/* ═══════════════════════════════════════════════
   AE Arena Design System
   Inspired by ui-skills: baseline-ui + emil-design-eng + frontend-design
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

/* ── Theme Variables ── */
:root {
  /* Dark theme (default) */
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-input: #0a0a0a;
  --bg-hover: #1a1a1a;
  --border: #222222;
  --border-hover: #333333;
  --text-primary: #e5e5e5;
  --text-secondary: #888888;
  --text-dim: #555555;
  --accent: #00ff88;
  --accent-hover: #00cc6e;
  --accent-bg: rgba(0,255,136,0.06);
  --accent-glow: rgba(0,255,136,0.2);
  --danger: #ff3c3c;
  --danger-bg: rgba(255,60,60,0.06);
  --danger-border: rgba(255,60,60,0.2);
  --warning: #ff9500;
  --success: #34c759;
  --overlay: rgba(10,10,10,0.95);
  --shadow: none;
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 8px;
}

[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-card: #ffffff;
  --bg-input: #f5f5f7;
  --bg-hover: #eaeaec;
  --border: #e0e0e2;
  --border-hover: #c8c8cc;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-dim: #999999;
  --accent: #00b35e;
  --accent-hover: #009a50;
  --accent-bg: rgba(0,179,94,0.06);
  --accent-glow: rgba(0,179,94,0.15);
  --danger: #e03030;
  --danger-bg: rgba(224,48,48,0.06);
  --danger-border: rgba(224,48,48,0.2);
  --warning: #e08500;
  --success: #28a745;
  --overlay: rgba(245,245,247,0.95);
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* ── Brutalist ── */
[data-theme="brutalist"] {
  --bg: #111111;
  --bg-card: #1a1a1a;
  --bg-input: #111111;
  --bg-hover: #252525;
  --border: #444444;
  --border-hover: #666666;
  --text-primary: #e8e8e8;
  --text-secondary: #aaaaaa;
  --text-dim: #777777;
  --accent: #ff6b2b;
  --accent-hover: #e05a20;
  --accent-bg: rgba(255,107,43,0.08);
  --accent-glow: rgba(255,107,43,0.25);
  --danger: #ff2b2b;
  --danger-bg: rgba(255,43,43,0.08);
  --danger-border: rgba(255,43,43,0.3);
  --warning: #ffaa00;
  --success: #00ff88;
  --overlay: rgba(17,17,17,0.95);
  --shadow: none;
  --font-ui: 'JetBrains Mono', 'SF Mono', monospace;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius: 0px;
  --radius-sm: 0px;
  --radius-xs: 0px;
}
[data-theme="brutalist"] .card { border-width: 2px; }
[data-theme="brutalist"] .btn { border-width: 2px; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.8rem; }
[data-theme="brutalist"] .group-btn { border-width: 2px; }
[data-theme="brutalist"] .toast { border-radius: 0; }

/* ── Soft ── */
[data-theme="soft"] {
  --bg: #faf8f5;
  --bg-card: #ffffff;
  --bg-input: #f5f2ee;
  --bg-hover: #f0ece6;
  --border: #e8e2d9;
  --border-hover: #d4ccc0;
  --text-primary: #2c2520;
  --text-secondary: #7a7068;
  --text-dim: #b0a898;
  --accent: #c06030;
  --accent-hover: #a85228;
  --accent-bg: rgba(192,96,48,0.06);
  --accent-glow: rgba(192,96,48,0.12);
  --danger: #c04030;
  --danger-bg: rgba(192,64,48,0.06);
  --danger-border: rgba(192,64,48,0.2);
  --warning: #d08820;
  --success: #5a9a50;
  --overlay: rgba(250,248,245,0.95);
  --shadow: 0 2px 8px rgba(60,40,20,0.06);
  --font-ui: 'Inter', system-ui, sans-serif;
  --radius: 18px;
  --radius-sm: 14px;
  --radius-xs: 10px;
}
[data-theme="soft"] .card { border: none; box-shadow: 0 2px 12px rgba(60,40,20,0.06); }
[data-theme="soft"] .btn { border-radius: 50px; }
[data-theme="soft"] .btn-primary { color: #fff; }
[data-theme="soft"] .group-btn { border-radius: 14px; }
[data-theme="soft"] .toast { border-radius: 50px; }
[data-theme="soft"] input, [data-theme="soft"] textarea { border-radius: 14px; }

