/**
 * Operations Table Styles
 * Academy Phase 1 - Batch 1.1: Рабочие таблицы для Operations Manager
 * 
 * Стили следуют стандартам design_standart.md:
 * - Mobile-first подход
 * - Адаптивные единицы (clamp, min, max)
 * - Микроанимации
 * - CSS переменные
 * - 4+ брейкпоинта
 */

/* ========== Container ========== */
.operations-table-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    background: var(--background);
    color: var(--text-primary);
    font-family: var(--font-family);
}

/* ========== Header ========== */
.operations-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-title {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-title i {
    color: var(--accent);
    font-size: 1.2em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ========== Layout (Sidebar + Main) ========== */
.operations-table-sidebar,
.operations-table-main {
    display: flex;
    flex-direction: column;
}

/* Mobile: вертикальная компоновка */
.operations-table-container {
    flex-direction: column;
}

.operations-table-sidebar {
    width: 100%;
    max-height: 300px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.operations-table-main {
    flex: 1;
    overflow: hidden;
}

/* Tablet: горизонтальная компоновка */
@media (min-width: 768px) {
    .operations-table-container {
        flex-direction: row;
    }
    
    .operations-table-sidebar {
        width: clamp(250px, 30vw, 320px);
        max-height: none;
        border-bottom: none;
        border-right: 1px solid var(--border);
    }
    
    .operations-table-main {
        flex: 1;
        min-width: 0;
    }
}

/* ========== Sidebar ========== */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.sidebar-header h3 {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.table-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    background: var(--surface);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
}

.table-list-item:nth-child(1) { animation-delay: 0.05s; }
.table-list-item:nth-child(2) { animation-delay: 0.1s; }
.table-list-item:nth-child(3) { animation-delay: 0.15s; }
.table-list-item:nth-child(4) { animation-delay: 0.2s; }
.table-list-item:nth-child(5) { animation-delay: 0.25s; }

.table-list-item:hover {
    background: var(--surface-hover);
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 2px 8px var(--shadow);
}

.table-list-item.active {
    background: var(--accent-alpha);
    border-color: var(--accent);
    color: var(--accent);
}

.table-item-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

.table-item-content i {
    color: var(--accent);
    font-size: 1.1em;
    flex-shrink: 0;
}

.table-item-info {
    flex: 1;
    min-width: 0;
}

.table-item-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-item-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.table-item-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

/* ========== Main Content ========== */
.operations-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.table-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.table-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: clamp(0.875rem, 2vw, 1rem);
}

.table-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ========== Filters Panel ========== */
.operations-table-filters {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

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

.filters-header h4 {
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.filters-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-item label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-type,
.filter-value {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition);
}

.filter-type:focus,
.filter-value:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

.filters-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    grid-column: 1 / -1;
}

/* ========== Table ========== */
.operations-table-content {
    flex: 1;
    overflow: auto;
    background: var(--surface);
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.operations-table {
    width: 100%;
    border-collapse: collapse;
    font-size: clamp(0.75rem, 1.5vw, 0.875rem);
}

.operations-table thead {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--surface);
}

.operations-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--surface);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    position: relative;
}

.th-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.th-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition);
}

.operations-table th:hover .th-actions {
    opacity: 1;
}

.operations-table th.sort-asc::after {
    content: ' ▲';
    color: var(--accent);
    font-size: 0.75em;
}

.operations-table th.sort-desc::after {
    content: ' ▼';
    color: var(--accent);
    font-size: 0.75em;
}

.operations-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

.operations-table tbody tr {
    transition: background-color var(--transition);
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
}

.operations-table tbody tr:hover {
    background: var(--surface-hover);
}

.operations-table tbody tr.group-header {
    background: var(--accent-alpha);
    font-weight: 600;
}

.group-header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.group-header-content i {
    color: var(--accent);
}

