*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    :root {
      --fg: #1a1a1a;
      --fg-dim: #6b6b6b;
      --bg: #f8f7f4;
      --border: #e0ded8;
      --accent: #2d2d2d;
    }
    @media (prefers-color-scheme: dark) {
      :root { --fg: #e2e8f0; --fg-dim: #94a3b8; --bg: #0d1117; --border: #2d3748; --accent: #e2e8f0; }
    }
    body {
      font-family: 'DM Mono', monospace;
      background: var(--bg);
      color: var(--fg);
      min-height: 100dvh;
      display: flex;
      flex-direction: column;
      align-items: center;
      -webkit-font-smoothing: antialiased;
    }
    nav {
      width: 100%;
      max-width: 820px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.9rem 1rem;
      font-size: 0.75rem;
    }
    nav a { color: var(--fg-dim); text-decoration: none; letter-spacing: 0.04em; }
    nav a:hover { color: var(--fg); }
    nav .title { color: var(--fg); letter-spacing: 0.06em; }
    nav .nav-games a { border-bottom: 1px solid var(--border); transition: all 0.15s; }
    nav .nav-games a:hover { border-color: var(--accent); }
    .wrap {
      width: 100%;
      max-width: 820px;
      padding: 0 1rem 2rem;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .canvas-container {
      width: 100%;
      max-width: 480px;
      position: relative;
    }
    canvas {
      display: block;
      width: 100%;
      height: auto;
      border-radius: 3px;
      cursor: none;
    }
    .hud {
      display: flex;
      justify-content: space-between;
      width: 100%;
      max-width: 480px;
      font-size: 0.7rem;
      color: var(--fg-dim);
      margin-top: 0.4rem;
      letter-spacing: 0.04em;
    }
    .name-entry {
      margin-top: 0.6rem;
      display: none;
      gap: 0.4rem;
      justify-content: flex-start;
      align-items: center;
    }
    .name-entry.show { display: flex; }
    .name-entry input {
      font-family: 'DM Mono', monospace;
      font-size: 0.75rem;
      color: var(--fg);
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 2px;
      padding: 0.3rem 0.6rem;
      width: 130px;
      outline: none;
    }
    .name-entry input:focus { border-color: var(--accent); }
    .name-entry button {
      font-family: 'DM Mono', monospace;
      font-size: 0.75rem;
      color: var(--fg-dim);
      background: none;
      border: 1px solid var(--border);
      border-radius: 2px;
      padding: 0.3rem 0.6rem;
      cursor: pointer;
      transition: all 0.15s;
    }
    .name-entry button:hover { color: var(--fg); border-color: var(--accent); }
    .name-err {
      font-family: 'DM Mono', monospace;
      font-size: 0.65rem;
      color: #c0392b;
      margin-top: 0.25rem;
      min-height: 1em;
    }
    .scoreboard {
      margin-top: 1.5rem;
      width: 100%;
      max-width: 480px;
    }
    .scoreboard-title {
      font-family: 'DM Mono', monospace;
      font-size: 0.7rem;
      color: var(--fg-dim);
      letter-spacing: 0.06em;
      margin-bottom: 0.5rem;
    }
    .scoreboard table {
      width: 100%;
      border-collapse: collapse;
      font-family: 'DM Mono', monospace;
      font-size: 0.7rem;
    }
    .scoreboard td {
      padding: 0.2rem 0.4rem;
      color: var(--fg-dim);
    }
    .scoreboard td:first-child { color: var(--fg); width: 1.5rem; text-align: right; padding-right: 0.75rem; }
    .scoreboard td:nth-child(2) { color: var(--fg); }
    .scoreboard td:last-child { text-align: right; }
    .scoreboard tr.me td { color: var(--fg); }
    .scoreboard-empty {
      font-family: 'DM Mono', monospace;
      font-size: 0.7rem;
      color: var(--fg-dim);
      font-style: italic;
    }
    .touch-zone {
      display: none;
      width: 100%;
      max-width: 480px;
      height: 72px;
      touch-action: none;
      user-select: none;
      cursor: none;
    }
    @media (hover: none), (pointer: coarse) {
      .touch-zone { display: block; }
    }