:root{--primary-color: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-300: #a5b4fc;--primary-400: #818cf8;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--secondary-color: #8b5cf6;--secondary-light: #a78bfa;--secondary-dark: #7c3aed;--success-color: #10b981;--success-light: #6ee7b7;--success-dark: #059669;--warning-color: #f59e0b;--warning-light: #fcd34d;--warning-dark: #d97706;--danger-color: #ef4444;--danger-light: #fca5a5;--danger-dark: #dc2626;--red-50: #fef2f2;--red-100: #fee2e2;--red-200: #fecaca;--red-300: #fca5a5;--red-400: #f87171;--red-500: #ef4444;--red-600: #dc2626;--red-700: #b91c1c;--red-800: #991b1b;--red-900: #7f1d1d;--green-50: #f0fdf4;--green-100: #dcfce7;--green-200: #bbf7d0;--green-300: #86efac;--green-400: #4ade80;--green-500: #22c55e;--green-600: #16a34a;--green-700: #15803d;--green-800: #166534;--green-900: #14532d;--info-color: #0745cc;--info-light: #67e8f9;--info-dark: #0891b2;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--text-primary: #111827;--text-secondary: #6b7280;--text-light: #9ca3af;--border-color: #e5e7eb;--border-light: #f3f4f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--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;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out;--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-notification: 600;--z-tooltip: 700}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-secondary)}#app{display:flex;height:100vh}.app-container{display:flex;width:100%;height:100vh}.sidebar{background-color:transparent;overflow-y:auto}.main-content{flex:1;padding:var(--spacing-xl);overflow-y:auto;background-color:var(--bg-secondary)}@media(max-width:768px){.main-content{padding:var(--spacing-md)}}.container{max-width:1280px;margin:0 auto;padding:var(--spacing-xl)}.page-header{margin-bottom:var(--spacing-2xl);border-bottom:1px solid var(--border-color);padding-bottom:var(--spacing-xl)}.page-header h1{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin-bottom:var(--spacing-sm)}.page-header p{color:var(--text-secondary);font-size:var(--font-size-sm)}.card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base)}.card:hover{box-shadow:var(--shadow-md)}.badge{display:inline-block;padding:.25rem var(--spacing-md);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold)}.badge-primary{background-color:#6366f11a;color:var(--primary-color)}.badge-success{background-color:#10b9811a;color:var(--success-color)}.badge-warning{background-color:#f59e0b1a;color:var(--warning-color)}.badge-danger{background-color:#ef44441a;color:var(--danger-color)}.badge-info{background-color:#06b6d41a;color:var(--info-color)}.modal-backdrop{position:fixed;inset:0;background-color:#00000080;z-index:var(--z-modal-backdrop);animation:fadeIn var(--transition-base)}.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:var(--z-modal);max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-base)}.spinner{display:inline-block;width:2rem;height:2rem;border:3px solid var(--border-light);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translate(-50%,-45%);opacity:0}to{transform:translate(-50%,-50%);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-family:var(--font-family);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal);padding:var(--spacing-sm) var(--spacing-lg);border:1px solid transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);-webkit-user-select:none;user-select:none;white-space:nowrap}.btn-sm{padding:.375rem var(--spacing-md);font-size:var(--font-size-sm)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-lg)}.btn-primary{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-dark);border-color:var(--primary-dark)}.btn-primary:disabled{background-color:var(--gray-300);border-color:var(--gray-300);cursor:not-allowed;opacity:.6}.btn-secondary{background-color:var(--gray-100);color:var(--text-primary);border-color:var(--gray-300)}.btn-secondary:hover{background-color:var(--gray-200);border-color:var(--gray-400)}.btn-danger{background-color:var(--danger-color);color:#fff;border-color:var(--danger-color)}.btn-danger:hover{background-color:var(--danger-dark);border-color:var(--danger-dark)}.btn-success{background-color:var(--success-color);color:#fff;border-color:var(--success-color)}.btn-success:hover{background-color:var(--success-dark);border-color:var(--success-dark)}.btn-outline{background-color:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.btn-outline:hover{background-color:var(--gray-50);border-color:var(--gray-400)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.is-loading{pointer-events:none;opacity:.7}.form-group{margin-bottom:var(--spacing-lg)}.form-group:last-child{margin-bottom:0}.form-label{display:block;margin-bottom:var(--spacing-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-primary)}.form-label.required:after{content:" *";color:var(--danger-color)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-family:var(--font-family);font-size:var(--font-size-base);color:var(--text-primary);background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-base);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a;background-color:var(--bg-primary)}.form-input:disabled,.form-select:disabled,.form-textarea:disabled{background-color:var(--gray-100);color:var(--text-light);cursor:not-allowed}.form-input.is-error,.form-select.is-error,.form-textarea.is-error{border-color:var(--danger-color);background-color:#ef44440d}.form-input.is-error:focus,.form-select.is-error:focus,.form-textarea.is-error:focus{box-shadow:0 