:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#365877;background:#ddecf7;font-synthesis:none;--blue:#5b9ec6;--ink:#365877}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:linear-gradient(90deg,#dcebf4b8,#eaf5fb55,#dcebf4ba),url('assets/cloud-cafe.webp') center 35%/cover fixed}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0}button:disabled{cursor:default;opacity:.5}button:not(:disabled):active{transform:translateY(2px)}button:focus-visible,a:focus-visible{outline:3px solid #e6a64e;outline-offset:3px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.top{height:80px;max-width:1440px;margin:auto;padding:0 42px;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;letter-spacing:1px}.top>a,.top>button{background:#ffffffb8;border:1px solid #fff;border-radius:24px;padding:12px 18px}.top>span{letter-spacing:3px;font-size:10px}.layout{max-width:1370px;margin:15px auto 35px;display:grid;grid-template-columns:1fr 460px 1fr;gap:40px;align-items:center;padding:0 34px}.story{align-self:start;padding-top:130px}.eyebrow{font-size:9px;font-weight:800;letter-spacing:2.6px;color:#7498b5}.story h1{font-size:clamp(28px,3.1vw,47px);font-weight:500;line-height:1.55;letter-spacing:3px;margin:23px 0}.story h1 span{color:#5b95be}.story p{font-size:13px;line-height:2.2;color:#63839e}.story-note{display:flex;gap:13px;align-items:center;margin-top:50px}.story-note>span{font-size:35px;color:#c59c5d}.story-note b{font-size:12px;letter-spacing:2px}.story-note small{display:block;font-size:10px;color:#7993aa;margin-top:8px}.game-shell{background:#f9fdfff2;border:2px solid #fff;border-radius:30px;padding:22px;box-shadow:0 24px 80px #507c9a30,0 3px 0 #c7deed;overflow:hidden}.shell-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.shell-heading h2{font-size:19px;letter-spacing:1px;margin:6px 0 0;font-weight:800}.round{width:34px;height:34px;border-radius:50%;background:#e8f2f8;border:1px solid white;font-size:18px}.cover{height:245px;border-radius:20px;background:linear-gradient(0deg,#3f65867a,transparent 55%),url('assets/cloud-cafe.webp') center 10%/cover;position:relative;color:white;box-shadow:inset 0 0 0 1px #ffffffaa}.cover-tag{position:absolute;left:14px;top:14px;background:#ffffffd9;color:#507895;font-size:10px;padding:7px 10px;border-radius:20px}.cover>div{position:absolute;bottom:18px;left:20px;text-shadow:0 1px 5px #244d69}.cover>div>span{font-size:11px;letter-spacing:2px}.cover b{display:block;font-size:23px;letter-spacing:2px;margin-top:6px}.home-copy{display:flex;justify-content:space-between;align-items:center;padding:20px 0 15px}.home-copy h3{margin:0;font-size:16px}.home-copy p{font-size:11px;color:#7894aa;margin:8px 0 0}.star-badge{background:#fff4d9;border:1px solid #f1dfae;color:#bb8f48;border-radius:20px;padding:7px 12px;font-size:13px;font-weight:800}.primary{width:100%;background:linear-gradient(#80b9d9,#5a9ac2);border:1px solid #5e9fc7;border-radius:16px;color:#fff;font-weight:800;letter-spacing:2px;padding:15px;box-shadow:0 4px 0 #4483ab, inset 0 1px 0 #c3eaff}.map-heading{display:flex;justify-content:space-between;align-items:center;margin:27px 0 13px;font-size:12px}.map-heading small{font-size:10px;color:#8ba4b7}.level-map{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;max-height:240px;overflow:auto;padding:3px}.level-tile{background:#e9f3fa;border:1px solid #d6e7f3;border-radius:14px;min-height:55px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.level-tile b{font-size:17px}.level-tile small{font-size:9px;letter-spacing:1px;color:#c59a49}.level-tile.current{background:#fff6df;border-color:#e9cb86}.footnote{text-align:center;font-size:10px;color:#8a9fb0;margin:18px 0 0;line-height:1.6}.postcard{align-self:end;justify-self:center;transform:rotate(5deg);border:1px