:root{--bg:#f3f6fc;--surface:#fff;--ink:#253454;--muted:#8994a9;--line:#e7ecf5;--blue:#4c70df;--blue-soft:#edf2ff;--gold:#ae873f;--shadow:0 8px 36px #293d7510;--radius:22px;font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 12% 4%,#e8edff 0,transparent 45%),radial-gradient(ellipse at 93% 100%,#edf0ff 0,transparent 42%),var(--bg);min-height:100svh;-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer;color:inherit;border:0;background:none}button:disabled{opacity:.5;cursor:wait}button:focus-visible,canvas:focus-visible,input:focus-visible{outline:3px solid #89a4ff;outline-offset:3px}button{transition:background .16s,transform .16s,color .16s}button:active{transform:translateY(1px)}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.symbols{position:absolute;width:0;height:0;overflow:hidden}.shell{width:min(948px,100% - 56px);margin:0 auto}.header{height:94px;display:flex;align-items:center;justify-content:space-between;gap:16px}.header h1{display:flex;align-items:center;gap:13px;font-size:24px;letter-spacing:-.8px;margin:0;font-weight:800}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--ink);color:#fff;box-shadow:0 4px 12px #24365c1a}.brand-mark svg{width:25px;height:25px;fill:#b6c6ff;stroke:#b6c6ff}.header-tools{display:flex;gap:6px;align-items:center}.nickname-button{display:flex;align-items:center;gap:9px;background:#ffffffb0;padding:10px 14px;border-radius:12px;font-size:12px;max-width:180px}.nickname-button span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nickname-button svg{width:14px;height:14px;color:var(--muted)}.icon-button{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;color:var(--muted)}.icon-button:hover{background:var(--blue-soft);color:var(--blue)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:26px;align-items:start;max-width:850px;margin:auto}.play-panel{width:100%;max-width:520px}.scorebar{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:10px;margin:0 0 15px;align-items:center;padding:0 9px}.score-cell{display:flex;flex-direction:column;gap:3px}.score-cell>span{font-size:11px;letter-spacing:1px;color:var(--muted)}.score-cell strong{font-size:31px;line-height:1.25;font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:-1px}.score-cell:first-child strong{color:var(--blue);font-size:37px}.score-cell:nth-child(2){border-left:1px solid #dce3f0;padding-left:24px}.score-cell:nth-child(3){text-align:right}.score-cell small{font-size:15px;font-weight:500;letter-spacing:0;margin-right:3px;color:var(--muted)}.board-wrap{position:relative;aspect-ratio:440 / 660;max-height:calc(100svh - 212px);min-height:350px;max-width:100%;margin:auto;background:#fff;border:1px solid #dfe6f2;border-radius:var(--radius);box-shadow:0 14px 40px #2f437814;overflow:hidden}.board-wrap:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 5px #f9fbff;pointer-events:none}canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none;outline:none}.next-tag{position:absolute;right:16px;top:13px;display:flex;align-items:center;gap:7px;pointer-events:none;color:var(--muted);font-size:10px;line-height:1;z-index:2}.next-tag img{width:31px;height:28px;object-fit:contain}.next-tag b{font-size:11px;font-weight:600;color:#6e7fa6}.loading{position:absolute;inset:0;background:#fff;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--blue);font-size:12px;z-index:3}.loading[hidden]{display:none}.loading svg{animation:turn 2s linear infinite}@keyframes turn{to{transform:rotate(360deg)}}.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:13px 4px 0}.input-hint{font-size:10px;color:var(--muted);white-space:nowrap}.board-toolbar>div{display:flex;align-items:center;gap:8px}.tool-button{display:flex;align-items:center;justify-content:center;gap:5px;font-size:11px;padding:7px 8px;border-radius:9px;color:#647490}.tool-button svg{width:15px;height:15px}.tool-button:hover{background:#e5ebfb;color:var(--blue)}.touch-hint,.mobile-ranks{display:none}.toast{position:absolute;top:19%;left:50%;transform:translate(-50%,-8px);max-width:90%;pointer-events:none;background:#283858e8;color:white;padding:9px 16px;border-radius:11px;font-size:12px;line-height:1.5;white-space:nowrap;opacity:0;transition:.2s;z-index:4}.toast.visible{opacity:1;transform:translate(-50%,0)}.sidebar{display:flex;flex-direction:column;gap:18px}.card{background:#ffffffdf;border:1px