:root{--bg:#f4f7f9;--panel:#ffffff;--text:#111827;--muted:#6b7280;--accent:#0f766e;--accent-light:#e6f2f1;--danger:#b91c1c;--danger-light:#fef2f2;--warning:#b45309;--warning-light:#fffbeb;--success:#15803d;--success-light:#f0fdf4;--info:#1d4ed8;--info-light:#eff6ff;--line:#d1d5db;--sidebar-w:240px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.sidebar{background:#0f1b2d;border-right:1px solid rgba(255,255,255,.06);padding:0;display:flex;flex-direction:column;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-brand{padding:20px 18px 14px;border-bottom:1px solid rgba(255,255,255,.08);color:#fff}.sidebar-brand h2{margin:0;font-size:16px;font-weight:700;color:#4ade80}.sidebar-brand span{font-size:11px;color:rgba(255,255,255,.4)}.sidebar nav{display:flex;flex-direction:column;padding:10px 0;flex:1 1;gap:1px}.sidebar nav a{display:flex;align-items:center;gap:9px;padding:9px 18px;color:rgba(255,255,255,.65);font-size:13px;font-weight:500;border-left:3px solid transparent;transition:all .15s}.sidebar nav a:hover{background:rgba(255,255,255,.05);color:#fff}.sidebar nav a.active{background:rgba(74,222,128,.1);color:#4ade80;border-left-color:#4ade80}.sidebar-section{padding:12px 18px 4px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.3);font-weight:600}.sidebar-footer{padding:12px 18px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-footer button{width:100%;background:none;border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.5);padding:8px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .15s}.sidebar-footer button:hover{background:rgba(255,255,255,.05);color:#fff}.content{padding:24px;overflow:auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{margin:0;font-size:20px;font-weight:700}.subtle{font-size:13px;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.card-title{font-size:13px;font-weight:600;color:var(--muted);margin:0 0 12px;text-transform:uppercase;letter-spacing:.5px}.grid{display:grid;grid-gap:14px;gap:14px}.grid.kpis{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.kpi{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}.kpi-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.kpi-value{font-size:26px;font-weight:700;color:var(--text)}.kpi-sub{font-size:11px;color:var(--muted);margin-top:4px}.table-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--line);background:var(--panel)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600;background:#f9fafb}.table td,.table th{border-bottom:1px solid var(--line);padding:10px 14px}.table td{font-size:13px}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#f9fafb}.table .mono{font-family:monospace;font-size:11px;color:var(--muted)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:7px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;line-height:1}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:#0d6460}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#991b1b}.btn-warning{background:#d97706;color:#fff}.btn-warning:hover:not(:disabled){background:#b45309}.btn-secondary{background:#e5e7eb;color:var(--text)}.btn-secondary:hover:not(:disabled){background:#d1d5db}.btn-ghost{background:none;border:1px solid var(--line);color:var(--text)}.btn-ghost:hover:not(:disabled){background:#f3f4f6}.btn-sm{padding:5px 10px;font-size:12px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;line-height:1.5}.badge-green{background:var(--success-light);color:var(--success)}.badge-red{background:var(--danger-light);color:var(--danger)}.badge-yellow{background:var(--warning-light);color:var(--warning)}.badge-blue{background:var(--info-light);color:var(--info)}.badge-gray{background:#f3f4f6;color:var(--muted)}.badge-purple{background:#f5f3ff;color:#7c3aed}.form-group{display:grid;grid-gap:6px;gap:6px}.form-label{font-size:13px;font-weight:500;color:var(--text)}.form-input,.form-select,.form-textarea{padding:9px 12px;border:1px solid var(--line);border-radius:7px;font-size:13px;color:var(--text);background:#fff;width:100%;transition:border-color .15s;font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.1)}.form-textarea{resize:vertical;min-height:80px}.form-select{cursor:pointer}.search-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.search-input{flex:1 1;min-width:200px;padding:8px 12px;border:1px solid var(--line);border-radius:7px;font-size:13px;background:#fff;color:var(--text)}.search-input:focus{outline:none;border-color:var(--accent)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:12px;padding:24px;width:420px;max-width:95vw;box-shadow:0 20px 60px rgba(0,0,0,.15)}.modal h3{margin:0 0 16px;font-size:16px;font-weight:700}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.detail-field{display:grid;grid-gap:3px;gap:3px}.detail-label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.detail-value{font-size:14px;font-weight:500}.alert{padding:10px 14px;border-radius:7px;font-size:13px;margin-bottom:14px}.alert-danger{background:var(--danger-light);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #bbf7d0}.alert-info{background:var(--info-light);color:var(--info);border:1px solid #bfdbfe}.loading{font-size:14px}.empty,.loading{text-align:center;padding:40px;color:var(--muted)}.empty{font-size:13px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1b2d,#1a2e45)}.login-card{background:#fff;border-radius:14px;padding:36px 32px;width:400px;box-shadow:0 20px 60px rgba(0,0,0,.3)}.login-card h1{margin:0 0 6px;font-size:22px;font-weight:700}.login-card p{margin:0 0 24px;color:var(--muted);font-size:13px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:52px;background:var(--panel);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar-title{font-size:15px;font-weight:600}.topbar-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.messages-list{display:flex;flex-direction:column;gap:8px;padding:16px}.msg{max-width:65%;padding:8px 12px;border-radius:12px;font-size:13px}.msg.sent{background:#e6f2f1;margin-left:auto;border-bottom-right-radius:4px}.msg.recv{background:#f3f4f6;margin-right:auto;border-bottom-left-radius:4px}.msg-meta{font-size:10px;color:var(--muted);margin-top:2px}.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:16px}.tab{padding:8px 16px;font-size:13px;cursor:pointer;background:none;color:var(--muted);border:none;border-bottom:2px solid transparent;font-weight:500;margin-bottom:-1px;transition:all .15s}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab:hover{color:var(--text)}.pagination{display:flex;justify-content:center;gap:8px;padding:16px 0}.pagination button{padding:5px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:12px;cursor:pointer}.pagination button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.pagination button:hover:not(.active){background:#f3f4f6}@media (max-width:980px){.shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.detail-grid{grid-template-columns:1fr}}