/**
 * Questions Panel Styles
 * 
 * Theme-aware styling using CSS variables from theme.css
 */

.questions-panel {
    padding: 0;
    min-height: 100%;
}

/* ============================================
   HEADER
============================================ */

.questions-panel .panel-header {
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.questions-panel .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.questions-panel .header-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.questions-panel .header-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.questions-panel .header-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.questions-panel .header-title p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0 0;
}

.questions-panel .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.questions-panel .btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.questions-panel .btn-secondary:hover {
    background: var(--hover-bg);
}

/* ============================================
   PANEL CONTENT
============================================ */

.questions-panel .panel-content {
    padding: 0 2rem 2rem;
}

/* ============================================
   ERROR BANNER
============================================ */

.questions-panel .error-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    color: #ef4444;
    margin: 0 2rem 1rem;
}

.questions-panel .error-banner button {
    margin-left: auto;
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    text-decoration: underline;
}

/* ============================================
   MODE SELECTION
============================================ */

.questions-mode-selection {
    max-width: 800px;
    margin: 0 auto;
}

.questions-mode-selection h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    text-align: center;
}

.questions-mode-selection .mode-hint {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.mode-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .mode-cards {
        grid-template-columns: 1fr;
    }
}

.mode-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.mode-card:hover {
    border-color: var(--mode-color, var(--accent-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mode-card .mode-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--mode-color) 0%, var(--mode-color) 100%);
    opacity: 0.15;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.mode-card .mode-icon svg {
    position: absolute;
    color: var(--mode-color);
    opacity: 1;
}

.mode-card .mode-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mode-card .mode-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.mode-card .mode-description {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.mode-card .mode-source {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.mode-card .mode-arrow {
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.mode-card:hover .mode-arrow {
    transform: translateX(4px);
    color: var(--mode-color);
}

/* ============================================
   STATS OVERVIEW
============================================ */

.stats-overview {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
}

.stats-overview h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
}

.stats-overview .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .stats-overview .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stats-overview .stat-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 8px;
}

.stats-overview .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stats-overview .stat-item.highlight {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
}

.stats-overview .stat-item.highlight .stat-value {
    color: #fff;
    font-size: 2rem;
}

.stats-overview .stat-item.highlight .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

.stats-overview .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stats-overview .stats-domains {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stats-overview .domains-count {
    font-weight: 600;
    color: var(--accent-color);
}

/* ============================================
   QUESTIONS BROWSER
============================================ */

.questions-browser {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Breadcrumb */
.questions-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.breadcrumb-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.breadcrumb-back:hover {
    background: var(--hover-bg);
    border-color: var(--accent-color);
}

.breadcrumb-path {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.breadcrumb-path svg {
    color: var(--text-muted);
}

.breadcrumb-item {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.breadcrumb-item.mode {
    color: var(--accent-color);
}

.mode-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: rgba(var(--accent-color-rgb, 99, 102, 241), 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--mode-color, var(--accent-color));
}

/* ============================================
   FILTERS
============================================ */

.questions-filters {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.questions-filter-section {
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.questions-filter-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 0.75rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.branch-chips,
.domain-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-chip {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-chip:hover {
    border-color: var(--accent-color);
    background: var(--hover-bg);
}

.filter-chip.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.loading-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   QUESTIONS LIST SECTION
============================================ */

.questions-list-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.questions-search {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.questions-search svg {
    color: var(--text-muted);
}

.questions-search input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

.questions-search .clear-search {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
}

.questions-search .clear-search:hover {
    color: var(--text-primary);
}

.questions-count {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 0 0.25rem;
}

.questions-count .page-info {
    color: var(--text-muted);
}

/* Loading & Empty States */
.loading-state,
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
}

.loading-state svg,
.empty-state svg {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.loading-state p,
.empty-state p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.empty-state span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   QUESTIONS LIST
============================================ */

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.question-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.question-card:hover {
    border-color: var(--accent-color);
}

.question-card.expanded {
    border-color: var(--accent-color);
}

.question-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    cursor: pointer;
}

.question-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 40px;
}

.question-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: transform 0.2s ease;
}

.question-card.expanded .expand-btn {
    color: var(--accent-color);
}

.question-details {
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: -0.5rem;
    padding-top: 1rem;
}

.detail-row {
    margin-bottom: 0.75rem;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.meta-tag.difficulty-easy {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.meta-tag.difficulty-medium {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.meta-tag.difficulty-hard {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.meta-tag.type,
.meta-tag.branch,
.meta-tag.domain,
.meta-tag.source {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* ============================================
   SOURCE BADGES (R=RAG, D=Database, A=API, F=Fallback)
   CRITICAL: These badges show the source of each question
============================================ */

.source-badge {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
    border-radius: 6px !important;
    font-size: 13px !important;
    font-weight: 800 !important;
    cursor: help !important;
    transition: all 0.2s ease !important;
    flex-shrink: 0 !important;
    margin-right: 8px !important;
    text-transform: uppercase !important;
    letter-spacing: 0 !important;
}

