:root{--color-primary: #0b5394;--color-primary-dark: #073d6e;--color-accent: #e08e0b;--color-bg: #f4f6f8;--color-surface: #ffffff;--color-border: #d9dfe4;--color-text: #1f2933;--color-text-muted: #5a6b78;--color-danger: #c0392b;--color-success: #1e8449;--radius: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:20px 24px 60px}.app-header{background:var(--color-primary-dark);color:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}.app-header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:24px;padding:10px 24px}.brand{color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:.3px}.brand:hover{text-decoration:none;opacity:.9}.main-nav{display:flex;align-items:center;gap:6px;flex:1}.nav-link{color:#ffffffd9;padding:8px 12px;border-radius:var(--radius);font-size:.92rem}.nav-link:hover{background:#ffffff1a;text-decoration:none}.nav-link.active{background:#ffffff2e;color:#fff;font-weight:600}.nav-dropdown{position:relative}.nav-dropdown-trigger{background:none;border:none;color:#ffffffd9;padding:8px 12px;border-radius:var(--radius);font-size:.92rem;cursor:pointer;font-family:inherit}.nav-dropdown-trigger:hover{background:#ffffff1a}.caret{font-size:.7em}.nav-dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 4px 12px #00000026;min-width:220px;overflow:hidden;z-index:60}.nav-dropdown-item{display:block;width:100%;text-align:left;padding:10px 14px;color:var(--color-text);border:none;background:none;font-size:.9rem;cursor:pointer;font-family:inherit}.nav-dropdown-item:hover{background:var(--color-bg);text-decoration:none}.nav-dropdown-item.as-button{border-top:1px solid var(--color-border);color:var(--color-danger)}.header-right{display:flex;align-items:center}.user-menu{position:relative}.user-menu-trigger{background:#ffffff1f;border:none;color:#fff;padding:6px 12px;border-radius:20px;cursor:pointer;display:flex;align-items:center;gap:6px;font-family:inherit;font-size:.9rem}.user-menu-trigger:hover{background:#fff3}.user-menu .nav-dropdown-menu{right:0;left:auto}.btn{display:inline-block;padding:8px 16px;border-radius:var(--radius);border:1px solid transparent;font-size:.9rem;cursor:pointer;font-family:inherit;font-weight:500}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark);text-decoration:none}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg);text-decoration:none}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){opacity:.9}.btn-sm{padding:5px 10px;font-size:.82rem}.btn-link{background:none;border:none;color:var(--color-primary);cursor:pointer;padding:0;font-family:inherit;text-decoration:underline}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.page-header h1{font-size:1.5rem;margin:0}.page-subtitle{color:var(--color-text-muted);margin-top:4px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}.card h2,.card h3{margin-top:0}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--color-border);margin-bottom:16px}.tab{padding:10px 16px;border:none;background:none;cursor:pointer;font-size:.92rem;color:var(--color-text-muted);border-bottom:2px solid transparent;font-family:inherit}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.table-wrapper{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:.88rem}.data-table th{text-align:left;background:#eef2f5;padding:10px 12px;border-bottom:2px solid var(--color-border);white-space:nowrap;font-weight:600}.data-table td{padding:9px 12px;border-bottom:1px solid var(--color-border);vertical-align:middle}.data-table tbody tr:hover{background:#f8fafb}.clickable-row{cursor:pointer}.empty-state,.loading{padding:24px;text-align:center;color:var(--color-text-muted)}.error-message{background:#fdecea;color:var(--color-danger);border:1px solid #f5c6cb;border-radius:var(--radius);padding:10px 14px;margin-bottom:12px;font-size:.9rem}.filter-panel{margin-bottom:18px}.filter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:12px}.filter-field{display:flex;flex-direction:column;gap:4px}.filter-field label{font-size:.78rem;color:var(--color-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.02em}.filter-actions{display:flex;gap:10px}input[type=text],input[type=number],input[type=date],input[type=email],input[type=password],input[type=file],select,textarea{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9rem;font-family:inherit;width:100%;background:#fff;color:var(--color-text)}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-bottom:14px}.form-field{display:flex;flex-direction:column;gap:4px}.form-field label{font-size:.82rem;font-weight:600;color:var(--color-text-muted)}.form-actions{display:flex;gap:10px;margin-top:8px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary))}.auth-card{background:#fff;padding:32px;border-radius:8px;box-shadow:0 8px 24px #00000040;width:100%;max-width:380px}.auth-card h1{margin-top:0;color:var(--color-primary-dark)}.auth-hint{font-size:.82rem;color:var(--color-text-muted);margin-top:14px;line-height:1.4}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.75rem;font-weight:600;background:#e3ecf5;color:var(--color-primary-dark)}.badge-success{background:#e2f4e8;color:var(--color-success)}.badge-warning{background:#fdf1e0;color:var(--color-accent)}.badge-danger{background:#fdecea;color:var(--color-danger)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:8px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 30px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--color-border)}.modal-header h3{margin:0}.modal-close{background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--color-text-muted);line-height:1}.modal-body{padding:18px}.modal-footer{padding:14px 18px;border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:10px}.pagination{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:14px}.pagination-page{color:var(--color-text-muted);font-size:.88rem}.part-detail-panel{background:#f8fafb;border-top:2px solid var(--color-primary)}.widget{display:flex;flex-direction:column;height:100%}.widget-list{list-style:none;margin:0;padding:0}.widget-list li{padding:8px 0;border-bottom:1px solid var(--color-border);font-size:.88rem}.widget-list li:last-child{border-bottom:none}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.product-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}.product-card img{width:100%;height:140px;object-fit:cover;border-radius:var(--radius);background:var(--color-bg)}.price{font-weight:700;color:var(--color-primary-dark)}.text-muted{color:var(--color-text-muted)}.small{font-size:.82rem}.mt-0{margin-top:0}.mb-0{margin-bottom:0}.checkbox-row{display:flex;align-items:center;gap:8px}