@import url('/uniform-theme.css');
    /* Keep cyber defaults local to non-Pro mode.
       In Pro mode, values come from pro-theme.css. */
    :root:not([data-style="pro"]) {
      --bg-dark: #0a0a0f;
      --bg-card: #12121a;
      --bg-buffer: #1a1a2e;
      --neon-cyan: #00f5ff;
      --neon-pink: #ff00aa;
      --neon-green: #39ff14;
      --neon-yellow: #fff01f;
      --neon-orange: #ff6b35;
      --neon-purple: #bf00ff;
      --neon-blue: #0080ff;
      --neon-red: #ff3333;
      --text-primary: #e0e0e0;
      --text-muted: #6a6a7a;
      --vim-statusline: #1e1e2e;
    }

    * { margin:0; padding:0; box-sizing:border-box; }
    body {
      font-family: 'JetBrains Mono', monospace;
      background: var(--bg-dark);
      min-height: 100vh;
      color: var(--text-primary);
      overflow-x: hidden;
    }

    .grid-bg {
      position: fixed; inset: 0;
      background-image:
        linear-gradient(rgba(0,245,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,245,255,0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      z-index: 0;
    }
    .orb { position: fixed; border-radius: 50%; filter: blur(80px); opacity: 0.3; z-index: 0; }
    .orb-1 { width: 400px; height: 400px; background: var(--neon-green); top: -100px; left: -100px; }
    .orb-2 { width: 300px; height: 300px; background: var(--neon-purple); bottom: -50px; right: -50px; }

    /* Screens */
    .screen { display:none; position: relative; z-index: 10; min-height: 100vh; }
    .screen.active { display:block; }

    /* Back home */
    .back-home {
      position: fixed; top: 20px; left: 20px; z-index: 50;
      background: var(--bg-card); border: 1px solid rgba(255,255,255,0.1);
      color: var(--text-muted); padding: 8px 16px; border-radius: 8px;
      text-decoration: none; font-size: 0.8rem; transition: all 0.2s;
    }
    .back-home:hover { border-color: var(--neon-green); color: var(--neon-green); }

    /* MENU */
    #menu-screen { padding: 40px 20px; }
    #menu-screen .container { max-width: 1100px; margin: 0 auto; }
    .header { text-align: center; margin-bottom: 40px; padding-top: 30px; }
    .logo {
      font-family: 'Orbitron', sans-serif;
      font-size: 3rem; font-weight: 900;
      background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-cyan) 50%, var(--neon-green) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      letter-spacing: 3px;
    }
    .logo-sub {
      font-family: 'Orbitron', sans-serif;
      font-size: 1rem; color: var(--neon-green);
      margin-top: 5px; letter-spacing: 6px; opacity: 0.7;
    }
    .subtitle {
      font-size: 0.85rem; color: var(--text-muted);
      margin-top: 15px; letter-spacing: 4px; text-transform: uppercase;
    }

    .stats-bar {
      display:flex; justify-content:center; gap: 30px; margin: 26px 0 22px;
      flex-wrap: wrap;
    }
    .stat-item {
      background: var(--bg-card);
      border: 1px solid rgba(57,255,20,0.15);
      border-radius: 12px;
      padding: 15px 25px;
      text-align:center;
      min-width: 140px;
      position: relative;
      overflow: hidden;
    }
    .stat-item.pulse::after {
      content:'';
      position:absolute; inset:-2px;
      border: 1px solid rgba(57,255,20,0.55);
      border-radius: 14px;
      animation: statPulse 0.55s ease-out 1;
    }
    @keyframes statPulse {
      0% { transform: scale(0.98); opacity: 0.0; }
      20% { opacity: 1; }
      100% { transform: scale(1.03); opacity: 0; }
    }
    .stat-value {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.8rem; color: var(--neon-green);
    }
    .stat-label {
      font-size: 0.7rem; color: var(--text-muted);
      text-transform: uppercase; letter-spacing: 2px; margin-top: 5px;
    }

    .tab-bar {
      display:flex; gap:0;
      margin-bottom: 18px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .tab-btn {
      background:none; border:none;
      color: var(--text-muted);
      padding: 12px 24px;
      font-family: 'Orbitron', sans-serif;
      font-size: 0.8rem; cursor:pointer;
      border-bottom: 2px solid transparent;
      transition: all 0.2s;
    }
    .tab-btn.active { color: var(--neon-green); border-bottom-color: var(--neon-green); }
    .tab-btn:hover { color: var(--text-primary); }

    .quick-actions {
      display:flex; gap: 12px; flex-wrap: wrap;
      margin: 10px 0 16px;
      justify-content: center;
      align-items: center;
    }