solid #fff;background:#f8fcffe0;box-shadow:0 10px 30px #678ba017;padding:30px 26px;margin-bottom:100px}.postcard>span{font-size:8px;letter-spacing:2px}.postcard b{display:block;font-size:21px;font-weight:500;line-height:1.8;margin:20px 0;letter-spacing:2px}.postcard p{font-size:8px;color:#b59d73;letter-spacing:1px}.level-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px}.level-heading>div{text-align:center}.level-heading small{font-size:9px;letter-spacing:2px;color:#8ca5b8}.level-heading h3{font-size:17px;margin:4px 0}.hud{background:#fff;border:1px solid #ddebf3;border-radius:18px;padding:13px;display:flex;gap:15px}.moves{background:#e9f4fb;border-radius:12px;min-width:66px;text-align:center;padding:6px}.moves b{display:block;font-size:29px;color:#588db4;line-height:1.2}.moves small{font-size:9px}.score{flex:1;padding:4px 0}.score>div:first-child{display:flex;justify-content:space-between;align-items:center;font-size:11px}.score b{font-size:21px}.progress-track{height:7px;background:#eaf1f6;border-radius:9px;overflow:hidden;margin:7px 0}.progress-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#9accdc,#edcd86);transition:width .3s}.score>small{font-size:9px;color:#8ca1b1}.goals{display:flex;justify-content:center;gap:12px;min-height:41px;align-items:center;font-size:11px}.goals span{background:#fff7e7;border:1px solid #f2e8d2;padding:4px 9px;border-radius:9px}.goals .done{color:#548c79;background:#e6f5eb;border-color:#cde8d6}.board-wrap{position:relative;background:#c8e0ee;border:5px solid #e4f0f8;outline:1px solid #c7deec;border-radius:20px;box-shadow:0 5px 0 #c4dce9,inset 0 2px 6px #809daf44;padding:6px}.board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:3px;touch-action:none;user-select:none}.tile{aspect-ratio:1;min-width:0;position:relative;display:flex;align-items:center;justify-content:center;background:#e9f5fcad;border-radius:9px;padding:2px;transition:transform .15s,background .15s;box-shadow:inset 0 1px 0 #ffffffaa}.tile svg{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 2px 1px #6d89a533);pointer-events:none}.tile.selected,.tile.hinted{background:#fff4d0;outline:2px solid #d7ae63;z-index:1;transform:scale(1.06)}.tile.iced:after{content:'';position:absolute;inset:1px;border:2px solid #84c3e4;border-radius:9px;background:linear-gradient(135deg,#fff7 10%,transparent 35%,#fff6 45%,transparent 56%);pointer-events:none}.tile .special{position:absolute;bottom:0;right:1px;color:#84612c;background:#fff9de;border:1px solid #e3c982;border-radius:5px;font-size:10px;padding:0 3px;line-height:13px;pointer-events:none}.tile.popping{animation:pop .25s forwards}.tile.falling{animation:fall .22s ease-out}.tile.hinted{animation:hint .7s infinite alternate}.message{text-align:center;min-height:18px;margin:15px 0 13px;font-size:11px;color:#7292aa}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.tools button{background:#fff;border:1px solid #dce9f1;border-radius:15px;padding:8px 2px}.tools button>span{display:block;font-size:24px;color:#95b0cc;line-height:1.2}.tools b{display:block;font-size:11px;margin:5px 0}.tools small{display:block;font-size:8px;color:#94a7b7}.tools em{font-style:normal;background:#edf3fa;border-radius:8px;padding:1px 5px;color:#8d9ab7}.tools .active{background:#fff3d8;border-color:#dbbc7d}#combo{position:absolute;inset:36% 0 auto;text-align:center;font-size:27px;font-weight:900;color:#fff4cb;text-shadow:0 2px 0 #aa8153,0 0 15px #806b49;pointer-events:none;opacity:0}#combo.show{animation:combo .8s both}dialog{border:2px solid white;border-radius:28px;background:#f7fcff;color:var(--ink);width:min(380px,calc(100% - 32px));padding:25px;text-align:center;box-shadow:0 20px 100px #3d66854d}dialog::backdrop{background:#3a5a7580;backdrop-filter:blur(5px)}#dialog-icon{font-size:40px;color:#d4af60;letter-spacing:5px}dialog h2{font-size:22px;margin:13px 0}dialog p{font-size:13px;line-height:1.9;white-space:pre-line;color:#718da5}#dialog-actions{display:grid;gap:12px;margin-top:24px}#dialog-actions .secondary{background:#e8f1f7;border-radius:14px;padding:12px}#dialog-actions a{font-size:12px;padding:8px}.sky-glow{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 40%,transparent,#e2edf588);z-index:-1}@keyframes pop{to{transform:scale(.15) rotate(20deg);opacity:0}}@keyframes fall{from{transform:translateY(-15px);opacity:.3}to{transform:none;opacity:1}}@keyframes hint{to{transform:scale(.88)}}@keyframes combo{0%{opacity:0;transform:scale(.6)}20%,70%{opacity:1;transform:scale(1)}100%{opacity:0;transform:translateY(-25px)}}
@media(min-width:1500px){.layout{margin-top:45px}}@media(max-width:1100px){.layout{grid-template-columns:1fr 440px;gap:25px;max-width:900px}.postcard{display:none}.story h1{font-size:34px}}@media(max-width:720px){body{background-position:center top}.top{height:58px;padding:0 16px}.top>span{display:none}.top>a,.top>button{padding:8px 12px;font-size:10px}.layout{display:block;padding:0 10px;margin:2px auto 25px;max-width:460px}.story{display:none}.game-shell{padding:17px;border-radius:25px}.shell-heading{margin-bottom:14px}.shell-heading h2{font-size:18px}.cover{height:220px}.board-wrap{padding:4px;border-width:4px}.tile{border-radius:7px}.board{gap:2px}}@media(max-width:360px){.game-shell{padding:12px}.shell-heading h2{font-size:16px}.level-map{gap:5px}.cover{height:190px}.hud{padding:9px}.tools small{font-size:8px}}
/* Motion layer: the cell stays fixed while its piece follows the actual board path. */
.board{position:relative;overflow:hidden;border-radius:10px;padding:2px}
.tile{overflow:visible;transition:background .15s}
.tile.selected,.tile.hinted{transform:none}
.piece{display:block;position:relative;width:100%;height:100%;pointer-events:none;transform-origin:50% 75%;will-change:transform}
.piece svg{display:block}
.tile.selected .piece svg{filter:drop-shadow(0 0 5px #f5cf77)}
.tile:nth-child(7n+2):not(.selected) .piece>svg{animation:sweet-idle 5s var(--idle-lag) infinite}
.puppy-ears{transform-box:fill-box;transform-origin:center;animation:ear-flap 5.8s var(--idle-lag) infinite}
.puppy-eye{transform-box:fill-box;transform-origin:center;animation:puppy-blink 6.1s var(--idle-lag) infinite}
.enchanted{background:radial-gradient(circle,#fff5d7,#e2eafa)}
.enchanted .piece>svg{animation:magic-breathe 2.2s var(--idle-lag) infinite}
.board-fx{position:absolute;inset:0;pointer-events:none;z-index:4;overflow:hidden;border-radius:14px}
.board-fx i{position:absolute;display:block;font-style:normal;pointer-events:none}
.sweet-spark{width:7px;height:7px;background:var(--fx-color);border-radius:50%;box-shadow:0 0 7px var(--fx-color);color:#fff;font-size:14px;line-height:7px}
.ice-shard{width:11px;height:13px;background:linear-gradient(135deg,#fff,var(--fx-color));clip-path:polygon(50% 0,100% 35%,65% 100%,0 70%)}
.sweet-ring{width:42px;height:42px;border:3px solid var(--fx-color);border-radius:50%;box-shadow:0 0 15px var(--fx-color)}
.sweet-beam{background:#fffde7;box-shadow:0 0 7px 4px #ffebad,0 0 18px 8px #f2bde0;border-radius:10px}
.sweet-beam.row{width:100%;height:5px;transform-origin:center}
.sweet-beam.col{height:100%;width:5px;transform-origin:center}
.rainbow-ray{height:3px;border-radius:9px;background:var(--fx-color);box-shadow:0 0 6px 2px var(--fx-color);transform-origin:left center}
.floating-score{font-size:23px;font-weight:900;color:#fff;text-shadow:0 2px 0 #6e96b3,1px 0 #6e96b3,-1px 0 #6e96b3,0 0 8px #6e96b3;white-space:nowrap;z-index:5}
