:root{--bg: #101613;--panel: #1a241f;--panel-2: #22302a;--line: #35473f;--text: #e8ede9;--text-dim: #9fb0a7;--accent: #47b881;--felt: #1d4d38;--seat-e: #0aa574;--seat-s: #e34f2b;--seat-w: #ead68a;--seat-n: #2b4bb3;--kw-chow: #3dbb63;--kw-pung: #3f7fe0;--kw-kong: #e04338;--kw-mahjong: #e8b93e;--kw-discarder: #6b6f6d;--tw: 44px}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{background:var(--bg);color:var(--text);font-family:Avenir Next,Segoe UI,Helvetica Neue,system-ui,sans-serif;overflow:hidden}button{font:inherit;color:inherit;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:8px 16px;cursor:pointer}button:hover{filter:brightness(1.15)}button:disabled{opacity:.45;cursor:default}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(80px);background:#333c;padding:10px 22px;border-radius:10px;transition:transform .25s;z-index:100;pointer-events:none}#toast.show{transform:translate(-50%) translateY(0)}.home{height:100%;display:flex;flex-direction:column;padding:20px}.home-top{display:flex;justify-content:space-between;height:56px}.home-corner{width:120px}.home-title{text-align:center;font-size:28px;letter-spacing:.12em;color:var(--text);align-self:center}.home-title small{display:block;font-size:13px;color:var(--text-dim);letter-spacing:.3em}.home-main{flex:1;display:flex;align-items:center;justify-content:center;gap:28px}.home-col{display:flex;flex-direction:column;align-items:center;gap:18px}.home-panel{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;width:220px;height:300px;background:linear-gradient(160deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:16px;font-size:24px;letter-spacing:.1em;cursor:pointer;transition:transform .15s,border-color .15s;user-select:none}.home-panel:hover{transform:translateY(-4px);border-color:var(--accent)}.home-panel .zh{font-size:15px;color:var(--text-dim)}.home-panel.side{width:200px;height:260px;margin-top:40px;font-size:21px}.home-panel.play{width:240px;height:320px;background:linear-gradient(160deg,#275e46,#1c3f30);border-color:var(--accent);font-size:30px}.welcome-bar{width:240px;padding:10px 0;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;color:var(--text-dim);cursor:pointer}.welcome-bar:hover{border-color:var(--accent)}.page{height:100%;display:flex;flex-direction:column;padding:18px 22px;gap:14px;overflow:hidden}.page-head{display:flex;align-items:center;gap:16px}.page-head h1{font-size:21px;font-weight:600;letter-spacing:.06em}.page-head .spacer{flex:1}.page-body{flex:1;overflow-y:auto;min-height:0}.room-row{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:10px}.room-row.mine{border-color:var(--accent)}.room-id{font-size:17px;font-weight:700;min-width:76px}.room-settings{color:var(--text-dim);font-size:13px;min-width:210px}.room-players{flex:1;display:flex;gap:8px;flex-wrap:wrap}.player-chip{background:var(--panel-2);border:1px solid var(--line);padding:3px 10px;border-radius:999px;font-size:13px}.player-chip.host{border-color:var(--kw-mahjong)}.room-row .btns{display:flex;gap:8px}dialog{margin:auto;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:22px 26px;min-width:420px}dialog::backdrop{background:#000a}.slider-group{margin:14px 0}.slider-group label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:4px}.slider-group input[type=range]{width:100%}.slider-value{font-size:14px;color:var(--text)}.dialog-btns{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.tile{position:relative;width:var(--tw);height:calc(var(--tw) * 4 / 3);background:#f7f3e8;border:1px solid #b9b29e;border-radius:calc(var(--tw) * .12);box-shadow:0 2px 3px #0006;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;user-select:none}.tile