0 0 3px #ef44441a}.form-help{margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--text-light)}.form-error{margin-top:var(--spacing-xs);font-size:var(--font-size-xs);color:var(--danger-color);font-weight:var(--font-weight-medium)}.form-textarea{resize:vertical;min-height:100px}.form-checkbox,.form-radio{width:1.25rem;height:1.25rem;margin-right:var(--spacing-sm);cursor:pointer;accent-color:var(--primary-color)}.form-checkbox:disabled,.form-radio:disabled{cursor:not-allowed;opacity:.5}.data-table{width:100%;border-collapse:collapse;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.data-table thead{background-color:var(--gray-50);border-bottom:2px solid var(--border-color)}.data-table th{padding:var(--spacing-md);text-align:left;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.data-table tbody tr{border-bottom:1px solid var(--border-light);transition:background-color var(--transition-base)}.data-table tbody tr:hover{background-color:var(--gray-50)}.data-table tbody tr:last-child{border-bottom:none}.data-table td{padding:var(--spacing-md);color:var(--text-primary);font-size:var(--font-size-base)}.data-table.striped tbody tr:nth-child(2n){background-color:var(--gray-50)}.table-actions{display:flex;gap:var(--spacing-sm);justify-content:flex-end}.table-actions .btn-sm{padding:.25rem var(--spacing-md);font-size:var(--font-size-xs)}@media(max-width:639px){:root{--spacing-container: var(--spacing-md)}.main-layout{flex-direction:column}.sidebar{width:100%;height:auto;position:relative}.container{padding:var(--spacing-md)}.page-header h1{font-size:var(--font-size-2xl)}.modal{width:95%}.data-table{display:block;overflow-x:auto;white-space:nowrap}}@media(min-width:640px)and (max-width:1023px){:root{--spacing-container: var(--spacing-lg)}.container{padding:var(--spacing-lg)}}@media(min-width:1024px){:root{--spacing-container: var(--spacing-xl)}}.hidden-sm{display:none}@media(min-width:640px){.hidden-sm,.block-sm{display:block}}.visible-sm-only{display:block}@media(min-width:640px){.visible-sm-only{display:none}}.sidebar{width:260px;background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0;transition:width var(--transition-base);position:relative}.sidebar.collapsed{width:80px}.sidebar.collapsed .sidebar-item{justify-content:center;padding:var(--spacing-md)}.sidebar.collapsed .sidebar-logo{padding:var(--spacing-lg) var(--spacing-md);text-align:center}.sidebar.collapsed .sidebar-user{padding:var(--spacing-md)}.sidebar.collapsed .sidebar-user-content{justify-content:center}.sidebar-collapse-btn{position:absolute;top:10px;right:-12px;background:#fff;border:1px solid var(--gray-200);border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:101;color:var(--gray-500);box-shadow:var(--shadow-sm);display:none}.sidebar-collapse-btn{display:flex;position:absolute;top:15px;right:15px;background:transparent;border:none;color:var(--gray-400);padding:5px;border-radius:var(--radius-sm)}.sidebar-collapse-btn:hover{background-color:var(--gray-100);color:var(--gray-600)}.sidebar.collapsed .sidebar-collapse-btn{right:50%;transform:translate(50%)}.sidebar-logo{padding:var(--spacing-xl);border-bottom:1px solid var(--gray-200)}.sidebar-logo h1{font-size:1.25rem;font-weight:700;background:linear-gradient(to right,var(--primary-500),var(--primary-700));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs);white-space:nowrap}.sidebar-logo p{font-size:.75rem;color:var(--gray-500);white-space:nowrap}.sidebar-nav{flex:1;padding:var(--spacing-lg) 0}.sidebar-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-xl);color:var(--gray-700);text-decoration:none;font-weight:500;font-size:.875rem;transition:all var(--transition-fast);border-right:4px solid transparent;cursor:pointer;white-space:nowrap;overflow:hidden}.sidebar-nav .sidebar-item:hover{background-color:var(--primary-50);color:var(--primary-600)}.sidebar-nav .sidebar-item.active{background-color:var(--primary-50);color:var(--primary-600);border-right-color:var(--primary-500)}.sidebar-item svg{flex-shrink:0}.sidebar-user{padding:var(--spacing-lg);border-top:1px solid var(--gray-200)}.sidebar-user-content{display:flex;align-items:center;gap:var(--spacing-md);overflow:hidden}.sidebar-user-avatar{width:40px;height:40px;border-radius:50%;background-color:var(--primary-100);color:var(--primary-600);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;flex-shrink:0}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:.875rem;font-weight:500;color:var(--gray-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:.75rem;color:var(--gray-500);text-transform:capitalize}.sidebar-logout{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-xl);color:var(--gray-700);cursor:pointer;font-weight:500;font-size:.875rem;transition:all var(--transition-fast);border-top:1px solid var(--gray-200);margin-top:auto}.sidebar-logout:hover{background-color:var(--red-50);color:var(--red-600)}.sidebar-logout svg{width:20px;height:20px}.mobile-menu-btn{display:none;position:fixed;top:1rem;left:1rem;z-index:201;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:.5rem;cursor:pointer;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.mobile-menu-btn:hover{background-color:var(--primary-50);border-color:var(--primary-500);color:var(--primary-600)}.mobile-menu-btn:active{transform:scale(.95)}@media(max-width:768px){.