:root{--color-bg: #141026;--color-surface: #1e1a38;--color-placeholder: #332e54;--color-line: #2c2748;--color-ink-invert: #ffffff;--color-muted: #b8b3d9;--color-ink: #15131f;--color-accent: #2bd9c8;--color-accent-hi: #3ee6d6;--color-accent-2: #ff4d6d;--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-6: 24px;--s-8: 32px}@font-face{font-family:Space Grotesk;src:url(/play/assets/space-grotesk-variable-BhU9QXUp.woff2) format("woff2");font-weight:300 700;font-display:swap}@font-face{font-family:Inter;src:url(/play/assets/inter-variable-Dx4kXJAl.woff2) format("woff2");font-weight:100 900;font-display:swap}*{box-sizing:border-box}body{margin:0;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);color:var(--color-ink-invert);font-family:var(--font-body);-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;align-items:center;width:100%;padding:var(--s-6)}body.is-playing #app,body.is-embed #app{margin-block:auto}body.is-embed{height:100vh;height:100dvh;overflow:hidden}.screen{display:flex;flex-direction:column;align-items:center;gap:18px}.hidden{display:none!important}.brand-header{display:flex;flex-direction:column;align-items:center;gap:2px}.brand-header .brand-logo{width:72px;height:72px;object-fit:contain;margin-bottom:6px}.brand-header .wordmark{font-family:var(--font-display);font-size:26px;font-weight:700;letter-spacing:.5px;color:var(--color-accent)}.brand-header .tagline{font-size:13px;color:var(--color-muted);text-transform:uppercase;letter-spacing:2px}.btn{font:inherit;font-weight:600;border-radius:var(--r-sm);padding:10px 20px;cursor:pointer;border:1px solid transparent;transition:background .15s ease,opacity .15s ease,border-color .15s ease,color .15s ease}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn-primary{background:var(--color-accent);color:var(--color-ink)}.btn-primary:hover:not(:disabled){background:var(--color-accent-hi)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--color-ink-invert);border-color:var(--color-line)}.btn-ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}.start-btn{min-width:160px}.upload-screen{width:min(520px,90vw)}.dropzone{width:100%;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;background:var(--color-surface);border:2px dashed var(--color-line);border-radius:var(--r-lg);cursor:pointer;transition:border-color .15s ease,background .15s ease;text-align:center}.dropzone:hover{border-color:var(--color-accent)}.dropzone:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.dropzone.is-dragover{border-color:var(--color-accent);background:var(--color-placeholder)}.dropzone.is-loading{opacity:.6;pointer-events:none}.dropzone-prompt{display:flex;flex-direction:column;gap:6px}.dropzone-prompt strong{font-size:18px}.dropzone-prompt span{font-size:13px;color:var(--color-muted)}.dropzone-preview{max-width:100%;max-height:320px;border-radius:var(--r-sm);box-shadow:0 4px 18px #0006}.dropzone-error{margin:0;font-size:14px;color:var(--color-accent-2)}.controls{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--color-muted)}.controls select{background:var(--color-surface);color:var(--color-ink-invert);border:1px solid var(--color-line);border-radius:var(--r-sm);padding:6px 10px;font:inherit;font-size:14px;cursor:pointer}.controls select:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.game-nav{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:8px;padding-top:18px;border-top:1px solid var(--color-line);width:100%}.game-nav-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--color-muted)}.game-nav-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.game-nav-link{padding:8px 16px;font-size:14px;text-decoration:none}.game-nav-back{font-size:13px;color:var(--color-muted);text-decoration:none;transition:color .15s ease}.game-nav-back:hover{color:var(--color-accent)}.play-screen{gap:14px;width:100%;align-items:center}.play-topbar{width:100%;max-width:720px;display:flex;justify-content:space-between;gap:8px}#board-viewport{position:relative;container-type:inline-size}#puzzle-wrapper{position:absolute;top:0;left:0;transform-origin:top