:root{--bg:#fbf5ea;--card:#fffdf8;--line:#f0e3cd;--soft:#f6ecda;--ink:#4b3f45;--ink-soft:#8f8186;--peach:#ff8a7a;--peach-dark:#f4685f;--leaf:#6fbf73;--danger:#e5534b;--shadow:0 8px 28px #7a542829, 0 1px 3px #7a542824;--r:24px;--safe-t:env(safe-area-inset-top,0px);--safe-r:env(safe-area-inset-right,0px);--safe-b:env(safe-area-inset-bottom,0px);--safe-l:env(safe-area-inset-left,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}html,body{overscroll-behavior:none;touch-action:manipulation;background:var(--bg);width:100%;height:100%;color:var(--ink);-webkit-user-select:none;user-select:none;-webkit-text-size-adjust:100%;margin:0;font-family:ui-rounded,SF Pro Rounded,system-ui,-apple-system,Segoe UI,Nunito,sans-serif;position:fixed;inset:0;overflow:hidden}#app{position:absolute;inset:0}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;background:0 0;border:0;padding:0}input{font:inherit;-webkit-user-select:text;user-select:text;font-size:16px}h1,h3,h4,p{margin:0}.card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.btn{background:var(--soft);border-radius:18px;justify-content:center;align-items:center;gap:8px;min-width:48px;min-height:48px;padding:0 18px;font-weight:700;transition:transform 80ms,background .15s;display:inline-flex}.btn:active:not(:disabled){transform:scale(.95)}.btn:disabled{opacity:.35;cursor:default}.btn.icon{width:48px;padding:0}.btn.small{border-radius:14px;min-width:40px;min-height:40px;padding:0 14px}.btn.big{border-radius:20px;width:100%;min-height:56px;font-size:17px}.btn.wide{width:100%;margin-top:10px}.btn.primary{background:var(--peach);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.ghost{background:0 0}.btn.danger-ghost{color:var(--danger)}.btn.on{color:var(--peach-dark);background:#ffe0d9}.editor{background:radial-gradient(120% 90% at 50% 0%, #fffaf0 0%, var(--bg) 60%, #f6ecd9 100%);position:absolute;inset:0}.stage{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;cursor:crosshair;width:100%;height:100%;display:block;position:absolute;inset:0}.chrome{pointer-events:none;position:absolute;inset:0}.chrome>*{pointer-events:auto}.topbar{top:calc(var(--safe-t) + 10px);left:max(12px, var(--safe-l));right:max(12px, var(--safe-r));border-radius:28px;align-items:center;gap:6px;padding:7px;transition:transform .28s cubic-bezier(.3,.9,.3,1),opacity .2s;display:flex;position:absolute}.topbar .spacer{flex:1;min-width:4px}.topbar .divider{background:var(--line);width:1.5px;height:28px;margin:0 4px}.topbar .title{white-space:nowrap;text-overflow:ellipsis;border-radius:16px;max-width:34vw;min-height:48px;padding:0 12px;font-size:17px;font-weight:800;overflow:hidden}.swatch-btn .swatch{width:28px;height:28px}.rail{left:max(12px, var(--safe-l));top:calc(var(--safe-t) + 86px);bottom:calc(var(--safe-b) + 14px);pointer-events:none;align-items:center;gap:10px;transition:transform .28s cubic-bezier(.3,.9,.3,1);display:flex;position:absolute}.rail>*{pointer-events:auto}.rail-tools{border-radius:28px;flex-direction:column;gap:6px;padding:8px;display:flex}.tool{width:56px;height:56px;color:var(--ink);border-radius:20px;place-items:center;transition:background .15s,transform 80ms;display:grid}.tool:active{transform:scale(.93)}.tool.on{background:var(--peach);color:#fff;box-shadow:0 4px 10px #ff8a7a73}.rail-sliders{border-radius:26px;gap:6px;padding:12px 10px 8px;display:flex}.slider-col{flex-direction:column;align-items:center;gap:6px;width:48px;display:flex}.slider-caption{color:var(--ink-soft);letter-spacing:.02em;font-size:11px;font-weight:700}.size-dot-wrap{place-items:center;height:46px;display:grid}.size-dot{border-radius:50%;box-shadow:0 