.group-count {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: auto;
}

.operations-table tbody tr.group-row {
    background: var(--surface-alt);
}

/* ========== Empty States ========== */
.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: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

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

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

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

.empty-row {
    text-align: center;
    padding: var(--spacing-2xl) !important;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: var(--surface);
    color: var(--text-primary);
    font-size: clamp(0.75rem, 1.5vw, 0.875rem);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    touch-action: manipulation;
    min-height: 44px; /* Touch target */
    will-change: transform, box-shadow;
}

.btn:hover {
    background: var(--surface-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--text-inverse);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-active) 100%);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    min-height: 36px;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition);
    touch-action: manipulation;
    min-width: 44px; /* Touch target */
    min-height: 44px;
}

.btn-icon:hover {
    background: var(--surface-hover);
    color: var(--accent);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* Desktop: меньшие кнопки */
@media (min-width: 768px) {
    .btn {
        min-height: 36px;
    }
    
    .btn-icon {
        min-width: 32px;
        min-height: 32px;
    }
}

/* ========== Modals ========== */
.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: var(--z-modal);
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px var(--shadow-lg);
    width: min(90vw, 500px);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
}

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

.modal-header h3 {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

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

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="file"] {
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* ========== Skeleton Screens ========== */
.skeleton-container {
    padding: var(--spacing-lg);
}

.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%;
}

/* ========== Animations ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.3s ease-out;
    animation-fill-mode: both;
}

/* ========== Mobile Optimizations ========== */
@media (max-width: 768px) {
    /* Компактный toolbar */
    .operations-table-toolbar {
        flex-direction: row;
        align-items: center;
        padding: var(--mobile-spacing-md);
        gap: var(--mobile-spacing-sm);
        flex-wrap: wrap;
    }

    .toolbar-left {
        flex: 1;
        min-width: 0;
    }

    .toolbar-actions {
        display: flex;
        gap: var(--mobile-spacing-xs);
        flex-wrap: wrap;
    }

    .toolbar-actions .btn {
        min-height: var(--touch-target-min);
        padding: var(--mobile-spacing-sm) var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-sm);
    }

    .table-info {
        gap: var(--mobile-spacing-xs);
    }

    .table-name {
        font-size: var(--mobile-font-size-base);
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
        max-width: 100%;
        min-width: 0;
    }

    .table-count {
        font-size: var(--mobile-font-size-xs);
    }

    /* Таблица → Карточки на мобильных */
    .operations-table-content {
        padding: var(--mobile-spacing-md);
    }

    .table-wrapper {
        display: none; /* Скрываем таблицу на мобильных */
    }

    /* Карточки вместо таблицы */
    .mobile-table-cards {
        display: flex;
        flex-direction: column;
        gap: var(--mobile-spacing-md);
    }

    .mobile-table-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: var(--mobile-spacing-lg);
        position: relative;
        overflow: hidden;
        transition: all 0.2s ease;
    }

    .mobile-table-card:active {
        transform: scale(0.98);
        box-shadow: 0 2px 4px var(--shadow);
    }

    .mobile-table-card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: var(--mobile-spacing-md);
        padding-bottom: var(--mobile-spacing-sm);
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-table-card-index {
        font-size: var(--mobile-font-size-xs);
        color: var(--text-secondary);
        font-weight: 600;
    }

    .mobile-table-card-actions {
        display: flex;
        gap: var(--mobile-spacing-xs);
    }

    .mobile-table-card-body {
        display: flex;
        flex-direction: column;
        gap: var(--mobile-spacing-sm);
    }

    .mobile-table-card-field {
        display: flex;
        flex-direction: column;
        gap: var(--mobile-spacing-xs);
    }

    .mobile-table-card-label {
        font-size: var(--mobile-font-size-xs);
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        max-width: 100%;
    }

    .mobile-table-card-value {
        font-size: var(--mobile-font-size-base);
        color: var(--text-primary);
        word-break: break-word;
        word-wrap: break-word;
        overflow-wrap: break-word;
        max-width: 100%;
        min-width: 0;
    }
    
