:root{--primary-color: #4CAF50;--primary-dark: #388E3C;--secondary-color: #2196F3;--secondary-dark: #1976D2;--danger-color: #f44336;--danger-dark: #d32f2f;--success-color: #8BC34A;--warning-color: #FF9800;--bg-color: #0f1117;--bg-light: #161822;--bg-card: #1c1f2e;--bg-card-hover: #242840;--text-color: #c8cad0;--text-light: #eeeef0;--text-muted: #6b7080;--border-color: #2a2e3d;--border-light: #353a4d;--shadow: 0 2px 12px rgba(0, 0, 0, .4);--radius: 10px;--radius-sm: 6px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Microsoft YaHei,sans-serif;background:linear-gradient(135deg,var(--bg-color) 0%,var(--bg-light) 100%);color:var(--text-color);min-height:100vh;overflow-x:hidden}.page{display:none;width:100%;min-height:100vh}.page.active{display:flex;justify-content:center;align-items:center}.btn{padding:10px 20px;border:none;border-radius:var(--radius);cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;outline:none}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover{background:var(--secondary-dark)}.btn-danger{background:var(--danger-color);color:#fff}.btn-danger:hover{background:var(--danger-dark)}.btn-success{background:var(--success-color);color:#fff}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.btn-small{padding:6px 12px;font-size:12px}.btn-action{padding:12px 24px;font-size:16px;font-weight:700;min-width:80px}.btn-hu{background:var(--danger-color);font-size:18px}.btn-pon{background:var(--warning-color)}.btn-kan{background:#9c27b0}.btn-pass{background:#666}input[type=text],textarea{width:100%;padding:10px 14px;border:2px solid var(--border-color);border-radius:var(--radius);background:#ffffff1a;color:var(--text-color);font-size:14px;transition:border-color .3s;margin-bottom:10px}input[type=text]:focus,textarea:focus{outline:none;border-color:var(--primary-color)}input[type=text]::placeholder,textarea::placeholder{color:var(--text-muted)}.lobby-container{display:flex;flex-direction:column;align-items:center;padding:60px 24px 40px;max-width:480px;width:100%;gap:32px}.lobby-header{text-align:center}.title{font-size:36px;font-weight:700;color:var(--text-light);letter-spacing:4px;margin-bottom:8px}.subtitle{font-size:13px;color:var(--text-muted);letter-spacing:1px}.nickname-section{width:100%}.nickname-label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px;letter-spacing:1px;text-transform:uppercase}.nickname-input-wrap{display:flex;align-items:center;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}.nickname-input-wrap:focus-within{border-color:var(--primary-color)}.nickname-input-wrap input{flex:1;background:transparent;border:none;outline:none;padding:12px 16px;color:var(--text-light);font-size:15px;font-family:Consolas,Courier New,monospace;letter-spacing:1px}.nickname-input-wrap input::placeholder{color:var(--text-muted);font-family:Segoe UI,Microsoft YaHei,sans-serif;letter-spacing:0}.lobby-actions{display:flex;gap:12px;width:100%}.lobby-actions .btn{flex:1;padding:14px 20px;font-size:15px;font-weight:600;letter-spacing:1px}.btn-ghost{background:transparent;border:1px solid var(--border-light);color:var(--text-color)}.btn-ghost:hover{background:#ffffff0a;border-color:var(--text-muted);color:var(--text-light)}.room-section{width:100%}.room-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.room-section-title{font-size:13px;color:var(--text-muted);letter-spacing:1px}.room-section .btn-small{padding:4px 12px;font-size:12px}.room-list{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden;min-height:48px}.room-list-empty,.room-list-loading{padding:24px;text-align:center;color:var(--text-muted);font-size:13px}.room-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-color);transition:background .15s}.room-item:last-child{border-bottom:none}.room-item:hover{background:var(--bg-card-hover)}.room-item-info{display:flex;flex-direction:column;gap:2px}.room-item-name{font-size:14px;font-weight:500;color:var(--text-light)}.room-item-status{font-size:11px;color:var(--text-muted)}.btn-join-room{padding:6px 