img{width:92%;height:92%;object-fit:contain;pointer-events:none}.tile-back{background:#e3d3ae;border-color:#c4b58f}.tile-selected{transform:translateY(calc(var(--tw) * -.28));box-shadow:0 6px 10px #000a}.tile-dimmed{filter:brightness(.82)}.tile-highlight{outline:2px solid var(--kw-mahjong);outline-offset:1px}.tile-row{display:flex;gap:2px;align-items:flex-end}.tor{position:relative;width:var(--tw);height:calc(var(--tw) * 4 / 3);flex-shrink:0}.tor-90,.tor-270{width:calc(var(--tw) * 4 / 3);height:var(--tw)}.tor>.tile{position:absolute;left:50%;top:50%}.tor-0>.tile{transform:translate(-50%,-50%)}.tor-90>.tile{transform:translate(-50%,-50%) rotate(90deg)}.tor-180>.tile{transform:translate(-50%,-50%) rotate(180deg)}.tor-270>.tile{transform:translate(-50%,-50%) rotate(270deg)}.meld{display:flex;gap:1px;flex-shrink:0}.meld-r0{flex-direction:row;align-items:flex-end}.meld-r1{flex-direction:column;align-items:flex-end}.meld-r2{flex-direction:row;align-items:flex-start}.meld-r3{flex-direction:column;align-items:flex-start}.kong-pocket{display:flex;gap:1px;flex-shrink:0}.kong-pocket-r0,.kong-pocket-r2{flex-direction:column}.kong-pocket-r1,.kong-pocket-r3{flex-direction:row}.board{position:relative;width:100%;height:100%;background:radial-gradient(ellipse at center,#245c43 0%,var(--felt) 55%,#163a2a 100%);overflow:hidden}.board .abs{position:absolute}.cpanel{position:absolute;border-radius:12px;overflow:hidden;box-shadow:0 0 0 2px #0004,0 6px 18px #0007}.quad{position:absolute;inset:0;opacity:.32;transition:opacity .3s}.quad.active{opacity:1;animation:quad-pulse 1.6s ease-in-out infinite}@keyframes quad-pulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.45)}}.quad-label{position:absolute;font-weight:700;display:flex;gap:8px;align-items:baseline;text-shadow:0 1px 2px #000a}.quad-label .seat-letter{font-size:20px}.quad-label .seat-score{font-size:15px}.ccircle{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:46%;height:46%;background:#10231b;border-radius:50%;border:2px solid #0007;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;z-index:3}.ccircle .gnum{font-size:22px;font-weight:700;letter-spacing:.05em}.ccircle .rem{font-size:18px;color:var(--text-dim);font-variant-numeric:tabular-nums}.dice-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.die{width:26px;height:26px;background:#f7f3e8;color:#17211c;border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;opacity:0}.die.shown{opacity:1;animation:die-land .5s ease-out}@keyframes die-land{0%{transform:scale(2.2) rotate(200deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}.timerbar{position:absolute;height:5px;background:#0a0a0a88;border-radius:3px;overflow:hidden;z-index:4}.timerbar .fill{height:100%;background:var(--kw-mahjong);transform-origin:left}.discard-zone,.discard-zone .tor{position:absolute}.discard-new{animation:discard-in .28s ease-out;outline:2px solid #fff8;outline-offset:1px;z-index:2}@keyframes discard-in{0%{transform:scale(1.6);opacity:.2}to{transform:scale(1);opacity:1}}.hand-area{position:absolute;display:flex;align-items:flex-end;gap:2px}.hand-area .drawn-gap{width:calc(var(--tw) * .45);flex-shrink:0}.hand-area .meld-gap{width:calc(var(--tw) * .6);flex-shrink:0}.hand-tile{cursor:pointer}.hand-tile:not(.tile-selected):hover{transform:translateY(calc(var(--tw) * -.1))}.opp-hand{position:absolute;display:flex;gap:2px}.opp-hand.vertical{flex-direction:column}.opp-hand .strip-gap{width:calc(var(--tw) * .5);height:calc(var(--tw) * .5);flex-shrink:0}.claim-word{position:absolute;font-size:34px;font-weight:900;letter-spacing:.08em;text-shadow:0 2px 6px #000c;z-index:6;pointer-events:none}.claim-word.pop{animation:claim-pop .3s ease-out}@keyframes