:root{--bg: #0e1116;--panel: #161b22;--panel-2: #1c232d;--felt: #143d2b;--felt-line: #1d5a3f;--accent: #2fb380;--accent-dim: #1c6e4f;--text: #e7edf3;--muted: #8b97a6;--card-bg: #f6f4ee;--card-back: #2a3a6b;--card-back-2: #1d2a52;--red: #d23b41;--black: #1c2330;--slot: rgba(255, 255, 255, .06);--slot-line: rgba(255, 255, 255, .14);--shadow: rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#app{max-width:1040px;margin:0 auto;padding:14px 14px 40px}header.k-header{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;margin-bottom:12px}header.k-header h1{margin:0;font-size:clamp(22px,4vw,34px);letter-spacing:.14em;font-weight:800;background:linear-gradient(90deg,var(--accent),#7ad6b0);-webkit-background-clip:text;background-clip:text;color:transparent}.k-sub{color:var(--muted);font-size:13px}.k-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:14px}.k-toolbar .spacer{flex:1}button.k-btn{background:var(--panel-2);color:var(--text);border:1px solid var(--slot-line);border-radius:8px;padding:8px 13px;font-size:14px;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s,transform .05s}button.k-btn:hover:not(:disabled){background:#243040;border-color:var(--accent-dim)}button.k-btn:active:not(:disabled){transform:translateY(1px)}button.k-btn:disabled{opacity:.4;cursor:default}button.k-btn.primary{background:var(--accent-dim);border-color:var(--accent)}button.k-btn.primary:hover:not(:disabled){background:var(--accent);color:#04140d}.k-stat{background:var(--panel);border:1px solid var(--slot-line);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--muted)}.k-stat b{color:var(--text);font-variant-numeric:tabular-nums}.k-board{background:radial-gradient(circle at 50% 0%,var(--felt-line),var(--felt) 60%);border:1px solid #0a2a1c;border-radius:14px;padding:16px;box-shadow:inset 0 1px #ffffff0d,0 8px 30px var(--shadow)}.k-top{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--gap, 10px);margin-bottom:18px}.k-tableau{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--gap, 10px)}.k-pile{position:relative}.k-col{position:relative;min-height:var(--card-h, 96px)}.k-slot,.k-card{width:100%;aspect-ratio:5 / 7;border-radius:8px}.k-slot{background:var(--slot);border:1.5px dashed var(--slot-line);display:flex;align-items:center;justify-content:center;color:#ffffff38;font-size:clamp(16px,2.4vw,26px);user-select:none}.k-slot.stock{cursor:pointer}.k-slot.stock:hover{border-color:var(--accent)}.k-card{position:absolute;left:0;top:0;background:var(--card-bg);border:1px solid rgba(0,0,0,.25);box-shadow:0 1px 2px #00000059;user-select:none;overflow:hidden}.k-card.up{cursor:pointer}.k-card.down{background:repeating-linear-gradient(45deg,var(--card-back) 0 7px,var(--card-back-2) 7px 14px);border-color:#0c1430}.k-card.red .corner,.k-card.red .pip{color:var(--red)}.k-card.black .corner,.k-card.black .pip{color:var(--black)}.k-card .corner{position:absolute;top:4%;left:6%;font-weight:800;line-height:1;font-size:clamp(11px,1.9vw,18px);display:flex;flex-direction:column;align-items:center}.k-card .corner .c-suit{font-size:.85em}.k-card .pip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:clamp(20px,4vw,38px);line-height:1}.k-card.selected{outline:3px solid var(--accent);outline-offset:-1px;box-shadow:0 0 0 3px #2fb38059,0 4px 10px #00000080;z-index:50!important}.k-col.drop-ok:after,.k-slot.drop-ok{outline:2px solid var(--accent);outline-offset:2px}.k-col.drop-ok:after{content:"";position:absolute;inset:0;border-radius:8px;pointer-events:none}.k-foundation-suit{opacity:.5}.k-banner{margin-top:14px;padding:14px 16px;background:linear-gradient(90deg,var(--accent-dim),#2c8d66);border:1px solid var(--accent);border-radius:10px;display:none;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.k-banner.show{display:flex}.k-banner b{font-size:18px}.k-hint{color:var(--muted);font-size:12.5px;margin-top:12px;line-height:1.6}@media(max-width:560px){#app{padding:8px}.k-board{padding:9px;--gap: 5px}.k-stat{padding:5px 9px;font-size:12px}}