*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-bg: #f8fafc;--color-surface: #ffffff;--color-sidebar: #1f1f1f;--color-sidebar-text: #c9c9c9;--color-sidebar-hover: #2e2e2e;--color-sidebar-active: #2563eb;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #64748b;--color-ai-bg: #eff6ff;--color-ai-border: #bfdbfe;--color-ai-accent: #7c3aed;--color-ai-accent-bg: #ede9fe;--color-ai-accent-border: #c4b5fd;--color-error: #dc2626;--color-danger: #ef4444;--color-error-bg: #fef2f2;--color-error-border: #fecaca;--color-success: #16a34a;--color-success-bg: #f0fdf4;--color-warning: #d97706;--color-bg-hover: #f1f5f9;--color-primary-light: rgba(37,99,235,.08);--color-focus-ring: rgba(37,99,235,.15);--color-scrollbar-thumb: #cbd5e1;--text-primary: #111;--text-secondary: #666;--border: #ddd;--bg-hover: #f5f5f5;--bg-input: #fff;--badge-blue-bg: #dbeafe;--badge-blue-fg: #1e40af;--badge-amber-bg: #fef3c7;--badge-amber-fg: #92400e;--badge-green-bg: #f0fdf4;--badge-green-fg: #166534;--badge-red-bg: #fef2f2;--badge-red-fg: #991b1b;--badge-purple-bg: #faf5ff;--badge-purple-fg: #6b21a8;--badge-slate-bg: #f1f5f9;--badge-slate-fg: #64748b;--radius: 8px;--radius-sm: 4px;--shadow: 0 1px 3px rgba(0,0,0,.08);--color-rail-bg: #1B3A6B;--color-rail-icon: #ffffff;--color-rail-icon-muted: rgba(255,255,255,.55);--color-rail-active-bg: rgba(255,255,255,.16);--color-rail-hover-bg: rgba(255,255,255,.1);--color-chat-bg: #f0f2f5;--color-bubble-received-bg: #ffffff;--color-bubble-received-shadow: 0 1px 2px rgba(0,0,0,.08);--color-bubble-sent-bg: #2F80ED;--color-bubble-sent-hover: #2569c4;--color-bubble-sent-text: #ffffff;--color-list-item-selected-bg: #e8f1fd;--color-list-item-hover-bg: #f5f6f8;--color-date-divider-bg: #e2e5ea;--color-date-divider-text: #6b7280;--color-fab-bg: #2F80ED;--color-fab-hover: #2569c4;--color-fab-icon: #ffffff;--shadow-bubble: 0 1px 2px rgba(0,0,0,.08);--color-avatar-pastel-1: #FDE2E2;--color-avatar-pastel-1-text: #B23B3B;--color-avatar-pastel-2: #E2F0FD;--color-avatar-pastel-2-text: #2F6FAD;--color-avatar-pastel-3: #E5FBE5;--color-avatar-pastel-3-text: #2E7D32;--color-avatar-pastel-4: #FFF3D6;--color-avatar-pastel-4-text: #A66A00;--color-avatar-pastel-5: #F1E5FD;--color-avatar-pastel-5-text: #6B3FA0;--color-avatar-pastel-6: #E2FBF6;--color-avatar-pastel-6-text: #1D7A6B;--color-avatar-pastel-7: #FDE8F3;--color-avatar-pastel-7-text: #A63D77;--color-avatar-pastel-8: #EDEFF5;--color-avatar-pastel-8-text: #4A5568;color-scheme:light;font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--color-text)}[data-theme=dark]{--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-bg: #1a1a1a;--color-surface: #262626;--color-border: #3a3a3a;--color-text: #e8e8e8;--color-text-muted: #a3a3a3;--color-ai-bg: #1e3a5f;--color-ai-border: #3b5a7a;--color-ai-accent: #a78bfa;--color-ai-accent-bg: #3a2f5c;--color-ai-accent-border: #5b4b8a;--color-error: #f87171;--color-danger: #fca5a5;--color-error-bg: #3f1d1d;--color-error-border: #7f1d1d;--color-success: #4ade80;--color-success-bg: #14291d;--color-warning: #fbbf24;--color-bg-hover: #333333;--color-primary-light: rgba(59,130,246,.16);--color-focus-ring: rgba(59,130,246,.35);--color-scrollbar-thumb: #4d4d4d;--text-primary: #e8e8e8;--text-secondary: #a3a3a3;--border: #3a3a3a;--bg-hover: #333333;--bg-input: #262626;--badge-blue-bg: #1e3a5f;--badge-blue-fg: #93c5fd;--badge-amber-bg: #3f2d0f;--badge-amber-fg: #fbbf24;--badge-green-bg: #14291d;--badge-green-fg: #4ade80;--badge-red-bg: #3f1d1d;--badge-red-fg: #f87171;--badge-purple-bg: #2e1f3f;--badge-purple-fg: #c084fc;--badge-slate-bg: #333333;--badge-slate-fg: #a3a3a3;--shadow: 0 1px 3px rgba(0,0,0,.4);--color-chat-bg: #16181c;--color-bubble-received-bg: #2a2d31;--color-bubble-received-shadow: 0 1px 2px rgba(0,0,0,.3);--color-bubble-sent-bg: #3b82f6;--color-bubble-sent-hover: #2563eb;--color-bubble-sent-text: #ffffff;--color-list-item-selected-bg: #1e3350;--color-list-item-hover-bg: #232629;--color-date-divider-bg: #2a2d31;--color-date-divider-text: #9ca3af;--color-fab-bg: #3b82f6;--color-fab-hover: #2563eb;--color-fab-icon: #ffffff;--shadow-bubble: 0 1px 2px rgba(0,0,0,.35);color-scheme:dark}body{background:var(--color-bg);height:100dvh;overflow:hidden}#root{height:100dvh;display:flex;flex-direction:column}button{cursor:pointer;border:none;background:none;font:inherit}input,textarea{font:inherit;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 12px;outline:none;width:100%;background:var(--color-surface);color:var(--color-text)}input:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-focus-ring)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-scrollbar-thumb);border-radius:3px}