left;width:720px;height:720px;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--r-md);overflow:hidden;box-shadow:inset 0 0 0 2px #00000040,0 10px 40px #00000073}#puzzle{width:100%;height:100%;touch-action:none}.branding{position:absolute;z-index:2;right:2.5cqi;bottom:2.5cqi;font-size:clamp(7px,2.4cqi,12px);letter-spacing:.3px;color:#ffffffb3;background:#00000059;padding:.25em .6em;border-radius:999px;pointer-events:auto;-webkit-user-select:none;user-select:none;text-decoration:none;cursor:pointer;transition:color .15s ease,background .15s ease}.branding:hover,.branding:focus-visible{color:#fff;background:#0000008c}.solved-banner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;background:#00000080;opacity:0;pointer-events:none;transform:scale(.8);transition:opacity .3s ease-out,transform .3s ease-out}.solved-banner.is-visible{opacity:1;transform:scale(1);pointer-events:auto}.solved-title{font-family:var(--font-display);font-size:clamp(32px,12vw,52px);font-weight:700;color:var(--color-accent)}.solved-actions{display:flex;gap:12px}.share-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#0009;opacity:0;pointer-events:none;transition:opacity .2s ease-out}.share-modal.is-visible{opacity:1;pointer-events:auto}.share-panel{position:relative;width:min(420px,100%);display:flex;flex-direction:column;gap:12px;padding:28px;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--r-lg);box-shadow:0 20px 60px #00000080;transform:scale(.92);transition:transform .2s ease-out}.share-modal.is-visible .share-panel{transform:scale(1)}.share-close{position:absolute;top:10px;right:12px;width:32px;height:32px;font-size:22px;line-height:1;color:var(--color-muted);background:transparent;border:none;border-radius:var(--r-sm);cursor:pointer}.share-close:hover{color:var(--color-ink-invert);background:var(--color-placeholder)}.share-title{margin:0;font-family:var(--font-display);font-weight:700;font-size:20px}.share-blurb{margin:0;font-size:14px;color:var(--color-muted)}.share-form{display:flex;flex-direction:column;gap:10px;margin-top:4px}.share-input{font:inherit;padding:10px 12px;color:var(--color-ink-invert);background:var(--color-placeholder);border:1px solid var(--color-line);border-radius:var(--r-sm)}.share-input:focus-visible{border-color:var(--color-accent);outline:none}.share-message{margin:0;font-size:14px;min-height:1em}.share-message.is-error{color:var(--color-accent-2)}.share-message.is-success{color:var(--color-accent)}.route-message{font-size:18px;color:var(--color-muted);text-align:center;padding:48px 24px}body:has(.route-intro):not(.is-playing){flex-direction:column;justify-content:flex-start}body:has(.route-intro):not(.is-playing) #app{min-height:100vh;min-height:100dvh;justify-content:center}body.is-playing .route-intro{display:none}.route-intro{width:100%;max-width:42rem;margin:0 auto;padding:3rem 1.5rem 4rem;color:var(--color-muted);line-height:1.7}.route-intro h1{font-family:var(--font-display);font-size:clamp(1.75rem,4vw + .5rem,2.5rem);color:var(--color-ink-invert);margin:0 0 1rem}.route-intro h2{font-family:var(--font-display);font-size:clamp(1.375rem,2vw + .75rem,1.75rem);color:var(--color-ink-invert);margin:2rem 0 .75rem}.route-intro p{margin:0 0 1rem}.route-intro ol{margin:0 0 1rem;padding-left:1.25rem}.route-intro li{margin:0 0 .5rem}@media (max-width: 768px){body{align-items:flex-start}#app{padding:var(--s-2) var(--s-4) 0}.play-screen{gap:var(--s-2)}}@media (max-width: 479px){#app{padding:0 var(--s-2)}.screen{gap:var(--s-3)}.brand-header .tagline,.dropzone-prompt span{display:none}.brand-header .brand-logo{width:56px;height:56px;margin-bottom:2px}.upload-screen,.controls{width:100%}.controls select{flex:1;min-height:44px}.btn{width:100%;min-height:44px}.start-btn{min-width:0}.game-nav-link{width:auto}.play-topbar{flex-wrap:wrap}.play-topbar .btn{width:auto;flex:1}.solved-actions{flex-direction:column;width:100%;padding:0 var(--s-4)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}