/* ============================================================================
 * КРИТИЧЕСКИЕ ИСПРАВЛЕНИЯ ДЛЯ WEBTELEGA UI
 * Исправления проблем с отзывчивостью, z-index конфликтами и mobile UX
 * ============================================================================ */

/* ИСПРАВЛЕНИЕ 1: Базовые критические стили для fallback */
.critical-fallback {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
}

/* ИСПРАВЛЕНИЕ 2: Z-index иерархия - устранение конфликтов */
:root {
    --z-base: 1;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    --z-loading: 1090;
}

.navbar {
    z-index: var(--z-sticky) !important;
}

.dropdown-menu {
    z-index: var(--z-dropdown) !important;
}

.modal {
    z-index: var(--z-modal) !important;
}

.modal-backdrop {
    z-index: var(--z-modal-backdrop) !important;
}

.toast-container {
    z-index: var(--z-toast) !important;
}

.connection-status {
    z-index: var(--z-fixed) !important;
}

.loading-overlay {
    z-index: var(--z-loading) !important;
}

/* ИСПРАВЛЕНИЕ 3: Фиксированные проблемы с Bootstrap навигацией */
.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    padding: 0.375rem 0.75rem !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25) !important;
    outline: none !important;
}

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    align-items: center;
}

/* ИСПРАВЛЕНИЕ 4: Модальные окна - правильное позиционирование */
.modal-dialog {
    margin: 1.75rem auto !important;
    max-width: 500px !important;
    position: relative !important;
    width: auto !important;
    pointer-events: none !important;
}

.modal-content {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    pointer-events: auto !important;
    background-clip: padding-box !important;
}

/* ИСПРАВЛЕНИЕ 5: Кнопки - устранение проблем с кликами */
.btn {
    position: relative !important;
    display: inline-block !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    color: #212529 !important;
    text-align: center !important;
    text-decoration: none !important;
    vertical-align: middle !important;
    cursor: pointer !important;
    user-select: none !important;
    background-color: transparent !important;
    border: 1px solid transparent !important;
    padding: 0.375rem 0.75rem !important;
    font-size: 1rem !important;
    border-radius: 0.375rem !important;
    transition: all 0.15s ease-in-out !important;
}

.btn:focus,
.btn:active:focus,
.btn.active:focus {
    outline: 0 !important;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25) !important;
}

.btn:disabled,
.btn.disabled {
    pointer-events: none !important;
    opacity: 0.65 !important;
}

/* ИСПРАВЛЕНИЕ 6: Исправления для мобильных устройств */
@media (max-width: 767.98px) {
    /* Навигация на мобильных */
    .navbar-brand {
        font-size: 1.125rem !important;
        margin-right: 0.5rem !important;
    }
    
    .navbar-brand .badge {
        font-size: 0.6rem !important;
        padding: 0.125rem 0.375rem !important;
    }
    
    .navbar-nav {
        width: 100% !important;
        flex-direction: column !important;
    }
    
    .nav-item {
        width: 100% !important;
        margin-bottom: 0.25rem !important;
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: 0.375rem !important;
        margin: 0 !important;
        width: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
    }
    
    .nav-link i {
        margin-right: 0.5rem !important;
        width: 1.25rem !important;
        text-align: left !important;
    }
    
    /* Карточки на мобильных */
    .card {
        margin-bottom: 1rem !important;
        border-radius: 0.5rem !important;
    }
    
    .stat-card-body {
        flex-direction: column !important;
        text-align: center !important;
        gap: 1rem !important;
    }
    
    .stat-card-content h4 {
        font-size: 1.75rem !important;
        margin-bottom: 0.25rem !important;
    }
    
    .stat-card-icon {
        width: 3rem !important;
        height: 3rem !important;
        font-size: 1.5rem !important;
    }
    
    /* Формы на мобильных */
    .form-control,
    .form-select {
        font-size: 1rem !important; /* Предотвращает zoom на iOS */
        padding: 0.75rem !important;
        border-radius: 0.375rem !important;
    }
    
    /* Модальные окна на мобильных */
    .modal-dialog {
        margin: 0.5rem !important;
        max-width: calc(100vw - 1rem) !important;
    }
    
