/* app/assets/css/main.css - адаптивный светлый дизайн с градиентами */

/* 1. Базовые настройки */
:root {
    /* Основные градиенты */
    --gradient-primary: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    --gradient-secondary: linear-gradient(135deg, #7209b7 0%, #560bad 100%);
    --gradient-success: linear-gradient(135deg, #4cc9f0 0%, #4895ef 100%);
    --gradient-warning: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
    --gradient-danger: linear-gradient(135deg, #ef476f 0%, #f72585 100%);
    --gradient-info: linear-gradient(135deg, #4895ef 0%, #4361ee 100%);
    
    /* Цветовые переменные */
    --primary: #4361ee;
    --primary-dark: #3a0ca3;
    --secondary: #7209b7;
    --success: #4cc9f0;
    --info: #4895ef;
    --warning: #f72585;
    --danger: #ef476f;
    
    /* Нейтральные цвета */
    --light: #f8f9fa;
    --dark: #212529;
    --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;
    
    /* Размеры */
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Тени */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-md: 0 6px 18px rgba(0,0,0,0.10);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    
    /* Анимации */
    --transition-fast: all 0.2s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* 2. Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #f6f8ff 0%, #f0f4ff 100%);
    color: var(--gray-700);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 3. Основной контейнер приложения */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* 4. Верхняя панель (фиксированная) */
.navbar-main {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    padding: 0 1.5rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-brand i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem;
}

/* 5. Боковая панель */
.sidebar {
    width: var(--sidebar-width);
    position: fixed;
    left: 0;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
    background: white;
    border-right: 1px solid var(--gray-200);
    z-index: 1020;
    overflow-y: auto;
    transition: transform 0.3s ease;
    padding: 1.5rem 0;
}

/*.sidebar-header {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 1rem;
}

.sidebar-header h6 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    font-weight: 600;
}*/
/* Добавьте это в main.css */
/*.nav-section:first-child {
    margin-top: 1.5rem;
}*/
/* Навигация в сайдбаре */
.nav-section {
    margin-bottom: 1.5rem;
    padding: 0 1.5rem;
}

.nav-section:last-child {
    margin-bottom: 0;
}

.nav-section small {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.375rem;
    transition: var(--transition);
    font-weight: 500;
}

.nav-item i {
    width: 20px;
    margin-right: 0.75rem;
    font-size: 1.125rem;
    transition: var(--transition);
}

.nav-item:hover {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    color: var(--primary);
    transform: translateX(5px);
}

.nav-item:hover i {
    transform: scale(1.1);
}

.nav-item.active {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.nav-item.active i {
    color: white;
}

/* 6. Основной контент */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 2rem;
    min-height: calc(100vh - var(--header-height));
    transition: margin-left 0.3s ease;
}

/* 7. Заголовок страницы */
.page-header {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    animation: fadeInUp 0.5s ease-out;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header h1 i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* 8. Карточки */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.card-header {
    background: linear-gradient(135deg, var(--gray-50), white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5 {
    margin: 0;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h5 i {
    color: var(--primary);
}

.card-body {
    padding: 1.5rem;
}

/* 9. Статистические карточки */
.metric-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.metric-icon {
    margin-bottom: 1rem;
}

.metric-icon i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.metric-title {
    font-size: 0.95rem;
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.metric-description {
    font-size: 0.85rem;
    color: var(--gray-500);
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-200);
}

/* 10. Быстрые действия */
.quick-actions {
    background: linear-gradient(135deg, #f8faff, #f0f4ff);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
}

.quick-actions .btn {
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 11. Списки действий */
.list-group-item {
    border: none;
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 0;
    transition: var(--transition);
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background: var(--gray-50);
    padding-left: 0.5rem;
}

/* 12. Кнопки */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.3);
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* 13. Формы */
.form-control {
    /*border: 2px solid var(--gray-300);*/
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
    outline: none;
}

/* 14. Таблицы */
.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(0,0,0,0.02);
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: var(--gray-100);
    border-top: 1px solid var(--gray-300);
    font-weight: 600;
    color: var(--gray-700);
    padding: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    border-top: 1px solid var(--gray-200);
    padding: 1rem;
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--gray-50);
}

/* 15. Статус индикаторы */
.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-indicator.online {
    background: var(--gradient-success);
}

.status-indicator.offline {
    background: var(--gradient-danger);
}

.status-indicator.warning {
    background: var(--gradient-warning);
}

/* 16. Бейджи */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.75rem;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge.bg-success {
    background: var(--gradient-success) !important;
}

.badge.bg-warning {
    background: var(--gradient-warning) !important;
}

.badge.bg-danger {
    background: var(--gradient-danger) !important;
}

/* 17. Прогресс-бары */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: 4px;
}

/* 18. Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.5s ease-out;
}

/* 19. Мобильная адаптация */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar-open {
        transform: translateX(0) !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .mobile-overlay {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1019;
    }
    
    .sidebar-open + .mobile-overlay {
        display: block;
    }
    
    .page-header {
        padding: 1.25rem;
    }
    
    .metric-value {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .navbar-main {
        padding: 0 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 576px) {
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .metric-card {
        padding: 1.25rem;
    }
    
    .metric-value {
        font-size: 1.5rem;
    }
}

/* 20. Утилиты */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--gradient-primary);
}

.rounded-xl {
    border-radius: var(--border-radius-lg) !important;
}

.shadow-soft {
    box-shadow: var(--shadow) !important;
}

/* 21. Кастомный скроллбар */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* 22. Аватар пользователя */
.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    border: 3px solid white;
    box-shadow: var(--shadow);
}

/* 23. Dropdown меню */
.dropdown-menu {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
}

/* 24. Всплывающие уведомления */
.toast {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.toast-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* 25. Модальные окна */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: 1.5rem;
}

.modal-title {
    font-weight: 600;
}

/* 26. Навигация (вкладки) */
.nav-tabs {
    border-bottom: 1px solid var(--gray-300);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--gray-600);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.nav-tabs .nav-link:hover {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-tabs .nav-link.active {
    color: var(--primary);
    background: white;
    border-bottom: 3px solid var(--primary);
}

/* 27. Пагинация */
.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    color: var(--gray-600);
    border-radius: var(--border-radius-sm) !important;
    padding: 0.5rem 0.875rem;
}

.page-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    color: white;
}

/* 28. Формы с иконками */
.input-group-text {
    background: var(--gray-100);
    border: 2px solid var(--gray-300);
    color: var(--gray-600);
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: none;
}

/* 29. Сетки */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* 30. Загрузка */
.spinner-border {
    border-width: 0.2em;
}

/* 31. Карточка пользователя */
.user-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.user-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.user-card-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 32. Исправления для проблемных браузеров */
body.problematic-browser .text-gradient {
    color: var(--primary) !important;
    background: none !important;
    -webkit-text-fill-color: var(--primary) !important;
}

body.problematic-browser .metric-icon i {
    color: var(--primary) !important;
    background: none !important;
    -webkit-text-fill-color: var(--primary) !important;
}