:root{--bg: #f6f7fb;--bg-elevated: #ffffff;--panel: #ffffff;--panel-2: #f1f3f9;--border: #e4e7ef;--border-strong: #d3d8e4;--text: #1a1d26;--text-soft: #4a5163;--muted: #8a91a3;--accent: #5b6cff;--accent-soft: #eef0ff;--accent-strong: #4453e0;--danger: #e5484d;--danger-soft: #fdecec;--success: #2fa36b;--user-bubble: linear-gradient(135deg, #5b6cff, #7a5bff);--assistant-bubble: #f1f3f9;--shadow-sm: 0 1px 2px rgba(20, 24, 40, .06);--shadow-md: 0 6px 24px rgba(20, 24, 40, .08);--shadow-lg: 0 16px 48px rgba(20, 24, 40, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-full: 999px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;color-scheme:light}:root[data-theme=dark]{--bg: #0d0f14;--bg-elevated: #14171f;--panel: #14171f;--panel-2: #1b1f29;--border: #262b36;--border-strong: #333a48;--text: #e8eaf0;--text-soft: #b3b9c9;--muted: #7d8496;--accent: #7c8bff;--accent-soft: #1e2233;--accent-strong: #9aa6ff;--danger: #ff6b6b;--danger-soft: 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