:root{--ink: #10224a;--blue: #5c93c8;--blue-strong: #2578c8;--mint: #9be4ad;--mint-soft: #e6f9eb;--sun: #ffd968;--peach: #ffb08a;--pink: #ef73a6;--line: #c6d7e8;--paper: #fffefb;--bg: #f6fbff;--shadow: 0 18px 44px rgba(57, 89, 126, .16);font-family:Trebuchet MS,Arial Rounded MT Bold,Arial,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{width:100%;min-height:100%;margin:0}body{color:var(--ink);background:linear-gradient(135deg,#bfe2ff8c,#fff3 45%),linear-gradient(180deg,#fffefb 0%,var(--bg) 100%);overflow-x:hidden;touch-action:manipulation}button{font:inherit}.app-shell{min-height:100vh;padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1180px;margin:0 auto 14px}.top-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px}.logo{display:grid;place-items:center;width:46px;height:46px;border:2px solid #f0c746;border-radius:14px;background:#fff7cf;color:#d88c00;font-size:28px;box-shadow:0 8px 20px #ffcc4640}h1,h2,p{margin:0}h1{color:#284f83;font-size:clamp(24px,5vw,42px);line-height:1}.subtitle{color:#2a4467;font-size:15px}.pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;border:2px solid rgba(92,147,200,.24);border-radius:999px;background:#fffc;color:#284f83;padding:7px 12px;font-weight:800}.home{max-width:1180px;margin:0 auto}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px;margin-top:18px}.category{min-height:190px;border:0;border-radius:8px;padding:18px;color:var(--ink);box-shadow:var(--shadow);cursor:pointer;text-align:left;transition:transform .16s ease,box-shadow .16s ease}.category:active{transform:translateY(2px) scale(.99)}.category .glyph{display:block;margin-bottom:16px;font-size:60px;line-height:1}.category h2{font-size:22px;line-height:1.05}.category p{margin-top:8px;color:#10224ab8;font-size:14px;line-height:1.25}.tone-blue{background:linear-gradient(180deg,#dceeff,#bfe2ff)}.tone-green{background:linear-gradient(180deg,#e2f8e7,#bdeec7)}.tone-yellow{background:linear-gradient(180deg,#fff5cf,#ffe29a)}.tone-pink{background:linear-gradient(180deg,#ffe6f0,#ffc6dc)}.tone-purple{background:linear-gradient(180deg,#ede4ff,#d3c2fb)}.activity{display:grid;grid-template-rows:auto 1fr;gap:12px;max-width:1180px;min-height:calc(100vh - 28px);margin:0 auto}.activity-bar{display:grid;grid-template-columns:auto 1fr auto auto auto;align-items:center;gap:10px}.icon-button,.primary-button,.ghost-button{border:0;cursor:pointer;font-weight:900}.icon-button{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#cfe7fb;color:#356eaa;font-size:24px}.icon-button.small{width:40px;height:40px;font-size:20px}.primary-button,.ghost-button{min-height:42px;border-radius:8px;padding:9px 14px}.primary-button{background:var(--blue);color:#fff;box-shadow:0 9px 18px #4677a83d}.ghost-button{background:#fff;color:#356eaa;border:2px solid #cfe1f3}.title-card{min-width:0;border-radius:8px;background:#ffffffc7;border:2px solid rgba(198,215,232,.65);padding:8px 12px}.title-card strong{display:block;overflow:hidden;color:var(--ink);font-size:clamp(17px,3vw,26px);line-height:1.1;text-overflow:ellipsis;white-space:nowrap}.title-card span{color:#4d6684;font-size:13px;font-weight:700}.stage{position:relative;min-height:430px;border:3px solid #2c3542;border-radius:8px;background:var(--paper);box-shadow:var(--shadow);overflow:hidden;touch-action:none}.stage svg,.stage canvas{position:absolute;inset:0;width:100%;height:100%}.stage canvas{z-index:3}.guide-svg{z-index:1}.paint-stage{background:#fdfaf3;cursor:crosshair}#paintArt{z-index:2}#paintCover{z-index:3}.paint-meter{width:min(220px,46vw);height:12px;border-radius:999px;background:#2c354229;overflow:hidden}.paint-meter span{display:block;width:0%;height:100%;border-radius:999px;background:linear-gradient(90deg,#7ad38f,#34a853);transition:width .16s linear}.guide-bg{fill:none;stroke:#8995a3;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:2 11;opacity:.72}.guide-done{fill:none;stroke:#29ad4f;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 10px rgba(88,228,112,.8))}.guide-active{fill:none;stroke:var(--blue-strong);stroke-width:8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 13px rgba(114,223,130,.82))}.trace-cue{pointer-events:none;opacity:.62}.trace-cue.active{opacity:.95}.cue-start-halo{fill:#ffd96857;stroke:#2578c8b8;stroke-width:1.2;filter:url(#cue-glow)}.cue-start-dot{fill:#2578c8;stroke:#fffefb;stroke-width:1.2}.cue-arrow