    .modal-content {
        border-radius: 0.5rem !important;
    }
    
    .modal-body {
        padding: 1rem !important;
    }
    
    /* Кнопки на мобильных */
    .btn {
        min-height: 44px !important; /* Улучшенные touch targets */
        padding: 0.75rem 1rem !important;
        font-size: 0.9rem !important;
    }
    
    .btn-sm {
        min-height: 36px !important;
        padding: 0.5rem 0.75rem !important;
        font-size: 0.8rem !important;
    }
    
    /* Поиск на мобильных */
    .search-wrapper {
        position: relative !important;
        margin-bottom: 1rem !important;
    }
    
    .search-input {
        width: 100% !important;
        padding-left: 2.5rem !important;
        padding-right: 2.5rem !important;
        font-size: 1rem !important;
    }
    
    .search-icon {
        position: absolute !important;
        left: 0.75rem !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        color: #6c757d !important;
        pointer-events: none !important;
    }
    
    .search-clear {
        position: absolute !important;
        right: 0.75rem !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        background: none !important;
        border: none !important;
        color: #6c757d !important;
        cursor: pointer !important;
        padding: 0.25rem !important;
        border-radius: 50% !important;
    }
    
    /* Chat интерфейс на мобильных */
    .chat-list {
        max-height: 50vh !important;
        border-radius: 0.5rem !important;
    }
    
    .chat-item {
        padding: 1rem !important;
        border-radius: 0.5rem !important;
        margin-bottom: 0.5rem !important;
    }
    
    .chat-avatar {
        width: 3rem !important;
        height: 3rem !important;
        font-size: 1.25rem !important;
        flex-shrink: 0 !important;
    }
    
    .message-list {
        max-height: 40vh !important;
        padding: 1rem !important;
    }
    
    .message-composer {
        flex-direction: column !important;
        gap: 1rem !important;
        padding: 1rem !important;
    }
    
    .message-input {
        min-height: 100px !important;
        resize: vertical !important;
        font-size: 1rem !important;
    }
    
    .send-button {
        align-self: stretch !important;
        width: 100% !important;
        height: 3rem !important;
        border-radius: 0.5rem !important;
        font-size: 1rem !important;
    }
}

/* ИСПРАВЛЕНИЕ 7: Экстра-малые экраны */
@media (max-width: 575.98px) {
    .container-fluid {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
    
    .card-body {
        padding: 0.75rem !important;
    }
    
    .card-header {
        padding: 0.75rem !important;
        font-size: 0.9rem !important;
    }
    
    .stat-card-content h4 {
        font-size: 1.5rem !important;
    }
    
    .stat-card-content p {
        font-size: 0.7rem !important;
    }
    
    .navbar-brand {
        font-size: 1rem !important;
    }
    
    .navbar-brand .badge {
        display: none !important;
    }
    
    .btn {
        font-size: 0.8rem !important;
        padding: 0.5rem 0.75rem !important;
    }
    
    /* Скрыть некоторые элементы для экономии места */
    .card-header h5 i {
        display: none !important;
    }
    
    .metric-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.25rem !important;
        padding: 0.5rem 0 !important;
    }
    
    /* Упростить filter tabs */
    .filter-tabs {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.25rem !important;
    }
    
    .filter-tab {
        flex: 1 !important;
        min-width: 60px !important;
        font-size: 0.7rem !important;
        padding: 0.375rem 0.25rem !important;
        text-align: center !important;
    }
}

/* ИСПРАВЛЕНИЕ 8: Высокие DPI экраны */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .btn,
    .card,
    .form-control,
    .form-select {
        border-width: 0.5px !important;
    }
    
    .navbar {
        border-bottom-width: 0.5px !important;
    }
    
    .modal-content {
        border-width: 0.5px !important;
    }
}

/* ИСПРАВЛЕНИЕ 9: Ландшафтная ориентация на малых экранах */
@media (orientation: landscape) and (max-height: 500px) {
    .navbar {
        padding: 0.25rem 0 !important;
        min-height: auto !important;
    }
    
