:root{color-scheme:light;--bg: #f5f7fa;--surface: #ffffff;--surface-strong: #f8fafc;--sidebar: #101720;--sidebar-muted: #8996a8;--text: #15202b;--muted: #617084;--border: #dfe5ec;--accent: #0c8f91;--accent-strong: #086f72;--blue: #2f6fed;--green: #23a56f;--amber: #d89216;--danger: #c2414b;--shadow: 0 18px 50px rgba(15, 23, 42, .09);--radius: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}:root[data-theme=dark]{color-scheme:dark;--bg: #0e141b;--surface: #151d26;--surface-strong: #111820;--sidebar: #090f15;--sidebar-muted: #8c9aab;--text: #eef4f8;--muted: #a3afbd;--border: #263241;--shadow: 0 18px 50px rgba(0, 0, 0, .28)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:280px 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