claim-pop{0%{transform:scale(2.4);opacity:0}to{transform:scale(1);opacity:1}}.action-bar{position:absolute;display:flex;gap:10px;z-index:7;align-items:center}.action-btn{font-size:17px;font-weight:800;letter-spacing:.06em;padding:10px 20px;border-radius:10px;border:2px solid #0006;color:#fff;text-shadow:0 1px 2px #0008;background:#333}.action-btn .zh{font-size:13px;margin-left:6px;opacity:.9}.action-btn.chow{background:var(--kw-chow)}.action-btn.pung{background:var(--kw-pung)}.action-btn.kong{background:var(--kw-kong)}.action-btn.mahjong{background:var(--kw-mahjong);color:#221a02;text-shadow:none}.action-btn.pass{background:#4a5450}.variant-bar{position:absolute;display:flex;gap:14px;z-index:8;background:#0009;padding:10px 14px;border-radius:12px}.variant-opt{display:flex;gap:2px;cursor:pointer;padding:4px;border-radius:8px;border:2px solid transparent}.variant-opt:hover{border-color:var(--kw-mahjong)}.overlay{position:absolute;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:20}.result-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 34px;min-width:520px;max-width:86vw;max-height:86vh;overflow-y:auto}.result-card h2{font-size:22px;margin-bottom:14px;letter-spacing:.06em}.result-hand{display:flex;align-items:flex-end;gap:3px;margin:12px 0 16px;--tw: 40px}.pattern-list{width:100%;border-collapse:collapse;font-size:15px}.pattern-list td{padding:4px 8px;border-bottom:1px solid var(--line)}.pattern-list td.pts{text-align:right;font-variant-numeric:tabular-nums}.result-total{margin-top:10px;font-size:19px;font-weight:700}.result-deltas{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.delta-cell{background:var(--panel-2);border-radius:10px;padding:8px 10px;text-align:center}.delta-cell .nm{font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.delta-cell .dv{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}.delta-cell .tag{font-size:11px;font-weight:800;letter-spacing:.1em}.result-next{margin-top:16px;color:var(--text-dim);font-size:13px;text-align:right}.win-gold{color:var(--kw-mahjong)}.lose-gray{color:var(--kw-discarder)}.draw-green{color:var(--kw-chow)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin-bottom:18px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px}.stat-card .k{color:var(--text-dim);font-size:12.5px}.stat-card .v{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}table.data{width:100%;border-collapse:collapse;font-size:14px}table.data th,table.data td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line)}table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}.record-row{cursor:pointer}.record-row:hover{background:var(--panel-2)}.viewer{display:flex;flex-direction:column;gap:10px;height:100%;min-height:0}.viewer-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.viewer-controls input[type=range]{flex:1;min-width:160px}.viewer-body{flex:1;display:flex;gap:14px;min-height:0}.viewer-table{flex:3;overflow-y:auto;display:flex;flex-direction:column;gap:10px;--tw: 30px}.viewer-seat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px}.viewer-seat.winner{border-color:var(--kw-mahjong)}.viewer-seat .head{display:flex;gap:10px;font-size:13px;color:var(--text-dim);margin-bottom:6px}.viewer-seat .rows{display:flex;flex-direction:column;gap:6px}.viewer-seat .hand-line{display:flex;gap:10px;align-items:flex-end}.viewer-seat .discards{display:flex;gap:2px;flex-wrap:wrap;--tw: 24px}.viewer-log{flex:1;min-width:240px;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px;font-family:ui-monospace,monospace;font-size:12.5px;white-space:pre}.viewer-log .cur{background:var(--panel-2);color:var(--kw-mahjong)}.viewer-log div{padding:1px 6px;border-radius:4px;cursor:pointer}