/**
 * IABT Chatbot - Admin Styles
 * Enhanced Manage Indexed Pages table with statistics, search, sorting, and bulk actions
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
    --iabt-admin-primary: #2271b1;
    --iabt-admin-primary-hover: #135e96;
    --iabt-admin-success: #00a32a;
    --iabt-admin-success-bg: #edfaef;
    --iabt-admin-warning: #dba617;
    --iabt-admin-warning-bg: #fcf9e8;
    --iabt-admin-danger: #d63638;
    --iabt-admin-danger-bg: #fcf0f1;
    --iabt-admin-neutral: #646970;
    --iabt-admin-neutral-bg: #f0f0f1;
    --iabt-admin-border: #c3c4c7;
    --iabt-admin-border-light: #dcdcde;
    --iabt-admin-shadow: rgba(0, 0, 0, 0.04);
    --iabt-admin-radius: 4px;
    --iabt-admin-transition: 0.15s ease-in-out;
}

/* ==========================================================================
   Statistics Dashboard
   ========================================================================== */
.iabt-kb-stats-dashboard {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.iabt-kb-stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 32px;
    background: #fff;
    border: 1px solid var(--iabt-admin-border-light);
    border-radius: var(--iabt-admin-radius);
    min-width: 140px;
    box-shadow: 0 1px 2px var(--iabt-admin-shadow);
    transition: box-shadow var(--iabt-admin-transition), border-color var(--iabt-admin-transition);
}

.iabt-kb-stat-card:hover {
    border-color: var(--iabt-admin-border);
    box-shadow: 0 2px 8px var(--iabt-admin-shadow);
}

.iabt-kb-stat-number {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.2;
    color: #1d2327;
}

.iabt-kb-stat-label {
    font-size: 13px;
    color: var(--iabt-admin-neutral);
    margin-top: 4px;
}

/* Stat card variants */
.iabt-kb-stat-card.iabt-kb-stat-total {
    border-left: 4px solid var(--iabt-admin-primary);
}

.iabt-kb-stat-card.iabt-kb-stat-total .iabt-kb-stat-number {
    color: var(--iabt-admin-primary);
}

.iabt-kb-stat-card.iabt-kb-stat-included {
    border-left: 4px solid var(--iabt-admin-success);
}

.iabt-kb-stat-card.iabt-kb-stat-included .iabt-kb-stat-number {
    color: var(--iabt-admin-success);
}

.iabt-kb-stat-card.iabt-kb-stat-excluded {
    border-left: 4px solid var(--iabt-admin-danger);
}

.iabt-kb-stat-card.iabt-kb-stat-excluded .iabt-kb-stat-number {
    color: var(--iabt-admin-danger);
}

/* ==========================================================================
   Toolbar (Search + Bulk Actions)
   ========================================================================== */
.iabt-kb-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid var(--iabt-admin-border-light);
    border-radius: var(--iabt-admin-radius);
    flex-wrap: wrap;
}

.iabt-kb-search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 320px;
}

.iabt-kb-search-wrapper::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23646970'%3E%3Cpath fill-rule='evenodd' d='M9 3.5a5.5 5.5 0 100 11 5.5 5.5 0 000-11zM2 9a7 7 0 1112.452 4.391l3.328 3.329a.75.75 0 11-1.06 1.06l-3.329-3.328A7 7 0 012 9z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
}

.iabt-kb-search-input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border: 1px solid var(--iabt-admin-border);
    border-radius: var(--iabt-admin-radius);
    font-size: 14px;
    transition: border-color var(--iabt-admin-transition), box-shadow var(--iabt-admin-transition);
}

.iabt-kb-search-input:focus {
    outline: none;
    border-color: var(--iabt-admin-primary);
    box-shadow: 0 0 0 1px var(--iabt-admin-primary);
}

.iabt-kb-search-input::placeholder {
    color: var(--iabt-admin-neutral);
}

.iabt-kb-bulk-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.iabt-kb-bulk-select {
    min-width: 160px;
    padding: 6px 12px;
    border: 1px solid var(--iabt-admin-border);
    border-radius: var(--iabt-admin-radius);
    background: #fff;
    font-size: 14px;
    cursor: pointer;
}

