:root{color-scheme:dark;--bg: #12141a;--card: #1c2029;--text: #f4f1ea;--muted: #a8a396;--line: rgba(244, 241, 234, .16);--accent: #ff6b4a;font-family:Georgia,Iowan Old Style,Palatino,serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,p,h1,h2{font:inherit}.screen{max-width:440px;margin:0 auto;padding:20px 16px 40px}.center{min-height:100vh;display:grid;place-items:center}.card{background:var(--card);border-radius:16px;padding:20px}.eyebrow{letter-spacing:.08em;text-transform:uppercase;font-size:12px;color:var(--muted);margin:0 0 6px}h1{font-size:34px;line-height:1;margin:0 0 10px}h2{font-size:18px;margin:0 0 8px}.lead,.note,.muted,.progress,.error{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.4}.lead{margin:0 0 8px}.note,.muted{color:var(--muted)}.banner{background:#2a211c;border:1px solid #ff6b4a;border-radius:14px;padding:12px 14px;margin:14px 0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.banner p{margin:0 0 8px}.board-wrap{position:relative;width:min(100%,340px);margin:18px auto 10px;aspect-ratio:1;border-radius:18px;overflow:hidden}.art{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.grid{position:absolute;top:0;right:0;bottom:0;left:0;display:grid}.grid.dense .who{display:none}.grid.dense .serial{font-size:10px;padding:0 3px}.grid.dense .cell{padding:2px}.cell{border:1px solid rgba(255,255,255,.22);background:transparent;color:#1c2430;padding:6px;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;text-align:left}.cell.closed{background:#12141ac7;color:var(--text)}.cell.mine{box-shadow:inset 0 0 0 3px #fff}.cell:disabled{cursor:default}.serial,.who,.plus{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.serial{font-weight:700;font-size:14px;background:#ffffffdb;border-radius:999px;padding:1px 6px}.who{font-size:11px;margin-top:4px;color:#1c2430;background:#fffc;border-radius:6px;padding:1px 4px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.plus{font-size:13px}.progress{text-align:center;margin:8px 0 12px}.error{color:#ffb4a8;text-align:center}.actions{display:grid;gap:8px}.primary,.ghost,.text{border-radius:12px;padding:14px 12px;border:0}.primary{background:var(--accent);color:#1c120e;font-weight:700;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.ghost,.text{background:transparent;color:var(--text);border:1px solid var(--line);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.text{padding:8px 10px;border:0;color:var(--accent)}button:disabled{opacity:.45}.shelf{margin-top:22px;padding-top:14px;border-top:1px solid var(--line)}.shelf ul{margin:0;padding-left:18px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.shelf li{margin:6px 0}