*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--table-green: #1a5c32;--table-green-light: #1e6b3a;--table-green-dark: #0d3d1f;--table-felt: #164d2b;--tile-ivory: #faf6e9;--tile-ivory-dark: #f0ead5;--tile-border: #c8b890;--tile-shadow: rgba(0, 0, 0, .3);--gold: #d4a020;--gold-bright: #ffd700;--gold-glow: rgba(255, 200, 50, .6);--gold-dim: #b8860b;--suit-wan: #cc2200;--suit-tong: #1e5aa8;--suit-tiao: #228b22;--suit-dragon-red: #cc2200;--suit-dragon-green: #228b22;--panel-bg: rgba(0, 0, 0, .6);--panel-bg-solid: #1a1410;--panel-border: rgba(255, 255, 255, .1);--text-primary: #f5f0e0;--text-secondary: #a09880;--text-muted: #706858;--text-score: #ffd700;--text-negative: #ff6b6b;--btn-chi: #4a90d9;--btn-chi-hover: #5ca0e9;--btn-pong: #d4582a;--btn-pong-hover: #e4683a;--btn-kong: #8b5cf6;--btn-kong-hover: #9b6cff;--btn-win: #ffd700;--btn-win-hover: #ffe040;--btn-pass: #6b7280;--btn-pass-hover: #7b8290;--btn-discard: #2ecc71;--btn-discard-hover: #3edc81;--font-cn: "Noto 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rgba(212,160,32,.4)}.center-area__wind-label--top{top:2px;left:50%;transform:translate(-50%)}.center-area__wind-label--bottom{bottom:2px;left:50%;transform:translate(-50%)}.center-area__wind-label--left{left:6px;top:50%;transform:translateY(-50%)}.center-area__wind-label--right{right:6px;top:50%;transform:translateY(-50%)}.center-area__wall{text-align:center}.center-area__wall-number{font-size:36px;font-weight:800;font-family:var(--font-mono);color:var(--text-primary);line-height:1;display:block}.center-area__wall-label{font-size:11px;color:var(--text-secondary);font-family:var(--font-cn);letter-spacing:2px;margin-top:2px}.center-area__round-info{font-size:12px;color:var(--text-secondary);font-family:var(--font-cn);text-align:center}.hand-row{display:flex;gap:2px;align-items:flex-end;justify-content:center}.drawn-tile-gap{width:12px;flex-shrink:0}.discard-pile{display:grid;grid-template-columns:repeat(7,auto);gap:3px;padding:6px;justify-content:center;background:#0000001f;border-radius:6px;min-height:44px}.discard-pile--compact{grid-template-columns:repeat(6,auto);gap:2px;padding:4px}.discard-pile__tile-wrapper{position:relative}.discard-pile__tile-wrapper--last{z-index:1}.discard-pile__tile-wrapper--last 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#0000004d}.action-btn--chi{background:linear-gradient(135deg,var(--btn-chi),#3a7ac9)}.action-btn--chi:hover{background:linear-gradient(135deg,var(--btn-chi-hover),#4a8ad9)}.action-btn--pong{background:linear-gradient(135deg,var(--btn-pong),#c44820)}.action-btn--pong:hover{background:linear-gradient(135deg,var(--btn-pong-hover),#d45830)}.action-btn--kong{background:linear-gradient(135deg,var(--btn-kong),#7b4ce6)}.action-btn--kong:hover{background:linear-gradient(135deg,var(--btn-kong-hover),#8b5cf6)}.action-btn--win{background:linear-gradient(135deg,var(--btn-win),#e6c000);color:#1a1400;text-shadow:0 1px 2px rgba(255,255,255,.2);box-shadow:0 4px 16px #ffd70059;animation:winButtonGlow 1.5s ease-in-out infinite}@keyframes winButtonGlow{0%,to{box-shadow:0 4px 16px #ffd7004d}50%{box-shadow:0 4px 24px #ffd70080,0 0 40px 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ease;letter-spacing:4px;cursor:pointer;position:relative;overflow:hidden}.confirm-discard__btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,transparent 