    .random-group {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(57,255,20,0.04);
      border: 1px solid rgba(57,255,20,0.18);
      border-radius: 12px;
      padding: 9px 14px;
      flex-wrap: wrap;
    }
    .random-group-label {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--neon-green);
      white-space: nowrap;
      letter-spacing: 0.5px;
    }
    .random-pills {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }
    .btn-pill {
      padding: 5px 12px;
      font-size: 0.78rem;
      border-radius: 7px;
      background: rgba(255,255,255,0.04);
      color: var(--text-muted);
      border: 1px solid rgba(255,255,255,0.08);
      font-family: 'JetBrains Mono', monospace;
      cursor: pointer;
      transition: all 0.2s;
      user-select: none;
    }
    .btn-pill:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.22); transform: translateY(-1px); }
    .btn-pill-1 { color: #39ff14; border-color: rgba(57,255,20,0.22); background: rgba(57,255,20,0.05); }
    .btn-pill-1:hover { border-color: rgba(57,255,20,0.55); box-shadow: 0 0 10px rgba(57,255,20,0.15); }
    .btn-pill-2 { color: #fff01f; border-color: rgba(255,240,31,0.22); background: rgba(255,240,31,0.05); }
    .btn-pill-2:hover { border-color: rgba(255,240,31,0.55); box-shadow: 0 0 10px rgba(255,240,31,0.15); }
    .btn-pill-3 { color: #bf00ff; border-color: rgba(191,0,255,0.22); background: rgba(191,0,255,0.05); }
    .btn-pill-3:hover { border-color: rgba(191,0,255,0.55); box-shadow: 0 0 10px rgba(191,0,255,0.15); }
    .btn-pill.active {
      transform: translateY(-1px);
      color: var(--text-primary);
      border-color: var(--neon-green);
      box-shadow: 0 0 14px rgba(57,255,20,0.16);
    }

    .btn {
      font-family: 'JetBrains Mono', monospace;
      padding: 10px 18px;
      border-radius: 10px;
      cursor:pointer;
      font-size: 0.85rem;
      border: none;
      transition: all 0.2s;
      user-select: none;
    }
    .btn-primary { background: var(--neon-green); color: var(--bg-dark); font-weight: 700; }
    .btn-primary:hover { box-shadow: 0 0 20px rgba(57,255,20,0.3); transform: translateY(-2px); }
    .btn-secondary {
      background: rgba(255,255,255,0.05);
      color: var(--text-primary);
      border: 1px solid rgba(255,255,255,0.1);
    }
    .btn-secondary:hover { border-color: var(--neon-green); color: var(--neon-green); }
    .btn-danger {
      background: rgba(255,51,51,0.08);
      color: var(--neon-red);
      border: 1px solid rgba(255,51,51,0.25);
    }
    .btn-danger:hover {
      border-color: var(--neon-red);
      box-shadow: 0 0 14px rgba(255,51,51,0.18);
      transform: translateY(-1px);
    }

    .categories-grid {
      display:grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 18px;
    }
    .cat-card {
      background: var(--bg-card);
      border: 1px solid rgba(255,255,255,0.05);
      border-radius: 16px;
      padding: 22px;
      cursor:pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow:hidden;
    }
    .cat-card::before {
      content:'';
      position:absolute; top:0; left:0; right:0; height: 3px;
      background: var(--cat-color, var(--neon-green));
      transform: scaleX(0);
      transition: transform 0.3s;
    }
    .cat-card:hover {
      transform: translateY(-5px);
      border-color: var(--cat-color, var(--neon-green));
      box-shadow: 0 15px 30px rgba(0,0,0,0.3),
        0 0 20px color-mix(in srgb, var(--cat-color, var(--neon-green)) 15%, transparent);
    }
    .cat-card:hover::before { transform: scaleX(1); }
    .cat-card.locked { opacity: 0.4; cursor: not-allowed; }
    .cat-card.locked:hover { transform:none; box-shadow:none; }

    .cat-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
    .cat-icon { font-size: 2rem; }
    .cat-badge {
      padding: 3px 10px;
      border-radius: 20px;
      font-size: 0.65rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      background: rgba(255,255,255,0.05);
      color: var(--cat-color, var(--neon-green));
    }
    .cat-title { font-family:'Orbitron', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom:6px; }
    .cat-desc { font-size: 0.8rem; color: var(--text-muted); line-height:1.5; margin-bottom: 15px; }
    .cat-progress-bar { height: 4px; background: rgba(255,255,255,0.05); border-radius: 2px; overflow:hidden; }
    .cat-progress-fill { height:100%; background: var(--cat-color, var(--neon-green)); border-radius:2px; transition: width 0.5s ease; }
    .cat-progress-text { font-size: 0.7rem; color: var(--text-muted); margin-top: 6px; text-align:right; }

