/**
 * Regulation Manager Component Styles
 * Phase 9: Regulation Management Module
 * Following design_standart.md requirements
 */

/* ✅ ПРАВИЛЬНО: С адаптивными единицами, микроанимациями, мобильной адаптивностью */

/* CSS переменные */
.regulation-manager {
    --regulation-spacing: clamp(1rem, 2vw, 1.5rem);
    --regulation-card-radius: 12px;
    --regulation-card-shadow: 0 2px 4px rgba(0, 0, 0, 0.05), 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Основной контейнер */
.regulation-manager {
    padding: var(--regulation-spacing);
    max-width: min(1400px, 100% - 2rem);
    margin: 0 auto;
}

/* Заголовок */
.regulation-manager-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--regulation-spacing);
    gap: var(--regulation-spacing);
}

.regulation-manager-header h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin: 0;
}

/* Фильтры */
.regulation-manager-filters {
    display: flex;
    gap: var(--regulation-spacing);
    margin-bottom: var(--regulation-spacing);
    flex-wrap: wrap;
}

.regulation-manager-filters .input,
.regulation-manager-filters .select {
    flex: 1;
    min-width: min(200px, 100%);
}

/* Список регламентов */
.regulation-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
    gap: var(--regulation-spacing);
}

/* Карточка регламента */
.regulation-card {
    background: var(--surface);
    border-radius: var(--regulation-card-radius);
    padding: var(--regulation-spacing);
    box-shadow: var(--regulation-card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
}

.regulation-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.15);
}

.regulation-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--regulation-spacing);
    margin-bottom: calc(var(--regulation-spacing) * 0.5);
}

.regulation-card-title {
    font-size: clamp(1.125rem, 3vw, 1.25rem);
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.regulation-card-description {
    color: var(--text-secondary);
    font-size: clamp(0.875rem, 2vw, 1rem);
    margin: calc(var(--regulation-spacing) * 0.5) 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.regulation-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: calc(var(--regulation-spacing) * 0.5);
    gap: var(--regulation-spacing);
}

.regulation-card-code {
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-disabled);
}

/* Детальный просмотр */
.regulation-detail {
    background: var(--surface);
    border-radius: var(--regulation-card-radius);
    padding: var(--regulation-spacing);
    box-shadow: var(--regulation-card-shadow);
    animation: fadeIn 0.3s ease-out;
}

.regulation-detail-header {
    display: flex;
    align-items: center;
    gap: var(--regulation-spacing);
    margin-bottom: var(--regulation-spacing);
}

.regulation-detail-header h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin: 0;
}

.regulation-detail-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
    gap: var(--regulation-spacing);
    margin-bottom: var(--regulation-spacing);
    padding: var(--regulation-spacing);
    background: var(--surface-hover);
    border-radius: calc(var(--regulation-card-radius) * 0.75);
}

.info-item {
    display: flex;
    align-items: center;
    gap: calc(var(--regulation-spacing) * 0.5);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
}

.regulation-detail-content {
    margin-top: var(--regulation-spacing);
}

.content-viewer {
    padding: var(--regulation-spacing);
    background: var(--surface-hover);
    border-radius: calc(var(--regulation-card-radius) * 0.75);
    line-height: 1.6;
    color: var(--text-primary);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Skeleton */
.skeleton-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
    gap: var(--regulation-spacing);
}

.skeleton-card {
    background: var(--surface);
    border-radius: var(--regulation-card-radius);
    padding: var(--regulation-spacing);
    box-shadow: var(--regulation-card-shadow);
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface) 0%,
        var(--surface-hover) 50%,
        var(--surface) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text:last-child {
    width: 60%;
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    min-height: 300px;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-disabled);
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.empty-state-description {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
}

.empty-state-action {
    margin-top: var(--spacing-md);
}

/* Error state */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    min-height: 300px;
}

.error-state i {
    font-size: 4rem;
    color: var(--error);
    opacity: 0.7;
}

.error-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.error-state p {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #5a7fa8 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(44, 95, 141, 0.3);
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #f39c12 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(243, 156, 18, 0.3);
}

.badge-success {
    background: linear-gradient(135deg, var(--success) 0%, #2ecc71 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(46, 204, 113, 0.3);
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2c5f8d 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(26, 58, 82, 0.3);
}

