:root{--bg: #0b0f1a;--panel: #151b2b;--text: #e6e9f2;--muted: #9aa3b8;--accent: #4fb3ff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,sans-serif}.shell{max-width:960px;margin:0 auto;padding:24px 16px;min-width:0}h1{margin:0 0 8px;font-size:clamp(1.6rem,6vw,2.6rem)}.tagline{color:var(--accent);margin-top:0}footer{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:32px;color:var(--muted)}a{color:var(--accent)}select{background:var(--panel);color:var(--text);border:1px solid var(--muted);border-radius:6px;padding:4px 8px}img.sprite,image.sprite{image-rendering:pixelated}