:root{--navy: #0f1e35;--navy-mid: #1a2f4a;--navy-light: #243d5e;--teal: #00b8a0;--teal-dark: #008f7d;--teal-light: #e0f7f4;--amber: #f5a623;--red: #e5484d;--green: #30a46c;--surface: #f8f9fb;--white: #ffffff;--border: #e2e6ec;--text: #1a2332;--text-mid: #4a5568;--text-muted: #8a95a3;--radius: 10px;--shadow: 0 2px 12px rgba(15,30,53,.08);--shadow-lg: 0 8px 32px rgba(15,30,53,.14)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--surface);color:var(--text);line-height:1.6;font-size:15px}h1{font-size:28px;font-weight:700;letter-spacing:-.5px}h2{font-size:22px;font-weight:600}h3{font-size:17px;font-weight:600}p{color:var(--text-mid)}.page-wrap{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--navy);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.navbar-brand{color:var(--white);font-weight:700;font-size:20px;text-decoration:none;display:flex;align-items:center;gap:8px}.navbar-brand .dot{width:8px;height:8px;background:var(--teal);border-radius:50%;display:inline-block}.navbar-user{color:#ffffffb3;font-size:14px;display:flex;align-items:center;gap:16px}.navbar-user strong{color:var(--white)}.btn-logout{background:#ffffff1a;color:var(--white);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;transition:background .15s}.btn-logout:hover{background:#ffffff2e}.app-layout{display:flex;flex:1}.sidebar{width:220px;background:var(--white);border-right:1px solid var(--border);padding:24px 0;flex-shrink:0}.sidebar-section{padding:0 16px;margin-bottom:24px}.sidebar-label{font-size:11px;font-weight:600;color:var(--text-muted);letter-spacing:.8px;text-transform:uppercase;padding:0 8px;margin-bottom:8px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-mid);text-decoration:none;font-size:14px;font-weight:500;cursor:pointer;transition:all .12s;margin-bottom:2px}.sidebar-link:hover{background:var(--surface);color:var(--text)}.sidebar-link.active{background:var(--teal-light);color:var(--teal-dark)}.sidebar-link .icon{font-size:16px;width:20px;text-align:center}.main-content{flex:1;padding:32px;overflow-y:auto}.page-header{margin-bottom:28px}.page-header p{margin-top:4px;font-size:14px}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.card-title{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--navy);margin:4px 0 0;line-height:1}.stat-card.accent{border-top:3px solid var(--teal)}.stat-card.warning{border-top:3px solid var(--amber)}.stat-card.danger{border-top:3px solid var(--red)}.stat-card.success{border-top:3px solid var(--green)}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s;text-decoration:none;white-space:nowrap}.btn-primary{background:var(--teal);color:var(--white)}.btn-primary:hover{background:var(--teal-dark)}.btn-secondary{background:var(--white);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface)}.btn-danger{background:#fff0f0;color:var(--red);border:1px solid #fcd0d0}.btn-danger:hover{background:#ffe0e0}.btn-success{background:#edfbf4;color:var(--green);border:1px solid #c3edd8}.btn-success:hover{background:#d8f5e8}.btn-sm{padding:5px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:18px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.form-label .req{color:var(--red);margin-left:2px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;color:var(--text);background:var(--white);transition:border-color .15s;outline:none;font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #00b8a01f}.form-input.error{border-color:var(--red)}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}thead th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:var(--surface)}tbody td{padding:14px;border-bottom:1px solid var(--border);vertical-align:middle}tbody tr:hover{background:var(--surface)}tbody tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600}.badge-pending{background:#fff8e6;color:#9a6700}.badge-active{background:#edfbf4;color:#1a7a4a}.badge-disabled{background:#f5f5f5;color:#666}.badge-rejected{background:#fff0f0;color:#9b1c1c}.badge-connected{background:#edfbf4;color:#1a7a4a}.badge-disconnected{background:#f5f5f5;color:#666}.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;display:flex;align-items:flex-start;gap:10px}.alert-error{background:#fff0f0;color:#9b1c1c;border:1px solid #fcd0d0}.alert-success{background:#edfbf4;color:#1a7a4a;border:1px solid #c3edd8}.alert-info{background:#eff8ff;color:#1a4a7a;border:1px solid #bde0fc}.alert-warning{background:#fff8e6;color:#7a4a00;border:1px solid #f5d88a}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state .icon{font-size:40px;margin-bottom:12px}.empty-state h3{color:var(--text-mid);margin-bottom:6px}.modal-overlay{position:fixed;inset:0;background:#0a142880;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.modal{background:var(--white);border-radius:14px;width:100%;max-width:480px;box-shadow:var(--shadow-lg);overflow:hidden}.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}.btn-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);padding:4px}.spinner{width:20px;height:20px;border:2px solid rgba(0,184,160,.2);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:24px;right:24px;z-index:500;display:flex;flex-direction:column;gap:10px}.toast{background:var(--navy);color:var(--white);padding:12px 18px;border-radius:8px;font-size:14px;box-shadow:var(--shadow-lg);animation:slideIn .2s ease;max-width:320px;display:flex;gap:10px;align-items:flex-start}.toast.success{background:var(--green)}.toast.error{background:var(--red)}.toast.warning{background:var(--amber);color:var(--navy)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.form-row{grid-template-columns:1fr}.sidebar{display:none}.main-content{padding:20px}.navbar{padding:0 16px}}