/**
 * Modern Pagination Styles for Helpi Dashboard
 * Используйте эти стили для всех GridView и ListView в приложении
 *
 * Применение в Yii2:
 *
 * GridView::widget([
 *     'dataProvider' => $dataProvider,
 *     'pager' => [
 *         'class' => 'yii\bootstrap5\LinkPager',
 *         'options' => ['class' => 'pagination justify-content-center'],
 *         'linkOptions' => ['class' => 'page-link'],
 *         'activePageCssClass' => 'active',
 *         'disabledPageCssClass' => 'disabled',
 *         'prevPageLabel' => '<i class="fas fa-chevron-left"></i>',
 *         'nextPageLabel' => '<i class="fas fa-chevron-right"></i>',
 *         'firstPageLabel' => '<i class="fas fa-angle-double-left"></i>',
 *         'lastPageLabel' => '<i class="fas fa-angle-double-right"></i>',
 *     ],
 * ]);
 */

:root {
    /* Light Theme Defaults */
    --pagination-primary: #4f46e5;
    --pagination-hover: #4338ca;
    --pagination-light: #eef2ff;
    --pagination-text: #6b7280;
    --pagination-muted: #9ca3af;
    --pagination-border: #e5e7eb;
    --pagination-bg: #ffffff;
    --pagination-disabled-bg: #f9fafb;
    --pagination-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* Dark Theme Overrides (Attribute based for JS switcher) */
[data-bs-theme="dark"] {
    --pagination-primary: #6366f1;
    --pagination-hover: #818cf8;
    --pagination-light: #312e81;
    --pagination-text: #e2e8f0;
    --pagination-muted: #94a3b8;
    --pagination-border: #334155;
    --pagination-bg: #1e293b;       /* Dark card background */
    --pagination-disabled-bg: #0f172a; /* Even darker background */
    --pagination-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
}

/* Fallback for system preference if no JS attribute is set */
@media (prefers-color-scheme: dark) {
    :root:not([data-bs-theme="light"]) {
        --pagination-primary: #6366f1;
        --pagination-hover: #818cf8;
        --pagination-light: #312e81;
        --pagination-text: #e2e8f0;
        --pagination-muted: #94a3b8;
        --pagination-border: #334155;
        --pagination-bg: #1e293b;
        --pagination-disabled-bg: #0f172a;
        --pagination-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
    }
}

/* ========== PAGINATION CONTAINER ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.375rem;
    margin: 2rem 0 1rem;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

/* ========== PAGE ITEMS ========== */
.page-item {
    margin: 0;
}

/* ========== PAGE LINKS ========== */
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;   /* Slightly reduced for better fit */
    height: 2.5rem;
    padding: 0 0.5rem;   /* Flexible padding */
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pagination-text);
    background-color: var(--pagination-bg);
    border: 1px solid var(--pagination-border);
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    user-select: none;
}

.page-link:hover {
    color: var(--pagination-primary);
    background-color: var(--pagination-light);
    border-color: var(--pagination-primary);
    transform: translateY(-2px);
    box-shadow: var(--pagination-shadow);
    z-index: 2;
}

.page-link:active {
    transform: translateY(0);
}

.page-link:focus {
    outline: 2px solid var(--pagination-primary);
    outline-offset: 2px;
    box-shadow: none;
}

/* ========== ACTIVE STATE ========== */
.page-item.active .page-link {
    color: #ffffff;
    background-color: var(--pagination-primary);
    border-color: var(--pagination-primary);
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4); /* Colored shadow for active */
    cursor: default;
    z-index: 3;
}

.page-item.active .page-link:hover {
    transform: none;
    color: #ffffff;
    background-color: var(--pagination-primary);
}

/* ========== DISABLED STATE ========== */
.page-item.disabled .page-link {
    color: var(--pagination-muted);
    background-color: var(--pagination-disabled-bg);
    border-color: var(--pagination-border);
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

/* ========== FIRST/LAST/PREV/NEXT BUTTONS ========== */
.page-item:first-child .page-link,
.page-item:last-child .page-link,
.page-item .page-link i {
    font-weight: 600;
}

/* Icons in navigation buttons */
.page-link i.fas {
    font-size: 0.75rem; /* Smaller icons for better alignment */
}

/* ========== ELLIPSIS ========== */
.page-item.disabled .page-link[aria-label="..."] {
    background-color: transparent;
    border-color: transparent;
    color: var(--pagination-muted);
    cursor: default;
    opacity: 0.7;
}

/* ========== RESPONSIVE PAGINATION ========== */

/* Tablet (< 992px) */
@media (max-width: 991.98px) {
    .pagination {
        gap: 0.25rem;
        margin: 1.5rem 0 0.75rem;
    }

    .page-link {
        min-width: 2.5rem;
        height: 2.5rem;
        font-size: 0.875rem;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767.98px) {
    .pagination {
        gap: 0.25rem;
        margin: 1.25rem 0 0.5rem;
    }

    .page-link {
        min-width: 2.25rem;
        height: 2.25rem;
        padding: 0 0.375rem;
        font-size: 0.8125rem;
    }

    /* Hide first/last buttons on mobile to save space */
    .page-item:first-child,
    .page-item:last-child {
        display: none;
    }

    /* Show only prev, next and limited page numbers */
    .page-item:nth-child(n+3):nth-last-child(n+3) {
        display: none;
    }

    /* Keep active page and adjacent pages visible */
    .page-item.active,
    .page-item.active + .page-item,
    .page-item:has(+ .page-item.active) {
        display: flex;
    }
}

/* Small Mobile (< 576px) */
@media (max-width: 575.98px) {
    .pagination {
        gap: 0.125rem;
        margin: 1rem 0 0.25rem;
    }

    .page-link {
        min-width: 2rem;
        height: 2rem;
        font-size: 0.75rem;
        border-radius: 0.375rem;
    }
}

/* ========== PAGINATION SUMMARY ========== */
.pagination-summary {
    text-align: center;
    color: var(--pagination-text);
    font-size: 0.875rem;
    margin-top: 1rem;
    font-weight: 500;
}

/* ========== ALTERNATIVE COMPACT STYLE ========== */
.pagination.pagination-compact {
    gap: 0.125rem;
}

.pagination-compact .page-link {
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.25rem;
    font-size: 0.8125rem;
    border-radius: 0.375rem;
}

/* ========== ALTERNATIVE PILLS STYLE ========== */
.pagination.pagination-pills .page-link {
    border-radius: 2rem;
    min-width: 2.5rem;
    padding: 0 1rem;
}

/* ========== ANIMATION HELPERS ========== */
.pagination-loading {
    opacity: 0.5;
    pointer-events: none;
}

@keyframes pagination-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pagination-loading .page-link {
    animation: pagination-pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}