:root {
    --bg: #0a0a0f;
    --surface: #13131a;
    --card: #1c1c28;
    --accent1: #ff3c6e;
    --accent2: #ffb800;
    --accent3: #00e5ff;
    --text: #f0f0f5;
    --muted: #6b6b80;
    --radius: 20px;
  }

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

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Mulish', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* Ambient background */
  body::before {
    content: '';
    position: fixed;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255,60,110,0.12) 0%, transparent 70%);
    top: -200px; right: -200px;
    pointer-events: none;
    z-index: 0;
  }
  body::after {
    content: '';
    position: fixed;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
    bottom: -100px; left: -100px;
    pointer-events: none;
    z-index: 0;
  }

  .container {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 20px 60px;
  }

  /* Header */
  header {
    text-align: center;
    padding: 32px 0 40px;
  }

  .logo {
    font-family: 'Unbounded', sans-serif;
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .tagline {
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 6px;
  }

  /* Mode selector */
  .modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 28px;
  }

  .mode-btn {
    background: var(--card);
    border: 2px solid transparent;
    border-radius: var(--radius);
    padding: 16px 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .mode-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.25s;
    border-radius: var(--radius);
  }

  .mode-btn.tod::before  { background: linear-gradient(135deg, rgba(255,60,110,0.15), transparent); }
  .mode-btn.nhi::before  { background: linear-gradient(135deg, rgba(0,229,255,0.15), transparent); }
  .mode-btn.dare::before { background: linear-gradient(135deg, rgba(255,184,0,0.15), transparent); }
  .mode-btn.hot::before  { background: linear-gradient(135deg, rgba(180,0,255,0.15), transparent); }

  .mode-btn.active { border-color: var(--accent-color, var(--accent1)); }
  .mode-btn.active::before { opacity: 1; }

  .mode-btn[data-mode="tod"]  { --accent-color: var(--accent1); }
  .mode-btn[data-mode="nhi"]  { --accent-color: var(--accent3); }
  .mode-btn[data-mode="dare"] { --accent-color: var(--accent2); }
  .mode-btn[data-mode="hot"]  { --accent-color: #c400ff; }

  .mode-emoji { font-size: 28px; display: block; margin-bottom: 6px; }

  .mode-label {
    font-family: 'Unbounded', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text);
  }

  /* Card area */
  .card-area {
    position: relative;
    min-height: 280px;
    margin-bottom: 24px;
  }

  .game-card {
    background: var(--card);
    border-radius: 24px;
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s ease;
  }

  .card-glow {
    position: absolute;
    width: 200px; height: 200px;
    border-radius: 50%;
    top: -60px; right: -60px;
    opacity: 0.25;
    filter: blur(40px);
    transition: background 0.4s;
  }

  .card-type-badge {
    font-family: 'Unbounded', sans-serif;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
    font-weight: 700;
    border: 1px solid currentColor;
    opacity: 0.9;
  }

  .card-text {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.45;
    color: var(--text);
    position: relative;
    z-index: 1;
  }

  .card-placeholder {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.6;
  }

  .card-placeholder .big-emoji {
    font-size: 56px;
    display: block;
    margin-bottom: 16px;
  }

  /* Spin button */
  .spin-btn {
    width: 100%;
    padding: 20px;
    border: none;
    border-radius: var(--radius);
    font-family: 'Unbounded', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    background: linear-gradient(135deg, var(--accent1), #ff6b35);
    color: white;
    box-shadow: 0 8px 32px rgba(255,60,110,0.35);
    text-transform: uppercase;
  }

  .spin-btn:active { transform: scale(0.97); }

  .spin-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  }

  /* Category filter */
  .filters {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }

  .filter-chip {
    padding: 7px 14px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.12);
    background: transparent;
    color: var(--muted);
    font-family: 'Mulish', sans-serif;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .filter-chip.active {
    background: var(--accent1);
    border-color: var(--accent1);
    color: white;
  }

  /* Stats */
  .stats-row {
    display: flex;
    gap: 10px;
    margin-top: 24px;
  }

  .stat-box {
    flex: 1;
    background: var(--card);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
  }

  .stat-num {
    font-family: 'Unbounded', sans-serif;
    font-size: 24px;
    font-weight: 900;
    color: var(--accent1);
  }

  .stat-label {
    font-size: 11px;
    color: var(--muted);
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  /* Animations */
  @keyframes cardIn {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }

  @keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
  }

  .card-animate { animation: cardIn 0.35s cubic-bezier(.34,1.56,.64,1) forwards; }
  .spin-btn:hover { animation: pulse 0.6s ease infinite; }

  /* shake on spin */
  @keyframes shake {
    0%,100% { transform: rotate(0deg); }
    20% { transform: rotate(-3deg); }
    40% { transform: rotate(3deg); }
    60% { transform: rotate(-2deg); }
    80% { transform: rotate(2deg); }
  }
  .shaking { animation: shake 0.4s ease; }

  .divider {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 28px 0;
  }

  .section-title {
    font-family: 'Unbounded', sans-serif;
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  /* ── AdSense blocks ── */
  .ad-block {
    width: 100%;
    margin: 16px 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--card);
    border: 1px solid rgba(255,255,255,0.04);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    opacity: 0.85;
  }

  .ad-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    pointer-events: none;
  }
  .ad-placeholder span {
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
  }
  .ad-placeholder .ad-icon { font-size: 14px; opacity: 0.35; }
  .ad-block ins.adsbygoogle[data-ad-status="filled"] ~ .ad-placeholder { display: none; }
  .ad-block ins.adsbygoogle { display: block; width: 100%; }