:root{color-scheme:light;font-family:ui-rounded,"Arial Rounded MT Bold",system-ui,sans-serif;color:#384260;background:#dff4ff;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100svh;background:radial-gradient(ellipse at 12% 15%,#fff9 0 7%,transparent 7.5%),radial-gradient(ellipse at 90% 48%,#fff8 0 9%,transparent 9.5%),linear-gradient(#dff4ff,#edf8ff 65%,#d7eefd)}
a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;min-height:40px;border:0;border-radius:13px;background:#edf2ff;box-shadow:inset 0 1px #fff,0 3px #c8d0e4}button:disabled{opacity:.4;cursor:default}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #384c9a;outline-offset:3px}button:hover:not(:disabled){filter:brightness(1.04)}
.app{width:min(100%,490px);margin:auto;padding:8px 4px 14px}.topbar{display:flex;align-items:center;justify-content:space-between;height:38px;padding:0 5px;font-size:11px;font-weight:750}.back{display:flex;align-items:center;min-height:36px;gap:5px}.edition{font-size:10px;color:#677895}.edition b{display:none}.icon-button{display:flex;align-items:center;justify-content:center;gap:4px;padding:4px 9px;font-size:20px;background:#ffffff9c;box-shadow:0 2px #bfd8e8;min-height:34px}.icon-button span{font-size:8px}
.intro{text-align:center;padding:3px 0 9px}.intro .eyebrow,.intro p{display:none}.intro h1{margin:0;font-size:28px;letter-spacing:-1.2px;color:#374e98;font-weight:950;line-height:1.15;text-shadow:0 2px #fff}.intro h1>span{color:#c42688}.title-dot{color:#ee8924}.eyebrow{font-size:9px;font-weight:850;letter-spacing:1.1px;color:#5b6583}
.game{background:#ffffffb8;border:2px solid #fff;border-radius:24px;box-shadow:0 6px 0 #a9cce3,0 12px 30px #7caec430;padding:10px 4px 8px}.level-bar{display:flex;justify-content:space-between;align-items:center;padding:0 7px}.level-bar h2{font-size:16px;line-height:1.2;margin:1px 0 0;letter-spacing:-.3px}.level-bar .eyebrow{font-size:9px;color:#68509c}.level-button{display:flex;align-items:center;gap:5px;font-weight:800;padding:0 10px;font-size:19px;min-height:36px}.level-button span{font-size:11px}.progress-track{height:4px;border-radius:8px;background:#dae5ed;overflow:hidden;margin:10px 8px 3px}#progress{height:100%;background:linear-gradient(90deg,#62d944,#acec62);transition:width .2s}
.board-wrap{position:relative;margin:23px 17px 24px}.board{position:relative;isolation:isolate;width:100%;border-radius:8px;background-color:#e9e8f1;background-image:linear-gradient(#d5d4e1 1px,transparent 1px),linear-gradient(90deg,#d5d4e1 1px,transparent 1px);box-shadow:0 0 0 7px #fafbff,0 0 0 9px #c9cbdc,0 2px 5px #77829833 inset;touch-action:none;user-select:none;-webkit-user-select:none}
.rose{--color:#f34398;--light:#ff88c1;--dark:#c42175}.orange{--color:#ff922c;--light:#ffc579;--dark:#d76916}.gold{--color:#ffd531;--light:#fff28b;--dark:#d4a91c}.green{--color:#77cf35;--light:#b4f16e;--dark:#4aab21}.blue{--color:#38a9f5;--light:#8ad5ff;--dark:#187bc5}.violet{--color:#aa70ed;--light:#d4acff;--dark:#8044bf}
.block{position:absolute;min-height:0;padding:0;border:0;z-index:3;cursor:grab;border-radius:7px;background:linear-gradient(145deg,var(--light),var(--color) 45%,var(--color) 70%,var(--dark));box-shadow:inset 0 2px 1px #fff8,inset 0 -4px 0 var(--dark),inset 0 0 0 1px #00000013,0 2px 2px #4851734d;transition:transform 90ms cubic-bezier(.2,.8,.3,1);touch-action:none;will-change:transform}.block:hover:not(:disabled){filter:brightness(1.04)}.block.dragging{z-index:5;cursor:grabbing;filter:brightness(1.05)}.studs{position:absolute;inset:0;display:grid;grid-template-columns:repeat(var(--cols),1fr);grid-template-rows:repeat(var(--rows),1fr);pointer-events:none}.studs i{display:block;align-self:center;justify-self:center;width:59%;aspect-ratio:1;border-radius:50%;background:linear-gradient(140deg,var(--light),var(--color) 65%);box-shadow:0 2px 0 var(--dark),0 3px 3px #0002,inset 0 2px 1px #fff8,inset -1px -1px 1px #0001}.block-symbol{position:absolute;bottom:4px;right:4px;font-size:8px;line-height:1;color:#29344c;font-weight:900;pointer-events:none}.wall{position:absolute;background:linear-gradient(135deg,#a5abc4,#8187a6);border-radius:6px;box-shadow:inset 0 2px #d6d8e7,0 2px #606b8e}.wall:after{content:"";position:absolute;inset:30%;border-radius:50%;background:#c4c8d9;box-shadow:0 2px #717b9c}
.exit{position:absolute;z-index:1;border-radius:5px;background:linear-gradient(var(--light),var(--color));box-shadow:inset 0 2px #fff8,0 3px var(--dark);pointer-events:none;display:flex;align-items:center;justify-content:space-around;color:#29344c;overflow:hidden}.exit:before{position:absolute;content:"";inset:3px 2px;background:repeating-linear-gradient(90deg,var(--dark) 0 4px,transparent 4px 9px);opacity:.8}.exit.left:before,.exit.right:before{background:repeating-linear-gradient(0deg,var(--dark) 0 4px,transparent 4px 9px)}.exit span{position:relative;z-index:1;font-size:10px;background:var(--light);border-radius:4px;padding:1px 3px;font-weight:900}.exit.active{filter:brightness(1.25)}
