:root{--color-bg:#f4f6f8;--color-surface:#fff;--color-surface-light:#f0f2f5;--color-surface-hover:#e8eaed;--color-accent:#00a3e0;--color-accent-hover:#0090c7;--color-accent-dim:#0082b4;--color-text:#1a1a2e;--color-text-secondary:#5f6368;--color-text-muted:#9aa0a6;--color-border:#e0e0e0;--color-success:#0f9d58;--color-warning:#f59e0b;--color-danger:#d93025;--color-info:#00a3e0;--sidebar-bg:#3b3b3b;--sidebar-text:#e0e0e0;--sidebar-text-muted:#9e9e9e;--sidebar-hover:#4a4a4a;--sidebar-active:#00a3e0;--sidebar-border:#4a4a4a;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 10px 25px #0000001a, 0 4px 10px #0000000f;--transition:.15s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);z-index:100;border-right:none;flex-direction:column;width:260px;height:100vh;display:flex;position:fixed}.sidebar-logo{border-bottom:1px solid var(--sidebar-border);align-items:center;gap:12px;padding:20px;display:flex}.sidebar-logo img{width:auto;height:36px}.sidebar-logo h1{color:#fff;font-size:16px;font-weight:700}.sidebar-logo h1 span{color:var(--color-accent)}.sidebar-logo small{color:var(--sidebar-text-muted);margin-top:2px;font-size:11px;font-weight:400;display:block}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.nav-link{border-radius:var(--radius);color:var(--sidebar-text);transition:all var(--transition);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:14px;font-weight:500;display:flex}.nav-link:hover{background:var(--sidebar-hover);color:#fff}.nav-link.active{background:var(--sidebar-active);color:#fff}.nav-link svg{flex-shrink:0;width:20px;height:20px}.main-content{flex:1;min-height:100vh;margin-left:260px;padding:32px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;display:flex}.page-header h2{font-size:24px;font-weight:700}.page-header p{color:var(--color-text-secondary);margin-top:4px;font-size:14px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);align-items:flex-start;gap:16px;padding:20px;display:flex}.stat-icon{border-radius:var(--radius);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.stat-icon.blue-primary{color:#00a3e0;background:#00a3e026}.stat-icon.green{color:#10b981;background:#10b98126}.stat-icon.yellow{color:#f59e0b;background:#f59e0b26}.stat-icon.red{color:#ef4444;background:#ef444426}.stat-icon.blue{color:#00a3e0;background:#00a3e026}.stat-info h3{font-size:28px;font-weight:700;line-height:1.2}.stat-info p{color:var(--color-text-secondary);margin-top:2px;font-size:13px}.btn{border-radius:var(--radius);cursor:pointer;transition:all var(--transition);border:1px solid #0000;align-items:center;gap:8px;padding:8px 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10px;font-size:12px;font-weight:600;display:inline-flex}.badge-available{color:#10b981;background:#10b98126}.badge-rented{color:#f59e0b;background:#f59e0b26}.badge-loaned{color:#00a3e0;background:#00a3e026}.badge-maintenance{color:#ef4444;background:#ef444426}.badge-returned{color:#10b981;background:#10b98126}.badge-active{color:#f59e0b;background:#f59e0b26}.badge-overdue{color:#ef4444;background:#ef444426}.form-group{margin-bottom:16px}.form-group label{color:var(--color-text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.form-control{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;color:var(--color-text);transition:border-color var(--transition);background:#fff;padding:9px 12px;font-family:inherit;font-size:14px}.form-control:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 3px 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32px;display:grid}.doc-field{margin-bottom:6px}.doc-field-label{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-size:11px;font-weight:600}.doc-field-value{color:var(--color-text);font-size:14px;font-weight:500}.doc-table{border-collapse:collapse;width:100%;margin-bottom:8px}.doc-table th{background:var(--color-bg);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);text-align:left;border-bottom:2px solid var(--color-border);padding:8px 12px;font-size:11px;font-weight:700}.doc-table td{border-bottom:1px solid var(--color-border);color:var(--color-text);padding:10px 12px;font-size:14px}.doc-notes{background:var(--color-bg);border:1px solid var(--color-border);min-height:50px;color:var(--color-text);border-radius:6px;padding:14px 16px;font-size:13px;line-height:1.6}.doc-signatures{grid-template-columns:1fr 1fr;gap:48px;margin-top:40px;padding-top:16px;display:grid}.doc-signature-block{text-align:center}.doc-signature-line{color:var(--color-text-secondary);border-top:1px solid #999;margin-top:50px;padding-top:6px;font-size:12px}.doc-signature-line span{color:var(--color-text-muted);margin-top:2px;font-size:11px;display:block}.doc-footer{border-top:1px solid var(--color-border);color:var(--color-text-muted);text-align:center;margin-top:32px;padding-top:12px;font-size:11px}@media print{body *{visibility:hidden}.rental-document,.rental-document *{visibility:visible!important}.rental-document{z-index:9999;color:#000;background:#fff;width:100%;margin:0;padding:0;font-size:12pt;line-height:1.5;position:fixed;top:0;left:0;display:block!important}@page{margin:15mm 20mm;size:A4}.no-print{display:none!important}.doc-header{border-bottom-color:#00a3e0}.doc-header-logo h1{color:#2d2d2d}.doc-header-logo h1 span{color:#00a3e0}.doc-header-meta{color:#555}.doc-header-meta strong{color:#1a1a2e}.doc-section-title{color:#00a3e0;border-bottom-color:#e0e0e0}.doc-field-label{color:#888}.doc-field-value{color:#1a1a2e}.doc-table th{color:#555;background:#f5f7fa;border-bottom-color:#e0e0e0}.doc-table td{color:#1a1a2e;border-bottom-color:#eee}.doc-notes{color:#333;background:#f5f7fa;border-color:#e0e0e0}.doc-signature-line{color:#555}.doc-signature-line span{color:#999}.doc-footer{color:#999;border-top-color:#e0e0e0}}