    .navbar-brand {
        font-size: 0.9rem !important;
        padding: 0.25rem 0 !important;
    }
    
    .stat-card-body {
        padding: 0.75rem !important;
    }
    
    .stat-card-content h4 {
        font-size: 1.25rem !important;
    }
    
    .card-body {
        padding: 0.75rem !important;
    }
    
    .modal-dialog {
        margin: 0.25rem !important;
        max-height: calc(100vh - 0.5rem) !important;
    }
    
    .modal-content {
        max-height: 100% !important;
        overflow-y: auto !important;
    }
}

/* ИСПРАВЛЕНИЕ 10: Touch device оптимизации */
@media (hover: none) and (pointer: coarse) {
    /* Убираем hover эффекты на touch устройствах */
    .btn:hover,
    .nav-link:hover,
    .card:hover,
    .account-card:hover,
    .stat-card:hover {
        transform: none !important;
        box-shadow: inherit !important;
    }
    
    /* Увеличиваем touch targets */
    .btn {
        min-height: 44px !important;
        min-width: 44px !important;
        padding: 0.75rem 1rem !important;
    }
    
    .nav-link {
        min-height: 44px !important;
        padding: 0.75rem 1rem !important;
    }
    
    .theme-toggle {
        min-height: 44px !important;
        min-width: 44px !important;
    }
    
    .search-clear,
    .btn-close {
        min-height: 44px !important;
        min-width: 44px !important;
    }
    
    /* Улучшаем feedback для touch */
    .btn:active {
        transform: scale(0.98) !important;
        transition: transform 0.1s !important;
    }
    
    .nav-link:active {
        background-color: rgba(0, 0, 0, 0.1) !important;
    }
}

/* ИСПРАВЛЕНИЕ 11: Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .btn::before,
    .nav-link::before,
    .card::before {
        display: none !important;
    }
}

/* ИСПРАВЛЕНИЕ 12: Высокий контраст для accessibility */
@media (prefers-contrast: high) {
    .btn {
        border-width: 2px !important;
    }
    
    .card {
        border-width: 2px !important;
    }
    
    .nav-link {
        border: 1px solid transparent !important;
    }
    
    .nav-link:focus,
    .nav-link.active {
        border-color: currentColor !important;
    }
}

/* ИСПРАВЛЕНИЕ 13: Fallback стили для старых браузеров */
.no-js .navbar-collapse {
    display: block !important;
}

.no-bootstrap {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

.no-bootstrap .container-fluid {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 15px !important;
}

.no-bootstrap .row {
    display: flex !important;
    flex-wrap: wrap !important;
    margin: 0 -15px !important;
}

.no-bootstrap .col-md-6 {
    flex: 0 0 50% !important;
    max-width: 50% !important;
    padding: 0 15px !important;
}

.no-bootstrap .btn {
    display: inline-block !important;
    padding: 8px 16px !important;
    background: #007bff !important;
    color: white !important;
    text-decoration: none !important;
    border-radius: 4px !important;
    border: none !important;
    cursor: pointer !important;
}

/* ИСПРАВЛЕНИЕ 14: Critical loading states */
.loading-overlay {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(255, 255, 255, 0.9) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: var(--z-loading) !important;
    backdrop-filter: blur(2px) !important;
}

.loading-content {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 1rem !important;
    text-align: center !important;
    padding: 2rem !important;
    background: white !important;
    border-radius: 0.5rem !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important;
}

/* ИСПРАВЛЕНИЕ 15: Error states */
.error-state {
    text-align: center !important;
    padding: 2rem 1rem !important;
    color: #6c757d !important;
    background: #f8f9fa !important;
    border-radius: 0.5rem !important;
    border: 1px solid #dee2e6 !important;
}

.error-state i {
    font-size: 2.5rem !important;
    color: #dc3545 !important;
    margin-bottom: 1rem !important;
}

.error-state h3 {
    color: #495057 !important;
    margin-bottom: 0.75rem !important;
    font-size: 1.25rem !important;
}

.error-state p {
    margin-bottom: 1rem !important;
    line-height: 1.5 !important;
}