solid #fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card-title{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-bottom:17px}.card-title h2{display:flex;gap:8px;align-items:center;font-size:15px;letter-spacing:-.2px;margin:0;font-weight:750}.card-title h2 svg{width:19px;height:19px;color:var(--blue)}.mode-pill{font-size:9px;line-height:1;padding:6px 7px;border-radius:6px;background:#f0f3f8;color:#8895ac;font-weight:500;white-space:nowrap}.mode-pill.online{background:#edf7f3;color:#55927a}.rank-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px}.tabs{display:inline-flex;background:#f1f4fa;border-radius:9px;padding:3px;gap:2px}.tabs button{padding:6px 20px;font-size:11px;border-radius:7px;color:var(--muted)}.tabs button.active{color:var(--blue);background:#fff;box-shadow:0 2px 6px #3447700c;font-weight:700}.refresh-rank{width:27px;height:27px}.refresh-rank svg{width:15px;height:15px}.rank-head{display:flex;justify-content:space-between;color:#a0aabc;font-size:9px;letter-spacing:.4px;margin-bottom:6px;padding:0 4px}.rank-list{min-height:139px}.rank-row{display:flex;align-items:center;gap:9px;padding:10px 3px;border-bottom:1px solid #f0f3f8;min-height:48px}.rank-row:last-child{border-bottom:0}.rank-number{width:23px;height:24px;display:grid;place-items:center;border-radius:7px;font-size:12px;font-weight:700;color:#96a0b2;flex:none;font-variant-numeric:tabular-nums}.rank-row:nth-child(1) .rank-number{color:#a07b38;background:#f8f0dc}.rank-row:nth-child(2) .rank-number{color:#8290a9;background:#f0f3f8}.rank-row:nth-child(3) .rank-number{color:#ab8f7d;background:#f7f0eb}.rank-person{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.rank-name{font-size:11px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;max-width:160px}.rank-person small{font-size:9px;color:#a2acbd}.rank-value{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}.rank-row.me .rank-name{color:var(--blue)}.rank-empty{min-height:150px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:11px;color:#a2acbd;font-size:11px}.rank-empty svg{width:33px;height:33px;stroke-width:1;color:#c9d4e7}.rank-empty small{font-size:9px;color:#b6bed0}.my-rank{margin-top:10px;padding:11px 13px;border-radius:11px;background:#f0f4ff;display:flex;align-items:center;justify-content:space-between;color:#7082ac;font-size:10px}.my-rank strong{color:var(--blue);font-size:12px}.view-all{width:100%;display:flex;justify-content:center;align-items:center;gap:6px;margin-top:13px;font-size:10px;color:#9aa5b9}.view-all svg{width:11px;height:11px}.view-all:hover{color:var(--blue)}.evolution-count{font-size:10px;color:#a4aec0}.evolution-count b{font-size:12px;color:#6480c8}.evolution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px 8px}.evolution-tile{padding:2px 0;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:0;border-radius:9px}.evolution-tile img{width:50px;height:52px;object-fit:contain;transition:transform .18s;filter:drop-shadow(0 2px 1px #20305614)}.evolution-tile small{font-size:9px;color:#a2adc1}.evolution-tile.seen small{color:#5477ce}.evolution-tile.current small{background:#edf2ff;color:#476bd1;border-radius:4px;padding:2px 6px;margin:-2px 0}.evolution-tile:hover{background:#f6f8fd}.evolution-tile:hover img{transform:translateY(-3px)}.evolution-tile:last-child{grid-column:3/5;align-self:center}.evolution-tile:last-child img{width:70px}.evolution-tile:last-child small{color:#a48a54}.evolution-card .card-title{margin-bottom:14px}footer{display:flex;justify-content:space-between;max-width:850px;margin:21px auto 17px;color:#a5afc2;font-size:9px}footer button{padding:0;color:inherit;font-size:inherit}.modal{border:1px solid #f4f6fa;padding:27px;border-radius:23px;color:var(--ink);box-shadow:0 30px 120px #22355635;width:min(92vw,490px);max-height:88svh;overflow:auto;background:#fff}.small-modal{max-width:356px}.modal::backdrop{background:#2433545c;backdrop-filter:blur(5px)}.modal-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.modal-top h2{font-size:18px;letter-spacing:-.5px;margin:0;display:flex;align-items:center;gap:9px}.modal p{font-size:12px;line-height:1.9;margin:12px 0}.primary,.secondary{border-radius:12px;padding:13px 16px;font-size:13px;font-weight:600;min-height:44px}.primary{background:var(--blue);color:#fff;box-shadow:0 5px 12px #567ce22a}.primary:hover{background:#3d60cd}.secondary{background:#f2f5fb;color:#70809f}.secondary:hover{background:#e8eef9}.full{width:100%;margin-top:11px;display:block}.muted{color:var(--muted)}.small{font-size:10px!important}.help-demo{display:flex;justify-content:center;align-items:center;gap:13px;margin:0 0 21px;font-size:14px;color:#b2bed0}.help-demo img{width:58px;height:63px;object-fit:contain}.help-lines{padding:0 4px}.help-lines p{margin:7px 0;font-size:12px}input{width:100%;padding:13px;border:1px solid #dfe5f2;background:#fafbfe;color:var(--ink);border-radius:11px;outline:none;font-size:13px}input::placeholder{color:#a7b1c3}.end-modal{text-align:center}.end-modal .modal-top{margin-bottom:14px}.end-cup{color:#b79651;width:25px;height:25px}.end-score{font-size:64px;letter-spacing:-3px;font-weight:750;line-height:1.3;display:block;color:var(--blue)}.end-level{display:flex;align-items:center;justify-content:center;gap:11px;font-size:11px;color:#7a88a2;margin:9px 0 19px}.end-level img{width:51px;height:51px;object-fit:contain}.submit-status{min-height:16px;font-size:10px!important;color:#8998b6;margin:9px 0 0!important}.text-link{font-size:11px;color:var(--blue);margin-top:17px}.rank-modal{max-width:480px}.rank-modal .rank-row{min-height:58px}.rank-modal .rank-name{font-size:13px;max-width:230px}.rank-modal .rank-number{margin-right:6px}.rank-modal .rank-value{font-size:16px}.full-rank-list{max-height:51svh;overflow-y:auto}.rank-notes{display:flex;justify-content:space-between;gap:12px;margin-top:20px;font-size:9px;color:#a3afc2}.detail-modal{max-width:480px}.detail-image{display:flex;align-items:center;justify-content:center;min-height:200px;background:radial-gradient(ellipse,#edf2fb,transparent 70%);padding:12px}.detail-image img{max-width:100%;max-height:61svh;object-fit:contain}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1200px){.shell{padding-top:7px}.board-wrap{max-height:660px}.header{height:104px}}
@media(max-width:760px){.shell{width:min(520px,100% - 28px)}.header{height:68px;gap:5px}.header h1{font-size:20px;gap:9px;letter-spacing:-.5px}.brand-mark{width:32px;height:32px;border-radius:10px}.brand-mark svg{width:21px;height:21px}.header-tools{gap:0}.nickname-button{padding:8px 8px;font-size:10px;background:none;max-width:107px;gap:4px}.nickname-button svg{width:11px;height:11px}.header-tools .icon-button{width:31px;height:31px}.header-tools .icon-button svg{width:19px;height:19px}.layout{grid-template-columns:1fr;gap:23px}.play-panel{max-width:none}.scorebar{margin:2px 0 11px;padding:0 8px}.score-cell{gap:2px}.score-cell>span{font-size:10px}.score-cell strong{font-size:26px}.score-cell:first-child strong{font-size:32px}.score-cell:nth-child(2){padding-left:20px}.board-wrap{max-height:calc(100svh - 197px);min-height:320px;border-radius:19px}.board-toolbar{padding-top:11px}.input-hint{font-size:9px}.board-toolbar>div{gap:4px}.tool-button{font-size:10px;padding:6px 7px;gap:4px}.tool-button svg{width:14px;height:14px}.mobile-ranks{display:flex}.sidebar{gap:16px}.ranking-card{padding:21px}.card-title h2{font-size:15px}.rank-person .rank-name{font-size:12px;max-width:240px}.rank-value{font-size:14px}.rank-row{padding-top:12px;padding-bottom:12px}.evolution-grid{grid-template-columns:repeat(6,1fr);gap:12px 6px}.evolution-tile img{width:43px;height:47px}.evolution-tile:last-child{grid-column:5/7}.evolution-tile:last-child img{width:65px}.card{border-radius:20px}.next-tag{right:12px;top:11px;font-size:9px;gap:4px}.next-tag img{width:26px;height:24px}.rank-empty{min-height:145px}.rank-notes{font-size:8px}.evolution-card .card-title{margin-bottom:18px}}
@media(pointer:coarse){.mouse-hint{display:none}.touch-hint{display:inline}}@media(max-width:359px){.header h1{font-size:18px}.nickname-button{max-width:72px}.header-tools .icon-button{width:28px}.shell{width:calc(100% - 20px)}.board-toolbar>div{gap:0}.input-hint{font-size:8px}.evolution-tile img{width:37px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.board-wrap{width:min(100%,440px,calc((100svh - 250px)*.666667));min-height:0;height:auto;max-height:none}
@media(max-width:760px){.board-wrap{width:min(100%,440px,calc((100svh - 197px)*.666667));min-height:0;max-height:none}}

.touch .mouse-hint{display:none}.touch .touch-hint{display:inline}

/* v9: explicit leaderboard source, without changing game presentation. */