.iabt-kb-bulk-select:focus {
    outline: none;
    border-color: var(--iabt-admin-primary);
}

.iabt-kb-bulk-apply {
    padding: 6px 16px;
}

.iabt-kb-bulk-apply:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.iabt-kb-selected-count {
    font-size: 13px;
    color: var(--iabt-admin-neutral);
    margin-left: 8px;
}

.iabt-kb-selected-count.has-selection {
    color: var(--iabt-admin-primary);
    font-weight: 500;
}

/* ==========================================================================
   Enhanced Table
   ========================================================================== */
.iabt-kb-table-container {
    max-width: 1100px;
    overflow-x: auto;
}

.iabt-kb-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--iabt-admin-border-light);
    border-radius: var(--iabt-admin-radius);
    overflow: hidden;
}

.iabt-kb-table thead {
    background: var(--iabt-admin-neutral-bg);
}

.iabt-kb-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: #1d2327;
    border-bottom: 1px solid var(--iabt-admin-border-light);
    white-space: nowrap;
}

.iabt-kb-table td {
    padding: 12px 16px;
    font-size: 13px;
    color: #1d2327;
    border-bottom: 1px solid var(--iabt-admin-border-light);
    vertical-align: middle;
}

.iabt-kb-table tbody tr:last-child td {
    border-bottom: none;
}

.iabt-kb-table tbody tr:hover {
    background: #f9f9f9;
}

/* Checkbox column */
.iabt-kb-table th.iabt-kb-col-checkbox,
.iabt-kb-table td.iabt-kb-col-checkbox {
    width: 40px;
    text-align: center;
    padding-left: 12px;
    padding-right: 8px;
}

.iabt-kb-table input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Sortable columns */
.iabt-kb-sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 28px !important;
    transition: background-color var(--iabt-admin-transition);
}

.iabt-kb-sortable:hover {
    background-color: #e9e9e9;
}

.iabt-kb-sortable:focus {
    outline: 2px solid var(--iabt-admin-primary);
    outline-offset: -2px;
}

.iabt-kb-sort-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    opacity: 0.4;
    transition: opacity var(--iabt-admin-transition);
}

.iabt-kb-sortable:hover .iabt-kb-sort-icon {
    opacity: 0.7;
}

.iabt-kb-sortable[aria-sort="ascending"] .iabt-kb-sort-icon,
.iabt-kb-sortable[aria-sort="descending"] .iabt-kb-sort-icon {
    opacity: 1;
}

.iabt-kb-sort-icon--asc {
    display: none;
}

.iabt-kb-sort-icon--desc {
    display: none;
}

.iabt-kb-sort-icon--default {
    display: block;
}

.iabt-kb-sortable[aria-sort="ascending"] .iabt-kb-sort-icon--asc {
    display: block;
}

.iabt-kb-sortable[aria-sort="ascending"] .iabt-kb-sort-icon--default {
    display: none;
}

.iabt-kb-sortable[aria-sort="descending"] .iabt-kb-sort-icon--desc {
    display: block;
}

.iabt-kb-sortable[aria-sort="descending"] .iabt-kb-sort-icon--default {
    display: none;
}

/* Row states */
.iabt-kb-row--excluded {
    background-color: var(--iabt-admin-danger-bg) !important;
}

.iabt-kb-row--excluded:hover {
    background-color: #f9e5e6 !important;
}

.iabt-kb-row--processing {
    opacity: 0.6;
    pointer-events: none;
}

/* Status badges */
.iabt-kb-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 12px;
}

.iabt-kb-status--included {
    background: var(--iabt-admin-success-bg);
    color: var(--iabt-admin-success);
}

.iabt-kb-status--excluded {
    background: var(--iabt-admin-danger-bg);
    color: var(--iabt-admin-danger);
}

/* Action buttons */
.iabt-kb-toggle-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: var(--iabt-admin-radius);
    cursor: pointer;
    transition: all var(--iabt-admin-transition);
    border: 1px solid;
    background: #fff;
}

.iabt-kb-toggle-btn--exclude {
    color: var(--iabt-admin-danger);
    border-color: var(--iabt-admin-danger);
}