    .mobile-table-card {
        max-width: 100%;
        overflow-x: hidden;
        word-wrap: break-word;
    }
    
    .mobile-table-card-header,
    .mobile-table-card-body {
        max-width: 100%;
        overflow-x: hidden;
        word-wrap: break-word;
    }
    
    .mobile-table-card-field {
        max-width: 100%;
        min-width: 0;
        word-wrap: break-word;
    }

    /* Swipe actions */
    .mobile-swipe-container {
        position: relative;
        overflow: hidden;
        touch-action: pan-y;
    }

    .mobile-swipe-actions {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        display: flex;
        align-items: center;
        gap: var(--mobile-spacing-sm);
        padding: 0 var(--mobile-spacing-md);
        background: var(--error);
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .mobile-swipe-container.swiped .mobile-swipe-actions {
        transform: translateX(0);
    }

    .mobile-swipe-action {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        border-radius: 8px;
        touch-action: manipulation;
    }

    /* Фильтры в bottom sheet */
    .operations-table-filters {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--surface);
        border-radius: 20px 20px 0 0;
        max-height: 80vh;
        overflow-y: auto;
        z-index: var(--z-modal);
        box-shadow: 0 -4px 12px var(--shadow-lg);
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding: var(--mobile-spacing-lg);
        padding-bottom: calc(var(--mobile-spacing-lg) + env(safe-area-inset-bottom));
    }

    .operations-table-filters.open {
        transform: translateY(0);
    }

    /* Overlay для фильтров на мобильных */
    .operations-table-filters-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: calc(var(--z-modal) - 1);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .operations-table-filters-overlay.active {
        opacity: 1;
        pointer-events: all;
    }

    .filters-header {
        margin-bottom: var(--mobile-spacing-lg);
        padding-bottom: var(--mobile-spacing-md);
        border-bottom: 1px solid var(--border);
    }

    .filters-content {
        grid-template-columns: 1fr;
        gap: var(--mobile-spacing-md);
    }

    .filter-item {
        gap: var(--mobile-spacing-sm);
    }

    .filter-item label {
        font-size: var(--mobile-font-size-sm);
    }

    .filter-type,
    .filter-value {
        padding: var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-base);
        min-height: var(--touch-target-min);
    }

    .filters-actions {
        margin-top: var(--mobile-spacing-lg);
        gap: var(--mobile-spacing-md);
    }

    .filters-actions .btn {
        flex: 1;
        min-height: var(--touch-target-min);
    }
}

/* Показываем таблицу только на десктопе */
@media (min-width: 769px) {
    .mobile-table-cards {
        display: none;
    }
}

/* Показываем карточки только на мобильных */
@media (max-width: 768px) {
    .table-wrapper {
        display: none;
    }
}

@media (max-width: 480px) {
    .operations-table-header {
        flex-direction: column;
        align-items: stretch;
        padding: var(--mobile-spacing-md);
    }
    
    .header-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .header-actions .btn {
        flex: 1;
        min-height: var(--touch-target-min);
    }
}

/* ========== Tablet Optimizations ========== */
@media (min-width: 480px) and (max-width: 768px) {
    .filters-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== Desktop Optimizations ========== */
@media (min-width: 1024px) {
    .operations-table-sidebar {
        width: clamp(280px, 25vw, 350px);
    }
}

/* ========== Large Desktop ========== */
@media (min-width: 1440px) {
    .operations-table-container {
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.btn-icon:focus-visible,
.filter-type:focus-visible,
.filter-value:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ========== Print Styles ========== */
@media print {
    .operations-table-sidebar,
    .operations-table-header,
    .operations-table-toolbar,
    .operations-table-filters {
        display: none;
    }
    
    .operations-table-main {
        width: 100%;
    }
    
    .operations-table {
        font-size: 10pt;
    }
}