.badge-disabled {
    background: linear-gradient(135deg, var(--text-disabled) 0%, #95a5a6 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(149, 165, 166, 0.3);
}

/* Мобильная адаптивность */
/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.breadcrumb-link {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-current {
    color: var(--text-secondary);
}

.breadcrumbs i {
    color: var(--text-disabled);
    font-size: 0.75rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px; /* Touch target */
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--surface-hover);
    border-color: var(--primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ✅ ПРАВИЛЬНО: Mobile-first подход */

/* Mobile (default, до 480px) */
.regulation-manager {
    padding: var(--spacing-md);
}

.regulation-manager-header {
    flex-direction: column;
    align-items: stretch;
}

.regulation-list {
    grid-template-columns: 1fr;
}

.regulation-card-footer {
    flex-direction: column;
    align-items: stretch;
}

.regulation-detail-info {
    grid-template-columns: 1fr;
}

.regulation-detail-title-group {
    flex-direction: column;
    align-items: stretch;
}

.regulation-detail-actions {
    flex-direction: column;
    width: 100%;
}

.pagination {
    flex-direction: column;
    gap: var(--spacing-sm);
}

.pagination-btn {
    width: 100%;
    justify-content: center;
}

/* Small tablets (480px+) */
@media (min-width: 480px) {
    .regulation-manager {
        padding: var(--spacing-lg);
    }
    
    .regulation-manager-header {
        flex-direction: row;
        align-items: center;
    }
    
    .regulation-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pagination {
        flex-direction: row;
    }
    
    .pagination-btn {
        width: auto;
    }
}

/* Medium tablets (640px+) */
@media (min-width: 640px) {
    .regulation-manager-filters {
        flex-wrap: nowrap;
    }
}

/* Tablets (768px+) */
@media (min-width: 768px) {
    .regulation-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regulation-detail-title-group {
        flex-direction: row;
        align-items: center;
    }
    
    .regulation-detail-actions {
        flex-direction: row;
        width: auto;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .regulation-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large desktop (1440px+) */
@media (min-width: 1440px) {
    .regulation-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Версии */
.regulation-versions-section {
    margin: var(--regulation-spacing) 0;
    padding: var(--regulation-spacing);
    background: var(--surface-hover);
    border-radius: calc(var(--regulation-card-radius) * 0.75);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h3 {
    margin: 0;
    font-size: clamp(1.125rem, 3vw, 1.25rem);
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    gap: var(--spacing-md);
}

.version-card {
    background: var(--surface);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.version-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.version-current {
    border: 2px solid var(--primary);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.version-number {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--primary);
}

.version-summary {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: var(--spacing-sm) 0;
    line-height: 1.5;
}

.version-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-disabled);
}

.version-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.content-header {
    margin-bottom: var(--spacing-md);
}

.change-summary {
    color: var(--text-secondary);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.regulation-detail-title-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: var(--spacing-md);
}

.regulation-detail-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Модальное окно */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: var(--spacing-md);
}

.modal-overlay.active {
    opacity: 1;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--regulation-card-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: min(600px, 100%);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-large {
    max-width: min(800px, 100%);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    margin: 0;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

/* Форма */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: var(--error);
}

.form-group .input,
.form-group .textarea,
.form-group .select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-group .input:focus,
.form-group .textarea:focus,
.form-group .select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.textarea-large {
    min-height: 300px;
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-disabled);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--error);
}

.form-error-global {
    padding: var(--spacing-md);
    background: rgba(var(--error-rgb), 0.1);
    border: 1px solid var(--error);
    border-radius: 8px;
    color: var(--error);
    margin-bottom: var(--spacing-lg);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

/* Уведомления */
.notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--regulation-card-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--regulation-card-shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 10001;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    min-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-success i {
    color: var(--success);
}

.notification-error {
    border-left: 4px solid var(--error);
}

.notification-error i {
    color: var(--error);
}

.notification-info {
    border-left: 4px solid var(--primary);
}

.notification-info i {
    color: var(--primary);
}

/* Checkbox list */
.users-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: background 0.2s ease;
    min-height: 44px; /* Touch target */
}

.checkbox-label:hover {
    background: var(--surface-hover);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    min-width: 18px;
    min-height: 18px;
}

/* Мобильная адаптивность для модального окна */
@media (max-width: 768px) {
    .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .modal-overlay {
        padding: 0;
    }
    
    .notification {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        min-width: auto;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}