:root{color-scheme:light;--bg: #eaf2f6;--bg-deep: #d6e4ec;--ink: #0c2a3a;--ink-soft: #436073;--fjord: #1f5d7a;--fjord-deep: #0f3a52;--gold: #f0b429;--win: #1f9d55;--error: #b3261e;--tile: #ffffff;--tile-marked: #1f5d7a;--tile-free: #f0b429;--border: rgba(15, 58, 82, .12);--shadow: 0 6px 18px rgba(15, 58, 82, .08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-deep) 100%);color:var(--ink);-webkit-font-smoothing:antialiased}a{color:var(--fjord)}.screen{max-width:720px;margin:0 auto;padding:24px 16px 48px;display:flex;flex-direction:column;gap:20px}.hero{text-align:center;padding:16px 0 0}.hero h1{margin:12px 0 8px;font-size:clamp(28px,6vw,40px);letter-spacing:-.02em}.hero p{margin:0;color:var(--ink-soft)}.badge{display:inline-block;padding:4px 12px;background:var(--fjord);color:#fff;border-radius:999px;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.card{background:#fff;border-radius:16px;padding:20px;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;flex-direction:column;gap:14px}.form label{display:flex;flex-direction:column;gap:6px;font-weight:500}.form label>span{font-size:13px;color:var(--ink-soft)}.form input{font:inherit;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#f6fafc;color:var(--ink)}.form input:focus{outline:2px solid var(--fjord);outline-offset:1px}button{font:inherit;font-weight:600;padding:12px 16px;border:none;border-radius:10px;background:var(--fjord);color:#fff;cursor:pointer;transition:transform .05s ease,background .15s ease}button:hover{background:var(--fjord-deep)}button:active{transform:translateY(1px)}button:disabled{background:#94a9b6;cursor:not-allowed}.muted{color:var(--ink-soft);font-size:14px}.center{text-align:center}.error{color:var(--error);font-size:14px;margin:0}.game-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.room-code{font-size:24px;font-weight:700;letter-spacing:.14em}.status{display:flex;gap:8px}.pill{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:#fff;color:var(--ink);font-size:13px;font-weight:600;border:1px solid var(--border);text-decoration:none}.pill-live{background:var(--fjord);color:#fff;border-color:transparent}.pill-win{background:var(--gold);color:var(--ink);border-color:transparent}.board{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;aspect-ratio:1 / 1}.tile{background:var(--tile);color:var(--ink);border:1px solid var(--border);border-radius:10px;padding:6px;font-size:clamp(10px,2.2vw,13px);line-height:1.15;font-weight:600;display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;min-height:0;word-break:break-word}.tile-label{display:block}.tile-marked{background:var(--tile-marked);color:#fff;border-color:var(--tile-marked)}.tile-free{background:var(--tile-free);color:var(--ink);border-color:var(--tile-free)}.tile-win{background:var(--win)!important;color:#fff!important;border-color:var(--win)!important;animation:pulse 1.2s ease-in-out infinite}.board-frozen .tile{cursor:default}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0c2a3a8c;display:flex;align-items:center;justify-content:center;padding:24px;z-index:10}.overlay-card{background:#fff;border-radius:18px;padding:28px;max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow)}.overlay-emoji{font-size:56px;margin-bottom:6px}.overlay-card h2{margin:6px 0 8px}.overlay-link{display:inline-block;margin-top:12px;padding:10px 18px;border-radius:10px;background:var(--fjord);color:#fff;text-decoration:none;font-weight:600}.latest-code{text-align:center;padding-top:4px}.big-code{font-size:clamp(40px,10vw,72px);font-weight:800;letter-spacing:.16em;color:var(--fjord-deep)}.rooms{display:flex;flex-direction:column;gap:10px}.room-row{flex-direction:row;justify-content:space-between;align-items:center;padding:14px 16px}.row-actions{display:flex;gap:8px;align-items:center}.row-actions button{background:#e7eef2;color:var(--ink);padding:8px 12px;font-size:13px}.row-actions button:hover{background:#d6e0e6}.leaderboard h2{margin:0;font-size:16px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft)}.leaderboard-head{display:flex;align-items:baseline;justify-content:space-between}.leaderboard-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.leaderboard-row{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;background:#f6fafc;border:1px solid var(--border)}.leaderboard-me{background:#1f5d7a14;border-color:#1f5d7a4d}.leaderboard-rank{font-size:18px;font-weight:700;text-align:center}.leaderboard-name{font-weight:600}.leaderboard-time{font-variant-numeric:tabular-nums}