.rank-sources{display:flex;width:100%;margin:10px 0 4px}.rank-sources button{flex:1}
.rank-connection{font-size:11px;line-height:1.6;color:var(--muted,#7b8aa0);margin:9px 0;overflow-wrap:anywhere}
.pending-button{font-size:12px;margin:8px 0;padding:8px 10px}
[hidden]{display:none!important}

/* v11: real loading on a compact welcome screen, not a timed fake progress bar. */
[hidden]{display:none!important}.start-screen{position:absolute;inset:0;z-index:4;display:flex;align-items:center;flex-direction:column;padding:34px 22px 16px;background:radial-gradient(ellipse at 70% 25%,#fff6df 0,transparent 56%),linear-gradient(160deg,#f5f8ff,#fff 65%,#eef3ff);overflow:auto}
.start-eyebrow{font-size:10px;font-weight:750;letter-spacing:3px;color:#92a0bc}.start-screen h2{font-size:38px;line-height:1.18;letter-spacing:3px;margin:18px 0 3px;text-align:center;color:#304665;font-weight:800}.start-art{position:relative;width:240px;height:206px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.start-art img{position:relative;z-index:1;width:220px;height:162px;object-fit:contain;filter:drop-shadow(0 12px 12px #6381bb18)}.orbit{position:absolute;border:1px solid #d1dced;border-radius:50%;width:216px;height:168px;transform:rotate(-24deg)}.orbit-two{width:168px;height:196px;transform:rotate(27deg);border-style:dashed;border-color:#e1d8c2}.start-spark{position:absolute;right:2px;top:31px;color:#c7a566;font-size:29px}.start-caption{color:#77869e;font-size:13px;margin:4px 0 20px}.start-button{width:min(100%,276px);min-height:48px;letter-spacing:3px;font-size:16px;border-radius:16px;box-shadow:0 8px 24px #597dda27}.start-status{display:flex;align-items:center;flex-direction:column;gap:6px;font-size:11px;color:#8593aa;margin:13px 0 12px;width:180px}.start-status progress{width:100%;height:3px;appearance:none;border:0;border-radius:3px;background:#dde6f2}.start-status progress::-webkit-progress-bar{background:#dde6f2;border-radius:3px}.start-status progress::-webkit-progress-value{background:#9aadcc;border-radius:3px;transition:width .2s}.start-status progress::-moz-progress-bar{background:#9aadcc}.start-rules{font-size:12px;color:#7183a0;text-align:center;max-width:100%;margin:4px auto 0}.start-rules summary{cursor:pointer;padding:4px 16px}.start-rules p{font-size:12px;line-height:1.9;text-align:left;margin:8px 0 0}.in-lobby #pause-button,.in-lobby #restart-button{opacity:.35;pointer-events:none}.in-lobby .next-tag{visibility:hidden}.tile-lock{display:none;align-items:center;justify-content:center;color:#adbad0;font-size:23px;height:100%;font-weight:600}.evolution-tile.locked img{display:none}.evolution-tile.locked .tile-lock{display:flex}.evolution-tile.locked{background:#f5f7fb}.asset-wait{position:absolute;top:45%;left:50%;transform:translate(-50%,-50%);z-index:5;max-width:90%;background:#ffffffeb;border:1px solid #dde4f0;border-radius:12px;padding:13px 16px;box-shadow:0 5px 20px #304b6d18;display:flex;gap:8px;align-items:center;color:#607291;font-size:13px;white-space:nowrap}.asset-wait button{border:0;background:#ebf0ff;color:#4e6aa8;border-radius:8px;padding:5px 9px;cursor:pointer}.end-summary{text-align:center;font-size:12px;color:#7686a0;line-height:1.65;margin:10px 0 8px}.end-warm{font-size:13px;color:#677f9e;line-height:1.85;text-align:center;background:#f4f7fc;border-radius:12px;padding:11px 15px;margin:0 0 17px}.end-modal{max-height:calc(100dvh - 32px);overflow:auto}.end-modal #end-title{font-size:19px}.end-modal .end-score{font-size:44px}.end-modal .end-level img{height:60px}
@media(max-width:650px){.start-screen{padding:20px 16px 12px}.start-screen h2{font-size:32px;margin:12px 0 0}.start-art{height:185px;width:224px}.start-art img{width:206px;height:151px}.start-caption{margin:2px 0 16px}.start-status{margin:10px 0 8px}.end-modal{padding:22px}.end-modal .end-score{font-size:38px}.end-warm{margin-bottom:12px}}
@media(max-height:700px) and (max-width:650px){.start-screen{padding-top:12px}.start-screen h2{font-size:28px}.start-art{height:156px}.start-art img{width:187px;height:137px}.start-caption{margin-bottom:10px}.start-button{min-height:42px}.start-status{margin:8px 0 4px}}

.evolution-tile img:not([src]){visibility:hidden}.evolution-tile:not(.locked):has(img:not([src])) .tile-lock{display:flex;position:absolute;inset:0 0 16px}