.source-badge.source-database {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: white !important;
    border: 2px solid rgba(16, 185, 129, 0.5) !important;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3) !important;
}

.source-badge.source-api {
    background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
    color: white !important;
    border: 2px solid rgba(59, 130, 246, 0.5) !important;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3) !important;
}

.source-badge.source-rag {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: white !important;
    border: 2px solid rgba(245, 158, 11, 0.5) !important;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3) !important;
}

.source-badge.source-fallback {
    background: linear-gradient(135deg, #6b7280, #4b5563) !important;
    color: white !important;
    border: 2px solid rgba(107, 114, 128, 0.5) !important;
    box-shadow: 0 2px 4px rgba(107, 114, 128, 0.3) !important;
}

.source-badge:hover {
    transform: scale(1.15) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
}

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

.questions-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

.pagination-pages {
    display: flex;
    gap: 0.375rem;
}

.page-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover {
    border-color: var(--accent-color);
}

.page-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

/* ============================================
   SELECTION GRID (BRANCHES/DOMAINS/MODES)
============================================ */

.selection-grid {
    max-width: 900px;
    margin: 0 auto;
}

.selection-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    text-align: center;
    justify-content: center;
}

.selection-hint {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cards-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.branches-grid {
    grid-template-columns: repeat(3, 1fr);
}

.domains-grid {
    grid-template-columns: repeat(3, 1fr);
}

.modes-grid {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .branches-grid,
    .domains-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modes-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 500px) {
    .branches-grid,
    .domains-grid,
    .modes-grid {
        grid-template-columns: 1fr;
    }
}

.selection-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.selection-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.selection-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    flex-shrink: 0;
}

.selection-card.mode-card .card-icon.mode-icon {
    background: var(--mode-color);
    opacity: 0.15;
    position: relative;
}

.selection-card.mode-card .card-icon.mode-icon svg {
    position: absolute;
    color: var(--mode-color);
    opacity: 1;
}

.selection-card .card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.selection-card .card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.selection-card .card-short,
.selection-card .card-id {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.selection-card .card-description {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.selection-card .card-arrow {
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.selection-card:hover .card-arrow {
    transform: translateX(4px);
    color: var(--accent-color);
}

/* ============================================
   BREADCRUMB NAVIGATION
============================================ */

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--hover-bg);
    border-color: var(--accent-color);
}

.breadcrumb-path {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.breadcrumb-item.clickable {
    cursor: pointer;
    color: var(--accent-color);
}

.breadcrumb-item.clickable:hover {
    text-decoration: underline;
}

.breadcrumb-item.branch {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-item.domain {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-item.mode {
    color: var(--accent-color);
    font-weight: 600;
}

/* ============================================
   QUESTIONS SECTION
============================================ */

.questions-section {
    max-width: 900px;
    margin: 0 auto;
}

.questions-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    max-width: 400px;
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
}

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

.search-box svg {
    color: var(--text-muted);
}

.add-question-btn {
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-color);
    border: 1px solid var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   QUESTION CARD ACTIONS
============================================ */

.question-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
}

.action-btn.delete-btn {
    color: var(--text-muted);
}

.action-btn.delete-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* ============================================
   MODAL STYLES
============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 16px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group textarea:focus {
    border-color: var(--accent-color);
}

.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-info {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.form-info p {
    margin: 0 0 0.25rem 0;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.form-info p:last-child {
    margin-bottom: 0;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ============================================
   LOADING & EMPTY STATES
============================================ */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.loading-state .spin {
    animation: spin 1s linear infinite;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    text-align: center;
}

.empty-state p {
    margin: 1rem 0 0.5rem 0;
    font-weight: 500;
    color: var(--text-primary);
}

.empty-state span {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* ============================================
   SOURCE SELECTION (RAG/Collected)
============================================ */

.source-grid {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .source-grid {
        grid-template-columns: 1fr;
    }
}

.selection-card.source-card {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-height: 160px;
}

.selection-card.source-card .card-icon.source-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
}

.selection-card.source-card.rag .card-icon.rag-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.selection-card.source-card .card-info {
    gap: 0.5rem;
}

.selection-card.source-card .card-name {
    font-size: 1.125rem;
}

.selection-card.source-card .card-description {
    font-size: 0.813rem;
    line-height: 1.5;
}

.selection-card.source-card .card-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.688rem;
    font-weight: 600;
    text-transform: uppercase;
}

.selection-card.source-card .rag-badge {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.selection-card.source-card .card-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.selection-card.source-card:hover {
    border-color: #3b82f6;
}

.selection-card.source-card.rag:hover {
    border-color: #8b5cf6;
}

.source-info {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-top: 1.5rem;
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.source-info svg {
    flex-shrink: 0;
    color: var(--accent-color);
    margin-top: 2px;
}

/* RAG Questions Indicator */
.questions-section .rag-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #8b5cf6;
    margin-left: auto;
}

/* Breadcrumb source styling */
.breadcrumb-item.source {
    color: #8b5cf6;
    font-weight: 600;
}