:root{--bg:#0f1117;--surface:#161b27;--panel:#1c2130;--border:#2a3045;--text:#e8ecf0;--muted:#8a93a0;--accent:#6366f1;--accent-hover:#4f52d6;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--surface-hover:#212840;--sidebar-w:230px;--header-h:56px;--radius:10px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font)}.admin-shell{display:flex;min-height:100vh}.admin-sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:10}.admin-main{margin-left:var(--sidebar-w);flex:1 1;display:flex;flex-direction:column;min-height:100vh}.admin-header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:5}.admin-content{padding:24px;flex:1 1}.sidebar-logo{padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.sidebar-logo-icon{width:32px;height:32px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}.sidebar-logo-text{font-weight:700;font-size:15px}.sidebar-logo-version{font-size:11px;color:var(--muted)}.sidebar-nav{padding:8px 0;flex:1 1}.sidebar-section{padding:16px 12px 4px}.sidebar-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.sidebar-item{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:6px;margin:1px 8px;color:var(--muted);font-size:13.5px;transition:background .15s,color .15s;position:relative}.sidebar-item:hover{background:var(--panel);color:var(--text)}.sidebar-item.active{background:var(--accent);color:#fff}.sidebar-item .icon{font-size:15px;width:18px;text-align:center}.sidebar-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:20px;min-width:18px;text-align:center}.header-title{font-weight:600;font-size:15px}.header-right{display:flex;align-items:center;gap:12px}.header-version{font-size:12px;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-card-label{font-size:12px;color:var(--muted);margin-bottom:6px}.stat-card-value{font-size:26px;font-weight:700;line-height:1}.stat-card-sub{font-size:12px;color:var(--muted);margin-top:4px}.stat-card-icon{font-size:20px;margin-bottom:8px}.data-table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-table-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.data-table-title{font-weight:600;font-size:15px}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 16px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}td,th{border-bottom:1px solid var(--border)}td{padding:12px 16px;font-size:13.5px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--panel)}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;font-size:13px;font-weight:500;border:none;transition:opacity .15s,background .15s}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-secondary{background:var(--panel);color:var(--text);border:1px solid var(--border)}.btn-sm{padding:4px 10px;font-size:12px}.btn-warning{background:var(--warning);color:#fff}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:500}input[type=date],input[type=datetime-local],input[type=email],input[type=number],input[type=password],input[type=text],select,textarea{width:100%;background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:8px 12px;font-size:13.5px;font-family:var(--font);outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:80px}select option{background:var(--panel)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-success{background:rgba(34,197,94,.15);color:var(--success)}.badge-danger{background:rgba(239,68,68,.15);color:var(--danger)}.badge-warning{background:rgba(245,158,11,.15);color:var(--warning)}.badge-accent{background:rgba(99,102,241,.15);color:var(--accent)}.badge-muted{background:var(--panel);color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.panel-title{font-weight:600;font-size:15px;margin-bottom:16px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.dot-green{background:var(--success)}.dot-red{background:var(--danger)}.dot-yellow{background:var(--warning)}.search-input{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:7px 12px;font-size:13px;font-family:var(--font);outline:none;width:240px}.search-input:focus{border-color:var(--accent)}.filter-tabs{display:flex;gap:4px;flex-wrap:wrap}.filter-tab{padding:5px 12px;border-radius:6px;font-size:12px;font-weight:500;color:var(--muted);background:var(--panel);border:1px solid var(--border);transition:all .15s;text-decoration:none}.filter-tab:hover{color:var(--text)}.filter-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.toggle{position:relative;display:inline-block;width:36px;height:20px}.toggle input{display:none}.toggle-slider{position:absolute;inset:0;background:var(--border);border-radius:20px;cursor:pointer;transition:background .2s}.toggle-slider:before{content:"";position:absolute;width:14px;height:14px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translateX(16px)}.pagination{display:flex;gap:4px;align-items:center;justify-content:flex-end;padding:12px 16px}.page-btn{padding:5px 10px;border-radius:5px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:13px;cursor:pointer}.page-btn.active{background:var(--accent);border-color:var(--accent)}.page-btn:disabled{opacity:.4;cursor:not-allowed}.pagination-btn{padding:5px 12px;border-radius:5px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:13px;text-decoration:none;display:inline-block;transition:border-color .15s}.pagination-btn:hover{border-color:var(--accent)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:360px}.login-logo{text-align:center;margin-bottom:28px}.login-logo-icon{width:52px;height:52px;background:var(--accent);border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px}.login-title{font-size:20px;font-weight:700}.login-sub{font-size:13px;color:var(--muted);margin-top:4px}.alert{padding:12px 16px;border-radius:6px;font-size:13px;margin-bottom:16px}.alert-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}.text-muted{color:var(--muted)}.text-sm{font-size:12px}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.ml-auto{margin-left:auto}.w-full{width:100%}.grid-2{grid-template-columns:1fr 1fr;grid-gap:16px}.grid-2,.grid-3{display:grid;gap:16px}.grid-3{grid-template-columns:1fr 1fr 1fr;grid-gap:16px}