/* ============================================
   Active Research Jobs - Stylesheet
   ============================================ */

:root {
    /* Color System */
    --rja-primary: #8b1538;
    --rja-primary-hover: #6d1028;
    --rja-primary-light: #f5e8ec;
    --rja-text-primary: #1a1a1a;
    --rja-text-secondary: #6b7280;
    --rja-text-muted: #6b7280; /* Fixed: was #9ca3af (fails WCAG AA), now 4.6:1 contrast */
    --rja-border: #e5e7eb;
    --rja-border-hover: #d1d5db;
    --rja-bg-primary: #ffffff;
    --rja-bg-secondary: #f9fafb;
    --rja-bg-hover: #f3f4f6;
    --rja-success: #059669;
    --rja-warning: #d97706;
    --rja-info: #0284c7;
    /* Spacing Scale */
    --rja-space-xs: 0.5rem;
    --rja-space-sm: 0.75rem;
    --rja-space-md: 1rem;
    --rja-space-lg: 1.5rem;
    --rja-space-xl: 2rem;
    --rja-space-2xl: 3rem;
    /* Typography */
    --rja-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --rja-font-mono: "SF Mono", Monaco, "Cascadia Code", "Courier New", monospace;
    /* Border Radius */
    --rja-radius-sm: 0.375rem;
    --rja-radius-md: 0.5rem;
    --rja-radius-lg: 0.75rem;
    /* Shadows */
    --rja-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --rja-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --rja-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    /* Transitions */
    --rja-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Layout & Container
   ============================================ */

.rja {
    background: transparent;
    padding: 0;
    margin: 0;
    min-height: auto;
}

.rja-container {
    max-width: 100%;
    padding: 0;
}

#vt_body_col:has(.rja) {
    max-width: 90%;
    flex: 0 0 100%;
}

/* Reset the negative top offset that the VT One theme applies
   (it expects .vt-page-info to provide a dark padded area above,
   but we hide the page title so there's nothing to overlap into). */
#vt_one_content_area:has(.rja) {
    top: 0;
}

.rja-header {
    margin-bottom: var(--rja-space-xl);
}

.rja-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--rja-primary);
    margin: 0 0 var(--rja-space-sm) 0;
    line-height: 1.2;
}

.rja-subtitle {
    font-size: 1rem;
    color: var(--rja-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Filter Card
   ============================================ */

.rja-filter-card {
    background: var(--rja-bg-primary);
    border: 1px solid var(--rja-border);
    border-radius: var(--rja-radius-lg);
    padding: var(--rja-space-lg);
    margin-bottom: var(--rja-space-md);
    box-shadow: var(--rja-shadow-sm);
}

/* Primary Row: Search + Quick Actions */
.rja-filter-row-primary {
    display: flex;
    gap: var(--rja-space-md);
    align-items: flex-start;
    flex-wrap: wrap;
}

.rja-search-wrapper {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.rja-search-icon {
    position: absolute;
    left: var(--rja-space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--rja-text-muted);
    pointer-events: none;
}

.rja-search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-md);
    font-size: 1rem;
    color: var(--rja-text-primary);
    transition: var(--rja-transition);
    background: var(--rja-bg-primary);
}

    .rja-search-input:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

    .rja-search-input::placeholder {
        color: var(--rja-text-muted);
    }

.rja-quick-actions {
    display: flex;
    gap: var(--rja-space-sm);
    align-items: center;
    flex-wrap: wrap;
}

.rja-control-group {
    display: flex;
    align-items: center;
    gap: var(--rja-space-xs);
}

.rja-label-inline {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rja-text-secondary);
    white-space: nowrap;
    margin: 0;
}

.rja-select-compact {
    padding: 0.625rem 2rem 0.625rem 0.75rem;
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-md);
    font-size: 0.875rem;
    color: var(--rja-text-primary);
    background: var(--rja-bg-primary) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.5rem center/14px;
    appearance: none;
    cursor: pointer;
    transition: var(--rja-transition);
    min-width: 100px;
}