.game-bottom{display:flex;align-items:center;justify-content:space-between;padding:0 9px;font-size:11px;color:#606b85}.game-bottom strong{color:#384260}.status-dot{display:inline-block;height:6px;width:6px;border-radius:50%;background:#59b233;margin-right:4px}.controls{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 4px 1px}.controls button{display:flex;align-items:center;justify-content:center;gap:5px;min-height:35px;padding:0 12px;font-size:18px;font-weight:800}.controls button span{font-size:11px}.no-rush{font-size:9px;color:#687590}.instructions{text-align:center;font-size:11px;line-height:1.5;margin:12px 2px 0;color:#52617e}.instructions span{font-size:10px}.instructions strong{font-weight:750}footer{display:none}
dialog{color:#384260;background:#f9fbff;border:3px solid #fff;border-radius:23px;padding:24px;width:min(440px,calc(100% - 28px));box-shadow:0 8px 0 #a6c3da,0 25px 70px #354e7755}dialog::backdrop{background:#38517b88;backdrop-filter:blur(5px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.dialog-header h2{font-size:24px;margin:5px 0 0}.dialog-header .eyebrow{font-size:8px}#level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}#level-grid button{aspect-ratio:1;font-weight:850;font-size:16px}#level-grid button.completed{background:#cff0bc;color:#326422;box-shadow:0 3px #92c17c}#level-grid button.current{background:#ead4ff;color:#593284;box-shadow:0 3px #bb94dc}.dialog-note{font-size:11px;text-align:center;margin:24px 0 0;color:#626d84}#win-dialog{text-align:center;padding:28px}#win-dialog h2{font-size:32px;letter-spacing:-1px;margin:10px 0}#win-dialog p{font-size:13px;line-height:1.7;color:#66718c}.win-icon{font-size:70px;color:#f6b71d;text-shadow:0 3px #d68a17;margin-bottom:12px}.primary{display:block;width:100%;background:#8bda4f;box-shadow:0 4px #56a731;color:#294d1a;font-weight:850;margin-top:22px}.quiet{box-shadow:none;background:transparent;font-size:12px;margin-top:12px;color:#5b6481}#particles{position:absolute;inset:0;pointer-events:none;z-index:9}.confetti{position:absolute;width:5px;height:11px;border-radius:2px}.block.shredding{pointer-events:none;z-index:6;transition:none}
@keyframes win-arrive{from{opacity:0;transform:translateY(14px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes star-bloom{from{transform:rotate(-50deg) scale(.3)}70%{transform:rotate(8deg) scale(1.12)}to{transform:rotate(0) scale(1)}}#win-dialog[open]{animation:win-arrive .3s ease-out}#win-dialog[open] .win-icon{animation:star-bloom .55s ease-out}
@media(min-width:600px){.app{padding-top:14px}.intro{padding:7px 0 12px}.intro h1{font-size:32px}.game{padding:12px}.board-wrap{margin:24px 18px}.instructions{margin-top:15px}}
@media(max-height:720px) and (min-width:400px){.app{max-width:400px}.topbar{height:32px}.intro{padding:1px 0 6px}.intro h1{font-size:24px}.board-wrap{margin:21px 17px}.instructions span{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before{animation-duration:1ms!important;transition-duration:1ms!important}}

/* Advanced shapes reuse the same glossy brick skin, one hit target per piece.
   Only occupied cells receive pointer events, keeping concavities playable. */
.black{--color:#373e50;--light:#687188;--dark:#1c2232}.white{--color:#f3f6fc;--light:#fff;--dark:#b7c2d6}
.black .block-symbol,.exit.black{color:#fff}
.polyomino{background:transparent;box-shadow:none;border-radius:0;pointer-events:none}
.polyomino:hover:not(:disabled){background:transparent}
.shape-cell{position:absolute;width:calc(100% / var(--cols) + .3px);height:calc(100% / var(--rows) + .3px);pointer-events:auto;background:linear-gradient(145deg,var(--light),var(--color) 45%,var(--color) 70%,var(--dark));box-shadow:inset 0 var(--top) 1px #fff8,inset 0 calc(-1 * var(--bottom)) 0 var(--dark),0 1px 1px #4851733d}
.shape-cell>i{position:absolute;left:21%;top:20%;width:59%;aspect-ratio:1;border-radius:50%;background:linear-gradient(140deg,var(--light),var(--color) 65%);box-shadow:0 2px 0 var(--dark),0 3px 3px #0002,inset 0 2px 1px #fff8}
.polyomino:focus-visible{outline:none}.polyomino:focus-visible .shape-cell{outline:2px solid #384c9a;outline-offset:0}
.shredding .shape-cell{pointer-events:none}
#level-grid{max-height:min(62svh,530px);overflow-y:auto;padding:4px 4px 8px;overscroll-behavior:contain}
#level-grid .advanced-start{outline:2px solid #a36ad7;outline-offset:2px}