radar-legend-item:hover {
  background: rgba(201,168,76,0.06);
  border-color: var(--gold-dim);
}
.radar-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}
.radar-val {
  margin-left: auto;
  font-weight: 700;
  font-size: 12px;
  color: var(--gold);
  font-family: 'JetBrains Mono', monospace;
}

/* ══════════════════════════════════════════
   FILTER BAR ENHANCEMENTS
   ══════════════════════════════════════════ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 16px 0;
}
.filter-divider {
  color: rgba(255,255,255,0.12);
  font-size: 18px;
  margin: 0 4px;
  user-select: none;
}
.filter-chip {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-3);
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}
.filter-chip:hover {
  background: rgba(201,168,76,0.1);
  border-color: var(--gold-dim);
  color: var(--gold-light);
  transform: translateY(-1px);
}
.filter-chip.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #000;
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(201,168,76,0.3);
}
.filter-chip.filter-type {
  border-color: color-mix(in srgb, var(--type-color) 30%, transparent);
  color: var(--type-color, var(--text-3));
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.filter-chip.filter-type:hover {
  background: color-mix(in srgb, var(--type-color) 15%, transparent);
  border-color: var(--type-color);
}
.filter-chip.filter-type.active {
  background: var(--type-color);
  color: #000;
  border-color: transparent;
  box-shadow: 0 2px 12px color-mix(in srgb, var(--type-color) 40%, transparent);
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-3);
  font-size: 15px;
}
.empty-state::before {
  content: '🔍';
  display: block;
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

/* ══════════════════════════════════════════
   RESPONSIVE — RADAR
   ══════════════════════════════════════════ */
@media (max-width: 768px) {
  .radar-chart-wrapper {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .radar-legend {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .radar-legend-item {
    padding: 6px 10px;
    font-size: 11px;
  }
}



/* ── Difficulty Tier Badges ── */
.challenge-tier {
  font: 700 10px/1 'Inter', sans-serif;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid color-mix(in srgb, var(--tier-color, #06b6d4) 40%, transparent);
  color: var(--tier-color, #06b6d4);
  text-transform: uppercase;
}

/* ── Toast Animations ── */
@keyframes toast-in {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes toast-out {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}
#toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

/* ── VERITAS Labs Attribution Footer ── */
.veritas-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 0;
  background: linear-gradient(to top, rgba(10,10,15,0.85), rgba(10,10,15,0));
  border-top: 1px solid rgba(201,168,76,0.08);
  pointer-events: none;
  user-select: none;
}
.footer-omega {
  font-family: 'Georgia', serif;
  font-size: 0.72rem;
  color: #C9A84C;
  opacity: 0.6;
}
.footer-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}
.footer-text strong {
  font-weight: 600;
  color: rgba(201,168,76,0.45);
}

/* ── AUTHENTICATION TABS ── */
.auth-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 16px;
}
.auth-tabs .btn {
  flex: 1;
  border-color: transparent;
  color: rgba(255, 255, 255, 0.6);
  background: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  padding: 10px;
  cursor: pointer;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.auth-tabs .btn:hover {
  color: #C9A84C;
  border-color: rgba(201, 168, 76, 0.3);
  background: rgba(201, 168, 76, 0.05);
}
.auth-tabs .btn.active {
  color: #C9A84C;
  border-color: #C9A84C;
  background: rgba(201, 168, 76, 0.1);
  box-shadow: 0 4px 12px rgba(201, 168, 76, 0.15);
}

.onboard-form .form-group.hidden {
  display: none;
}