:root{--background: #fffdf8;--foreground: #211d18;--surface: #f5f2eb;--primary: #ffe66f;--primary-hover: #f5d74e;--primary-foreground: #211d18;--secondary: #eee9df;--muted-foreground: #70675d;--accent: #9c4939;--accent-surface: #fff4c8;--border: #ded8cc;--ring: #75531a;--error: #9e3528;--error-background: #fff0ea;--overlay: #211d1899;--photo-label: #211d18d9;--on-dark: #fffdf8;--shadow-overlay: 0 16px 48px #211d1829;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--radius-control: 12px;--radius-surface: 16px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--space-12: 48px;--motion-feedback: .16s}:root{color:var(--foreground);background:var(--background);font-family:var(--font-family);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:280px}button,input{font:inherit}button{border:0;cursor:pointer}button,a,summary,input{-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,summary:focus-visible,.photo-picker:focus-within{outline:2px solid var(--ring);outline-offset:4px}button svg,a svg{flex-shrink:0}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{margin:0}.app-shell{min-height:100dvh;padding:var(--space-12) var(--space-6)}.page-container{width:min(100%,720px);margin-inline:auto}.single-stage .page-container{max-width:480px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-8)}.eyebrow{margin:0 0 var(--space-3);color:var(--accent);font-size:14px;font-weight:650}.topbar h1{font-size:28px;font-weight:650;line-height:1.4;text-wrap:balance}.content{min-width:0}.upload-layout{display:grid;gap:var(--space-4)}.upload-prompt{margin:0 0 var(--space-2);color:var(--muted-foreground);font-size:16px;line-height:1.6}.upload-grid{display:grid;gap:var(--space-4)}.upload-grid.two{grid-template-columns:1fr 1fr}.photo-picker{position:relative;display:grid;place-items:center;height:280px;overflow:hidden;border:1px dashed var(--border);border-radius:var(--radius-surface);background:var(--surface);cursor:pointer}.photo-picker>span{display:grid;justify-items:center;gap:var(--space-3)}.photo-picker strong{font-size:16px;font-weight:600}.photo-picker small{font-size:14px;color:var(--muted-foreground)}.photo-picker img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain}.photo-picker input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.photo-picker .replace-photo{position:absolute;bottom:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);color:var(--on-dark);background:var(--photo-label);font-size:13px;pointer-events:none}.input-hint{margin:0;color:var(--muted-foreground);text-align:center;font-size:13px;line-height:1.6}.action-row{display:grid;gap:var(--space-3);margin-top:var(--space-2)}.primary-btn,.ghost-btn,.inline-share button,.locked-card button,.saved-image-footer a{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:48px;padding:var(--space-3) var(--space-6);border-radius:var(--radius-control);font-weight:600;line-height:1.5;text-align:center;text-decoration:none;transition:background-color var(--motion-feedback) ease-out}.primary-btn{width:100%;min-height:52px;color:var(--primary-foreground);background:var(--primary)}.primary-btn:disabled{color:var(--muted-foreground);background:var(--secondary)}.ghost-btn{color:var(--foreground);background:var(--secondary)}@media (hover: hover){.primary-btn:not(:disabled):hover,.saved-image-footer a:hover{background:var(--primary-hover)}.back-link:hover,.inline-share button:hover{color:var(--accent);background:var(--surface)}.photo-picker:hover{border-color:var(--muted-foreground)}}.privacy-note,.result-caveat{margin:var(--space-2) 0 0;color:var(--muted-foreground);font-size:12px;line-height:1.8}.privacy-note{text-align:center}.input-error{padding:var(--space-4);border-radius:var(--radius-control);color:var(--error);background:var(--error-background);line-height:1.6}.input-error strong{font-size:14px}.input-error p{margin:var(--space-1) 0 0;font-size:14px}.loading-stage{display:grid;justify-items:center;gap:var(--space-6);padding-block:var(--space-12);text-align:center}.loading-symbol{display:grid;place-items:center;width:72px;height:72px;border-radius:var(--radius-surface);background:var(--accent-surface)}.loading-stage h2{font-size:22px;line-height:1.5}.loading-description,.loading-note{margin:0;color:var(--muted-foreground);font-size:14px;line-height:1.7}.loading-list{display:grid;gap:var(--space-2);width:100%;margin:0;padding:0;list-style:none;text-align:left}.loading-step{display:flex;align-items:center;gap:var(--space-3);min-height:56px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-control);color:var(--muted-foreground);transition:background-color var(--motion-feedback) ease-out}.loading-step[data-state=active]{color:var(--foreground);background:var(--accent-surface)}.loading-step[data-state=done]{color:var(--foreground)}.loading-step-icon{display:grid;place-items:center;flex:0 0 20px}.loading-step-label{flex:1;min-width:0;font-size:14px;line-height:1.6}.loading-step-status{flex-shrink:0;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.loading-note{max-width:32ch;font-size:13px}.loading-spinner{animation:loading-spin 1.2s linear infinite}@keyframes loading-spin{to{transform:rotate(360deg)}}.report-layout{display:grid;gap:var(--space-6);padding-bottom:120px}.back-link{display:inline-flex;align-items:center;justify-self:start;gap:var(--space-2);min-height:44px;padding:var(--space-2);margin-left:calc(-1 * var(--space-2));color:var(--muted-foreground);background:transparent;border-radius:var(--radius-control);font-size:14px}.hero-result{position:relative;display:grid;gap:var(--space-6);padding:var(--space-8);border-radius:var(--radius-surface);background:var(--accent-surface)}.photo-stack{display:flex;align-items:center}.photo-stack