/* ── Swiss ── */
[data-theme="swiss"] {
  --bg: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #fafafa;
  --bg-hover: #f5f5f5;
  --border: #000000;
  --border-hover: #333333;
  --text-primary: #000000;
  --text-secondary: #555555;
  --text-dim: #999999;
  --accent: #000000;
  --accent-hover: #333333;
  --accent-bg: rgba(0,0,0,0.04);
  --accent-glow: rgba(0,0,0,0.08);
  --danger: #cc0000;
  --danger-bg: rgba(204,0,0,0.04);
  --danger-border: rgba(204,0,0,0.3);
  --warning: #cc8800;
  --success: #008800;
  --overlay: rgba(255,255,255,0.95);
  --shadow: none;
  --font-ui: 'Helvetica Neue', 'Arial', sans-serif;
  --font-mono: 'SF Mono', 'Menlo', monospace;
  --radius: 2px;
  --radius-sm: 2px;
  --radius-xs: 2px;
}
[data-theme="swiss"] .card { border-width: 1px; }
[data-theme="swiss"] .btn-primary { color: #ffffff; }
[data-theme="swiss"] .btn { border-radius: 2px; letter-spacing: 0.02em; }
[data-theme="swiss"] .group-btn { border-radius: 2px; }
[data-theme="swiss"] .toast { border-radius: 2px; }
[data-theme="swiss"] .timer-display { font-family: 'Helvetica Neue', 'Arial', sans-serif; font-weight: 200; letter-spacing: -0.04em; }
[data-theme="swiss"] input, [data-theme="swiss"] textarea { border-radius: 2px; }

/* ── Base ── */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { overscroll-behavior: none; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  transition: background-color 200ms var(--ease-out), color 200ms var(--ease-out);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

/* ── Typography ── */
h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; text-balance: balance; }
h2 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; text-balance: balance; }
h3 { font-size: 1rem; font-weight: 600; }
.text-dim { color: var(--text-dim); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-mono { font-family: var(--font-mono); }
.tabular-nums { font-variant-numeric: tabular-nums; }

/* ── Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 12px 0;
  box-shadow: var(--shadow);
  transition: border-color 150ms var(--ease-out), background-color 200ms var(--ease-out);
}
.card:hover { border-color: var(--border-hover); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: transform 100ms var(--ease-out), background-color 150ms var(--ease-out), border-color 150ms var(--ease-out), opacity 150ms;
  -webkit-user-select: none;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:active { transform: none; }

.btn-primary { background: var(--accent); color: #0a0a0a; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }

.btn-danger { background: transparent; border: 1.5px solid var(--danger-border); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }

.btn-sm { padding: 8px 16px; font-size: 0.8rem; border-radius: var(--radius-xs); }
.btn-full { width: 100%; }
.btn-icon { padding: 10px; }

/* ── Inputs ── */
input[type="text"], input[type="password"], input[type="number"], input[type="email"],
textarea, select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-ui);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: border-color 150ms var(--ease-out);
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
input::placeholder, textarea::placeholder { color: var(--text-dim); }
textarea { resize: vertical; min-height: 100px; }
input[type="number"] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ── Group Picker ── */
.group-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0; }
.group-btn {
  padding: 16px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 150ms var(--ease-out);
  font-family: var(--font-ui);
}
.group-btn:active { transform: scale(0.95); }
.group-btn.selected { border-color: var(--accent); background: var(--accent-bg); color: var(--accent); }