#combo{z-index:6;font-size:30px}#combo.show{animation:combo .95s both}
.ambient-sky{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.ambient-sky span{position:absolute;color:#fff8da;text-shadow:0 0 12px #fff;animation:sky-drift var(--drift) var(--lag) ease-in-out infinite}
.top,.layout{position:relative;z-index:1}
.cover{overflow:hidden;background:none;background-color:#bddfee}
.cover:before{content:'';position:absolute;inset:0;background:url('assets/cloud-cafe.webp') center 10%/cover;animation:cover-breathe 16s ease-in-out infinite alternate}
.cover:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#3f65867a,transparent 65%);pointer-events:none}
.cover-tag,.cover>div{z-index:2}.cover-tag{animation:tag-float 4.5s ease-in-out infinite}
.story-note>span{animation:magic-breathe 3s infinite}.postcard{animation:postcard-float 7s ease-in-out infinite}
#play{position:relative;overflow:hidden}#play:after{content:'';position:absolute;inset:-50%;background:linear-gradient(100deg,transparent 40%,#fff5 50%,transparent 60%);animation:button-sheen 5s infinite;pointer-events:none}
.level-tile.current{animation:level-pulse 2.4s ease-in-out infinite}.level-tile:not(:disabled):hover{background:#fff2ce;translate:0 -3px}
#home,#playfield{animation:panel-arrive .45s ease-out}.tools button:not(:disabled):hover>span{animation:tool-hop .45s ease-out}
#dialog[open]{animation:dialog-arrive .38s cubic-bezier(.2,.9,.3,1.2);overflow:hidden}
#dialog-icon span{display:inline-block}#dialog-actions{position:relative;z-index:2}.victory-confetti{position:absolute;top:0;width:8px;height:13px;border-radius:3px;pointer-events:none;z-index:1}
.motion-paused .tile *,.motion-paused .ambient-sky span{animation-play-state:paused!important}
@keyframes sweet-idle{0%,75%,100%{transform:none}82%{transform:translateY(-2px) rotate(-4deg)}89%{transform:translateY(-1px) rotate(4deg)}}
@keyframes ear-flap{0%,78%,100%{transform:rotate(0)}84%{transform:rotate(-5deg) scaleY(.94)}91%{transform:rotate(4deg)}}
@keyframes puppy-blink{0%,42%,46%,100%{transform:scaleY(1)}44%{transform:scaleY(.12)}}
@keyframes magic-breathe{0%,100%{filter:drop-shadow(0 1px 2px #d3b27555);transform:scale(1)}50%{filter:drop-shadow(0 0 6px #edca7a);transform:scale(1.045)}}
@keyframes sky-drift{0%,100%{transform:translate(0,12px) rotate(-12deg);opacity:.25}50%{transform:translate(22px,-25px) rotate(16deg);opacity:.8}}
@keyframes cover-breathe{from{transform:scale(1)}to{transform:scale(1.06) translateY(4px)}}
@keyframes tag-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes postcard-float{0%,100%{transform:rotate(5deg) translateY(0)}50%{transform:rotate(3deg) translateY(-9px)}}
@keyframes button-sheen{0%,65%{transform:translateX(-70%)}100%{transform:translateX(70%)}}
@keyframes level-pulse{0%,100%{box-shadow:0 0 0 0 #edce8333}50%{box-shadow:0 0 0 4px #edce8366}}
@keyframes panel-arrive{from{opacity:0;translate:0 12px}to{opacity:1;translate:0 0}}
@keyframes tool-hop{40%{transform:translateY(-5px) rotate(-12deg)}75%{transform:rotate(8deg)}}
@keyframes dialog-arrive{from{opacity:0;transform:translateY(24px) scale(.86)}to{opacity:1;transform:none}}
body.motion-reduced *,body.motion-reduced *::before,body.motion-reduced *::after{animation:none!important;transition:none!important}body.motion-reduced .piece{will-change:auto}
#dialog[open]{overflow-x:hidden;overflow-y:auto;max-height:calc(100dvh - 32px)}
.victory-showers{position:absolute;inset:0;overflow:hidden;pointer-events:none;border-radius:26px}
.board:has(.drag-source){overflow:visible}
.tile.drag-source{z-index:10;background:#d5eaf5;cursor:grabbing}
.drag-source .piece{filter:drop-shadow(0 8px 5px #497c9e66)}
