:root{--card-w: 78px;--card-h: 110px;--card-radius: 8px;--fan-up: 26px;--fan-down: 12px;--pile-gap: 14px;--felt-1: #0b6b3a;--felt-2: #073d22;--felt-edge: #052b17;--card-bg: #fefefe;--card-ink: #1c2530;--card-red: #c92a2a;--card-black: #1c2530;--gold: #ffd43b;--accent: #74c0fc;--header-h: 64px;--shadow-card: 0 2px 4px rgba(0, 0, 0, .35), 0 1px 1px rgba(0, 0, 0, .25);--shadow-card-lift: 0 10px 24px rgba(0, 0, 0, .45), 0 4px 8px rgba(0, 0, 0, .35);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background:radial-gradient(ellipse at 50% 0%,var(--felt-1),var(--felt-2) 70%,var(--felt-edge) 100%);color:#f5f7fa;touch-action:none}#app{display:flex;flex-direction:column;height:100vh;height:100dvh}.app-header{display:flex;align-items:center;gap:12px;padding:8px 14px;min-height:var(--header-h);background:linear-gradient(180deg,#00000059,#00000026);border-bottom:1px solid rgba(0,0,0,.3);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;letter-spacing:.5px;white-space:nowrap}.brand .logo{font-size:22px;filter:drop-shadow(0 1px 1px rgba(0,0,0,.5))}.header-spacer{flex:1 1 auto}.header-group{display:flex;align-items:center;gap:6px}.stat{display:flex;flex-direction:column;align-items:center;min-width:56px;padding:2px 8px;border-radius:8px;background:#0003;border:1px solid rgba(255,255,255,.06)}.stat .label{font-size:9px;text-transform:uppercase;letter-spacing:1px;opacity:.6}.stat .value{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}select,button{font-family:inherit;font-size:13px;color:#fff;background:#ffffff1a;border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:7px 11px;cursor:pointer;transition:background .15s,transform .05s,border-color .15s}select:hover,button:hover{background:#ffffff2e;border-color:#ffffff38}select:active,button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}button.primary{background:linear-gradient(180deg,#2f9e44,#1e7a32);border-color:#0000004d}button.primary:hover{background:linear-gradient(180deg,#37b24d,#238636)}button.icon{padding:7px 9px}.board{position:relative;flex:1 1 auto;overflow:hidden;padding:var(--pile-gap)}.pile-slot{position:absolute;width:var(--card-w);height:var(--card-h);border-radius:var(--card-radius);border:2px dashed rgba(255,255,255,.16);background:#0000002e;display:flex;align-items:center;justify-content:center;transition:border-color .15s,background .15s,box-shadow .15s}.pile-slot .slot-glyph{font-size:28px;opacity:.18;pointer-events:none}.pile-slot.drop-ok{border-color:var(--gold);background:#ffd43b1f;box-shadow:0 0 0 2px #ffd43b66,0 0 18px #ffd43b4d}.pile-slot.drop-bad{border-color:#e03131;background:#e031311a}.pile-slot.stock{cursor:pointer}.pile-slot.stock:hover{border-color:#ffffff4d}.card-layer{position:absolute;inset:0;pointer-events:none}.card{position:absolute;top:0;left:0;width:var(--card-w);height:var(--card-h);border-radius:var(--card-radius);background:var(--card-bg);box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.22,.61,.36,1),box-shadow .15s;will-change:transform;pointer-events:auto;cursor:grab;-webkit-user-select:none;user-select:none}.card.dragging{transition:none;cursor:grabbing;box-shadow:var(--shadow-card-lift)}.card.no-drag{cursor:default}.card.hint-glow{animation:hint-pulse 1s ease-in-out 3}@keyframes hint-pulse{0%,to{box-shadow:var(--shadow-card),0 0 #ffd43b00}50%{box-shadow:var(--shadow-card),0 0 0 4px #ffd43bb3,0 0 22px #ffd43b99}}.card .face{position:absolute;inset:0;border-radius:var(--card-radius);display:flex;flex-direction:column;padding:5px 6px;color:var(--card-ink);background:linear-gradient(160deg,#fff,#f0f2f5);overflow:hidden}.card.red .face{color:var(--card-red)}.card.black .face{color:var(--card-black)}.card .corner{display:flex;flex-direction:column;align-items:center;line-height:1;font-weight:700}.card .corner .rank{font-size:16px;font-family:Georgia,Times New Roman,serif}.card .corner .suit{font-size:13px;margin-top:1px}.card .corner.br{align-self:flex-end;transform:rotate(180deg);margin-top:auto}.card .center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:40px;pointer-events:none;opacity:.92}.card .center.face-card{font-size:30px;font-family:Georgia,serif;font-weight:700;letter-spacing:-1px}.card .back{position:absolute;inset:0;border-radius:var(--card-radius);background:repeating-linear-gradient(45deg,#1c4a8a 0 6px,#2253a0 6px 12px),linear-gradient(135deg,#2b6cb0,#1a3a6b);border:3px solid #fefefe;box-shadow:inset 0 0 0 1px #0000004d;display:flex;align-items:center;justify-content:center}.card .back:after{content:"♦";color:#ffffffd9;font-size:26px;text-shadow:0 1px 2px rgba(0,0,0,.5);transform:rotate(45deg)}.card.face-up .back{display:none}.card:not(.face-up) .face{display:none}.confetti{position:absolute;width:10px;height:14px;top:-20px;z-index:9999;pointer-events:none;border-radius:2px}.modal-overlay{position:fixed;inset:0;background:#000000a6;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fade-in .3s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal{background:linear-gradient(160deg,#16402a,#0c2818);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:28px 32px;text-align:center;max-width:360px;box-shadow:0 20px 60px #0009}.modal h2{margin:0 0 6px;font-size:28px;color:var(--gold)}.modal p{margin:4px 0 18px;opacity:.85}.modal .win-stats{display:flex;justify-content:center;gap:18px;margin-bottom:18px}.modal .win-stats div{display:flex;flex-direction:column}.modal .win-stats .v{font-size:22px;font-weight:700}.modal .win-stats .l{font-size:10px;text-transform:uppercase;opacity:.6}.modal .actions{display:flex;gap:10px;justify-content:center}@media(max-width:900px){:root{--card-w: 60px;--card-h: 85px;--fan-up: 20px;--fan-down: 9px;--pile-gap: 8px}.stat{min-width:44px;padding:2px 5px}.stat .value{font-size:14px}.app-header{gap:6px;padding:6px 8px}.brand{font-size:15px}select,button{padding:6px 8px;font-size:12px}.card .corner .rank{font-size:13px}.card .corner .suit{font-size:10px}.card .center{font-size:30px}}@media(max-width:640px){:root{--card-w: 44px;--card-h: 62px;--fan-up: 16px;--fan-down: 7px;--pile-gap: 4px}.brand .logo,.stat .label{display:none}.card .corner .rank{font-size:11px}.card .corner .suit{font-size:8px}.card .center{font-size:22px}}