:root{--brand: #438edb;--brand-dark: #3178c0;--bg: #f5f6f8;--card: #ffffff;--text: #1f2329;--muted: #8a9099;--danger: #e54545;--border: #e3e6eb;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--radius: 12px}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{font-family:-apple-system,PingFang SC,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-shell{width:100%;max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar .title{font-weight:600;font-size:16px;display:flex;align-items:center}.topbar-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}.badge{font-size:11px;color:#fff;background:var(--brand);padding:1px 6px;border-radius:4px;margin-left:6px}.content{flex:1;padding:16px;width:100%}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}.card h2{margin:0 0 16px;font-size:18px}.card h3{margin:0 0 12px;font-size:15px}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}input,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:#fff;color:var(--text)}input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #438edb26}input[type=color]{height:44px;padding:4px;cursor:pointer}.btn{display:block;width:100%;padding:12px;border:none;border-radius:8px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn:hover:not(:disabled){background:var(--brand-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.secondary:hover:not(:disabled){background:#f7f8fa}.btn.danger{background:var(--danger)}.btn.danger:hover:not(:disabled){background:#cf3b3b}.link{color:var(--brand);background:none;border:none;cursor:pointer;font-size:14px;padding:0}.link:hover{text-decoration:underline}.row{display:flex;gap:8px}.row>*{flex:1}.error-msg{color:var(--danger);font-size:13px;margin:8px 0}.notice{color:var(--muted);font-size:12px;line-height:1.5;margin-top:8px}.lang-switch{flex:0 0 auto;white-space:nowrap;background:none;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;line-height:1;cursor:pointer;color:var(--text)}.lang-switch:hover{border-color:var(--brand);color:var(--brand)}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:10px;padding:40px 16px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}.upload-zone:hover{border-color:var(--brand);background:#fafcff}.upload-zone img{max-width:100%;max-height:360px;border-radius:8px}.color-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.swatch{width:40px;height:40px;border-radius:8px;border:2px solid var(--border);cursor:pointer;transition:transform .1s}.swatch:hover{transform:scale(1.08)}.swatch.active{border-color:var(--brand);box-shadow:0 0 0 2px #438edb40}.example-entry{width:100%;display:flex;align-items:center;gap:10px;padding:8px;border:1px solid var(--border);border-radius:9px;background:#fafcff;color:var(--brand-dark);font:inherit;font-size:13px;font-weight:600;cursor:pointer}.example-entry:hover{border-color:var(--brand)}.example-entry img{width:40px;height:48px;object-fit:cover;border-radius:5px}.example-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:flex-end;justify-content:center;background:#1018287a}.example-sheet{width:min(100%,720px);max-height:88vh;overflow-y:auto;overscroll-behavior:contain;background:var(--card);border-radius:18px 18px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -12px 40px #0000002e}.example-handle{width:42px;height:4px;margin:0 auto 12px;border-radius:4px;background:#c7ccd3}.example-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.example-header h2{margin:0 0 7px;font-size:18px}.example-ai-badge{display:inline-block;padding:3px 7px;border-radius:5px;background:#eef6ff;color:var(--brand-dark);font-size:11px}.example-close{border:0;background:none;color:var(--brand-dark);padding:6px;cursor:pointer;font-size:14px}.example-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.example-strict{margin:14px 0;padding:10px 12px;border-radius:8px;background:#fff7e6;color:#805800;font-size:12px;line-height:1.5}.example-before-after{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.example-before-after figure,.example-mistakes figure{margin:0;text-align:center}.example-before-after img{width:100%;aspect-ratio:3 / 4;object-fit:cover;border-radius:8px;border:1px solid var(--border);background:#f3f4f6}.example-before-after figcaption,.example-mistakes figcaption{margin-top:5px;color:var(--muted);font-size:12px}.example-section{margin-top:20px}.example-section h3{margin:0 0 10px;font-size:15px}.example-section ul{margin:0;padding-left:20px;color:#555c66;font-size:13px;line-height:1.8}.example-mistakes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.example-mistakes img{width:100%;aspect-ratio:3 / 4;object-fit:cover;border-radius:7px;border:1px solid var(--border)}.compare{display:flex;gap:12px}.compare figure{flex:1;margin:0;text-align:center}.compare img{width:100%;border-radius:8px;border:1px solid var(--border)}.compare figcaption{font-size:12px;color:var(--muted);margin-top:4px}.tabbar{display:flex;border-top:1px solid var(--border);background:var(--card);position:sticky;bottom:0}.tabbar a{flex:1;text-align:center;padding:12px;color:var(--muted);text-decoration:none;font-size:13px}.tabbar a.active{color:var(--brand);font-weight:600}.review-list{font-size:13px;color:var(--muted);padding-left:18px}@media(min-width:768px){.app-shell{max-width:720px;min-height:100vh;box-shadow:0 0 0 1px var(--border);background:var(--card)}.content{padding:28px 40px;background:var(--bg)}.card{padding:24px}.card h2{font-size:20px}.auth-narrow{max-width:420px;margin-left:auto;margin-right:auto}.make-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.make-grid>.card{margin-bottom:0}.upload-zone{padding:64px 16px}.btn.primary-action{max-width:320px;margin-left:auto;margin-right:auto}}@media(min-width:1100px){.app-shell{max-width:960px}}