:root{--bg: #0c1018;--panel: #151b26;--panel-2: #1b2430;--line: #2a3543;--ink: #e7eef6;--muted: #8694a6;--accent: #4ac5e0;--accent-dim: #2a6c7a;--good: #4ec97a;--bad: #e0644a;--die-face: #f3efe6;--die-edge: #e7e0d0;--pip: #1a1410;--legal: #2f5d44}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,-apple-system,sans-serif}#app{max-width:980px;margin:0 auto;padding:18px 16px 48px;outline:none}header.topbar{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px}header.topbar h1{font-size:24px;letter-spacing:4px;margin:0;font-weight:800;color:var(--accent);text-shadow:0 1px 0 #000}.scoreline{font-size:14px;color:var(--muted)}.scoreline b{color:var(--ink)}.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}.label{font-size:12px;color:var(--muted);margin-right:4px}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{background:var(--panel);color:var(--muted);border:none;padding:6px 12px;font-size:13px;cursor:pointer}.seg button.active{background:var(--accent);color:#08121a;font-weight:700}.seg button:not(.active):hover{color:var(--ink)}button.btn{background:var(--panel-2);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 14px;font-size:13px;cursor:pointer}button.btn:hover:not(:disabled){border-color:var(--accent)}button.btn:disabled{opacity:.4;cursor:default}.play{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}.boardwrap{flex:1 1 460px}.side{width:220px;flex:0 0 220px;display:flex;flex-direction:column;gap:14px}.board{display:grid;grid-template-columns:repeat(var(--n, 5),1fr);gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px}.cell{position:relative;aspect-ratio:1 / 1;border-radius:8px;background:#10161f;border:1px solid #1e2733;display:grid;place-items:center;cursor:pointer}.cell.empty.legal{border-color:var(--accent-dim);background:#122027;box-shadow:inset 0 0 0 1px var(--accent-dim)}.cell.empty:not(.legal){cursor:default}.cell.empty.preview{box-shadow:inset 0 0 0 2px var(--accent)}.cell.filled{background:#0e1a12;border-color:#20382a;cursor:default}.ghost-pts{position:absolute;bottom:2px;right:4px;font-size:11px;font-weight:800;color:var(--accent);background:#08121ab3;border-radius:4px;padding:0 3px}.die{position:relative;width:86%;height:86%;display:block}.die.placed,.die.ghost{width:92%;height:92%}.die.ghost{opacity:.5}.die .hub{position:absolute;left:34%;top:34%;width:32%;height:32%;border-radius:5px;background:var(--die-face);border:1px solid #cfc8b8}.die .edge{position:absolute;width:34%;height:34%;background:var(--die-edge);border:1px solid #d2cbbb;border-radius:5px;display:block}.die .edge.n{left:33%;top:0}.die .edge.s{left:33%;bottom:0}.die .edge.w{left:0;top:33%}.die .edge.e{right:0;top:33%}.die.active{width:80px;height:80px;margin:4px auto}.die.mini{width:38px;height:38px;display:inline-block}.pipface{position:relative;width:100%;height:100%;display:block}.pip-dot{position:absolute;width:16%;height:16%;min-width:3px;min-height:3px;border-radius:50%;background:var(--pip);transform:translate(-50%,-50%)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px}.panel-title{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:10px}.qcount{color:var(--accent);font-weight:700}.activewrap{display:grid;place-items:center;min-height:92px}.hint-text{font-size:12px;color:var(--muted);margin:8px 0 0;line-height:1.5}.queue{display:flex;gap:8px;flex-wrap:wrap}.qchip{display:inline-grid;place-items:center;width:44px;height:44px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px}.muted{color:var(--muted)}.statusbar{display:flex;align-items:center;gap:10px;min-height:28px;margin:14px 0 4px;font-size:15px}.statusbar .dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}.statusbar .msg{color:var(--ink)}.statusbar .sub{color:var(--muted);font-size:13px}.banner{margin-top:12px;padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel-2)}.banner h2{margin:0 0 6px;font-size:18px}.banner.win h2{color:var(--good)}.banner.lose h2{color:var(--bad)}.banner p{margin:4px 0;color:var(--muted);font-size:14px}.banner b{color:var(--ink)}.banner .actions{margin-top:10px}.foot{margin-top:18px;font-size:12px;color:var(--muted);text-align:center;line-height:1.6}