    .rja-select-compact:hover {
        border-color: var(--rja-border-hover);
    }

    .rja-select-compact:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

/* Secondary Row: Collapsible Taxonomy Filters */
.rja-filter-row-secondary {
    padding-top: var(--rja-space-lg);
    border-top: 1px solid var(--rja-border);
    margin-top: var(--rja-space-lg);
}

.rja-filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--rja-space-xs);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--rja-text-secondary);
    cursor: pointer;
    padding: var(--rja-space-xs) 0;
    list-style: none;
    user-select: none;
}

.rja-filter-toggle::-webkit-details-marker {
    display: none;
}

.rja-filter-toggle::marker {
    display: none;
    content: '';
}

.rja-filter-toggle svg {
    transition: var(--rja-transition);
}

.rja-filter-count {
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--rja-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.rja-filter-row-secondary[open] .rja-filter-grid {
    margin-top: var(--rja-space-md);
}

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

.rja-field-compact {
    display: flex;
    flex-direction: column;
    gap: var(--rja-space-xs);
}

.rja-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rja-text-primary);
    margin: 0;
}

.rja-select {
    padding: 0.75rem 2.5rem 0.75rem 0.875rem;
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-md);
    font-size: 0.9375rem;
    color: var(--rja-text-primary);
    background: var(--rja-bg-primary) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.75rem center/16px;
    appearance: none;
    cursor: pointer;
    transition: var(--rja-transition);
}

    .rja-select:hover {
        border-color: var(--rja-border-hover);
        background-color: var(--rja-bg-hover);
    }

    .rja-select:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

/* ============================================
   Active Filter Chips
   ============================================ */

.rja-chip-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rja-space-xs);
    margin-bottom: var(--rja-space-lg);
}

.rja-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--rja-primary-light);
    color: var(--rja-primary);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--rja-transition);
    cursor: pointer;
}

    .rja-chip:hover {
        background: var(--rja-primary);
        color: white;
        text-decoration: none;
    }

    .rja-chip svg {
        flex-shrink: 0;
        opacity: 0.7;
    }

    .rja-chip:hover svg {
        opacity: 1;
    }

.rja-chip-clear {
    background: transparent;
    color: var(--rja-text-secondary);
    border: 1px dashed var(--rja-border);
}

    .rja-chip-clear:hover {
        background: var(--rja-bg-hover);
        color: var(--rja-text-primary);
        border-color: var(--rja-border-hover);
    }

/* ============================================
   Buttons
   ============================================ */

.rja-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--rja-space-xs);
    padding: 0.75rem 1.5rem;
    background: var(--rja-primary);
    color: white;
    border: none;
    border-radius: var(--rja-radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--rja-transition);
    text-decoration: none;
    white-space: nowrap;
}

    .rja-btn-primary:hover {
        background: var(--rja-primary-hover);
        transform: translateY(-1px);
        box-shadow: var(--rja-shadow-md);
    }

    .rja-btn-primary:active {
        transform: translateY(0);
    }

    .rja-btn-primary:focus {
        outline: none;
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

.rja-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: var(--rja-space-xs);
    padding: 0.75rem 1.25rem;
    background: transparent;
    color: var(--rja-text-secondary);
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--rja-transition);
    text-decoration: none;
    white-space: nowrap;
}

    .rja-btn-ghost:hover {
        background: var(--rja-bg-hover);
        border-color: var(--rja-border-hover);
        color: var(--rja-text-primary);
    }

    .rja-btn-ghost:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

/* ============================================
   Results Meta
   ============================================ */

.rja-results-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--rja-space-lg);
    padding: var(--rja-space-md) 0;
    flex-wrap: wrap;
    gap: var(--rja-space-md);
}

.rja-count {
    font-size: 1rem;
    color: var(--rja-text-secondary);
}

    .rja-count strong {
        color: var(--rja-text-primary);
        font-size: 1.125rem;
    }

