:root{--bg:#ecefed;--panel:#fbfcfb;--panel-strong:#ffffff;--text:#17212b;--muted:#63707d;--border:#ccd4d0;--accent:#0f8b8d;--accent-strong:#0a6f70;--amber:#b7791f;--danger:#b42318;--shadow:0 12px 34px rgba(23,33,43,0.08)}*{box-sizing:border-box}body,html{min-height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.shell{min-height:100vh;padding:18px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}.panel-heading h2,.topbar h1{margin:0;font-size:20px;line-height:1.2}.panel-heading h2{font-size:15px}.eyebrow{margin:0 0 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104px);flex-direction:column;overflow:hidden}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.inspector-panel .panel-heading{margin:12px 0 8px}.icon-button{width:38px;padding:0}.dropzone{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:4/5;overflow:hidden;border:1px dashed #9aa7a2;border-radius:8px;background:#f4f6f5;color:var(--muted)}.dropzone.analyzing{border-color:var(--accent)}.source-preview{position:relative;width:100%;overflow:hidden}.source-preview-inner{position:relative;width:100%;height:100%;transform-origin:center;transition:transform .12s ease}.source-preview img{width:100%;height:100%;object-fit:contain;display:block}.source-box{position:absolute;display:block;min-width:26px;min-height:18px;overflow:hidden;border:2px solid 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(max-width:640px){.shell{padding:10px}.topbar{align-items:flex-start;flex-direction:column}.topbar-actions{width:100%}.status{flex:1 1;max-width:none}.export-row,.preview-actions,.tool-row{align-items:stretch}.preview-actions{justify-content:stretch}.background-picker,.comparison-mode,.preview-actions .export-row,.reference-opacity{width:100%}.comparison-mode button{flex:1 1}.tool-button{flex:1 1 140px}.settings-backdrop{place-items:start center;padding:58px 10px 10px}}