*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--surface: #1a1d27;--border: #2e3044;--text: #e8eaf0;--muted: #7c8098;--red: #e5383b;--yellow: #ffd166;--empty: #1f2235;--empty-border: #2e3248;--accent: #4f6ef7;--radius: 10px}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;min-height:100dvh;display:flex;justify-content:center}.app{width:100%;max-width:640px;padding:2rem 1rem;display:flex;flex-direction:column;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.4rem;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:opacity .15s,transform .1s}.btn:hover{opacity:.88}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-small{padding:.35rem .8rem;font-size:.85rem}.btn-link{background:none;border:none;cursor:pointer;color:var(--muted);font-size:.9rem;padding:0}.btn-link:hover{color:var(--text)}.input{width:100%;padding:.6rem .9rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:1rem;outline:none;display:block;margin-bottom:.75rem}.input:focus{border-color:var(--accent)}.home{width:100%;display:flex;flex-direction:column;align-items:center;gap:2rem;margin-top:3rem}.home h1{font-size:2.5rem;font-weight:800;letter-spacing:-1px}.home-cards{width:100%;display:flex;flex-direction:column;align-items:center;gap:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;width:100%;display:flex;flex-direction:column;gap:.75rem}.card h2{font-size:1.1rem;font-weight:700}.card p{font-size:.9rem;color:var(--muted)}.divider{color:var(--muted);font-size:.85rem;padding:.75rem 0}.error{color:var(--red);font-size:.85rem;margin-bottom:.5rem}.room{width:100%;display:flex;flex-direction:column;gap:1.25rem;margin-top:1rem}.room h2{font-size:1.5rem;font-weight:700}.room-id-box,.room-link-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.2rem;display:flex;flex-direction:column;gap:.4rem}.label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.game-id{font-size:1.8rem;font-weight:800;letter-spacing:.1em}.link-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.game-url{font-size:.8rem;color:var(--muted);word-break:break-all}.room-status{min-height:1.5rem}.status-text{font-size:.95rem}.status-text.waiting{color:var(--muted)}.status-text.ready{color:var(--yellow);font-weight:600}.status-text.error{color:var(--red)}.status-text.your-turn{color:var(--accent);font-weight:700}.status-text.winner{color:var(--yellow);font-weight:700;font-size:1.1rem}.status-text.loser{color:var(--muted)}.status-text.draw{color:var(--muted);font-weight:600}.gameboard{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem}.board-header{width:100%;display:flex;align-items:center;gap:1rem}.game-id-small{font-size:.85rem;color:var(--muted);font-family:monospace}.my-color{font-size:.85rem;color:var(--muted);margin-left:auto}.status-bar{min-height:2rem;display:flex;align-items:center}.board{display:flex;gap:6px;background:#1b2460;padding:10px;border-radius:12px;-webkit-user-select:none;user-select:none}.board-active .column-clickable:hover .cell-empty{background:color-mix(in srgb,var(--empty) 30%,var(--accent))}.column{display:flex;flex-direction:column;gap:6px;cursor:default}.column-clickable{cursor:pointer}.cell{width:52px;height:52px;border-radius:50%;transition:background .18s ease}.cell-empty{background:var(--empty);border:2px solid var(--empty-border)}.cell-red{background:var(--red);box-shadow:0 0 6px color-mix(in srgb,var(--red) 50%,transparent)}.cell-yellow{background:var(--yellow);box-shadow:0 0 6px color-mix(in srgb,var(--yellow) 50%,transparent)}@media(max-width:480px){.cell{width:40px;height:40px}.board{gap:4px;padding:8px}.column{gap:4px}}