:root{--bg: #fff6ea;--bg-deep: #ffedd7;--card: #ffffff;--ink: #4a3421;--ink-soft: #9b7f63;--accent: #ff8a3d;--accent-deep: #f4701f;--danger: #e5533c;--shadow: 0 10px 30px -12px rgba(120, 72, 20, .25);--shadow-soft: 0 6px 18px -8px rgba(120, 72, 20, .18);--radius-xl: 30px;--radius-lg: 22px;--radius-md: 16px;--spring: cubic-bezier(.34, 1.56, .64, 1);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}#root{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}button{font-family:inherit;border:none;cursor:pointer;color:inherit}button:disabled{opacity:.35;cursor:default}img{-webkit-user-drag:none;-webkit-user-select:none;user-select:none}.home{min-height:100%;max-width:60rem;margin:0 auto;padding:calc(24px + var(--safe-top)) 20px calc(28px + var(--safe-bottom));display:flex;flex-direction:column}.home-hero{text-align:center;margin:8px 0 26px}.home-logo{width:84px;height:84px;border-radius:24px;box-shadow:var(--shadow-soft);animation:bob 3.2s ease-in-out infinite}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.home h1{margin:14px 0 6px;font-size:2rem;letter-spacing:-.02em}.home-sub{margin:0;color:var(--ink-soft);font-size:1.05rem}.art-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media(min-width:640px){.art-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:960px){.art-grid{grid-template-columns:repeat(4,1fr)}}.art-card{display:block;background:var(--card);border-radius:var(--radius-xl);padding:12px;box-shadow:var(--shadow-soft);text-decoration:none;color:inherit;transition:transform .35s var(--spring),box-shadow .25s ease}.art-card:active{transform:scale(.94);transition-duration:.12s}@media(hover:hover){.art-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow)}}.art-thumb{border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:2px solid #f6ead6;padding:8px}.art-thumb img{display:block;width:100%;height:auto;border-radius:14px}.art-meta{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:10px 6px 4px}.art-name{font-weight:700;font-size:1.05rem;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.art-progress{font-size:.78rem;color:var(--ink-soft);white-space:nowrap}.art-progress.has-progress{color:var(--accent-deep);font-weight:600}.home-foot{margin-top:auto;padding-top:34px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.install-btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:1rem;font-weight:700;padding:12px 22px;border-radius:999px;box-shadow:var(--shadow-soft);transition:transform .3s var(--spring)}.install-btn:active{transform:scale(.93)}.offline-badge{margin:0;color:var(--ink-soft);font-size:.85rem}.legal-links{display:flex;gap:10px;font-size:.85rem}.legal-links a{color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px}.color-screen{height:100%;height:100dvh;display:flex;flex-direction:column;background:radial-gradient(circle at 12% 8%,#ffe9cf 0%,transparent 42%),radial-gradient(circle at 88% 92%,#e8f6ff 0%,transparent 46%),var(--bg)}.color-top{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(10px + var(--safe-top)) 14px 10px}.color-title{font-size:1.15rem;font-weight:800;background:var(--card);padding:8px 18px;border-radius:999px;box-shadow:var(--shadow-soft);white-space:nowrap;min-width:0;overflow:hidden;text-overflow:ellipsis}.color-actions{display:flex;gap:8px}.icon-btn{width:52px;height:52px;border-radius:50%;background:var(--card);box-shadow:var(--shadow-soft);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);transition:transform .3s var(--spring),background .2s ease;flex-shrink:0}.icon-btn:active:not(:disabled){transform:scale(.88);background:var(--bg-deep)}.icon-btn.small{width:44px;height:44px;align-self:center}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;background:transparent}.menu-card{position:absolute;top:calc(100% + 6px);right:14px;z-index:71;background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:8px;display:flex;flex-direction:column;min-width:208px}.menu-item{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:var(--radius-md);font-size:1.02rem;font-weight:600;color:var(--ink);background:transparent;transition:background .15s ease,transform .3s