*{box-sizing:border-box}body.erp-body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#1f2937}.erp-shell{display:flex;min-height:100vh}.erp-sidebar{width:260px;background:#111827;color:#fff;padding:24px 18px}.erp-sidebar__brand h2{margin:0;font-size:22px}.erp-sidebar__brand span{display:block;margin-top:4px;color:#9ca3af;font-size:14px}.erp-sidebar__nav{margin-top:28px;display:flex;flex-direction:column;gap:8px}.erp-sidebar__section{margin-top:18px;margin-bottom:6px;font-size:12px;text-transform:uppercase;color:#9ca3af;letter-spacing:.08em}.erp-link{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;color:#e5e7eb;transition:.2s ease}.erp-link:hover{background:#1f2937}.erp-link.active{background:#2563eb;color:#fff}.erp-link.disabled{opacity:.45;pointer-events:none}.erp-main{flex:1;display:flex;flex-direction:column}.erp-navbar{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;background:#fff;border-bottom:1px solid #e5e7eb}.erp-navbar__title{margin:0;font-size:22px}.erp-navbar__subtitle{margin:4px 0 0;color:#6b7280;font-size:14px}.erp-navbar__right{display:flex;align-items:center;gap:16px}.erp-userbox{display:flex;flex-direction:column;text-align:right}.erp-userbox span{font-size:13px;color:#6b7280}.erp-content{padding:28px}.erp-page-header h2{margin:0 0 8px}.erp-page-header p{margin:0;color:#6b7280}.erp-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:24px}.erp-card{background:#fff;border-radius:14px;padding:20px;border:1px solid #e5e7eb}.erp-card h3{margin-top:0;margin-bottom:10px;font-size:16px}.erp-card p{margin:0;color:#4b5563}.erp-alert{margin-bottom:18px;padding:14px 16px;border-radius:10px}.erp-alert--success{background:#e8f5e9;color:#1b5e20}.erp-alert--error{background:#ffebee;color:#b71c1c}.erp-btn{border:none;border-radius:10px;padding:10px 14px;cursor:pointer;font-size:14px}.erp-btn--danger{background:#dc2626;color:#fff}.erp-list{margin:12px 0 0;padding-left:18px;color:#4b5563}.erp-page-header--between{display:flex;justify-content:space-between;align-items:center;gap:16px}.erp-form-group{margin-bottom:18px}.erp-label{display:block;margin-bottom:8px;font-weight:600}.erp-input{width:100%;padding:12px 14px;border:1px solid #d1d5db;border-radius:10px;font-size:14px;background:#fff}.erp-input:focus{outline:none;border-color:#2563eb}.erp-form-actions{display:flex;gap:12px;margin-top:24px}.erp-btn--primary{background:#2563eb;color:#fff;text-decoration:none}.erp-btn--secondary{background:#e5e7eb;color:#111827;text-decoration:none}.erp-btn--warning{background:#f59e0b;color:#fff;text-decoration:none}.erp-table-wrap{overflow-x:auto}.erp-table{width:100%;border-collapse:collapse;margin-top:8px}.erp-table th,.erp-table td{text-align:left;padding:14px 12px;border-bottom:1px solid #e5e7eb;vertical-align:middle}.erp-table th{background:#f9fafb;font-size:14px;color:#374151}