*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    :root { --fg: #1a1a1a; --fg-dim: #6b6b6b; --bg: #f8f7f4; --border: #e0ded8; --accent: #2d2d2d; }
    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: pointer; }
    .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; }
    @media (prefers-color-scheme: dark) {
      :root { --fg: #e2e8f0; --fg-dim: #94a3b8; --bg: #0d1117; --border: #2d3748; --accent: #e2e8f0; }
    }