var(--spring);text-align:left}.menu-item:active:not(:disabled){background:var(--bg-deep);transform:scale(.97)}.menu-item:disabled{opacity:.35}.menu-item-icon{width:24px;min-width:24px;display:inline-flex;color:var(--accent-deep)}.canvas-wrap{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:4px 14px 10px;position:relative}.paint-canvas{max-width:100%;max-height:100%;border-radius:var(--radius-xl);background:#fff;box-shadow:var(--shadow);touch-action:none;cursor:crosshair}.paint-canvas.hidden{visibility:hidden}.color-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--ink-soft);font-size:1.05rem;text-align:center;padding:20px}.color-center-hint{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px}.spinner{width:44px;height:44px;border-radius:50%;border:5px solid var(--bg-deep);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.palette{padding:6px 10px calc(12px + var(--safe-bottom))}.palette-row{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:10px 12px;background:var(--card);border-radius:var(--radius-xl);box-shadow:var(--shadow-soft);scrollbar-width:none}.palette-row::-webkit-scrollbar{display:none}.swatch{width:54px;height:54px;min-width:54px;border-radius:50%;border:3px solid rgba(0,0,0,.08);transition:transform .35s var(--spring),box-shadow .2s ease,border-color .2s ease;display:inline-flex;align-items:center;justify-content:center;color:#b08a5f}.swatch:active{transform:scale(.9)}.swatch.selected{transform:scale(1.18);border-color:var(--ink);box-shadow:0 0 0 4px #fff,0 6px 16px -6px #78481466}.swatch.eraser svg{opacity:.75}.palette-divider{width:2px;height:36px;min-width:2px;border-radius:2px;background:var(--bg-deep)}.big-btn{font-size:1.1rem;font-weight:800;padding:14px 26px;border-radius:999px;transition:transform .3s var(--spring);text-decoration:none}.big-btn:active{transform:scale(.92)}.big-btn.primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-soft)}.big-btn.ghost{background:var(--bg-deep);color:var(--ink)}.big-btn.danger{background:var(--danger);color:#fff;box-shadow:var(--shadow-soft)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#4a34216b;display:flex;align-items:center;justify-content:center;padding:24px;z-index:60;animation:fade-in .2s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.dialog-card{background:var(--card);border-radius:var(--radius-xl);padding:30px 26px;max-width:340px;width:100%;text-align:center;box-shadow:var(--shadow)}.pop-in{animation:pop-in .38s var(--spring)}@keyframes pop-in{0%{transform:scale(.72);opacity:0}to{transform:scale(1);opacity:1}}.dialog-title{margin:0 0 8px;font-size:1.3rem}.dialog-desc{margin:0 0 22px;color:var(--ink-soft);line-height:1.6}.dialog-actions{display:flex;gap:12px;justify-content:center}.dialog-actions .big-btn{flex:1;padding:13px 10px}.celebrate-card{padding-top:34px}.celebrate-emoji{font-size:64px;line-height:1;animation:pop-in .5s var(--spring)}.celebrate-stars{position:relative;height:0}.star{position:absolute;font-size:26px;animation:twinkle 1.4s ease-in-out infinite}.star.s1{left:6%;top:-46px}.star.s2{left:22%;top:-64px;animation-delay:.3s}.star.s3{left:50%;top:-74px;animation-delay:.6s}.star.s4{left:70%;top:-60px;animation-delay:.15s}.star.s5{left:86%;top:-42px;animation-delay:.45s}@keyframes twinkle{0%,to{transform:scale(.85) rotate(-8deg);opacity:.75}50%{transform:scale(1.15) rotate(8deg);opacity:1}}.update-toast{position:fixed;left:16px;right:16px;bottom:calc(16px + var(--safe-bottom));background:#3f2d1c;color:#fff;border-radius:var(--radius-lg);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow);z-index:80;animation:toast-up .4s var(--spring)}@keyframes toast-up{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}.update-toast-text{display:flex;flex-direction:column;gap:2px;font-size:.92rem;line-height:1.45}.update-toast-text span{opacity:.78;font-size:.82rem}.update-toast-actions{display:flex;gap:8px;flex-shrink:0}.toast-btn{background:#ffffff29;color:#fff;border-radius:999px;padding:9px 14px;font-weight:600;font-size:.88rem;white-space:nowrap}.toast-btn.primary{background:var(--accent)}.notfound{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px}.notfound-emoji{font-size:58px}.notfound p{color:var(--ink-soft);margin:0 0 14px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}