16px;font-size:12px;font-weight:600;min-width:56px}.connection-status{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-muted);font-size:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--border-color)}.status-dot.connected{background:var(--success-color);box-shadow:0 0 6px var(--success-color)}.status-dot.connecting{background:var(--warning-color);animation:pulse 1s infinite}.room-container{padding:30px;max-width:600px;width:100%}.room-container h2{text-align:center;margin-bottom:20px;color:var(--text-light)}.room-info{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:30px;padding:15px;background:var(--bg-card);border-radius:var(--radius)}.room-id{font-family:monospace;font-size:18px;font-weight:700;color:var(--primary-color);letter-spacing:2px}.players-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:30px}.player-slot{background:var(--bg-card);border-radius:var(--radius);padding:20px;text-align:center;border:2px solid var(--border-color);transition:all .3s}.player-slot.occupied{border-color:var(--primary-color)}.player-slot.ready{border-color:var(--success-color);background:#8bc34a1a}.player-name{display:block;font-size:16px;font-weight:500;margin-bottom:5px}.player-status{font-size:12px;color:var(--text-muted)}.room-actions{display:flex;gap:10px;justify-content:center;margin-bottom:30px}.game-container{width:100%;height:100dvh;height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}.game-info-bar{position:absolute;top:0;left:0;display:flex;align-items:center;gap:8px;padding:6px 10px;background:#000000b3;z-index:10;font-size:12px;color:#fff;white-space:nowrap}.game-info-bar .separator{color:#ffffff4d;-webkit-user-select:none;user-select:none}#game-canvas-wrapper{display:flex;justify-content:center;align-items:center;flex:1;position:relative;background:#1a1a2e;background-image:radial-gradient(ellipse at center,#1e2a3a,#1a1a2e 40%,#112)}.history-panel{position:fixed;top:50px;right:10px;width:420px;max-height:70vh;background:#000000e6;border-radius:8px;padding:12px;overflow-y:auto;z-index:15;transform:translate(110%);transition:transform .3s ease;font-size:12px;color:#ccc;display:flex;flex-direction:column;gap:8px}.history-panel.visible{transform:translate(0)}.history-toggle-btn{position:fixed;top:50px;right:10px;background:#000000b3;color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer;z-index:16;font-size:12px}.history-toggle-btn:hover{background:#000000e6}.history-panel h4{color:#d4a843;font-size:14px;margin:0 0 6px;text-align:center}#history-list{flex:1;overflow-y:auto}.history-entry{padding:6px 8px;margin-bottom:4px;background:#ffffff0d;border-radius:4px;border-left:3px solid #666}.history-entry.win{border-left-color:#f44336}.history-entry.draw{border-left-color:#ff9800}.history-entry .round-title{font-weight:700;color:#fff;margin-bottom:2px;display:flex;justify-content:space-between;align-items:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-entry .joker-badge{color:#f0d878;font-size:10px;font-weight:400;background:#f0d8781f;border:1px solid rgba(240,216,120,.3);border-radius:3px;padding:1px 6px;white-space:nowrap;flex-shrink:0}.history-entry .fan-detail{font-size:11px;color:#aaa;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-entry .score-change{display:flex;justify-content:space-between;margin-top:2px;font-size:11px;white-space:nowrap;gap:8px}.history-entry .score-change .pos{color:#8bc34a}.history-entry .score-change .neg{color:#f44336}.win-tiles{display:flex;align-items:center;flex-wrap:nowrap;gap:0;margin:4px 0;padding:4px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);min-height:36px;overflow-x:auto}.tile-group{display:flex;align-items:center;gap:2px;flex-shrink:0}.meld-group{gap:6px}.meld-set{display:flex;gap:1px;background:#ffffff0a;border-radius:2px;padding:1px 2px}.tile-thumb{width:24px;height:30px;object-fit:contain;border-radius:2px;background:#ffffff0f}.tile-thumb.tile-win{border:2px solid #f0d878;border-radius:3px;box-shadow:0 0 6px #f0d87866}.tile-spacer{color:#fff3;font-size:16px;margin:0 4px;-webkit-user-select:none;user-select:none}.hand-group{gap:1px}.win-tile-group{gap:0}.total-scores{border-top:1px solid #444;padding-top:8px}.total-scores .score-row{display:flex;justify-content:space-between;padding:3px 0;font-size:13px}.total-scores .score-row .name{color:#fff}.total-scores .score-row .pts{color:#d4a843;font-weight:700}.pagination{display:flex;justify-content:center;align-items:center;gap:12px;padding:8px 0;margin-top:4px;border-top:1px solid rgba(255,255,255,.08)}.pagination .page-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#ccc;padding:4px 12px;border-radius:3px;cursor:pointer;font-size:11px;transition:all .2s}.pagination .page-btn:hover:not(:disabled){background:#ffffff26;color:#fff}.pagination .page-btn:disabled{opacity:.35;cursor:not-allowed}.pagination .page-info{color:#d4a843;font-size:12px;font-weight:700;min-width:40px;text-align:center}#game-canvas{display:block;border-radius:4px;box-shadow:0 0 40px #00000080,0 0 80px #0003}.action-bar{position:fixed;bottom:20px;right:180px;background:#000000d9;padding:12px 16px;display:flex;justify-content:center;align-items:center;gap:12px;z-index:20;border:1px solid rgba(255,215,0,.3);border-radius:8px}.action-bar.hidden{display:none!important}.action-countdown{font-size:18px;font-weight:700;color:#f44336;min-width:24px;text-align:center;font-family:Consolas,Courier New,monospace}.action-buttons{display:flex;flex-direction:row;gap:8px}.panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border-radius:var(--radius);padding:30px;min-width:400px;box-shadow:var(--shadow);z-index:30;text-align:center}.panel.hidden{display:none}.panel h3{margin-bottom:20px;color:var(--text-light);font-size:24px}.panel-countdown{position:absolute;top:10px;right:15px;font-size:14px;color:var(--warning-color);font-weight:700}.score-panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border-radius:var(--radius);padding:20px;min-width:320px;max-width:90vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow);z-index:30;text-align:center}.score-panel.hidden{display:none}.score-panel h3{margin-bottom:15px;color:var(--text-light);font-size:20px;position:sticky;top:0;background:var(--bg-card);padding-bottom:10px;z-index:1}.draw-panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border-radius:var(--radius);padding:40px 30px;min-width:380px;box-shadow:var(--shadow);z-index:30;text-align:center}.draw-panel.hidden{display:none}.draw-panel h3{margin-bottom:10px;color:var(--warning-color);font-size:28px}.draw-panel .draw-message{color:var(--text-color);font-size:16px;margin-bottom:20px}.waiting-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000d9;border:2px solid var(--primary-color);border-radius:12px;padding:30px 50px;text-align:center;z-index:1000;color:var(--text-white)}.waiting-panel.hidden{display:none}.waiting-panel h3{font-size:24px;color:var(--success-color);margin-bottom:12px}.waiting-panel p{font-size:16px;color:var(--text-color);animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}#score-details{margin-bottom:20px;text-align:left}.score-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-color)}.score-item .fan-name{color:var(--text-color)}.score-item .fan-value{color:var(--primary-color);font-weight:700}.total-score{display:flex;justify-content:space-between;padding:15px 0;margin-top:10px;border-top:2px solid var(--primary-color);font-size:18px;font-weight:700}.player-scores{border-top:1px solid var(--border-color);padding-top:15px}.player-scores h4{margin-bottom:10px;color:var(--text-light)}.positive{color:var(--success-color);font-weight:700}.negative{color:var(--danger-color);font-weight:700}.score-list{max-height:200px;overflow-y:auto}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:100}.modal.hidden{display:none}.modal-content{background:var(--bg-card);border-radius:var(--radius);padding:30px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto}.modal-content h3{text-align:center;margin-bottom:20px;color:var(--text-light)}.room-section{margin-top:16px}.room-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border-color)}.room-section-header span{font-size:16px;font-weight:600;color:var(--text-light)}.room-section .room-list{max-height:35vh;overflow-y:auto}.manual-connect-steps{margin-bottom:20px}.step{margin-bottom:20px;padding:15px;background:#0000004d;border-radius:var(--radius)}.step h4{margin-bottom:10px;color:var(--primary-color)}.step p{color:var(--text-muted);margin-bottom:10px;font-size:14px}.code-area{height:100px;font-family:monospace;font-size:12px;resize:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}@media (max-width: 768px){.lobby-container{padding:40px 16px 30px}.title{font-size:28px}.lobby-actions{flex-direction:column}.players-list{grid-template-columns:1fr}.action-bar{padding:10px 12px;gap:8px}.btn-action{padding:10px 16px;font-size:14px;min-width:60px}.action-countdown{font-size:16px}}.tenpai-tooltip{position:fixed;z-index:1000;background:#0a0a0aeb;border:2px solid #f0d878;border-radius:8px;padding:8px 12px;pointer-events:none;font-size:13px;color:#f0d878;white-space:nowrap;box-shadow:0 4px 16px #0009;font-family:Microsoft YaHei,sans-serif}.tenpai-tooltip.hidden{display:none}.orientation-prompt{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;display:flex;justify-content:center;align-items:center;z-index:10000;opacity:0;visibility:hidden;transition:all .3s ease}.orientation-prompt.visible{opacity:1;visibility:visible}.orientation-prompt-content{text-align:center;color:#fff;padding:20px}.orientation-icon{font-size:64px;margin-bottom:20px;animation:rotate 2s infinite}@keyframes rotate{0%,to{transform:rotate(0)}50%{transform:rotate(90deg)}}.orientation-text{font-size:24px;font-weight:700;margin-bottom:10px}.orientation-subtitle{font-size:14px;opacity:.8}@media (max-width: 768px){.btn{min-height:44px;min-width:44px}.btn-action{padding:12px 20px;font-size:16px}}@media (orientation: landscape){.game-container{height:100vh;height:100dvh}.history-toggle-btn{top:10px;right:10px;padding:6px 10px;font-size:11px}.history-panel{width:350px;top:40px;right:5px;padding:10px;font-size:12px}}@media (max-width: 768px){.game-info-bar{padding:8px 12px;font-size:12px}.action-bar{padding:10px 12px;gap:8px;bottom:10px;right:120px}.btn-action{padding:10px 16px;font-size:14px;min-width:60px}.history-panel{width:320px;right:5px;top:40px}}@media (orientation: landscape) and (max-height: 500px){.game-info-bar{padding:4px 8px;font-size:10px;gap:6px}.action-bar{padding:8px 10px;bottom:8px;right:8px}.btn-action{padding:8px 12px;font-size:13px}.history-panel{width:300px;font-size:11px}.tile-thumb{width:20px;height:26px}.score-panel,.draw-panel{min-width:200px;padding:12px;max-width:90vw;max-height:90vh;overflow-y:auto}.score-panel h3,.draw-panel h3{font-size:14px;margin-bottom:8px;padding-bottom:8px}.score-item{padding:3px 0;font-size:10px}.score-list{max-height:none;overflow-y:visible}.score-panel .btn-primary,.draw-panel .btn-primary{margin-top:10px;padding:8px 20px;font-size:13px;position:sticky;bottom:0}.tenpai-tooltip{font-size:12px;padding:6px 10px;max-width:200px;white-space:normal;word-break:break-all}}.touch-ripple{position:fixed;width:40px;height:40px;margin-left:-20px;margin-top:-20px;border-radius:50%;background:#ffffff59;pointer-events:none;z-index:9999;animation:touch-ripple-expand .4s ease-out forwards}@keyframes touch-ripple-expand{0%{transform:scale(0);opacity:1}to{transform:scale(2.5);opacity:0}}.touch-highlight{position:relative}.touch-highlight:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffff1a;border-radius:inherit;opacity:0;transition:opacity .15s ease;pointer-events:none}.touch-highlight:active:after{opacity:1}@media (pointer: coarse){.btn-action{min-height:48px;min-width:48px;padding:12px 16px}#game-canvas{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}}@media (max-width: 768px) and (pointer: coarse){.btn-action{min-height:52px;padding:14px 18px;font-size:16px}}.btn,.btn-action{transition:transform .1s ease,opacity .1s ease;-webkit-tap-highlight-color:transparent}.btn:active,.btn-action:active{transform:scale(.93);opacity:.85}@media (pointer: coarse){.btn:active,.btn-action:active{transform:scale(.9);opacity:.8}}.action-button-highlight{animation:action-highlight .5s ease}@keyframes action-highlight{0%,to{box-shadow:0 0 #ffd70066}50%{box-shadow:0 0 20px 10px #ffd70066}}