    /* GAME */
    #game-screen {
      padding: 15px;
      display: flex;
      flex-direction: column;
      height: 100vh;
      gap: 10px;
    }
    .game-top-bar {
      display:flex; justify-content: space-between; align-items: center;
      padding: 10px 15px;
      background: var(--bg-card);
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.05);
      flex-shrink: 0;
      gap: 12px;
    }
    .top-left, .top-right { display:flex; align-items:center; gap: 10px; }
    .back-btn {
      background:none;
      border: 1px solid rgba(255,255,255,0.15);
      color: var(--text-muted);
      padding: 6px 14px;
      border-radius: 8px;
      cursor:pointer;
      font-family: inherit;
      font-size: 0.8rem;
      transition: all 0.2s;
    }
    .back-btn:hover { border-color: var(--neon-green); color: var(--neon-green); }

    .game-cat-title { font-family: 'Orbitron', sans-serif; font-size: 0.9rem; color: var(--neon-green); }
    .game-mission-counter { font-size: 0.8rem; color: var(--text-muted); }
    .hud {
      display:flex; gap: 12px; align-items:center;
      color: var(--text-muted);
      font-size: 0.8rem;
      white-space: nowrap;
    }
    .hud b { color: var(--neon-green); font-family: 'Orbitron', sans-serif; font-weight: 800; }

    .mission-panel {
      background: var(--bg-card);
      border-radius: 12px;
      padding: 16px 18px;
      border: 1px solid rgba(57,255,20,0.15);
      flex-shrink: 0;
    }
    .mission-title {
      font-family:'Orbitron', sans-serif;
      font-size: 0.95rem;
      color: var(--neon-green);
      margin-bottom: 8px;
    }
    .mission-desc { font-size: 0.85rem; color: var(--text-primary); line-height: 1.6; }
    .mission-desc code {
      background: rgba(57,255,20,0.1);
      color: var(--neon-green);
      padding: 2px 7px;
      border-radius: 4px;
      font-size: 0.85rem;
      border: 1px solid rgba(57,255,20,0.2);
    }
    .hint-toggle-btn {
      margin-top: 10px;
      padding: 6px 12px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.04);
      color: var(--text-muted);
      font-family: inherit;
      font-size: 0.76rem;
      cursor: pointer;
      transition: all 0.2s;
    }
    .hint-toggle-btn:hover {
      color: var(--text-primary);
      border-color: rgba(57,255,20,0.32);
    }
    .mission-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 8px; font-style: italic; }
    .mission-hint.is-hidden { display: none; }

    .sandbox-hint {
      padding: 10px 15px;
      background: rgba(57,255,20,0.05);
      border: 1px solid rgba(57,255,20,0.1);
      border-radius: 8px;
      font-size: 0.75rem;
      color: var(--text-muted);
      flex-shrink: 0;
    }

    /* Vim buffer */
    .vim-container {
      flex: 1;
      display:flex;
      flex-direction: column;
      background: var(--bg-buffer);
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,0.08);
      overflow:hidden;
      min-height: 0;
      outline: none;
    }
    .vim-titlebar {
      display:flex; align-items:center; gap: 8px;
      padding: 6px 12px;
      background: rgba(255,255,255,0.03);
      border-bottom: 1px solid rgba(255,255,255,0.05);
      flex-shrink: 0;
    }
    .vim-dot { width:10px; height:10px; border-radius: 50%; }
    .vim-dot.r { background:#ff5f57; }
    .vim-dot.y { background:#febc2e; }
    .vim-dot.g { background:#28c840; }
    .vim-filename { margin-left:10px; font-size: 0.75rem; color: var(--text-muted); }

    .vim-buffer-wrap { flex: 1; overflow-y: auto; padding: 0; position: relative; font-size: 15px; line-height: 1.6; }
    .vim-line { display:flex; padding: 0 8px; min-height: 1.6em; white-space: pre; }
    .vim-line.current-line { background: rgba(255,255,255,0.03); }
    .vim-linenum {
      width: 40px; text-align:right; padding-right: 12px;
      color: rgba(255,255,255,0.15); user-select:none; flex-shrink:0;
    }
    .vim-linenum.active { color: var(--neon-green); }
    .vim-line-content { flex: 1; position: relative; }

    .vim-cursor-block { background: var(--neon-green); color: var(--bg-dark); animation: cursorBlink 1s step-end infinite; }
    .vim-cursor-line { border-left: 2px solid var(--neon-green); animation: cursorBlink 1s step-end infinite; }
    @keyframes cursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
    .vim-visual-highlight { background: rgba(57,255,20,0.2); }