img{width:64px;height:64px;object-fit:cover;border-radius:50%}.photo-stack img+img{margin-left:var(--space-2)}.hero-result .eyebrow{margin:0 0 var(--space-2);color:var(--muted-foreground);font-size:13px}.hero-result h2{font-size:32px;line-height:1.35;font-weight:650;text-wrap:balance}.hero-result p{margin:var(--space-3) 0 0;line-height:1.75}.score-ring{display:flex;align-items:baseline;gap:var(--space-3)}.score-ring strong{font-size:36px;line-height:1.2;font-weight:600;font-variant-numeric:tabular-nums}.score-ring span{font-size:13px;color:var(--muted-foreground)}.tag-row{display:flex;flex-wrap:wrap;gap:var(--space-2)}.tag-row span{padding:6px var(--space-3);border-radius:999px;color:var(--muted-foreground);background:var(--surface);font-size:13px;line-height:1.5}.dimension-panel{display:grid;gap:var(--space-6);padding-block:var(--space-4) var(--space-8);border-bottom:1px solid var(--border)}.section-heading{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-2)}.section-heading h3,.summary-panel h3,.report-card h3{font-size:18px;font-weight:600;line-height:1.5}.section-heading span{color:var(--muted-foreground);font-size:13px}.dimension-list{display:grid;gap:var(--space-4)}.dimension-row{display:grid;grid-template-columns:minmax(80px,1fr) minmax(0,2fr) 28px;gap:var(--space-4);align-items:center}.dimension-copy{display:grid;gap:var(--space-1)}.dimension-copy strong{font-size:14px;font-weight:550}.dimension-copy span{color:var(--muted-foreground);font-size:12px;line-height:1.6;overflow-wrap:anywhere}.dimension-track{height:6px;overflow:hidden;border-radius:999px;background:var(--secondary)}.dimension-track i{display:block;height:100%;border-radius:inherit;background:var(--accent)}.dimension-row b{text-align:right;font-size:14px;font-weight:500;font-variant-numeric:tabular-nums}.summary-panel{display:grid;gap:var(--space-8)}.summary-panel p,.report-card p{max-width:70ch;margin:var(--space-3) 0 0;color:var(--muted-foreground);font-size:16px;line-height:1.8}.photo-observations{border-top:1px solid var(--border);padding-top:var(--space-4);font-size:14px;line-height:1.8}.photo-observations summary{cursor:pointer;min-height:44px;padding-block:var(--space-2)}.photo-observations ul{margin:var(--space-2) 0;padding-left:20px}.photo-observations p{margin-bottom:0;color:var(--muted-foreground);font-size:12px}.inline-share{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-2);padding-top:var(--space-6);border-top:1px solid var(--border)}.inline-share>span{color:var(--muted-foreground);font-size:14px;line-height:1.7}.inline-share button{min-height:44px;padding:var(--space-2) var(--space-3);color:var(--foreground);background:transparent;font-size:14px}.sticky-actions{position:fixed;z-index:4;bottom:0;left:50%;transform:translate(-50%);width:min(100%,768px);padding:var(--space-3) var(--space-6) max(var(--space-4),env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--background)}.save-error{margin:0 0 var(--space-2);color:var(--error);font-size:14px;line-height:1.6}.toast{position:fixed;z-index:25;bottom:100px;left:50%;transform:translate(-50%);width:min(360px,calc(100% - 32px));padding:var(--space-4);border-radius:var(--radius-control);color:var(--on-dark);background:var(--foreground);line-height:1.6}.saved-image-dialog{width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:0;border:0;border-radius:var(--radius-surface);color:var(--foreground);background:var(--background);box-shadow:var(--shadow-overlay)}.saved-image-dialog[open]{display:flex;flex-direction:column}.saved-image-dialog::backdrop{background:var(--overlay)}.saved-image-header,.saved-image-footer{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex:0 0 auto;padding:var(--space-4)}.saved-image-header h2{font-size:18px}.icon-btn{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:var(--radius-control);color:var(--foreground);background:var(--surface)}.saved-image-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain}.saved-image-scroll img{display:block;width:100%;height:auto;-webkit-touch-callout:default}.saved-image-footer{flex-wrap:wrap;font-size:13px;color:var(--muted-foreground);line-height:1.6}.saved-image-footer a{width:100%;color:var(--primary-foreground);background:var(--primary)}.segmented{display:flex;padding:var(--space-1);border-radius:var(--radius-control);background:var(--surface)}.segmented button{display:inline-flex;align-items:center;gap:var(--space-1);min-height:44px;padding:var(--space-2);border-radius:var(--radius-control);color:var(--foreground);background:transparent}.segmented button.active{background:var(--primary)}.report-card,.locked-card,.unlocked-block{display:grid;gap:var(--space-4);padding-block:var(--space-4)}.locked-card p,.ad-modal p{color:var(--muted-foreground);line-height:1.7}.locked-card button{color:var(--foreground);background:var(--secondary)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:var(--space-6);background:var(--overlay)}.ad-modal{display:grid;gap:var(--space-4);width:min(420px,100%);padding:var(--space-6);border-radius:var(--radius-surface);background:var(--background)}.ad-modal h2{font-size:22px}.ad-screen{display:grid;place-items:center;padding:var(--space-8);background:var(--surface)}@media (max-width: 520px){.app-shell{padding:var(--space-8) var(--space-4)}.topbar{padding-bottom:var(--space-6)}.topbar h1{font-size:26px}.photo-picker{height:248px}.upload-grid.two{grid-template-columns:1fr}.hero-result{padding:var(--space-6)}.hero-result h2{font-size:28px}.dimension-row{gap:var(--space-3)}.sticky-actions{padding-inline:var(--space-4)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}