:root{--color-bg: #0f172a;--color-bg-card: #1e293b;--color-bg-elevated: #334155;--color-border: #334155;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-success: #22c55e;--color-warning: #eab308;--color-danger: #ef4444;--color-danger-hover: #dc2626;--radius: 8px;--radius-sm: 4px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .2), 0 2px 4px -2px rgb(0 0 0 / .1);--sidebar-width: 240px;--header-height: 56px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea,button{font-family:inherit;font-size:inherit}input,select,textarea{width:100%;padding:10px 12px;color:var(--color-text);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-sm);outline:none;transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}button{cursor:pointer;padding:10px 18px;color:#fff;background:var(--color-primary);border:none;border-radius:var(--radius-sm);font-weight:500;transition:background .15s}button:hover:not(:disabled){background:var(--color-primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:var(--color-bg-elevated);color:var(--color-text);border:1px solid var(--color-border)}button.secondary:hover:not(:disabled){background:var(--color-border)}button.danger{background:var(--color-danger)}button.danger:hover:not(:disabled){background:var(--color-danger-hover)}label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--color-text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--color-bg-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:var(--spacing-md) 0}.sidebar-brand{padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.sidebar-brand a{font-weight:700;font-size:17px;letter-spacing:-.02em;color:var(--color-text)!important;text-decoration:none!important}.sidebar-brand a:hover{color:var(--color-primary)!important}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}.sidebar-nav>div{margin-bottom:var(--spacing-sm)}.sidebar-nav-section{padding:var(--spacing-sm) var(--spacing-lg) var(--spacing-xs);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.sidebar-nav-subtitle{padding:0 var(--spacing-lg) var(--spacing-xs);font-size:11px;color:var(--color-text-muted);line-height:1.3;max-width:100%}.sidebar-nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:10px var(--spacing-lg);margin:0 var(--spacing-sm);border-radius:var(--radius-sm);color:var(--color-text-muted);text-decoration:none!important;font-size:14px;font-weight:500;transition:color .15s,background .15s;border-left:3px solid transparent}.sidebar-nav-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.85}.sidebar-nav-link:hover .sidebar-nav-icon,.sidebar-nav-link.active .sidebar-nav-icon{opacity:1}.sidebar-nav-label{min-width:0}.sidebar-nav-link:hover{color:var(--color-text);background:var(--color-bg-elevated)}.sidebar-nav-link.active{color:var(--color-primary);background:#3b82f61f;border-left-color:var(--color-primary);font-weight:600}.layout-wrapper{display:flex;min-height:100vh;min-width:0;overflow-x:hidden}.layout-main{flex:1;display:flex;flex-direction:column;min-width:0}.layout-header{height:var(--header-height);min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-md);border-bottom:1px solid var(--color-border);background:var(--color-bg-card);gap:var(--spacing-sm)}.layout-header .header-search{flex:1;max-width:320px;min-width:0}.layout-header .header-search input{width:100%;padding:8px 12px;font-size:13px}.layout-header .header-actions{display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.header-user{font-size:13px;color:var(--color-text-muted);display:flex;align-items:center;gap:6px;max-width:180px;min-width:0}.header-user-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-user-role{padding:2px 6px;background:var(--color-bg-elevated);border-radius:4px;font-size:11px;flex-shrink:0}.layout-content{flex:1;padding:var(--spacing-lg);overflow:auto;min-width:0}.sidebar-toggle{display:none;flex-shrink:0;width:40px;height:40px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);cursor:pointer}.sidebar-toggle-bar{display:block;width:18px;height:2px;background:currentColor;border-radius:1px}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:999;opacity:0;pointer-events:none;transition:opacity .2s}.sidebar-backdrop.sidebar-backdrop-visible{opacity:1;pointer-events:auto}@media (max-width: 1024px){.sidebar-toggle{display:flex}.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:1000;width:260px;min-width:260px;transform:translate(-100%);transition:transform .25s ease-out;box-shadow:none}.sidebar.sidebar-open{transform:translate(0);box-shadow:4px 0 24px #0000004d}.sidebar-backdrop{display:block}.layout-header .header-search{max-width:200px}.header-user{max-width:120px}}@media (max-width: 768px){:root{--sidebar-width: 260px;--header-height: 52px}.layout-header{padding:0 var(--spacing-sm);gap:var(--spacing-xs)}.layout-header .header-search{max-width:140px}.layout-header .header-search input::placeholder{font-size:12px}.header-user-email{display:none}.header-user-role{margin-left:0}.layout-content{padding:var(--spacing-md)}}@media (max-width: 480px){.layout-header .header-search{display:none}.layout-content{padding:var(--spacing-sm)}}.data-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.data-table-wrap table{width:100%;border-collapse:collapse;min-width:520px}.data-table-wrap thead tr{border-bottom:1px solid var(--color-border)}.data-table-wrap th{padding:var(--spacing-md);font-weight:600;font-size:12px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.data-table-wrap tbody tr{border-bottom:1px solid var(--color-border)}.data-table-wrap td{padding:var(--spacing-md);font-size:14px}@media (max-width: 768px){.data-table-wrap th,.data-table-wrap td{padding:var(--spacing-sm) var(--spacing-md);font-size:13px}}@media (max-width: 480px){.data-table-wrap th,.data-table-wrap td{padding:var(--spacing-xs) var(--spacing-sm);font-size:12px}.data-table-wrap{min-width:0}.data-table-wrap table{min-width:400px}}.modal-overlay{padding:var(--spacing-md);align-items:flex-start;padding-top:max(var(--spacing-md),env(safe-area-inset-top))}@media (max-width: 768px){.modal-overlay{padding:var(--spacing-sm);align-items:stretch}.modal-content{max-width:100%!important;width:100%!important;margin:0;border-radius:var(--radius) 0 0;max-height:90vh;overflow-y:auto}}@media (max-width: 480px){.modal-content{padding:var(--spacing-md)!important;max-height:85vh}}.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.page-header h1{margin:0 0 var(--spacing-xs);font-size:22px;font-weight:600}.page-header-desc{margin:0;color:var(--color-text-muted);font-size:14px;width:100%}@media (max-width: 768px){.page-header h1{font-size:18px}.page-header-desc{font-size:13px}}.responsive-grid{display:grid;gap:var(--spacing-md);grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}@media (max-width: 480px){.responsive-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}}.form-actions-row{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);align-items:center}@media (max-width: 480px){.form-actions-row{flex-direction:column;align-items:stretch}.form-actions-row select{min-width:0}}