:root{color:#17202a;background:#eef3f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.72}.app-shell{width:min(1280px,calc(100vw - 32px));margin:0 auto;padding:28px 0}.auth-shell{display:grid;min-height:100vh;place-items:center;padding:24px}.auth-panel{display:grid;width:min(100%,420px);gap:16px;border:1px solid #d8e1e2;border-radius:8px;padding:28px;background:#fbfdfc;box-shadow:0 18px 42px #17202a1a}.auth-panel h1{font-size:2.75rem}.auth-panel label{display:grid;gap:8px;color:#526367;font-size:.9rem;font-weight:800}.auth-panel input{min-height:44px;border:1px solid #d8e1e2;border-radius:8px;padding:0 12px;outline:0}.auth-panel input:focus{border-color:#1d6f68}.auth-icon{display:inline-grid;width:48px;height:48px;place-items:center;border-radius:8px;background:#e3f1ef;color:#1d6f68}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.header-actions{display:flex;align-items:center;gap:10px}.eyebrow{margin:0 0 5px;color:#68767a;font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;line-height:1.1}h1{font-size:clamp(2rem,4vw,3.5rem)}h2{font-size:1.25rem;overflow-wrap:anywhere}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:0;border-radius:8px;padding:0 16px;background:#1d6f68;color:#fff;font-weight:800}.alert{display:flex;align-items:center;gap:10px;margin-bottom:18px;border:1px solid #f3b8b0;border-radius:8px;padding:12px 14px;background:#fff3f1;color:#9f1f17;font-weight:700}.alert.compact{margin-bottom:0}.summary-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;overflow:hidden;margin-bottom:18px;border:1px solid #d8e1e2;border-radius:8px;background:#d8e1e2}.summary-band div{display:flex;min-height:76px;flex-direction:column;justify-content:center;padding:16px;background:#fbfdfc}.summary-band span,.metadata dt{color:#68767a;font-size:.82rem;font-weight:700}.summary-band strong{margin-top:4px;font-size:1.35rem;overflow-wrap:anywhere}.workspace{display:grid;grid-template-columns:minmax(290px,360px) minmax(0,1fr);gap:18px;align-items:start}.library-panel,.detail-panel{border:1px solid #d8e1e2;border-radius:8px;background:#fbfdfc}.library-panel{display:flex;max-height:calc(100vh - 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20px,720px);padding:18px 0}.topbar{align-items:flex-start;flex-direction:column}.header-actions{width:100%;justify-content:space-between}.summary-band,.workspace,.metadata,.operation-list{grid-template-columns:1fr}.library-panel{max-height:none;min-height:0}.preview-area{min-height:260px}.primary-button{flex:1}}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}