/* ── Score Card ── */
.score-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 8px 0;
}
.score-num { font-size: 2.5rem; font-weight: 900; color: var(--accent); font-family: var(--font-mono); tabular-nums: tabular-nums; }
.score-label { font-size: 0.8rem; color: var(--text-dim); }
.score-breakdown { display: flex; gap: 16px; margin-top: 8px; }
.score-item { text-align: center; }
.score-item .num { font-size: 1.2rem; font-weight: 700; font-family: var(--font-mono); tabular-nums: tabular-nums; }
.score-item .label { font-size: 0.7rem; color: var(--text-dim); }

.comment { margin-top: 8px; font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tag {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0a0a0a;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 200;
  opacity: 0;
  transition: opacity 200ms var(--ease-out);
  pointer-events: none;
  white-space: nowrap;
}
.toast.show { opacity: 1; }

/* ── Lock-in Overlay ── */
.lockin-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--overlay);
  z-index: 100;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
}
.lockin-overlay .lock-text {
  font-size: 3rem;
  font-weight: 900;
  color: var(--warning);
  letter-spacing: 6px;
  animation: pulse 1s infinite;
}
.lockin-overlay .lock-sub { font-size: 1.1rem; color: var(--text-secondary); }

/* ── Timer ── */
.timer-display {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  text-align: center;
  tabular-nums: tabular-nums;
}
.timer-hint { font-size: 0.75rem; color: var(--text-dim); text-align: center; }
.timer-label { font-size: 0.8rem; color: var(--text-dim); text-align: center; }

/* ── Progress Bar ── */
.progress-bar {
  height: 4px;
  width: 100%;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin: 8px 0;
}
.progress-bar .fill {
  height: 100%;
  border-radius: 2px;
  transition: width 300ms linear;
}

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.section-num {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.section-line { flex: 1; height: 1px; background: var(--border); }
.section-title { font-size: 0.7rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }

/* ── Role Buttons ── */
.role-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: all 150ms var(--ease-out);
  font-family: var(--font-ui);
}
.role-btn:active { transform: scale(0.97); }
.role-btn:hover { border-color: var(--accent); background: var(--accent-bg); }
.role-btn .role-sub { font-size: 0.75rem; color: var(--text-dim); font-weight: 400; }

/* ── Leaderboard ── */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.lb-table td {
  padding: 12px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.lb-table tr:last-child td { border-bottom: none; }
.lb-rank { font-family: var(--font-mono); font-weight: 700; color: var(--text-dim); }
.lb-rank.first { color: var(--accent); }
.lb-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.6rem;
  font-weight: 700;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
  margin-left: 8px;
}
.lb-trend-up { color: var(--success); }
.lb-trend-down { color: var(--danger); }
.lb-trend-flat { color: var(--text-dim); }

/* ── QR ── */
.qr-section { text-align: center; padding: 16px 0; }
.qr-section .qr-label { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 8px; }
.qr-section .qr-url { font-size: 0.7rem; color: var(--text-dim); margin-top: 6px; font-family: var(--font-mono); }

/* ── Admin Badge ── */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.admin-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── Theme Toggle ── */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 150ms var(--ease-out);
  font-size: 1.1rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle:active { transform: scale(0.93); }

/* ── Utility ── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

/* ── Animation ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.stagger-in {
  animation: fadeIn 300ms var(--ease-out) both;
}
.stagger-in:nth-child(1) { animation-delay: 0ms; }
.stagger-in:nth-child(2) { animation-delay: 80ms; }
.stagger-in:nth-child(3) { animation-delay: 160ms; }
.stagger-in:nth-child(4) { animation-delay: 240ms; }
.stagger-in:nth-child(5) { animation-delay: 320ms; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .container { padding: 16px; }
  h1 { font-size: 1.3rem; }
  .group-picker { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .timer-display { font-size: 1.8rem; }
  .score-num { font-size: 2rem; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}