.iabt-kb-toggle-btn--exclude:hover {
    background: var(--iabt-admin-danger);
    color: #fff;
}

.iabt-kb-toggle-btn--include {
    color: var(--iabt-admin-success);
    border-color: var(--iabt-admin-success);
}

.iabt-kb-toggle-btn--include:hover {
    background: var(--iabt-admin-success);
    color: #fff;
}

.iabt-kb-toggle-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.iabt-kb-toggle-btn.is-loading {
    position: relative;
    color: transparent !important;
}

.iabt-kb-toggle-btn.is-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: iabt-spin 0.6s linear infinite;
}

@keyframes iabt-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Title link */
.iabt-kb-title-link {
    color: var(--iabt-admin-primary);
    text-decoration: none;
    font-weight: 500;
}

.iabt-kb-title-link:hover {
    color: var(--iabt-admin-primary-hover);
    text-decoration: underline;
}

/* No results */
.iabt-kb-no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--iabt-admin-neutral);
}

.iabt-kb-no-results td {
    padding: 40px 20px !important;
}

.iabt-kb-no-results-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.iabt-kb-no-results-text {
    font-size: 14px;
    margin: 0;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.iabt-kb-toast-container {
    position: fixed;
    top: 50px;
    right: 20px;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.iabt-kb-toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fff;
    border-radius: var(--iabt-admin-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 280px;
    max-width: 400px;
    pointer-events: auto;
    animation: iabt-toast-in 0.3s ease-out;
    border-left: 4px solid;
}

.iabt-kb-toast.is-leaving {
    animation: iabt-toast-out 0.3s ease-out forwards;
}

@keyframes iabt-toast-in {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes iabt-toast-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.iabt-kb-toast--success {
    border-left-color: var(--iabt-admin-success);
}

.iabt-kb-toast--success .iabt-kb-toast-icon {
    color: var(--iabt-admin-success);
}

.iabt-kb-toast--error {
    border-left-color: var(--iabt-admin-danger);
}

.iabt-kb-toast--error .iabt-kb-toast-icon {
    color: var(--iabt-admin-danger);
}

.iabt-kb-toast--warning {
    border-left-color: var(--iabt-admin-warning);
}

.iabt-kb-toast--warning .iabt-kb-toast-icon {
    color: var(--iabt-admin-warning);
}

.iabt-kb-toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.iabt-kb-toast-message {
    flex: 1;
    font-size: 13px;
    color: #1d2327;
    line-height: 1.4;
}

.iabt-kb-toast-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--iabt-admin-neutral);
    font-size: 18px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity var(--iabt-admin-transition);
}

.iabt-kb-toast-close:hover {
    opacity: 1;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media screen and (max-width: 782px) {
    .iabt-kb-stats-dashboard {
        gap: 12px;
    }

    .iabt-kb-stat-card {
        flex: 1 1 calc(50% - 12px);
        min-width: 120px;
        padding: 16px 20px;
    }

    .iabt-kb-stat-number {
        font-size: 24px;
    }

    .iabt-kb-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .iabt-kb-search-wrapper {
        max-width: none;
    }

    .iabt-kb-bulk-actions {
        flex-wrap: wrap;
    }

    .iabt-kb-table th,
    .iabt-kb-table td {
        padding: 10px 12px;
    }

    /* Hide less important columns on mobile */
    .iabt-kb-col-type,
    .iabt-kb-col-updated {
        display: none;
    }
}

@media screen and (max-width: 480px) {
    .iabt-kb-stat-card {
        flex: 1 1 100%;
    }

    .iabt-kb-toast-container {
        left: 20px;
        right: 20px;
    }

    .iabt-kb-toast {
        min-width: auto;
    }
}

/* ==========================================================================
   Legacy fallback form (no-JS)
   ========================================================================== */
.iabt-kb-legacy-form {
    display: inline;
}

.js .iabt-kb-legacy-form {
    display: none;
}

/* When JS is disabled, hide AJAX-only elements */
.no-js .iabt-kb-toggle-btn[data-ajax-only],
.no-js .iabt-kb-bulk-actions {
    display: none;
}