    .vim-statusline {
      display:flex; justify-content: space-between; align-items:center;
      padding: 4px 12px;
      background: var(--vim-statusline);
      border-top: 1px solid rgba(255,255,255,0.08);
      flex-shrink: 0;
      font-size: 0.8rem;
      min-height: 28px;
    }
    .vim-mode-indicator { font-weight: 700; padding: 1px 10px; border-radius: 3px; }
    .vim-mode-normal { background: rgba(57,255,20,0.2); color: var(--neon-green); }
    .vim-mode-insert { background: rgba(0,128,255,0.2); color: var(--neon-blue); }
    .vim-mode-visual { background: rgba(191,0,255,0.2); color: var(--neon-purple); }
    .vim-mode-command { background: rgba(255,106,53,0.2); color: var(--neon-orange); }
    .vim-pos { color: var(--text-muted); }

    .vim-cmdline {
      display:flex; align-items:center;
      padding: 4px 12px;
      background: rgba(0,0,0,0.3);
      border-top: 1px solid rgba(255,255,255,0.08);
      font-size: 0.8rem;
      flex-shrink: 0;
      min-height: 28px;
    }
    .vim-cmdline-text { color: var(--neon-orange); }
    .vim-message { color: var(--text-muted); font-style: italic; }

    /* Completion bar (non-blocking) */
    .completion-bar {
      position: fixed;
      left: 12px; right: 12px; bottom: 12px;
      z-index: 120;
      background: rgba(18,18,26,0.96);
      border: 1px solid rgba(57,255,20,0.22);
      border-radius: 14px;
      padding: 12px 14px;
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      box-shadow: 0 18px 30px rgba(0,0,0,0.35);
      animation: slideUp 0.25s ease-out 1;
      backdrop-filter: blur(8px);
    }
    @keyframes slideUp {
      from { transform: translateY(10px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    .completion-left {
      display:flex; align-items: baseline; gap: 10px;
      font-size: 0.85rem;
      color: var(--text-primary);
      flex-wrap: wrap;
    }
    .completion-left .xp {
      font-family:'Orbitron', sans-serif;
      color: var(--neon-green);
      letter-spacing: 1px;
    }
    .completion-actions {
      display:flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end;
    }

    /* Toast (tiny, non-modal) */
    .toast {
      position: fixed;
      top: 68px; right: 18px;
      z-index: 130;
      background: rgba(18,18,26,0.95);
      border: 1px solid rgba(255,255,255,0.10);
      color: var(--text-primary);
      padding: 10px 12px;
      border-radius: 12px;
      font-size: 0.8rem;
      max-width: 360px;
      display:none;
      box-shadow: 0 18px 30px rgba(0,0,0,0.35);
      backdrop-filter: blur(8px);
    }
    .toast.show { display:block; animation: toastIn 0.22s ease-out 1; }
    @keyframes toastIn {
      from { transform: translateY(-6px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }
    .toast .t-strong { color: var(--neon-green); font-family:'Orbitron', sans-serif; }

    /* Confetti particles */
    .confetti-layer {
      pointer-events: none;
      position: fixed;
      inset: 0;
      z-index: 125;
      overflow: hidden;
    }
    .confetti {
      position: absolute;
      width: 8px;
      height: 14px;
      border-radius: 2px;
      opacity: 0.9;
      transform: translateY(0) rotate(0deg);
      animation: confettiFall 900ms linear forwards;
      filter: drop-shadow(0 0 10px rgba(57,255,20,0.15));
    }
    @keyframes confettiFall {
      0% { transform: translateY(-10px) rotate(0deg); opacity: 0.0; }
      10% { opacity: 1; }
      100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
    }

    /* Cheatsheet */
    .cheatsheet-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 15px;
      padding: 20px 0;
    }
    .cheat-group {
      background: var(--bg-card);
      border-radius: 12px;
      padding: 18px;
      border: 1px solid rgba(255,255,255,0.05);
    }
    .cheat-group-title {
      font-family: 'Orbitron', sans-serif;
      font-size: 0.8rem;
      color: var(--neon-green);
      margin-bottom: 12px;
    }
    .cheat-item {
      display:flex; justify-content: space-between;
      padding: 4px 0;
      font-size: 0.8rem;
      gap: 12px;
    }
    .cheat-key { color: var(--neon-cyan); }
    .cheat-action { color: var(--text-muted); text-align:right; }

    /* Scrollbar */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

    /* Responsive */
    @media (max-width: 768px) {
      .logo { font-size: 2rem; }
      .categories-grid { grid-template-columns: 1fr; }
      .stats-bar { gap: 12px; }
      .stat-item { min-width: 100px; padding: 10px 15px; }
      .stat-value { font-size: 1.3rem; }
      .hud { display:none; }
    }