/**
 * RAG Questions Panel - FINAL BOSS UI
 * Premium Design System with Animations
 */

/* ===== Panel Container - Premium Glass Effect ===== */
.rag-panel {
    padding: 32px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated Background Gradient */
.rag-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 40%),
                radial-gradient(circle at 40% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 40%);
    animation: rag-bg-drift 30s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes rag-bg-drift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -1%) rotate(1deg); }
    66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

.rag-panel > * {
    position: relative;
    z-index: 1;
}

/* ===== Header Styles - Hero Section ===== */
.rag-panel .panel-header {
    margin-bottom: 32px;
    padding: 28px 32px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: 24px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.rag-panel .panel-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #8b5cf6, #6366f1, #3b82f6, #8b5cf6);
    background-size: 200% 100%;
    animation: header-gradient-flow 3s linear infinite;
}

@keyframes header-gradient-flow {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.rag-panel .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.rag-panel .header-title {
    display: flex;
    align-items: center;
    gap: 20px;
}

.rag-panel .header-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
}

.rag-panel .header-icon-wrapper.brain {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #4f46e5 100%);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.4), 
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    animation: brain-pulse 3s ease-in-out infinite;
}

@keyframes brain-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 12px 32px rgba(139, 92, 246, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 16px 40px rgba(139, 92, 246, 0.5); }
}

.rag-panel .header-icon-wrapper.brain svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.rag-panel .header-title h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.rag-panel .header-title p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 6px 0 0;
    font-weight: 500;
}

.rag-panel .header-content > .btn {
    padding: 12px 20px !important;
    font-weight: 600;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3) !important;
    backdrop-filter: blur(10px);
    color: var(--text-primary) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.rag-panel .header-content > .btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.5) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
}

.rag-panel .header-content > .btn svg {
    transition: transform 0.5s ease;
}

.rag-panel .header-content > .btn:hover svg {
    transform: rotate(180deg);
}

/* ===== Alerts - Premium Notification Style ===== */
.rag-panel .alert {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-radius: 16px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    animation: alert-slide-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes alert-slide-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.rag-panel .alert-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.08) 100%);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.15);
}

.rag-panel .alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.08) 100%);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.15);
}

/* ===== Stats Grid - Premium Cards ===== */
.rag-panel .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

@media (max-width: 1200px) {
    .rag-panel .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .rag-panel .stats-grid {
        grid-template-columns: 1fr;
    }
}

.rag-panel .stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.rag-panel .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.rag-panel .stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12),
                0 0 0 1px rgba(139, 92, 246, 0.3);
}

.rag-panel .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
    transition: transform 0.3s ease;
}

.rag-panel .stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(-5deg);
}

.rag-panel .stat-icon.upload {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.rag-panel .stat-icon.trained {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.35);
}

.rag-panel .stat-icon.questions {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.35);
}

.rag-panel .stat-icon.collections {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
}

.rag-panel .stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rag-panel .stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

.rag-panel .stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Danger Zone - Premium Warning Section ===== */
.rag-panel .danger-zone {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(239, 68, 68, 0.03) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 20px;
    padding: 20px 24px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.rag-panel .danger-zone-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    color: #ef4444;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rag-panel .danger-zone-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.rag-panel .danger-zone .btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
    font-weight: 600;
}

.rag-panel .danger-zone .btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.rag-panel .danger-zone .btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    font-weight: 600;
}

.rag-panel .danger-zone .btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* ===== View Tabs - Pill Navigation ===== */
.rag-panel .view-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    padding: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    width: fit-content;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.rag-panel .tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border: none;
    border-radius: 14px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.rag-panel .tab-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rag-panel .tab-btn:hover::before {
    opacity: 1;
}

.rag-panel .tab-btn:hover {
    color: var(--text-primary);
}

.rag-panel .tab-btn.active {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
}

.rag-panel .tab-btn.active::before {
    display: none;
}

.rag-panel .tab-btn svg {
    transition: transform 0.3s ease;
}

.rag-panel .tab-btn:hover svg {
    transform: scale(1.1);
}

/* ===== Content Area ===== */
.rag-panel .rag-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.rag-panel section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rag-panel section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
}