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.sidebar-collapse-btn{display:none}.sidebar{position:fixed;width:260px;transform:translate(-100%);transition:transform var(--transition-base);z-index:200;height:100vh;height:100dvh;overflow-y:auto;-webkit-overflow-scrolling:touch}.sidebar.open{transform:translate(0)}.sidebar.collapsed{width:260px}.sidebar-overlay{position:fixed;inset:0;background-color:#00000080;z-index:150;display:none;transition:opacity var(--transition-base);touch-action:none}.sidebar-overlay.open{display:block}}.header{border-bottom:1px solid var(--gray-200);padding:var(--spacing-lg) var(--spacing-xl);margin-bottom:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.header-content{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.header-title-section{flex:1}.header-title{font-size:1.5rem;font-weight:700;color:var(--gray-900);margin-bottom:var(--spacing-xs)}.header-subtitle{font-size:.875rem;color:var(--gray-500)}.header-actions{display:flex;align-items:center;gap:var(--spacing-md)}.header-search{position:relative}.header-search input{width:300px;padding:.625rem var(--spacing-md);padding-left:2.5rem;border:1px solid var(--gray-300);border-radius:var(--radius-md);font-size:.875rem;transition:all var(--transition-base)}.header-search input:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-50)}.header-search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--gray-400);pointer-events:none}.header-notification{position:relative;padding:.5rem;border-radius:var(--radius-md);color:var(--gray-600);cursor:pointer;transition:all var(--transition-base)}.header-notification:hover{background-color:var(--gray-100);color:var(--gray-900)}.header-notification-badge{position:absolute;top:.25rem;right:.25rem;width:8px;height:8px;background-color:var(--danger);border-radius:50%;border:2px solid white}.header-user{display:flex;align-items:center;gap:var(--spacing-md);padding:.5rem var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}.header-user:hover{background-color:var(--gray-100)}.header-user-avatar{width:36px;height:36px;border-radius:50%;background-color:var(--primary-100);color:var(--primary-600);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem}.header-user-info{display:flex;flex-direction:column}.header-user-name{font-size:.875rem;font-weight:500;color:var(--gray-900)}.header-user-role{font-size:.75rem;color:var(--gray-500);text-transform:capitalize}@media(max-width:768px){.header-search input{width:200px}.header-user-info{display:none}}@media(max-width:640px){.header-search{display:none}}.grid{display:grid}.grid-cols-4{grid-template-columns:repeat(4,1fr);gap:var(--spacing-xl)}@media(max-width:1024px){.grid-cols-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-cols-4{grid-template-columns:1fr}}.quick-actions{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.font-medium{font-weight:500}.text-sm{font-size:.875rem}.text-gray-500{color:var(--gray-500)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.chart-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.chart-title{font-size:1rem;font-weight:600;color:var(--text-primary)}.chart-container{width:100%;height:300px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.875rem}.kpi-card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:var(--spacing-xl);position:relative;overflow:hidden;transition:all var(--transition-base)}.kpi-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.kpi-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to 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input{width:100%;padding:.625rem var(--spacing-md);padding-left:2.5rem;border:1px solid var(--gray-300);border-radius:var(--radius-md);font-size:.875rem}.bookings-search .search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--gray-400)}.bookings-filters{display:flex;gap:var(--spacing-md);align-items:center}.filter-group{display:flex;align-items:center;gap:var(--spacing-sm)}.filter-group select{min-width:150px}.action-buttons{display:flex;gap:var(--spacing-sm);align-items:center}.btn-icon{padding:.5rem;border:none;background:transparent;color:var(--gray-600);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{background-color:var(--gray-100);color:var(--gray-900)}.btn-icon.text-success{color:var(--success)}.btn-icon.text-success:hover{background-color:var(--success-light)}.text-primary{color:var(--primary-500)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}@media(max-width:768px){.bookings-toolbar{flex-direction:column;align-items:stretch}.bookings-search{min-width:100%}.bookings-filters{flex-direction:column;align-items:stretch}.filter-group