:root{--sn-bg: #0b0e14;--sn-surface: #141926;--sn-text: #e6e9f0;--sn-muted: #8b93a7;--sn-accent: #6ee7ff;--sn-danger: #ff8a8a;--sn-max-width: 52rem}*{box-sizing:border-box}body{margin:0;background:var(--sn-bg);color:var(--sn-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}.sn-header,.sn-main{max-width:var(--sn-max-width);margin:0 auto;padding:0 1.25rem}.sn-header{padding-top:1.25rem}.sn-header h1{margin:.75rem 0 .25rem;font-size:2rem;letter-spacing:-.02em}.sn-back-link{color:var(--sn-muted);text-decoration:none;font-size:.9rem}.sn-back-link:hover{color:var(--sn-accent)}.sn-tagline{margin:0 0 1.5rem;color:var(--sn-muted)}.sn-main{padding-bottom:4rem}.sn-card{background:var(--sn-surface);border-radius:12px;padding:1.25rem 1.5rem;margin:1rem 0}.sn-failure h2{margin-top:0;color:var(--sn-danger)}.sn-failure-detail{color:var(--sn-muted);font-size:.8rem;white-space:pre-wrap}a{color:var(--sn-accent)}.sn-game{display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center;max-width:34rem;margin:0 auto}.sn-instructions{margin:0;line-height:1.55}.sn-muted{color:var(--sn-muted);font-size:.9rem;margin:0}.sn-note{color:var(--sn-muted);font-size:.85rem;margin:0;max-width:30rem}.sn-numeric{font-variant-numeric:tabular-nums}.sn-mono{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace;font-variant-numeric:tabular-nums}.sn-button{padding:.6rem 1.4rem;border-radius:999px;border:1px solid var(--sn-accent);background:var(--sn-accent);color:var(--sn-bg);font:inherit;cursor:pointer}.sn-button:hover:enabled{opacity:.85}.sn-button:disabled{opacity:.4;cursor:default}.sn-button-secondary{padding:.6rem 1.2rem;border-radius:999px;border:1px solid var(--sn-muted);background:transparent;color:var(--sn-text);font:inherit;cursor:pointer}.sn-button-secondary:hover:enabled{border-color:var(--sn-accent);color:var(--sn-accent)}.sn-entry-row{display:flex;gap:.6rem;width:100%;flex-wrap:wrap;justify-content:center;align-items:center}.sn-input{flex:1;min-width:11rem;padding:.6rem .9rem;font:inherit;border:1px solid var(--sn-muted);border-radius:8px;background:var(--sn-bg);color:var(--sn-text)}.sn-input:focus-visible{outline:none;border-color:var(--sn-accent)}.sn-input:disabled{opacity:.5}.sn-result{display:flex;flex-direction:column;align-items:center;gap:.75rem;width:100%;margin:0}.sn-result h2{margin:0;font-size:1.4rem}.sn-result-line{margin:0;line-height:1.55}.sn-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem;width:100%}.sn-chip-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.sn-chip{padding:.2rem .75rem;border:1px solid var(--sn-muted);border-radius:999px;color:var(--sn-muted);font-size:.9rem}.sn-swatch{width:2.5rem;height:2.5rem;border-radius:8px;border:1px solid var(--sn-muted);display:inline-block;flex-shrink:0}