:root{--admin-sidebar-width:240px;--admin-header-height:56px;--admin-bg:#f4f6f9;--admin-sidebar-bg:#1e293b;--admin-sidebar-text:#94a3b8;--admin-sidebar-text-active:#fff;--admin-sidebar-hover:#ffffff0f;--admin-border:#e2e8f0;--admin-card-bg:#fff;--admin-primary:#2563eb;--admin-primary-hover:#1d4ed8;--admin-text:#334155;--admin-text-muted:#64748b;--admin-danger:#dc2626}*,:before,:after{box-sizing:border-box}body{background:var(--admin-bg);color:var(--admin-text);margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}#root{min-height:100svh}.admin-shell{min-height:100svh;display:flex}.admin-sidebar{width:var(--admin-sidebar-width);background:var(--admin-sidebar-bg);color:var(--admin-sidebar-text);flex-direction:column;flex-shrink:0;height:100svh;display:flex;position:sticky;top:0;overflow-y:auto}.admin-brand{border-bottom:1px solid #ffffff14;padding:20px 20px 16px}.admin-brand-title{color:#fff;letter-spacing:-.02em;margin:0;font-size:16px;font-weight:700}.admin-brand-sub{color:var(--admin-sidebar-text);margin:4px 0 0;font-size:12px}.admin-nav{flex:1;padding:12px 0 24px}.admin-nav-group{margin-bottom:8px}.admin-nav-group-label{text-transform:uppercase;letter-spacing:.06em;color:#64748b;padding:8px 20px 6px;font-size:11px;font-weight:600}.admin-nav-link{color:var(--admin-sidebar-text);align-items:center;gap:10px;padding:10px 20px;font-size:14px;text-decoration:none;transition:background .15s,color .15s;display:flex}.admin-nav-link:hover{background:var(--admin-sidebar-hover);color:var(--admin-sidebar-text-active)}.admin-nav-link.is-active{color:#fff;background:#2563eb33;font-weight:600}.admin-nav-link.is-disabled{opacity:.45;pointer-events:none}.admin-body{flex-direction:column;flex:1;min-width:0;display:flex}.admin-header{height:var(--admin-header-height);background:var(--admin-card-bg);border-bottom:1px solid var(--admin-border);z-index:10;justify-content:space-between;align-items:center;gap:16px;padding:0 28px;display:flex;position:sticky;top:0}.admin-header-title{color:#0f172a;margin:0;font-size:18px;font-weight:600}.admin-header-actions{align-items:center;gap:12px;display:flex}.admin-account-select{border:1px solid var(--admin-border);min-width:200px;color:var(--admin-text);background:#fff;border-radius:8px;padding:8px 12px;font-size:13px}.admin-main{flex:1;padding:24px 28px 40px}.admin-content{width:100%}.admin-page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.admin-page-header-text h2{color:#0f172a;margin:0 0 4px;font-size:22px;font-weight:700}.admin-page-header-text p{color:var(--admin-text-muted);margin:0;font-size:14px}.admin-page-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.admin-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;padding:20px 24px}.admin-card-title{color:#0f172a;margin:0 0 16px;font-size:15px;font-weight:600}.admin-btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.admin-btn:disabled{opacity:.55;cursor:not-allowed}.admin-btn-primary{background:var(--admin-primary);color:#fff}.admin-btn-primary:hover:not(:disabled){background:var(--admin-primary-hover)}.admin-btn-secondary{color:var(--admin-text);border-color:var(--admin-border);background:#fff}.admin-btn-secondary:hover:not(:disabled){background:#f8fafc}.admin-btn-danger{color:var(--admin-danger);background:#fff;border-color:#fecaca}.admin-btn-ghost{color:var(--admin-text-muted);background:0 0;border-color:#0000}.admin-btn-ghost:hover:not(:disabled){color:var(--admin-text);background:#f1f5f9}.admin-alert{border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:14px}.admin-alert-success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.admin-alert-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.admin-alert-warning{color:#9a3412;background:#fff7ed;border:1px solid #fed7aa}.admin-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.admin-grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.admin-grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.admin-stat-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);text-align:center;border-radius:12px;padding:20px}.admin-stat-label{color:var(--admin-text-muted);margin-bottom:8px;font-size:13px}.admin-stat-value{color:#0f172a;font-size:26px;font-weight:700}.admin-table-wrap{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;font-size:14px}.admin-table th{text-align:left;border-bottom:2px solid var(--admin-border);color:var(--admin-text-muted);padding:12px 10px;font-size:13px;font-weight:600}.admin-table td{vertical-align:middle;border-bottom:1px solid #f1f5f9;padding:12px 10px}.admin-account-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);cursor:pointer;border-radius:12px;padding:20px;transition:border-color .15s,box-shadow .15s}.admin-account-card:hover{border-color:#93c5fd}.admin-account-card.is-selected{border-color:var(--admin-primary);box-shadow:0 0 0 3px #2563eb1f}.admin-account-name{color:#0f172a;margin-bottom:4px;font-size:16px;font-weight:700}.admin-account-meta{color:var(--admin-text-muted);font-size:13px}.admin-empty{text-align:center;color:var(--admin-text-muted);padding:48px 24px}.admin-form-label{color:var(--admin-text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.admin-form-input,.admin-form-select,.admin-form-textarea{border:1px solid var(--admin-border);width:100%;color:var(--admin-text);background:#fff;border-radius:8px;padding:10px 12px;font-size:14px}.admin-form-textarea{resize:vertical;font-family:inherit}.admin-form-group{margin-bottom:16px}.modal-overlay{z-index:1000;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-box{background:#fff;border-radius:14px;flex-direction:column;width:100%;max-width:480px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 20px 60px #0000002e}.modal-header{border-bottom:1px solid var(--admin-border);justify-content:space-between;align-items:center;padding:18px 24px 16px;display:flex}.modal-title{color:#0f172a;margin:0;font-size:16px;font-weight:700}.modal-close{cursor:pointer;color:var(--admin-text-muted);background:0 0;border:none;border-radius:6px;padding:4px;font-size:16px;line-height:1;transition:background .15s,color .15s}.modal-close:hover{color:#0f172a;background:#f1f5f9}.modal-body{flex:1;padding:20px 24px;overflow-y:auto}.modal-footer{border-top:1px solid var(--admin-border);background:#fafafa;justify-content:flex-end;gap:8px;padding:14px 24px;display:flex}.admin-login-page{background:var(--admin-bg);justify-content:center;align-items:center;min-height:100svh;padding:24px;display:flex}.admin-login-card{background:var(--admin-card-bg);border:1px solid var(--admin-border);border-radius:12px;width:100%;max-width:400px;padding:32px}.admin-login-card h2{color:#0f172a;margin:0 0 8px;font-size:22px}.admin-login-card p{color:var(--admin-text-muted);margin:0 0 24px;font-size:14px}@media (width<=1024px){.admin-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=768px){.admin-shell{flex-direction:column}.admin-sidebar{width:100%;height:auto;position:static}.admin-nav{flex-wrap:wrap;gap:4px;padding:8px 12px 12px;display:flex}.admin-nav-group{width:100%}.admin-nav-group-label{display:none}.admin-nav-link{border-radius:8px;padding:8px 12px;font-size:13px}.admin-header{flex-wrap:wrap;height:auto;padding:12px 16px}.admin-main{padding:16px}.admin-page-header{flex-direction:column}.admin-grid-2,.admin-grid-3,.admin-grid-4{grid-template-columns:1fr}}