.rja-query {
    color: var(--rja-text-muted);
}

    .rja-query strong {
        color: var(--rja-primary);
    }

.rja-page-info {
    font-size: 0.875rem;
    color: var(--rja-text-muted);
}

/* ============================================
   Loading Overlay
   ============================================ */

.rja-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--rja-space-sm);
    padding: var(--rja-space-xl);
    color: var(--rja-text-secondary);
    font-size: 0.9375rem;
}

.rja-loading[hidden] {
    display: none;
}

.rja-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--rja-border);
    border-top-color: var(--rja-primary);
    border-radius: 50%;
    animation: rja-spin 0.6s linear infinite;
}

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

/* ============================================
   Results List & Cards
   ============================================ */

.rja-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rja-result-card {
    background: var(--rja-bg-primary);
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-lg);
    padding: var(--rja-space-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--rja-transition);
    display: block;
    position: relative;
}

    .rja-result-card:hover {
        border-color: var(--rja-primary);
        box-shadow: var(--rja-shadow-md);
        transform: translateY(-2px);
        text-decoration: none;
        color: inherit;
    }

    .rja-result-card:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 4px var(--rja-primary-light);
    }

.rja-result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--rja-space-sm);
    gap: var(--rja-space-md);
}

.rja-result-code-section {
    display: flex;
    align-items: center;
    gap: var(--rja-space-sm);
}

.rja-code {
    font-family: var(--rja-font-mono);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--rja-primary);
    background: var(--rja-primary-light);
    padding: 0.375rem 0.75rem;
    border-radius: var(--rja-radius-sm);
}

.rja-level-badge {
    font-size: 0.8125rem;
    color: var(--rja-text-secondary);
    font-weight: 600;
    background: var(--rja-bg-secondary);
    padding: 0.25rem 0.625rem;
    border-radius: var(--rja-radius-sm);
    border: 1px solid var(--rja-border);
}

.rja-result-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--rja-text-primary);
    margin: 0 0 var(--rja-space-sm) 0;
    line-height: 1.4;
}

.rja-result-card:hover .rja-result-title {
    color: var(--rja-primary);
}

/* Taxonomy pill tags */
.rja-result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.rja-tag {
    display: inline-flex;
    padding: 0.25rem 0.625rem;
    background: var(--rja-bg-secondary);
    border-radius: 999px;
    font-size: 0.8125rem;
    color: var(--rja-text-secondary);
    border: 1px solid var(--rja-border);
}

/* ============================================
   Badges
   ============================================ */

.rja-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--rja-radius-md);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.rja-badge-published {
    background: #d1fae5;
    color: var(--rja-success);
}

.rja-badge-draft {
    background: #fef3c7;
    color: var(--rja-warning);
}

.rja-badge-archived {
    background: #e5e7eb;
    color: var(--rja-text-secondary);
}

/* ============================================
   Empty State
   ============================================ */

.rja-empty-state {
    text-align: center;
    padding: var(--rja-space-2xl) var(--rja-space-xl);
    background: var(--rja-bg-primary);
    border: 2px dashed var(--rja-border);
    border-radius: var(--rja-radius-lg);
}

.rja-empty-icon {
    color: var(--rja-text-muted);
    margin-bottom: var(--rja-space-lg);
}

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

.rja-empty-text {
    font-size: 1rem;
    color: var(--rja-text-secondary);
    margin: 0 0 var(--rja-space-xl) 0;
}

/* ============================================
   Pagination
   ============================================ */

.rja-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--rja-space-xl);
    padding: var(--rja-space-lg);
    background: var(--rja-bg-primary);
    border: 1px solid var(--rja-border);
    border-radius: var(--rja-radius-lg);
    gap: var(--rja-space-sm);
    flex-wrap: wrap;
}

.rja-page-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--rja-space-xs);
    padding: 0.625rem 1.25rem;
    background: var(--rja-bg-primary);
    color: var(--rja-text-primary);
    border: 2px solid var(--rja-border);
    border-radius: var(--rja-radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--rja-transition);
}

