:root{--bg:#141715;--bg-elevated:#1a1e1b;--surface:#1d211e;--surface-soft:#262c27;--surface-line:#363e37;--control-bg:#ffffff08;--text:#eeefe9;--muted:#b2b9af;--subtle:#9da698;--primary:#7bd8e8;--primary-strong:#a0e6f0;--primary-contrast:#082127;--danger:#ffb4ab;--shadow:0 12px 36px #00000026;--radius:8px;--radius-sm:4px;--max-width:1120px;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font:16px/1.5 var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}:root[data-theme=light]{--bg:#f6f5f0;--bg-elevated:#fcfbf7;--surface:#fcfbf7;--surface-soft:#e9eae2;--surface-line:#d4d8cc;--control-bg:#212a1f06;--text:#222b24;--muted:#5c655b;--subtle:#64705f;--primary:#086777;--primary-contrast:#fff;--primary-strong:#064c59;--danger:#a52222;--shadow:0 12px 36px 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55%, transparent);border-radius:var(--radius-sm);color:var(--danger);background:color-mix(in srgb, var(--danger) 10%, transparent);margin:20px 0 0;padding:12px 14px}.workspace{gap:16px;min-width:0;margin-top:28px;display:grid}.file-summary{color:var(--muted);overflow-wrap:anywhere;word-break:break-word;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;display:flex}.file-summary__format{color:var(--primary-contrast);background:var(--primary);border-radius:4px;padding:4px 8px;font-size:12px;font-weight:800}.file-summary__lifetime{color:var(--subtle);flex-basis:100%}.settings-card,.preview-card{border:1px solid var(--surface-line);border-radius:var(--radius);background:var(--surface);min-width:0;box-shadow:var(--shadow);padding:22px}.control-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;min-width:0;display:grid}label{color:var(--muted);gap:7px;font-size:13px;font-weight:700;display:grid}input,select{border:1px solid 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