:root{--color-primary:#f59e0b;--color-primary-light:#fbbf24;--color-bg:#fffdf5;--color-bg-card:#fff;--color-text:#1f2937;--color-text-secondary:#6b7280;--color-border:#f3f4f6;--color-accent:#f97316;--color-sidebar:#1e293b;--color-sidebar-hover:#334155;--color-sidebar-text:#cbd5e1;--color-sidebar-active:#f59e0b;--radius:12px;--shadow:0 1px 4px #0000000f, 0 1px 2px #0000000a;--shadow-lg:0 4px 16px #00000014;--banner-bg:linear-gradient(135deg, #f59e0b, #f97316);--banner-text:white;--sidebar-width:220px}[data-theme=spring]{--color-primary:#dc2626;--color-primary-light:#fca5a5;--color-accent:#f59e0b;--color-sidebar-active:#dc2626;--banner-bg:linear-gradient(135deg, #dc2626, #f59e0b)}[data-theme=midautumn]{--color-primary:#0ea5e9;--color-primary-light:#7dd3fc;--color-accent:#8b5cf6;--color-sidebar-active:#0ea5e9;--banner-bg:linear-gradient(135deg, #0ea5e9, #8b5cf6)}[data-theme=christmas]{--color-primary:#22c55e;--color-primary-light:#86efac;--color-accent:#ef4444;--color-sidebar-active:#22c55e;--banner-bg:linear-gradient(135deg, #22c55e, #ef4444)}[data-theme=valentine]{--color-primary:#ec4899;--color-primary-light:#f9a8d4;--color-accent:#ef4444;--color-sidebar-active:#ec4899;--banner-bg:linear-gradient(135deg, #ec4899, #ef4444)}[data-theme=newyear]{--color-primary:#f59e0b;--color-primary-light:#fde68a;--color-accent:#ef4444;--color-sidebar-active:#f59e0b;--banner-bg:linear-gradient(135deg, #f59e0b, #ef4444)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Noto Sans,sans-serif;font-size:14px;line-height:1.5}.page{max-width:1200px;min-height:calc(100vh - 64px);margin:0 auto;padding:24px 32px}.card{background:var(--color-bg-card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--color-border);margin-bottom:16px;padding:20px}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 20px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-accent));color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-block{width:100%}.input{border:1.5px solid var(--color-border);background:var(--color-bg);border-radius:8px;outline:none;width:100%;padding:10px 14px;font-size:14px;transition:border-color .2s}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #f59e0b1a}.avatar{background:var(--color-primary-light);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;font-weight:600;display:flex}.avatar-sm{width:32px;height:32px;font-size:14px}.avatar-lg{width:56px;height:56px;font-size:24px}.avatar-xl{width:72px;height:72px;font-size:30px}.badge{border-radius:20px;padding:2px 10px;font-size:12px;font-weight:500;display:inline-block}.badge-green{color:#166534;background:#dcfce7}.badge-blue{color:#1e40af;background:#dbeafe}.badge-orange{color:#92400e;background:#fef3c7}.fade-in{animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.greeting{color:var(--color-text-secondary);margin-top:4px;font-size:14px}.layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--color-sidebar);color:var(--color-sidebar-text);z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-header{border-bottom:1px solid #ffffff14;padding:20px 16px}.sidebar-logo{color:#fff;align-items:center;gap:10px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.sidebar-nav{flex:1;padding:12px 8px}.sidebar-section{text-transform:uppercase;letter-spacing:1px;color:#ffffff4d;padding:16px 12px 6px;font-size:11px;font-weight:600}.sidebar-item{color:var(--color-sidebar-text);cursor:pointer;border-radius:8px;align-items:center;gap:10px;margin-bottom:2px;padding:10px 12px;font-size:14px;text-decoration:none;transition:all .15s;display:flex}.sidebar-item:hover{background:var(--color-sidebar-hover);color:#fff}.sidebar-item.active{color:var(--color-sidebar-active);background:#f59e0b26;font-weight:600}.sidebar-item .icon{text-align:center;width:24px;font-size:18px}.sidebar-footer{border-top:1px solid #ffffff14;padding:16px}.sidebar-user{cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:8px;transition:background .15s;display:flex}.sidebar-user:hover{background:var(--color-sidebar-hover)}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.topbar{background:var(--color-bg-card);border-bottom:1px solid var(--color-border);z-index:50;justify-content:space-between;align-items:center;height:56px;padding:0 32px;display:flex;position:sticky;top:0}.topbar-title{color:var(--color-text);font-size:16px;font-weight:600}.topbar-actions{align-items:center;gap:12px;display:flex}.pc-grid{gap:16px;display:grid}.pc-grid-2{grid-template-columns:1fr 1fr}.pc-grid-3{grid-template-columns:1fr 1fr 1fr}.pc-grid-4{grid-template-columns:repeat(4,1fr)}.pc-grid-main{grid-template-columns:1fr 340px}.pc-grid-main-wide{grid-template-columns:1fr 280px}@media (width<=1024px){.pc-grid-2,.pc-grid-3,.pc-grid-4,.pc-grid-main,.pc-grid-main-wide{grid-template-columns:1fr}}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--color-border);padding:10px 14px;font-size:14px}.table th{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600}.table tr:hover{background:var(--color-bg)}.tabs{border-bottom:1px solid var(--color-border);gap:4px;margin-bottom:16px;display:flex}.tab{cursor:pointer;color:var(--color-text-secondary);border-bottom:2px solid #0000;padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.empty-state{text-align:center;color:var(--color-text-secondary);padding:48px 24px}.empty-state .icon{margin-bottom:12px;font-size:48px}.empty-state h3{color:var(--color-text);margin-bottom:4px;font-size:16px}.empty-state p{font-size:14px}