path{fill:none;stroke:#1f6eb6;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.trace-cue.active .cue-start-halo{animation:cuePulse 1.25s ease-in-out infinite}.trace-cue.active .cue-arrow path{stroke:#115fa8;stroke-width:2.8}@keyframes cuePulse{0%,to{transform:scale(.96);transform-origin:center}50%{transform:scale(1.18);transform-origin:center}}.task-img{position:absolute;z-index:0;width:22%;max-height:32%;object-fit:contain;pointer-events:none;opacity:.92}.task-img.left{left:5%;top:34%}.task-img.right{right:5%;top:34%}.task-img.center{left:50%;top:50%;width:min(50%,360px);transform:translate(-50%,-50%);opacity:.18}.hud{position:absolute;left:14px;right:14px;bottom:12px;z-index:4;display:flex;align-items:end;justify-content:space-between;gap:12px;pointer-events:none}.segments{display:flex;flex-wrap:wrap;gap:6px}.seg-dot{width:26px;height:22px;border:2px solid #44627d;border-radius:5px;background:#d4e8f9}.seg-dot.done{background:#a9e7b7}.seg-dot.active{background:#ffe681}.message{min-width:120px;border-radius:8px;background:#bdf0c7;padding:9px 12px;color:#0f5122;font-weight:900;text-align:center}.rewards{max-width:980px;margin:28px auto 0;text-align:center}.reward-row{display:flex;justify-content:center;gap:18px;margin:28px 0;flex-wrap:wrap}.reward{display:grid;place-items:center;width:86px;height:86px;border:3px solid #e1b432;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff6be,#ffd45d 58%,#e9a42b);box-shadow:0 12px 28px #d4962538;font-size:40px;filter:grayscale(1);opacity:.4}.reward.unlocked{filter:none;opacity:1}.toast{position:fixed;left:50%;bottom:22px;z-index:20;transform:translate(-50%);border-radius:999px;background:#10224a;color:#fff;padding:10px 16px;font-weight:900;box-shadow:var(--shadow)}.settings-backdrop{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px;background:#10224a38;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.settings-panel{width:min(520px,100%);border:2px solid rgba(198,215,232,.9);border-radius:8px;background:#fffefb;box-shadow:var(--shadow);padding:16px}.settings-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.settings-head h2{font-size:24px;color:#284f83}.setting-row{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:16px;min-height:82px;border:2px solid #dbeaf7;border-radius:8px;background:#f6fbff;padding:14px;cursor:pointer}.setting-row strong,.setting-row small{display:block}.setting-row strong{font-size:17px;color:var(--ink)}.setting-row small{margin-top:4px;color:#4d6684;font-size:13px;line-height:1.25}.toggle-input{position:absolute;opacity:0;pointer-events:none}.toggle{position:relative;width:62px;height:36px;border:2px solid #b9cce0;border-radius:999px;background:#e9f1f8;transition:background .16s ease,border-color .16s ease}.toggle:after{content:"";position:absolute;top:3px;left:3px;width:26px;height:26px;border-radius:50%;background:#fff;box-shadow:0 4px 10px #2c46623d;transition:transform .16s ease}.toggle-input:checked+.toggle{border-color:#52ae66;background:#a9e7b7}.toggle-input:checked+.toggle:after{transform:translate(26px)}@media(max-width:820px){.app-shell{padding:10px}.category-grid{grid-template-columns:repeat(2,minmax(132px,1fr))}.category{min-height:150px;padding:14px}.category .glyph{font-size:46px;margin-bottom:10px}.activity-bar{grid-template-columns:auto 1fr auto auto}.activity-bar .ghost-button{display:none}.stage{min-height:62vh}.title-card strong{white-space:normal}}@media(orientation:portrait)and (max-width:760px){.topbar{align-items:flex-start}.stage{min-height:58vh}.task-img.left,.task-img.right{width:25%;top:39%}}.task-strip{display:flex;gap:8px;overflow-x:auto;padding:6px 4px 10px;scrollbar-width:thin}.task-strip .strip-item{flex:0 0 auto;min-width:48px;height:48px;border:2px solid rgba(0,0,0,.12);border-radius:14px;background:#fff;font-size:20px;font-weight:800;color:#2f3b46;cursor:pointer}.task-strip .strip-item.done{background:#e7f6ec;border-color:#7fc59a}.task-strip .strip-item.current{border-color:#f0a04b;border-width:3px;transform:scale(1.06)}.art-svg{z-index:2;pointer-events:none}.art-svg image{opacity:.55;transition:opacity .24s ease}@media(prefers-reduced-motion:reduce){.art-svg image{transition:none}}