@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@500;600;650;700;750;800&display=swap";:root{font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#4f556b;background:#f8f9fc;font-synthesis:none;font-size:12px;font-weight:450;--surface: #ffffff;--surface-subtle: #f4f6fa;--scrollbar: #c3cad8;--text-secondary: #59657c;--accent-text: #6750bd;--accent-fill: #7963da;--accent-surface: #f0ecfc;--accent-border: #c4b5ec;--success-surface: #e8f5ef;--success-text: #226f54;--warning-surface: #fff3dd;--warning-text: #805518;--danger-surface: #fff0ee;--danger-text: #a63b43;--model-glow: #e1eaf7;--model-ground: #f4f7fb;--purple: #7963da;--purple-light: #f0ecfc;--border: #e9ebf1;--muted: #969caf;--ink: #32384d;--canvas-surround: #f4f5f8;--canvas-grid: #c7cbd7;--paper-border: #e6e8ef;--preview-background: #fbfbfd;--preview-wire: #c4c8d5;color-scheme:light}:root[data-theme=dark]{color-scheme:dark;color:#c8d1e3;background:#101625;--surface: #151c2d;--model-glow: #253750;--model-ground: #101a2b;--surface-subtle: #1b2437;--border: #2c374d;--scrollbar: #3a4760;--ink: #edf1fa;--text-secondary: #bdc8dc;--muted: #9baac3;--purple: #b5a1ff;--purple-light: #2c2545;--accent-text: #bdacff;--accent-fill: #8062d9;--accent-surface: #2b2543;--accent-border: #65538d;--success-surface: #1c302c;--success-text: #a1d5bc;--warning-surface: #352c1e;--warning-text: #e5c182;--danger-surface: #38252a;--danger-text: #edb4ae;--canvas-surround: #101625;--canvas-grid: #3a4760;--paper-border: #44516a;--preview-background: #101625;--preview-wire: #9baac3}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0;transition:background .14s,color 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#fff);position:relative;z-index:30;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;color:var(--ink, #30364c)}.brand>span:first-of-type{font-family:Manrope,sans-serif;font-size:22px;font-weight:800;letter-spacing:-1px}.brand-icon{display:block;flex-shrink:0;border-radius:7px;object-fit:cover}.brand-dot{color:var(--purple)}.header-divider{height:22px;width:1px;background:var(--border);flex-shrink:0}.document-heading{display:flex;align-items:center;gap:4px;min-width:200px;flex:1}.document-heading>input{border:0;background:none;max-width:260px;width:190px;font-size:13px;font-weight:600;color:var(--ink);padding:5px 0}.document-heading>input:hover{background:var(--surface-subtle, #fbfafc)}.save-status{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--text-secondary, #9aa1b2);margin-left:10px;white-space:nowrap}.save-status svg{color:var(--success-text, #a3b5a5)}.save-status.warning{color:var(--warning-text, 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