:root{--primary:#1a365d;--accent:#2563eb;--green:#059669;--red:#dc2626;--orange:#d97706;--border:#e5e7eb;--bg:#f4f7fa;--text:#1e293b;--muted:#64748b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}.app-layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f1d32;color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;z-index:100}.logo-area{padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.logo-images{display:flex;gap:10px;align-items:center;justify-content:center;margin-bottom:12px}.brand-logo{height:40px;width:auto;object-fit:contain;display:block}.logo-text{font-size:18px;font-weight:800;color:#e2e8f0;text-align:center}.logo-text small{font-size:11px;font-weight:400;color:#94a3b8;display:block;margin-top:2px}nav{flex:1;padding:12px 10px}.nav-section{font-size:10px;font-weight:700;color:#475569;letter-spacing:1.2px;padding:16px 12px 6px;text-transform:uppercase}.nav-item{display:flex;align-items:center;gap:10px;color:#94a3b8;text-decoration:none;padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:2px;transition:.15s}.nav-item:hover{background:#ffffff0f;color:#e2e8f0}.nav-item.active{background:var(--primary);color:#fff;font-weight:600}.nav-icon{font-size:15px;width:20px;text-align:center}.user-info{display:flex;align-items:center;gap:10px;padding:16px 18px;border-top:1px solid rgba(255,255,255,.08)}.user-avatar{width:36px;height:36px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex-shrink:0}.user-name{font-size:13px;font-weight:600}.user-role{font-size:11px;color:#94a3b8}.main-content{margin-left:250px;width:calc(100% - 250px);min-height:100vh;padding:32px}.page-content{max-width:1200px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:22px;color:var(--primary);font-weight:800}.subtitle{font-size:13px;color:var(--muted);margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 3px #00000014;border-top:4px solid var(--border)}.stat-card.green{border-top-color:var(--green)}.stat-card.blue{border-top-color:var(--accent)}.stat-card.orange{border-top-color:var(--orange)}.stat-card.red{border-top-color:var(--red)}.stat-label{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:28px;font-weight:800;margin:6px 0}.stat-sub{font-size:12px;color:var(--muted)}.stat-card.green .stat-value{color:var(--green)}.stat-card.blue .stat-value{color:var(--accent)}.stat-card.orange .stat-value{color:var(--orange)}.stat-card.red .stat-value{color:var(--red)}.section{background:#fff;border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 1px 3px #00000014}.section h3{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.three-col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.table{width:100%;border-collapse:collapse;font-size:13px}.table th{background:#f8fafc;padding:10px 12px;text-align:left;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;border-bottom:2px solid var(--border)}.table td{padding:10px 12px;border-bottom:1px solid #f1f5f9}.table tr:hover td{background:#f8fafc}.badge{padding:3px 8px;border-radius:4px;font-size:10px;font-weight:700;display:inline-block}.badge.green{background:#d1fae5;color:#065f46}.badge.orange{background:#fef3c7;color:#92400e}.badge.red{background:#fee2e2;color:#991b1b}.badge.blue{background:#dbeafe;color:#1e40af}.badge.gray{background:#f1f5f9;color:#475569}.btn{padding:10px 18px;border-radius:8px;font-weight:600;font-size:13px;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);transition:.15s}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn.primary{background:var(--primary);color:#fff;border:none}.btn.primary:hover{background:#2b6cb0}.btn.success{background:var(--green);color:#fff;border:none}.btn.danger{background:var(--red);color:#fff;border:none}.btn.small{padding:5px 10px;font-size:11px}.btn-group{display:flex;gap:10px;margin-top:16px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:10px;font-weight:700;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb14}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.search-bar{display:flex;gap:10px;margin-bottom:20px}.search-bar input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:13px}.search-bar select{padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:13px}.equipment-card{background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000014;border-left:4px solid var(--accent)}.equipment-card.down{border-left-color:var(--red)}.equipment-card.maintenance{border-left-color:var(--orange)}.equipment-card h4{font-size:14px;color:var(--primary);margin-bottom:4px}.equipment-card .meta{font-size:12px;color:var(--muted)}.equipment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.cost-highlight{font-size:20px;font-weight:800;color:var(--primary)}@media (max-width:768px){.sidebar{display:none}.main-content{margin-left:0;width:100%}.two-col,.three-col{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}