.drag-source .piece svg,.drag-target .piece svg,.drag-source .puppy-ears,.drag-source .puppy-eye{animation:none!important}
.tile.drag-target{background:#fff2c9;box-shadow:inset 0 0 0 2px #e6c477}
.tile{cursor:grab}.drag-target .piece{transition:transform 70ms ease-out}

.preferences{display:flex;gap:7px}.preferences button{background:#ffffffc9;border:1px solid #fff;border-radius:24px;padding:10px 12px;font-size:11px}.preferences #motion-toggle[aria-pressed="true"]{background:#e9f7ff;border-color:#a7cee5}
.endless-card{position:relative;margin-top:22px;padding:17px;border:1px solid #d9d8ef;border-radius:18px;background:linear-gradient(130deg,#eff3ff,#faf3ff);text-align:left;overflow:hidden}
.endless-card>div>span{font-size:8px;color:#9b91ba;letter-spacing:1.8px}.endless-card h3{font-size:17px;margin:7px 0;color:#777099}.endless-card p{font-size:11px;color:#9691ae;margin:0 0 14px}.endless-card>b{position:absolute;right:18px;top:5px;font-size:66px;font-weight:400;color:#b5abd77a}
.endless-card>button{width:100%;padding:12px;border-radius:12px;background:linear-gradient(120deg,#989ace,#b0a3d1);color:#fff;font-weight:700;box-shadow:0 3px 0 #8b81b2}.endless-card>small{display:block;text-align:center;font-size:9px;color:#9a91b1;margin-top:11px}
.rank-open{display:flex;align-items:center;justify-content:space-between;width:100%;background:#fff8e6;color:#a58a53;padding:14px 12px;border:1px solid #ecdfb9;border-radius:14px;margin-top:14px;font-size:12px;font-weight:700}.rank-open span{font-size:9px;font-weight:400}
#rank-dialog{width:min(510px,calc(100% - 24px));max-height:calc(100dvh - 30px);overflow:auto;padding:22px;text-align:left}.rank-heading{display:flex;align-items:center;justify-content:space-between}.rank-heading h2{margin:7px 0 16px}.rank-tabs{display:flex;padding:4px;background:#eaf1f7;border-radius:13px;gap:5px}.rank-tabs button{flex:1;padding:10px;border-radius:10px;background:transparent;font-size:12px}.rank-tabs button[aria-pressed=true]{background:white;box-shadow:0 2px 8px #6f98b31a;color:#5b94b9;font-weight:800}
#rank-rules,#rank-mine,#rank-status{font-size:11px;margin:12px 0;line-height:1.7}#rank-mine{color:#b49452}#rank-status{min-height:19px}.rank-table{overflow:auto;max-height:290px;border:1px solid #e1ecf4;border-radius:12px}.rank-table table{width:100%;border-collapse:collapse;font-size:12px}.rank-table th{position:sticky;top:0;background:#edf5fa;color:#8ca3b5;font-size:10px;text-align:left;padding:10px}.rank-table td{padding:12px 9px;border-top:1px solid #e9f0f6;overflow-wrap:anywhere}.rank-table tr.mine{background:#fff5df}.rank-table td:first-child{color:#b6a06c}.rank-table td:last-child{text-align:right}.rank-table td:nth-child(2){max-width:140px}#rank-refresh,#rank-optout{background:none;color:#8e9fb4;font-size:11px;padding:6px 0}
#rank-form{border-top:1px dashed #d4e2ed;padding-top:16px;margin-top:12px;display:grid;grid-template-columns:1fr auto;gap:10px}#rank-form label{grid-column:1/-1;font-size:12px;font-weight:700}#rank-name{min-width:0;width:100%;padding:11px;border:1px solid #d1e1ef;border-radius:11px;color:#365877;background:#fff;font:inherit;font-size:12px}#rank-submit{font-size:12px;padding:11px 13px;border-radius:11px;letter-spacing:0}#rank-form p{grid-column:1/-1;font-size:10px;line-height:1.7;margin:0}#rank-optout{grid-column:1/-1;text-align:left}
@media(max-width:360px){#rank-dialog{padding:16px}.rank-open{font-size:11px}.rank-open span{font-size:8px}.endless-card{padding:14px}.rank-table td{padding:10px 6px;font-size:11px}}
#chapter-select{width:100%;font:inherit;font-size:12px;color:#537e9f;background:#edf6fc;border:1px solid #d3e5f1;border-radius:12px;padding:11px;margin-bottom:12px}.level-map{grid-template-columns:repeat(5,1fr);max-height:180px}.level-tile{min-height:57px}