.rag-panel section h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 24px;
}

.rag-panel section h3 svg {
    color: #8b5cf6;
}

/* ===== Upload Zone - Premium Dropzone ===== */
.rag-panel .upload-zone {
    border: 2px dashed rgba(139, 92, 246, 0.4);
    border-radius: 20px;
    padding: 56px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, rgba(99, 102, 241, 0.02) 100%);
    overflow: hidden;
}

.rag-panel .upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.rag-panel .upload-zone:hover {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(99, 102, 241, 0.04) 100%);
    transform: scale(1.01);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
}

.rag-panel .upload-zone:hover::before {
    opacity: 1;
}

.rag-panel .upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.rag-panel .upload-label svg {
    color: #8b5cf6;
    transition: transform 0.3s ease;
}

.rag-panel .upload-zone:hover .upload-label svg {
    transform: scale(1.15) translateY(-4px);
}

.rag-panel .upload-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.rag-panel .upload-hint {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.rag-panel .upload-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 600;
    animation: progress-fade-in 0.3s ease;
}

@keyframes progress-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.rag-panel .upload-progress.uploading {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
    color: #3b82f6;
}

.rag-panel .upload-progress.success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.08) 100%);
    color: #22c55e;
}

.rag-panel .upload-progress.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.08) 100%);
    color: #ef4444;
}

/* ===== Train All Section ===== */
.rag-panel .train-all-section {
    display: flex;
    justify-content: center;
}

.rag-panel .train-all-btn {
    padding: 16px 32px !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
    border: none !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35) !important;
    color: #fff !important;
    position: relative;
    overflow: hidden;
}

.rag-panel .train-all-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
}

.rag-panel .train-all-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(249, 115, 22, 0.45) !important;
}

/* ===== PDF Grid - Premium Cards ===== */
.rag-panel .pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

.rag-panel .pdf-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.rag-panel .pdf-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rag-panel .pdf-card:hover::before {
    opacity: 1;
}

.rag-panel .pdf-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(139, 92, 246, 0.1);
}

.rag-panel .pdf-card.trained {
    border-color: rgba(34, 197, 94, 0.3);
}

.rag-panel .pdf-card.trained::before {
    background: linear-gradient(90deg, #22c55e, #10b981);
    opacity: 1;
}

.rag-panel .pdf-icon {
    position: relative;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8b5cf6;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.rag-panel .pdf-card:hover .pdf-icon {
    transform: scale(1.05) rotate(-3deg);
}

.rag-panel .pdf-card.trained .pdf-icon {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.05) 100%);
    color: #22c55e;
}

.rag-panel .trained-badge {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 8px rgba(34, 197, 94, 0.3);
}

.rag-panel .pdf-info {
    flex: 1;
    min-width: 0;
}

.rag-panel .pdf-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rag-panel .pdf-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.rag-panel .pdf-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.rag-panel .pdf-meta svg {
    opacity: 0.7;
}

.rag-panel .pdf-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.rag-panel .status-trained {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #22c55e;
    padding: 8px 14px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.08) 100%);
    border-radius: 10px;
}

/* ===== Loading & Empty States ===== */
.rag-panel .loading-state,
.rag-panel .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

.rag-panel .loading-state svg,
.rag-panel .empty-state svg {
    color: #8b5cf6;
    opacity: 0.5;
    margin-bottom: 16px;
}

.rag-panel .loading-state p,
.rag-panel .empty-state p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.rag-panel .empty-state span {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== Buttons - Premium Style ===== */
.rag-panel .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.rag-panel .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.rag-panel .btn-sm {
    padding: 10px 14px;
    font-size: 13px;
    border-radius: 10px;
}

.rag-panel .btn-primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.rag-panel .btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

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

.rag-panel .btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

.rag-panel .btn-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.rag-panel .btn-info:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.rag-panel .btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.rag-panel .btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

/* Spin Animation */
.rag-panel .spin {
    animation: spin 1s linear infinite;
}