    .rja-page-btn:hover {
        background: var(--rja-bg-hover);
        border-color: var(--rja-primary);
        color: var(--rja-primary);
    }

    .rja-page-btn:focus {
        outline: none;
        border-color: var(--rja-primary);
        box-shadow: 0 0 0 3px var(--rja-primary-light);
    }

.rja-page-btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.rja-page-btn-num {
    min-width: 2.75rem;
    justify-content: center;
    padding: 0.625rem 0.875rem;
}

.rja-page-btn-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    padding: 0.625rem 0.875rem;
    background: var(--rja-primary);
    color: #fff;
    border: 2px solid var(--rja-primary);
    border-radius: var(--rja-radius-md);
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: default;
    pointer-events: none;
}

.rja-page-ellipsis {
    color: var(--rja-text-secondary);
    padding: 0 var(--rja-space-xs);
    user-select: none;
    font-size: 0.9375rem;
}

.rja-page-current {
    font-size: 0.9375rem;
    color: var(--rja-text-secondary);
}

    .rja-page-current strong {
        color: var(--rja-text-primary);
    }

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .rja-filter-row-primary {
        flex-direction: column;
    }

    .rja-search-wrapper {
        width: 100%;
    }

    .rja-quick-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .rja {
        padding: var(--rja-space-lg) var(--rja-space-md);
    }

    .rja-title {
        font-size: 1.75rem;
    }

    .rja-filter-card {
        padding: var(--rja-space-md);
    }

    .rja-filter-grid {
        grid-template-columns: 1fr;
    }

    .rja-quick-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .rja-control-group {
        width: 100%;
        justify-content: space-between;
    }

    .rja-btn-primary,
    .rja-btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .rja-result-header {
        flex-direction: column;
    }

    .rja-result-title {
        font-size: 1.0625rem;
    }

    .rja-pagination {
        flex-direction: row;
        flex-wrap: wrap;
        text-align: center;
        justify-content: space-between;
    }

    .rja-page-btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    /* On mobile, collapse to Prev / Next only — the numbered window
       wraps poorly on narrow screens and the "Page X of Y" indicator
       in the results meta already gives users their bearings. */
    .rja-page-btn-num,
    .rja-page-btn-current,
    .rja-page-ellipsis {
        display: none;
    }

    .rja-chip-bar {
        gap: 0.375rem;
    }
}

@media (max-width: 480px) {
    .rja-result-code-section {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--rja-space-xs);
    }

    .rja-result-tags {
        gap: 0.25rem;
    }

    .rja-tag {
        font-size: 0.75rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .rja-filter-card,
    .rja-pagination,
    .rja-chip-bar,
    .rja-loading {
        display: none;
    }

    .rja-result-card {
        break-inside: avoid;
        border-color: #000;
    }
}

/* ============================================
   Dark Mode Support
   ============================================ */

@media (prefers-color-scheme: dark) {
    :root {
        --rja-text-primary: #f3f4f6;
        --rja-text-secondary: #d1d5db;
        --rja-text-muted: #9ca3af;
        --rja-border: #374151;
        --rja-border-hover: #4b5563;
        --rja-bg-primary: #1f2937;
        --rja-bg-secondary: #111827;
        --rja-bg-hover: #374151;
        --rja-primary-light: #4c1d2f;
    }

    .rja-search-input,
    .rja-select,
    .rja-select-compact {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23d1d5db' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    }
}

/* ============================================
   Accessibility Enhancements
   ============================================ */

.rja-result-card:focus-visible,
.rja-btn-primary:focus-visible,
.rja-btn-ghost:focus-visible,
.rja-page-btn:focus-visible,
.rja-chip:focus-visible {
    outline: 3px solid var(--rja-primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Layout Integration Fix
   ============================================ */

body.rja-index .rja {
    background: transparent !important;
    padding: 0 !important;
    min-height: auto !important;
}

body.rja-index .general-body {
    background: var(--rja-bg-secondary);
}