:root{--color-brand-primary: #b91c1c;--color-brand-primary-hover: #991b1b;--color-brand-secondary: #1e3a8a;--color-brand-secondary-hover: #1e40af;--color-success: #10b981;--color-success-light: #d1fae5;--color-success-dark: #047857;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-warning-dark: #b45309;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-danger-dark: #b91c1c;--color-info: #3b82f6;--color-info-light: #dbeafe;--color-info-dark: #1d4ed8;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-bg-app: var(--color-gray-50);--color-bg-surface: #ffffff;--color-bg-sidebar: var(--color-gray-900);--color-text-primary: var(--color-gray-900);--color-text-secondary: var(--color-gray-600);--color-text-muted: var(--color-gray-400);--color-text-inverse: #ffffff;--color-border: var(--color-gray-200);--color-border-focus: var(--color-brand-secondary);--font-family-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-family-bengali: "Noto Sans Bengali", "Tiro Bangla", var(--font-family-sans);--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--sidebar-width: 260px;--header-height: 64px;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family-sans);line-height:1.5;-webkit-text-size-adjust:100%;background-color:var(--color-bg-app);color:var(--color-text-primary)}body{min-height:100vh;overflow-x:hidden}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button;background-color:transparent;background-image:none;cursor:pointer}table{border-collapse:collapse;width:100%}.app-container{display:flex;min-height:100vh}.app-sidebar{width:var(--sidebar-width);background-color:var(--color-bg-sidebar);color:var(--color-text-inverse);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40;transition:transform var(--transition-normal)}.app-sidebar-header{height:var(--header-height);display:flex;align-items:center;padding:0 var(--spacing-6);border-bottom:1px solid var(--color-gray-800)}.app-sidebar-brand{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-inverse);letter-spacing:-.025em}.app-sidebar-brand span{color:var(--color-brand-primary)}.app-sidebar-nav{flex:1;overflow-y:auto;padding:var(--spacing-4) 0}.nav-group-title{padding:var(--spacing-2) var(--spacing-6);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;color:var(--color-gray-500);letter-spacing:.05em;margin-top:var(--spacing-4)}.nav-item{display:flex;align-items:center;padding:var(--spacing-2) var(--spacing-6);color:var(--color-gray-300);transition:all var(--transition-fast);font-size:var(--font-size-sm);font-weight:500;gap:var(--spacing-3)}.nav-item:hover,.nav-item.active{background-color:var(--color-gray-800);color:var(--color-text-inverse)}.nav-item.active{border-left:3px solid var(--color-brand-primary);padding-left:calc(var(--spacing-6) - 3px)}.nav-icon{width:20px;height:20px;opacity:.7}.nav-item:hover .nav-icon,.nav-item.active .nav-icon{opacity:1}.app-main{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh;transition:margin-left var(--transition-normal)}.app-header{height:var(--header-height);background-color:var(--color-bg-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-6);position:sticky;top:0;z-index:30}.header-left,.header-right{display:flex;align-items:center;gap:var(--spacing-4)}.mobile-toggle{display:none;color:var(--color-gray-600);background:none;border:none;padding:var(--spacing-2)}.app-content{flex:1;padding:var(--spacing-6)}.page-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:var(--spacing-6)}.page-title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-gray-900);margin-bottom:var(--spacing-1)}.breadcrumb{display:flex;align-items:center;gap:var(--spacing-2);font-size:var(--font-size-sm);color:var(--color-gray-500)}.breadcrumb a{color:var(--color-brand-secondary)}.breadcrumb a:hover{text-decoration:underline}@media (max-width: 1024px){.app-sidebar{transform:translate(-100%)}.app-sidebar.open{transform:translate(0)}.app-main{margin-left:0}.mobile-toggle{display:block}}.card{background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-5);margin-bottom:var(--spacing-5)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-4);border-bottom:1px solid var(--color-gray-100);padding-bottom:var(--spacing-3)}.card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-gray-900)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:.5rem 1rem;font-size:var(--font-size-sm);font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;transition:all var(--transition-fast);cursor:pointer}.btn-primary{background-color:var(--color-brand-primary);color:var(--color-text-inverse)}.btn-primary:hover{background-color:var(--color-brand-primary-hover)}.btn-secondary{background-color:var(--color-brand-secondary);color:var(--color-text-inverse)}.btn-secondary:hover{background-color:var(--color-brand-secondary-hover)}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-gray-700)}.btn-outline:hover{background-color:var(--color-gray-50);border-color:var(--color-gray-300)}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover{background-color:var(--color-danger-dark)}.form-group{margin-bottom:var(--spacing-4)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--color-gray-700);margin-bottom:var(--spacing-2)}.form-control{display:block;width:100%;padding:.5rem .75rem;font-size:var(--font-size-sm);line-height:1.5;color:var(--color-gray-900);background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--color-border-focus);box-shadow:0 0 0 3px #1e3a8a1a}.form-control::placeholder{color:var(--color-gray-400)}.badge{display:inline-flex;align-items:center;padding:.125rem .625rem;font-size:var(--font-size-xs);font-weight:600;border-radius:var(--radius-full)}.badge-success{background-color:var(--color-success-light);color:var(--color-success-dark)}.badge-warning{background-color:var(--color-warning-light);color:var(--color-warning-dark)}.badge-danger{background-color:var(--color-danger-light);color:var(--color-danger-dark)}.badge-info{background-color:var(--color-info-light);color:var(--color-info-dark)}.badge-gray{background-color:var(--color-gray-100);color:var(--color-gray-700)}.table-responsive{overflow-x:auto;width:100%}.table{width:100%;border-collapse:collapse;text-align:left}.table th{padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray-500);border-bottom:1px solid var(--color-border);background-color:var(--color-gray-50)}.table td{padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-sm);color:var(--color-gray-800);border-bottom:1px solid var(--color-border);vertical-align:middle}.table tbody tr:hover{background-color:var(--color-gray-50)}.avatar{width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--color-brand-secondary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:600}.dropdown-menu{position:absolute;right:0;top:100%;margin-top:var(--spacing-2);width:200px;background-color:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:50;padding:var(--spacing-1) 0}.dropdown-item{display:block;padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);color:var(--color-gray-700);transition:background-color var(--transition-fast)}.dropdown-item:hover{background-color:var(--color-gray-50);color:var(--color-gray-900)}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-2{gap:var(--spacing-2)}.gap-4{gap:var(--spacing-4)}.mt-4{margin-top:var(--spacing-4)}.mb-4{margin-bottom:var(--spacing-4)}.mb-6{margin-bottom:var(--spacing-6)}.w-full{width:100%}.text-center{text-align:center}.text-danger{color:var(--color-danger)}.text-muted{color:var(--color-text-muted)}.font-bold{font-weight:700}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}