0 0 1.5px #4b3f4540}.chrome.hidden .topbar{opacity:0;pointer-events:none;transform:translateY(-150%)}.chrome.hidden .rail{transform:translate(-160%)}.mini{top:calc(var(--safe-t) + 10px);left:max(12px, var(--safe-l));opacity:.92;border-radius:26px;gap:2px;padding:5px;display:flex;position:absolute}.panel-anchor{top:calc(var(--safe-t) + 84px);right:max(12px, var(--safe-r));max-height:calc(100% - var(--safe-t) - 100px - var(--safe-b));display:flex;position:absolute}.panel{-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior:contain;width:min(340px,100vw - 24px);padding:14px;overflow-y:auto}.panel h3{font-size:18px;font-weight:800}.panel h4{text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin:14px 0 8px;font-size:12px}.panel-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.slider{background:var(--soft);touch-action:none;--thumb:32px;border-radius:22px;position:relative}.slider.v{width:44px;height:200px}.slider.h{flex:1;height:44px}.slider.off{opacity:.35}.slider-fill{background:linear-gradient(180deg, #ffb09f, var(--peach));border-radius:inherit;position:absolute}.slider.v .slider-fill{height:calc(var(--thumb) / 2 + var(--v) * (100% - var(--thumb)) + var(--thumb) / 2);bottom:0;left:0;right:0}.slider.h .slider-fill{width:calc(var(--thumb) + var(--v) * (100% - var(--thumb)));top:0;bottom:0;left:0}.slider-thumb{width:var(--thumb);height:var(--thumb);background:#fff;border-radius:50%;position:absolute;box-shadow:0 2px 6px #4b3f4559}.slider.v .slider-thumb{left:6px;bottom:calc(var(--v) * (100% - var(--thumb)) + 4px)}.slider.h .slider-thumb{top:6px;left:calc(var(--v) * (100% - var(--thumb)) + 4px)}.slider-bubble{background:var(--ink);color:#fff;white-space:nowrap;pointer-events:none;border-radius:12px;padding:6px 10px;font-size:14px;font-weight:700;position:absolute}.slider.v .slider-bubble{left:58px;bottom:calc(var(--v) * (100% - var(--thumb)) - 4px)}.slider.h .slider-bubble{bottom:54px;left:calc(var(--v) * (100% - var(--thumb)) - 10px)}.color-panel .panel-head{justify-content:flex-start;margin-bottom:12px}.hex{flex:1;font-size:17px;font-weight:700}.swatch{border:3px solid #fff;border-radius:50%;width:36px;height:36px;display:inline-block;box-shadow:0 0 0 1.5px #4b3f452e}.swatch.big{width:48px;height:48px}.swatches{grid-template-columns:repeat(6,1fr);justify-items:center;gap:8px 6px;display:grid}.swatches .swatch{aspect-ratio:1;width:100%;max-width:44px;height:auto;transition:transform 80ms}.swatches .swatch:active{transform:scale(.9)}.swatch.on{box-shadow:0 0 0 3px var(--peach)}.picker{flex-direction:column;gap:10px;display:flex}.sv{touch-action:none;border-radius:18px;height:150px;position:relative;overflow:hidden}.sv-white{background:linear-gradient(90deg,#fff,#fff0);position:absolute;inset:0}.sv-black{background:linear-gradient(#0000,#000);position:absolute;inset:0}.sv-thumb{border:3px solid #fff;border-radius:50%;width:26px;height:26px;position:absolute;transform:translate(-50%,-50%);box-shadow:0 0 0 1.5px #00000059}.hue{touch-action:none;background:linear-gradient(90deg,red,#ff0,#0f0,#0ff,#00f,#f0f,red);border-radius:15px;height:30px;position:relative}.hue-thumb{background:#fff;border:2px solid #0000004d;border-radius:6px;width:12px;height:36px;position:absolute;top:-3px;transform:translate(-50%)}.layer-list{flex-direction:column;gap:8px;margin:12px 0 0;padding:0;list-style:none;display:flex}.layer{background:var(--soft);border:2px solid #0000;border-radius:18px}.layer.on{border-color:var(--peach);background:#fff4ef}.layer-row{align-items:center;gap:6px;min-height:56px;padding:0 12px 0 4px;display:flex}.layer-name{flex:1;font-size:16px;font-weight:700}.layer-name.dim{opacity:.45}.layer-count{color:var(--ink-soft);font-size:12px;font-weight:700}.layer-detail{flex-direction:column;gap:10px;padding:0 10px 10px;display:flex}.layer-opacity{color:var(--ink-soft);align-items:center;gap:10px;font-size:13px;font-weight:700;display:flex}.layer-opacity .num{text-align:right;width:40px}.layer-actions{justify-content:space-between;gap:6px;display:flex}.layer-actions .btn.icon{width:44px;min-height:44px}.settings-panel .setting{flex-direction:column;gap:6px;margin:12px 0;display:flex}.setting-head{justify-content:space-between;display:flex}.settings-panel small,.toggle-row small,.tips small{color:var(--ink-soft);font-size:13px;line-height:1.35}.num{font-weight:800}.toggle-row{text-align:left;border-top:1.5px solid var(--line);align-items:center;gap:12px;width:100%;padding:12px 0;display:flex}.toggle-row span:first-child{flex-direction:column;flex:1;gap:2px;display:flex}.switch{background:#e6dccb;border-radius:17px;flex:none;width:56px;height:34px;transition:background .2s;position:relative}.switch i{background:#fff;border-radius:50%;width:28px;height:28px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 4px #00000040}.switch.on{background:var(--leaf)}.switch.on i{transform:translate(22px)}.tips{border-top:1.5px solid var(--line);flex-direction:column;gap:4px;margin-top:14px;padding-top:12px;display:flex}.scrim{z-index:50;background:#4b372861;place-items:center;padding:16px;animation:.15s fade;display:grid;position:fixed;inset:0}.dialog{background:var(--card);width:min(380px,100%);box-shadow:var(--shadow);border-radius:28px;flex-direction:column;gap:14px;padding:22px;display:flex}.dialog h3{font-size:20px;font-weight:800}.dialog p{color:var(--ink-soft);line-height:1.4}.dialog-actions{justify-content:flex-end;gap:10px;display:flex}.text-input{border:2px solid var(--line);width:100%;min-height:52px;color:var(--ink);background:#fff;border-radius:16px;outline:none;padding:0 14px}.text-input:focus{border-color:var(--peach)}.sheet{touch-action:pan-y;flex-direction:column;gap:12px;width:min(520px,100%);max-height:100%;padding:16px;display:flex;overflow-y:auto}.preview{aspect-ratio:1;border:1.5px solid var(--line);background:#fff;border-radius:18px;place-items:center;width:100%;max-height:46vh;margin:0 auto;display:grid;position:relative;overflow:hidden}.preview img{object-fit:contain;-webkit-touch-callout:default;width:100%;height:100%}.preview.checker{background:repeating-conic-gradient(#efe7d8 0% 25%,#fff 0% 50%) 0 0/24px 24px}.sheet-actions{flex-direction:column;gap:10px;display:flex}.toast{left:50%;bottom:calc(var(--safe-b) + 28px);background:var(--ink);color:#fff;z-index:60;text-align:center;border-radius:20px;max-width:90vw;padding:12px 20px;font-weight:700;animation:.2s pop;position:fixed;transform:translate(-50%)}.loading{place-items:center;display:grid;position:absolute;inset:0}.spinner{border:4px solid var(--line);border-top-color:var(--peach);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fade{0%{opacity:0}}@keyframes pop{0%{opacity:0;transform:translate(-50%,10px)}}.gallery{-webkit-overflow-scrolling:touch;touch-action:pan-y;overscroll-behavior:contain;padding:calc(var(--safe-t) + 28px) max(22px, var(--safe-r)) calc(var(--safe-b) + 40px) max(22px, var(--safe-l));background:radial-gradient(120% 70% at 50% 0%, #fffaf0 0%, var(--bg) 