:root{--bg-app: #edf1f5;--bg-sidebar: #f8fafc;--bg-panel: #ffffff;--bg-hover: #eef3f7;--bg-msg-agent: #f8fafc;--border: #d9e0e7;--border-strong: #cbd5df;--border-active: #cad6e1;--border-msg: #e1e7ed;--text-primary: #1f2933;--text-heading: #111827;--text-body: #273342;--text-secondary: #4b5968;--text-muted: #697586;--text-faint: #9aa6b2;--text-on-dark: #ffffff;--dark: #1f2933;--accent: #356f8f;--accent-soft: #e8f1f6;--ok: #2f9e68;--ok-bg: #e8f6ee;--ok-text: #217a51;--warn-text: #a15c00;--warn-bg: #fdf3d7;--danger-text: #ba2f3b;--danger-bg: #fdecea;--radius: 8px;--radius-sm: 6px;--shadow-card: 0 1px 2px #0f172a0f;--font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, 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