60%);pointer-events:none}.confirm-discard__btn:hover{transform:scale(1.05);box-shadow:0 6px 24px #2ecc7173}.confirm-discard__btn:active{transform:scale(.97)}.scoring-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:grid;place-items:center;z-index:200;animation:overlayFadeIn .35s ease-out}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}.scoring-card{background:linear-gradient(135deg,#2a1810,#1a0f08);border:2px solid var(--gold);border-radius:20px;padding:36px 40px;max-width:560px;width:90vw;box-shadow:0 0 60px #d4a02026,0 20px 60px #0006;animation:scoringCardPop .4s cubic-bezier(.16,1,.3,1)}@keyframes scoringCardPop{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.scoring-card__title{font-family:var(--font-cn);font-size:32px;font-weight:700;color:var(--gold);text-align:center;margin-bottom:24px;text-shadow:0 0 16px rgba(255,200,50,.3);letter-spacing:8px}.scoring-card__title--win{color:var(--gold-bright);text-shadow:0 0 24px rgba(255,215,0,.4)}.scoring-card__title--draw{color:var(--text-secondary);text-shadow:none}.scoring-card__winner-label{text-align:center;font-family:var(--font-cn);font-size:14px;color:var(--text-secondary);margin-bottom:16px}.scoring-card__hand{display:flex;gap:3px;justify-content:center;margin-bottom:24px;flex-wrap:wrap}.scoring-card__chengbao{text-align:center;font-family:var(--font-cn);font-size:14px;font-weight:600;color:#e74c3c;background:#e74c3c1a;border:1px solid rgba(231,76,60,.3);border-radius:6px;padding:6px 12px;margin-bottom:12px}.scoring-card__divider{height:1px;background:linear-gradient(90deg,transparent,rgba(212,160,32,.3),transparent);margin:16px 0}.score-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:14px}.score-row__label{color:var(--text-primary);font-family:var(--font-cn)}.score-row__value{color:var(--gold);font-family:var(--font-mono);font-weight:700;font-size:15px}.score-row--total{border-top:2px solid rgba(212,160,32,.4);border-bottom:none;margin-top:8px;padding-top:12px;font-size:18px}.score-row--total .score-row__value{font-size:22px;color:var(--gold-bright);text-shadow:0 0 8px rgba(255,215,0,.3)}.scoring-card__players{margin-top:20px;display:flex;justify-content:space-around;gap:8px}.score-change{text-align:center;padding:8px 12px;border-radius:8px;background:#ffffff08;min-width:70px}.score-change__name{color:var(--text-secondary);font-family:var(--font-cn);font-size:13px;margin-bottom:6px}.score-change__amount{font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--text-secondary)}.score-change__amount--positive{color:var(--gold-bright);text-shadow:0 0 6px rgba(255,215,0,.3)}.score-change__amount--negative{color:var(--text-negative)}.scoring-card__button{display:block;margin:28px auto 0;padding:12px 48px;background:linear-gradient(135deg,var(--gold),var(--gold-dim));color:#1a1400;font-family:var(--font-cn);font-size:18px;font-weight:700;border-radius:10px;border:none;box-shadow:0 4px 16px #d4a0204d;transition:transform .15s ease,box-shadow .15s ease;letter-spacing:4px;cursor:pointer}.scoring-card__button:hover{transform:scale(1.04);box-shadow:0 6px 24px #d4a02073}.scoring-card__button:active{transform:scale(.97)}.game-log{position:fixed;top:52px;right:8px;width:200px;max-height:280px;overflow-y:auto;overflow-x:hidden;background:#00000080;border:1px solid rgba(255,255,255,.06);border-radius:8px;padding:8px 