:root{--bg: #f5f5f5;--surface: #ffffff;--text: #1a1a1a;--muted: #6b6b6b;--border: #d4d4d4;--accent: #2563eb;--tile-cover: #e0e0e0}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--text);text-decoration:underline;text-underline-offset:2px}a:hover{opacity:.75}button{font-family:inherit;font-size:1rem;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:.6rem 1rem;border-radius:2px}button:hover:not(:disabled){background:#fafafa}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--text);color:var(--surface);border-color:var(--text)}button.primary:hover:not(:disabled){background:#333}input,textarea,select{font-family:inherit;font-size:1rem;border:1px solid var(--border);padding:.5rem .65rem;border-radius:2px;width:100%;max-width:100%}label{display:block;font-size:.8125rem;font-weight:500;margin-bottom:.35rem;color:var(--muted)}.stack{display:flex;flex-direction:column;gap:1rem}.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.muted{color:var(--muted);font-size:.875rem}.page{min-height:100%;padding:1.5rem;max-width:1200px;margin:0 auto}.page-wide{max-width:none;padding:1rem 1.5rem}h1{font-size:1.25rem;font-weight:600;margin:0 0 1rem;letter-spacing:-.02em}h2{font-size:1rem;font-weight:600;margin:0 0 .75rem}.puzzle-wrap{display:flex;justify-content:center;width:100%}.puzzle-grid{display:grid;grid-template-columns:repeat(8,1fr);width:min(85vmin,720px);aspect-ratio:1;border:1px solid var(--border);background:var(--surface)}.puzzle-cell{position:relative;overflow:hidden}.puzzle-piece{position:absolute;top:0;right:0;bottom:0;left:0;background-repeat:no-repeat;transition:opacity .25s ease}.puzzle-cover{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--tile-cover);transition:opacity .35s ease;border:1px solid rgba(0,0,0,.06)}.scoreboard{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;max-width:560px;margin:0 auto 1rem}.score-cell{border:1px solid var(--border);padding:.5rem .75rem;background:var(--surface);text-align:center;font-variant-numeric:tabular-nums}.score-cell strong{display:block;font-size:.75rem;font-weight:500;color:var(--muted);margin-bottom:.25rem}.scoreboard-dynamic{display:flex;flex-wrap:wrap;gap:.35rem;max-width:720px;margin:0 auto 1rem}.score-cell-dynamic{display:flex;align-items:center;gap:.5rem;border:1px solid var(--border);padding:.35rem .65rem;background:var(--surface);font-variant-numeric:tabular-nums;font-size:.875rem;min-width:120px}.score-rank{font-weight:600;color:var(--muted);font-size:.75rem;min-width:1.1rem;text-align:right}.score-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-pts{font-weight:600;font-size:1rem}.buzz-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:10;pointer-events:none;animation:buzz-in .2s ease-out}.buzz-overlay-inner{background:var(--text);color:var(--surface);padding:1.5rem 3rem;text-align:center}.buzz-overlay-name{margin:0;font-size:2rem;font-weight:600;letter-spacing:-.02em}@keyframes buzz-in{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.admin-grid{display:grid;gap:1rem}@media(min-width:800px){.admin-grid{grid-template-columns:1fr 1fr}}