:root,[data-theme=dark]{--bg-body: #0f172a;--bg-card: #1e293b;--bg-card-alt: #0f172a;--bg-nav: #1e293b;--bg-input: #0f172a;--bg-hover: rgba(59,130,246,.08);--border-color: #334155;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--text-dim: #475569;--accent: #3b82f6;--accent-glow: rgba(59,130,246,.35);--success: #22c55e;--warning: #eab308;--danger: #ef4444;--report-bg: #fff}[data-theme=light]{--bg-body: #f1f5f9;--bg-card: #ffffff;--bg-card-alt: #f8fafc;--bg-nav: #ffffff;--bg-input: #ffffff;--bg-hover: rgba(59,130,246,.06);--border-color: #e2e8f0;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--text-dim: #94a3b8;--accent: #2563eb;--accent-glow: rgba(37,99,235,.3);--success: #16a34a;--warning: #ca8a04;--danger: #dc2626;--report-bg: #fff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;background-color:var(--bg-body);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background-color .3s,color .3s}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent);opacity:.85}.navbar{background:var(--bg-nav);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px #0000001a;transition:background-color .3s}.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-size:18px;font-weight:600;text-decoration:none;letter-spacing:.5px}.nav-logo:hover{color:var(--accent)}.logo-icon{font-size:24px}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;color:var(--text-muted);font-size:14px;transition:all .2s ease}.nav-link:hover{color:var(--text-primary);background:var(--bg-hover)}.nav-link-active{color:var(--accent)!important;background:var(--bg-hover)}.theme-btn{background:none;border:1px solid var(--border-color);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:16px;margin-left:8px;transition:all .2s;line-height:1}.theme-btn:hover{background:var(--bg-hover);border-color:var(--accent)}.main-content{max-width:1200px;margin:0 auto;padding:32px 24px;min-height:calc(100vh - 60px)}.app-footer{text-align:center;padding:16px 24px;background:var(--bg-nav);border-top:1px solid var(--border-color);font-size:13px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;transition:background-color .3s}.footer-divider{color:var(--text-dim)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:28px;margin-bottom:20px;transition:background-color .3s,border-color .3s}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:linear-gradient(135deg,#2563eb,var(--accent));color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover{background:linear-gradient(135deg,#1d4ed8,#2563eb);box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--border-color)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-body)}::-webkit-scrollbar-thumb{background:var(--text-dim);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.loading-text{display:flex;align-items:center;justify-content:center;gap:12px;padding:60px 20px;color:var(--text-muted);font-size:16px}.spinner{width:24px;height:24px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-box{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:16px 20px;color:var(--danger);display:flex;align-items:center;gap:10px}