:root{--bg: #0e1116;--panel: #181d25;--line: #2a323d;--ink: #eef3f7;--dim: #93a4b3;--accent: #d68a6a;--hdr: #141a21;--play: #222c36;--play2: #2a3744;--fill: #d68a6a;--ok: #3fb27f;--over: #d65a5a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#1e1812,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:540px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:6px;font-weight:800;color:var(--accent)}.sub{margin:3px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:10px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#2a160c}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#2a160c;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0}.readout{background:#0a0e13;border:1px solid var(--line);border-radius:8px;padding:5px 16px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:92px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.stage{position:relative;display:flex;justify-content:center}.grid{display:grid;gap:2px;background:var(--line);border:2px solid var(--line);border-radius:8px;padding:2px;width:min(94vw,460px);aspect-ratio:1}.cell{position:relative;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:clamp(12px,4.2vw,22px);aspect-ratio:1;border-radius:3px}.cell.hdr{background:var(--hdr);color:var(--dim);font-weight:700;font-size:clamp(10px,3.4vw,16px)}.cell.hdr.w{color:#c8b3a3}.cell.hdr.corner{background:transparent}.cell.hdr.corner.small{font-size:clamp(8px,2.6vw,12px);color:var(--dim)}.cell.play{background:var(--play);cursor:pointer;color:var(--dim)}.cell.play:hover{background:var(--play2)}.cell.play.filled{background:var(--fill);color:#2a160c;box-shadow:inset 0 0 0 1px #0003}.cell.play.marked{color:#6f7d8a;font-size:clamp(11px,3.6vw,18px)}.cell.clue{background:#0a0e13;color:var(--ink);font-weight:800;font-size:clamp(11px,3.8vw,18px);border:1px solid var(--line)}.cell.clue.ok{background:#3fb27f2e;color:var(--ok);border-color:var(--ok)}.cell.clue.over{background:#d65a5a2e;color:var(--over);border-color:var(--over)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080c10c7;border-radius:8px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:320px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:14px;line-height:1.6}.hint b{color:#c8b3a3}.hint .g{color:var(--ok);font-weight:700}.hint .r{color:var(--over);font-weight:700}