70%);position:absolute;inset:0;overflow-y:auto}.gallery-head{align-items:center;gap:16px;max-width:1100px;margin:0 auto 26px;display:flex}.gallery-head .logo{width:72px;height:72px;box-shadow:var(--shadow);border-radius:20px}.gallery h1{letter-spacing:-.01em;font-size:38px;font-weight:900}.gallery-head p{color:var(--ink-soft);margin-top:2px;font-weight:600}.grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;max-width:1100px;margin:0 auto;display:grid}.new-card{aspect-ratio:1/1.12;color:var(--peach-dark);border:3px dashed #f3c9bf;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:18px;display:flex}.new-card .plus{background:#ffe6e0;border-radius:50%;place-items:center;width:76px;height:76px;display:grid}.drawing-card{flex-direction:column;display:flex;overflow:hidden}.thumb{aspect-ratio:1;border-bottom:1.5px solid var(--line);background:#fff;width:100%;display:block}.thumb img{object-fit:cover;width:100%;height:100%;display:block}.thumb-empty{background:#fff;width:100%;height:100%}.meta{justify-content:space-between;align-items:center;gap:6px;padding:8px 8px 8px 16px;display:flex}.meta>div:first-child{flex-direction:column;min-width:0;display:flex}.meta strong{white-space:nowrap;text-overflow:ellipsis;font-size:16px;overflow:hidden}.meta small{color:var(--ink-soft);font-weight:600}.card-actions{flex:none;display:flex}.card-actions .btn.icon{width:44px;min-height:44px}.empty{text-align:center;color:var(--ink-soft);margin-top:30px;font-weight:600}@media (max-width:760px){.topbar .title,.topbar .divider{display:none}.topbar .btn.icon{width:44px}}@media (max-height:640px){.slider.v{height:140px}.tool{width:48px;height:48px}.size-dot-wrap{display:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.lesson-bar{left:50%;bottom:calc(var(--safe-b) + 14px);border-radius:28px;align-items:center;gap:8px;width:min(680px,100vw - 24px);padding:8px;animation:.2s fade;display:flex;position:absolute;transform:translate(-50%)}.lesson-text{flex-direction:column;flex:1;gap:3px;min-width:0;padding:0 4px;display:flex}.lesson-text strong{font-size:17px;font-weight:800;line-height:1.25}.lesson-progress{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:10px;font-size:12px;font-weight:700;display:flex}.lesson-progress .dots{gap:4px;display:flex}.lesson-progress .dots i{background:var(--line);border-radius:50%;width:8px;height:8px}.lesson-progress .dots i.done{background:#ffc2b8}.lesson-progress .dots i.now{background:var(--peach);border-radius:4px;width:18px}.lesson-color .swatch{width:30px;height:30px}.lesson-close{min-width:40px;color:var(--ink-soft);width:40px!important}.layer.guide{background:#eef3ff}.gallery h2{margin:0 0 12px;font-size:22px;font-weight:900}.section{max-width:1100px;margin:0 auto 28px}.section-title{max-width:1100px;margin:0 auto 12px!important}.lesson-strip{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;display:grid}.lesson-card{flex-direction:column;align-items:center;gap:4px;padding:10px 10px 14px;transition:transform 80ms;display:flex}.lesson-card:active{transform:scale(.96)}.lesson-thumb{aspect-ratio:1;background:linear-gradient(160deg,#fff7e8,#ffe9dc);border-radius:18px;place-items:center;width:100%;margin-bottom:4px;display:grid}.lesson-thumb svg,.lesson-thumb img{width:86%;height:86%}.lesson-card small{color:var(--ink-soft);font-weight:600}.thumb{position:relative}.badge{background:var(--peach);color:#fff;border-radius:12px;padding:5px 10px;font-size:12px;font-weight:800;position:absolute;top:10px;left:10px}@media (max-width:760px){.lesson-text strong{font-size:15px}.lesson-progress .dots{display:none}}.tool-chip{background:var(--soft);color:var(--ink);border-radius:12px;align-self:flex-start;align-items:center;gap:6px;margin-top:2px;padding:4px 10px;font-size:13px;font-weight:700;display:inline-flex}.chip-dot{border-radius:50%;width:14px;height:14px;margin-left:4px;box-shadow:0 0 0 1.5px #4b3f4540}.reference{right:max(12px, var(--safe-r));border-radius:26px;flex-direction:column;gap:8px;width:232px;padding:8px;animation:.2s fade;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.reference-tabs{align-items:center;gap:4px;display:flex}.reference-tabs button{min-height:36px;color:var(--ink-soft);border-radius:12px;flex:1;font-size:13px;font-weight:800}.reference-tabs button.on{color:var(--peach-dark);background:#ffe0d9}.reference-tabs .reference-close{flex:none;width:36px}.reference-pic{aspect-ratio:1;border:1.5px solid var(--line);background:#fff;border-radius:18px;place-items:center;display:grid}.reference-pic svg{width:92%;height:92%}.reference-pill{flex-direction:row;align-items:center;gap:8px;width:auto;padding:10px 16px;font-weight:800}@media (orientation:portrait){.reference{top:calc(var(--safe-t) + 88px);width:184px;transform:none}}.panel-anchor{z-index:5}.section-desc{color:var(--ink-soft);margin:-6px 0 14px;font-weight:600}.layer.clipped{margin-left:22px}.clip-mark{color:var(--peach-dark);place-items:center;margin-left:-4px;display:grid}.layer-actions{flex-wrap:wrap;justify-content:flex-start}.section-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.section-row h2{margin:0}.collection-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;display:grid}.collection-card{text-align:left;align-items:stretch;gap:0;min-height:150px;padding:0;transition:transform 80ms;display:flex;overflow:hidden}.collection-card:active{transform:scale(.98)}.collection-cover{flex:none;place-items:center;width:150px;display:grid}.collection-cover svg,.collection-cover img{width:84%;height:84%}.collection-text{flex-direction:column;flex:1;justify-content:center;gap:6px;min-width:0;padding:16px 16px 16px 18px;display:flex}.collection-text strong{font-size:19px;font-weight:900}.collection-text small{color:var(--ink-soft);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.pill{background:var(--soft);color:var(--ink);border-radius:10px;align-self:flex-start;padding:4px 10px;font-size:13px;font-weight:800}.tint-peach{background:linear-gradient(160deg,#fff7e8,#ffe2d6)}.tint-lilac{background:linear-gradient(160deg,#f8f2ff,#e9dcff)}.tint-mint{background:linear-gradient(160deg,#f1fff6,#d8f5e4)}.tint-amber{background:linear-gradient(160deg,#fff6e6,#fbdcb4)}.tint-sky{background:linear-gradient(160deg,#f0f8ff,#d9ecff)}.tint-lemon{background:linear-gradient(160deg,#fffdea,#fff1b8)}.screen-head{align-items:center;gap:18px;max-width:1100px;margin:0 auto 24px;display:flex}.screen-head h1{letter-spacing:-.01em;font-size:34px;font-weight:900}.screen-head p{color:var(--ink-soft);margin-top:2px;font-weight:600}.btn.back{background:var(--card);border:1.5px solid var(--line);box-shadow:var(--shadow);flex:none;padding-left:10px}.lesson-strip.wide{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));max-width:1100px;margin:0 auto}.screen-foot{justify-content:center;max-width:1100px;margin:26px auto 0;display:flex}.section-link{color:var(--ink);align-items:center;gap:10px;margin-bottom:12px;display:flex}.section-link h2{margin:0}.section-link svg{color:var(--ink-soft)}@media (max-width:760px){.screen-head{flex-direction:column;align-items:flex-start;gap:10px}.collection-cover{width:120px}}