select{width:100%}}.entity-edit-header{margin-bottom:var(--spacing-xl)}.header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.btn-back{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;font-size:var(--font-size-sm);transition:all var(--transition-base)}.btn-back:hover{background-color:var(--bg-primary);border-color:var(--gray-400)}.entity-edit-container{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.tabs-nav{display:flex;border-bottom:2px solid var(--border-color);background-color:var(--bg-secondary);overflow-x:auto;margin-bottom:var(--spacing-lg);gap:var(--spacing-xs)}.tab-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-lg);background:transparent;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);cursor:pointer;font-size:var(--font-size-lg);font-weight:var(--font-weight-medium);transition:all var(--transition-base);white-space:nowrap}.tab-button:hover{background-color:var(--gray-100);color:var(--text-primary)}.tab-button.active{color:var(--primary-color);border-bottom-color:var(--primary-color);background-color:var(--primary-50)}.tab-icon{font-size:1.2rem}.tab-content{padding:var(--spacing-xl)}.tab-panel{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.panel-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--border-color)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column}.form-group.full-width{grid-column:1 / -1}.label{font-weight:var(--font-weight-medium);color:var(--text-primary);margin-bottom:var(--spacing-xs);font-size:var(--font-size-sm)}.input,.textarea,.select{padding:var(--spacing-sm);border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:var(--font-size-base);transition:all var(--transition-base)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.textarea{resize:vertical;font-family:inherit}.checkbox-label{display:flex;align-items:center;gap:var(--spacing-xs);cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox-label input[type=checkbox]{width:1.25rem;height:1.25rem;cursor:pointer}.checkbox-label span{font-weight:var(--font-weight-medium);color:var(--text-primary)}.placeholder-content{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl) var(--spacing-xl);text-align:center;color:var(--text-secondary)}.placeholder-icon{font-size:4rem;color:var(--gray-300);margin-bottom:var(--spacing-md)}.placeholder-content p{margin:var(--spacing-xs) 0;font-size:var(--font-size-lg)}.placeholder-content .text-muted{font-size:var(--font-size-sm);color:var(--gray-400)}@media(max-width:768px){.form-grid{grid-template-columns:1fr}.form-group.full-width{grid-column:1}.tabs-nav{overflow-x:scroll}.tab-button{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm)}.tab-content{padding:var(--spacing-lg)}.header-top{flex-direction:column;gap:var(--spacing-md);align-items:stretch}.btn-back,.btn-primary{width:100%;justify-content:center}}.alert{padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}.alert-danger{background-color:#ef44441a;color:var(--danger-color);border-left:4px solid var(--danger-color)}.loading-state{display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl) var(--spacing-xl);font-size:var(--font-size-lg);color:var(--text-secondary)}.form-actions{margin-top:var(--spacing-xl);display:flex;justify-content:flex-end;padding-top:var(--spacing-lg);border-top:1px solid var(--border-color)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background-color:#fff;padding:3rem;border-radius:12px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:420px}.login-header{text-align:center;margin-bottom:2rem}.login-header h1{margin:0 0 .5rem;font-size:2rem;color:#1a202c}.login-header p{color:#718096;margin:0;font-size:.95rem}.error-message{background-color:#fed7d7;color:#c53030;padding:.75rem 1rem;border-radius:6px;margin-bottom:1.5rem;font-size:.9rem;border-left:4px solid #fc8181}.btn-google{width:100%;background-color:#fff;color:#3c4043;border:2px solid #dadce0;padding:.75rem 1rem;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1.5rem}.btn-google:hover:not(:disabled){background-color:#f8f9fa;border-color:#d2d3d4;box-shadow:0 2px 8px #0000001a}.btn-google:active:not(:disabled){background-color:#f1f3f4}.btn-google:disabled{opacity:.6;cursor:not-allowed}.google-icon{flex-shrink:0}.divider{display:flex;align-items:center;text-align:center;margin:1.5rem 0;color:#a0aec0;font-size:.875rem}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid #e2e8f0}.divider span{padding:0 1rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:#2d3748;font-weight:500;font-size:.9rem}.form-group input{width:100%;padding:.75rem 1rem;border:2px solid #e2e8f0;border-radius:6px;font-size:1rem;transition:all .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f7fafc;cursor:not-allowed}.btn{padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-block{width:100%;display:block}.login-footer{margin-top:2rem;text-align:center}.info-text{color:#718096;font-size:.85rem;margin:0}@media(max-width:480px){.login-card{padding:2rem 1.5rem;margin:1rem}.login-header h1{font-size:1.75rem}}