:root,[data-theme=light]{--bg-base: #f0f2f5;--bg-card: #ffffff;--bg-input: #f5f7fa;--bg-input-alt: #edf0f5;--bg-deep: #e8eaf0;--border: #e2e8f0;--border-input: #d1d5db;--text-primary: #1a202c;--text-secondary: #4a5568;--text-muted: #718096;--text-dim: #a0aec0;--accent: #7c6af7;--accent-hover: #6d5ce6;--navbar-bg: #ffffff;--navbar-border: #e2e8f0;--msg-ai-bg: #f0f2f5;--msg-ai-text: #1a202c;--msg-user-bg: #7c6af7;--msg-user-text: #ffffff;--code-bg: #eef0f5;--code-text: #1a202c;--status-bg: #f5f7fa;--page-gradient: radial-gradient(ellipse at top, #ede9fe 0%, #f0f2f5 60%);--shadow: 0 1px 4px rgba(0,0,0,.08);--badge-green-bg: #dcfce7;--badge-green-text: #166534;--badge-yellow-bg:#fef9c3;--badge-yellow-text:#854d0e;--badge-red-bg: #fee2e2;--badge-red-text: #991b1b;--badge-gray-bg: #f1f5f9;--badge-gray-text: #475569;--badge-purple-bg:#ede9fe;--badge-purple-text:#5b21b6;--badge-blue-bg: #dbeafe;--badge-blue-text: #1e40af;--danger-bg: #ef4444}[data-theme=dark]{--bg-base: #0f1117;--bg-card: #1a1d27;--bg-input: #252836;--bg-input-alt: #1e2233;--bg-deep: #13151f;--border: #2d3148;--border-input: #374151;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--text-dim: #4b5563;--accent: #7c6af7;--accent-hover: #6d5ce6;--navbar-bg: #1a1d27;--navbar-border: #2d3148;--msg-ai-bg: #1e2233;--msg-ai-text: #cbd5e1;--msg-user-bg: #312e81;--msg-user-text: #e0e7ff;--code-bg: #0d1117;--code-text: #a3e635;--status-bg: #0f1117;--page-gradient: radial-gradient(ellipse at top, #1a1040 0%, #0f1117 60%);--shadow: none;--badge-green-bg: #14532d;--badge-green-text: #4ade80;--badge-yellow-bg:#422006;--badge-yellow-text:#fb923c;--badge-red-bg: #450a0a;--badge-red-text: #f87171;--badge-gray-bg: #1f2937;--badge-gray-text: #6b7280;--badge-purple-bg:#2e1065;--badge-purple-text:#a78bfa;--badge-blue-bg: #1e3a5f;--badge-blue-text: #60a5fa;--danger-bg: #ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;transition:background .2s,color .2s}#app{min-height:100vh;display:flex;flex-direction:column}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--navbar-bg);border-bottom:1px solid var(--navbar-border);position:fixed;top:0;left:0;right:0;z-index:100;box-shadow:var(--shadow)}.nav-brand{font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.3px}.nav-links{display:flex;align-items:center;gap:16px}.nav-links a{color:var(--text-muted);text-decoration:none;font-size:14px;transition:color .2s}.nav-links a:hover,.nav-links a.router-link-active{color:var(--accent)}.nav-user{color:var(--text-muted);font-size:13px;padding:4px 10px;background:var(--bg-input);border-radius:20px}.nav-icon-btn{background:var(--bg-input);border:1px solid var(--border-input);color:var(--text-secondary);width:32px;height:32px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.nav-icon-btn:hover{border-color:var(--accent);color:var(--accent)}.btn-logout{background:none;border:1px solid var(--border-input);color:var(--text-secondary);padding:5px 12px;border-radius:6px;font-size:13px;cursor:pointer;transition:all .2s}.btn-logout:hover{border-color:var(--accent);color:var(--accent)}main{flex:1}main.with-nav{padding-top:56px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:var(--shadow)}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-green{background:var(--badge-green-bg);color:var(--badge-green-text)}.badge-yellow{background:var(--badge-yellow-bg);color:var(--badge-yellow-text)}.badge-blue{background:var(--badge-blue-bg);color:var(--badge-blue-text)}.badge-gray{background:var(--badge-gray-bg);color:var(--badge-gray-text)}.badge-red{background:var(--badge-red-bg);color:var(--badge-red-text)}.badge-purple{background:var(--badge-purple-bg);color:var(--badge-purple-text)}.btn{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-danger{background:var(--danger-bg);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-input)}.btn-ghost:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}