.error-details {
    background: #e9ecef !important;
    border: 1px solid #ced4da !important;
    border-radius: 0.375rem !important;
    padding: 0.75rem !important;
    margin: 1rem 0 !important;
    font-family: monospace !important;
    font-size: 0.875rem !important;
    text-align: left !important;
}

/* ИСПРАВЛЕНИЕ 16: Toast notifications */
.toast {
    background: white !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 0.5rem !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important;
    max-width: 350px !important;
    font-size: 0.875rem !important;
}

.toast.success {
    border-left: 4px solid #28a745 !important;
}

.toast.error {
    border-left: 4px solid #dc3545 !important;
}

.toast.warning {
    border-left: 4px solid #ffc107 !important;
}

.toast.info {
    border-left: 4px solid #17a2b8 !important;
}

.toast-header {
    background: rgba(0, 0, 0, 0.03) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1) !important;
    padding: 0.5rem 0.75rem !important;
}

.toast-body {
    padding: 0.75rem !important;
    line-height: 1.4 !important;
}

/* ИСПРАВЛЕНИЕ 17: Connection status */
.connection-status {
    position: fixed !important;
    bottom: 1rem !important;
    left: 1rem !important;
    background: white !important;
    border: 1px solid #dee2e6 !important;
    border-radius: 2rem !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    z-index: var(--z-fixed) !important;
    transition: all 0.3s ease !important;
}

.connection-status.connected {
    border-color: #28a745 !important;
    color: #28a745 !important;
}

.connection-status.connecting {
    border-color: #ffc107 !important;
    color: #ffc107 !important;
}

.connection-status.disconnected {
    border-color: #dc3545 !important;
    color: #dc3545 !important;
}

.connection-status i {
    font-size: 1rem !important;
}

/* ИСПРАВЛЕНИЕ 18: Print styles */
@media print {
    .navbar,
    .theme-toggle,
    .connection-status,
    .toast-container,
    .loading-overlay,
    .modal,
    .dropdown-menu,
    .btn:not(.btn-outline-primary) {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
        break-inside: avoid !important;
        margin-bottom: 1rem !important;
    }
    
    .container-fluid {
        padding: 0 !important;
        max-width: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt !important;
        line-height: 1.4 !important;
    }
    
    .page-break {
        page-break-before: always !important;
    }
}

/* ИСПРАВЛЕНИЕ 19: Поддержка RTL языков */
[dir="rtl"] .navbar-brand {
    margin-left: 0.5rem !important;
    margin-right: 0 !important;
}

[dir="rtl"] .nav-link i {
    margin-left: 0.5rem !important;
    margin-right: 0 !important;
}

[dir="rtl"] .search-icon {
    left: auto !important;
    right: 0.75rem !important;
}

[dir="rtl"] .search-clear {
    right: auto !important;
    left: 0.75rem !important;
}

[dir="rtl"] .search-input {
    padding-left: 2.5rem !important;
    padding-right: 2.5rem !important;
}

/* ИСПРАВЛЕНИЕ 20: Дополнительные safeguards */
.critical-fix {
    position: relative !important;
    box-sizing: border-box !important;
}

.critical-fix * {
    box-sizing: border-box !important;
}

.critical-fix .btn,
.critical-fix .nav-link,
.critical-fix .form-control,
.critical-fix .form-select {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

/* Убеждаемся, что критические элементы всегда видны */
#app-loading,
#app-content,
#app-error-disabled {
    display: block !important;
}

#app-content[style*="display: none"] {
    display: none !important;
}

/* Финальные safeguards для критических элементов */
.navbar,
.container-fluid,
.card,
.btn {
    min-height: 1px !important;
    min-width: 1px !important;
}

/* Гарантия, что текст всегда читаемый */
body {
    font-size: 16px !important;
    line-height: 1.5 !important;
}

@media (max-width: 767px) {
    body {
        font-size: 14px !important;
    }
}

/* Последняя линия защиты от полного сбоя CSS */
.emergency-fallback * {
    font-family: Arial, sans-serif !important;
    color: #000 !important;
    background: #fff !important;
    padding: 0.5rem !important;
    margin: 0.25rem !important;
    border: 1px solid #ccc !important;
    display: block !important;
}