10px;font-size:11px;color:var(--text-secondary);z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}.game-log::-webkit-scrollbar{width:4px}.game-log::-webkit-scrollbar-track{background:transparent}.game-log::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.game-log__entry{padding:3px 0;border-bottom:1px solid rgba(255,255,255,.03);line-height:1.4}.game-log__entry:last-child{border-bottom:none}.tile{border-radius:5px;cursor:default;transition:transform .15s cubic-bezier(.16,1,.3,1),box-shadow .15s ease;position:relative;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;user-select:none;-webkit-user-select:none}.tile--face-up{background:linear-gradient(170deg,#fefdf5,#f5eed8);border:1px solid #c8b890;box-shadow:1px 2px 3px #0003,inset 0 1px #fff9}.tile--face-down{background:linear-gradient(135deg,#1e7a42,#155e33);border:1px solid #0e4825;box-shadow:1px 2px 3px #0000004d}.tile--clickable{cursor:pointer}.tile--clickable:hover{transform:translateY(-5px);box-shadow:2px 8px 16px #00000040,inset 0 1px #fff9}.tile--selected{transform:translateY(-14px)!important;box-shadow:0 8px 20px #0000004d,0 0 0 2px #3b82f6,0 0 12px #3b82f64d!important;z-index:10}.tile--caishen{border-color:var(--gold)!important;animation:caishenPulse 2.5s ease-in-out infinite}@keyframes caishenPulse{0%,to{box-shadow:1px 2px 3px #0003,0 0 8px #d4a02059,0 0 16px #d4a02026,inset 0 1px #fff9}50%{box-shadow:1px 2px 3px #0003,0 0 12px #d4a02080,0 0 28px #d4a02040,0 0 40px #d4a0201a,inset 0 1px #fff9}}.tile--normal{width:var(--tile-w);height:var(--tile-h)}.tile--small{width:var(--tile-w-sm);height:var(--tile-h-sm)}.tile--tiny{width:var(--tile-w-xs);height:var(--tile-h-xs)}*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}.your-turn-prompt{text-align:center;padding:6px 0;animation:yourTurnPulse 1.5s ease-in-out infinite}.your-turn-prompt__text{font-family:var(--font-cn);font-size:15px;font-weight:700;color:var(--gold-bright);text-shadow:0 0 12px rgba(255,215,0,.4);letter-spacing:2px}@keyframes yourTurnPulse{0%,to{opacity:1}50%{opacity:.5}}.player-info--side{flex-direction:column;min-width:auto;padding:6px 8px;gap:4px;text-align:center}.player-info--side .player-info__name{font-size:11px}.player-info--side .player-info__score{font-size:12px}.settings-toggle-btn{margin-top:20px;padding:10px 36px;background:#ffffff0f;color:var(--text-secondary);font-family:var(--font-cn);font-size:16px;font-weight:500;border-radius:10px;border:1px solid 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ease}.auth-input::placeholder{color:var(--text-muted)}.auth-input:focus{border-color:#d4a02080;box-shadow:0 0 12px #d4a0201a}.auth-button{width:100%;padding:14px 0;margin-top:4px;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-dim) 100%);color:#1a1400;font-family:"Ma Shan Zheng",var(--font-cn);font-size:22px;font-weight:400;border-radius:12px;border:2px solid rgba(255,215,0,.3);box-shadow:0 4px 24px #d4a0204d,inset 0 1px #fff3;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease;letter-spacing:6px;cursor:pointer}.auth-button:hover:not(:disabled){transform:scale(1.03);box-shadow:0 6px 32px #d4a02073,inset 0 1px #ffffff4d}.auth-button:active:not(:disabled){transform:scale(.98)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-error{background:#ff50501f;border:1px solid rgba(255,80,80,.3);border-radius:8px;padding:10px 14px;color:#ff8a8a;font-size:13px;text-align:center;animation:authErrorShake .35s ease-out}@keyframes 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