*, *::before, *::after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0f1117;--surface:#1a1d27;--surface2:#22263a;--border:#2e3347;--accent:#4f8ef7;--accent-hover:#3a7ae8;--danger:#e05252;--danger-hover:#c94040;--success:#4caf7d;--text:#e8eaf0;--text-muted:#7a8099;--text-dim:#4a5068;--radius:8px;--radius-sm:5px}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100}.sidebar-brand{padding:20px 18px 16px;border-bottom:1px solid var(--border)}.sidebar-brand h1{font-size:16px;font-weight:700;color:var(--text)}.sidebar-brand span{font-size:11px;color:var(--text-muted);display:block;margin-top:2px}.sidebar-nav{flex:1;padding:12px 0}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 18px;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s;font-size:13.5px;text-decoration:none}.nav-item:hover{background:var(--surface2);color:var(--text)}.nav-item.active{background:var(--surface2);color:var(--accent);border-right:2px solid var(--accent)}.nav-item svg{width:16px;height:16px;flex-shrink:0}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--border)}.main{margin-left:220px;flex:1;display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between}.topbar h2{font-size:16px;font-weight:600}.content{padding:28px;flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.card-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-label{font-size:12px;color:var(--text-muted);margin-bottom:6px}.stat-value{font-size:26px;font-weight:700}.stat-value.green{color:var(--success)}.stat-value.red{color:var(--danger)}.stat-value.blue{color:var(--accent)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:13px;font-weight:500;transition:background .15s;line-height:1}.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);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--surface2);color:var(--text)}.btn-sm{padding:5px 10px;font-size:12px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px}.form-input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;color:var(--text);font-size:13.5px;outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-dim)}.form-row{display:flex;gap:10px;align-items:flex-end}.form-row .form-group{flex:1;margin-bottom:0}.toggle{position:relative;width:40px;height:22px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:var(--border);border-radius:22px;cursor:pointer;transition:background .2s}.toggle-slider::before{content:'';position:absolute;width:16px;height:16px;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(18px)}.toggle-wrap{display:flex;align-items:center;gap:12px}table{width:100%;border-collapse:collapse}thead th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}tbody tr{border-bottom:1px solid var(--border);transition:background .1s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--surface2)}tbody td{padding:11px 14px;font-size:13.5px}.td-muted{color:var(--text-muted);font-size:12px}.table-wrap{overflow-x:auto}.search-bar{position:relative;margin-bottom:16px}.search-bar input{padding-left:34px}.search-bar svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-dim);width:15px;height:15px}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;display:none}.alert.show{display:block}.alert-error{background:rgba(224,82,82,.12);border:1px solid rgba(224,82,82,.3);color:#f08080}.alert-success{background:rgba(76,175,125,.12);border:1px solid rgba(76,175,125,.3);color:#7dd4a8}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px 32px;box-shadow:0 2px 12px rgba(0,0,0,.4)}.login-title{font-size:20px;font-weight:700;margin-bottom:4px}.login-subtitle{font-size:13px;color:var(--text-muted);margin-bottom:28px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.divider{border:none;border-top:1px solid var(--border);margin:20px 0}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;align-items:center;justify-content:center}.modal-overlay.show{display:flex}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;max-width:340px;width:90%}.modal-title{font-size:15px;font-weight:600;margin-bottom:8px}.modal-body{font-size:13px;color:var(--text-muted);margin-bottom:20px}.modal-actions{display:flex;gap:10px;justify-content:flex-end}