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

/* ===== Search Section - Premium Style ===== */
.rag-panel .search-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}

.rag-panel .search-input-wrap {
    flex: 1;
    min-width: 280px;
    position: relative;
    display: flex;
    align-items: center;
}

.rag-panel .search-input-wrap svg {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.rag-panel .search-input-wrap input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.rag-panel .search-input-wrap input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

.rag-panel .search-filters {
    display: flex;
    gap: 12px;
}

.rag-panel .search-filters select {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.rag-panel .search-filters select:focus {
    outline: none;
    border-color: #8b5cf6;
}

.rag-panel .search-results {
    margin-top: 24px;
}

.rag-panel .search-results h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.rag-panel .result-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.rag-panel .result-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.rag-panel .result-question {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.rag-panel .result-question svg {
    color: #8b5cf6;
    flex-shrink: 0;
    margin-top: 2px;
}

.rag-panel .result-question span {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
}

.rag-panel .result-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.rag-panel .result-meta .score {
    font-size: 13px;
    font-weight: 600;
    color: #22c55e;
    padding: 6px 12px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 8px;
}

.rag-panel .result-meta .tag {
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rag-panel .result-meta .tag.type {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.rag-panel .result-meta .tag.difficulty {
    background: rgba(249, 115, 22, 0.1);
    color: #f97316;
}

/* ===== Stats Details Section ===== */
.rag-panel .stats-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rag-panel .stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-radius: 14px;
    border: 1px solid var(--border-color);
}

.rag-panel .stat-row span:first-child {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.rag-panel .stat-value-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: rgba(139, 92, 246, 0.1);
    padding: 6px 12px;
    border-radius: 8px;
}

/* ===== Collections List ===== */
.rag-panel .collections-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rag-panel .collection-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.3s ease;
}

.rag-panel .collection-item:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateX(4px);
}

.rag-panel .collection-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.rag-panel .collection-count {
    font-size: 13px;
    font-weight: 600;
    color: #8b5cf6;
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 10px;
}

/* ===== Modal Styles ===== */
.rag-panel .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: modal-overlay-in 0.3s ease;
}

@keyframes modal-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.rag-panel .modal,
.rag-panel .train-config-modal,
.rag-panel .training-summary-modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
    animation: modal-slide-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modal-slide-in {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.rag-panel .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.rag-panel .modal-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.rag-panel .modal-title svg {
    color: #8b5cf6;
}

.rag-panel .modal-title h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.rag-panel .modal-close {
    background: var(--bg-tertiary);
    border: none;
    border-radius: 12px;
    padding: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.rag-panel .modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.rag-panel .modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* ===== Form Groups ===== */
.rag-panel .config-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rag-panel .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rag-panel .form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.rag-panel .form-group label svg {
    color: #8b5cf6;
}

.rag-panel .form-group select,
.rag-panel .form-group input {
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.rag-panel .form-group select:focus,
.rag-panel .form-group input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

/* ===== Training Summary Modal - Premium Style ===== */
.rag-panel .training-summary-modal {
    max-width: 700px;
}

.rag-panel .summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.rag-panel .summary-stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.rag-panel .summary-stat-card.highlight {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-color: rgba(139, 92, 246, 0.3);
}

.rag-panel .summary-stat-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.rag-panel .summary-stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rag-panel .summary-stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.rag-panel .summary-stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.rag-panel .summary-section {
    margin-bottom: 24px;
}

.rag-panel .summary-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.rag-panel .domain-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rag-panel .domain-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rag-panel .domain-info {
    min-width: 160px;
}

.rag-panel .domain-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.rag-panel .domain-count {
    font-size: 12px;
    color: var(--text-muted);
}

.rag-panel .domain-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.rag-panel .domain-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #6366f1);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.rag-panel .domain-percentage {
    font-size: 13px;
    font-weight: 700;
    color: #8b5cf6;
    min-width: 50px;
    text-align: right;
}

.rag-panel .branch-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.rag-panel .branch-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
}

.rag-panel .branch-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.rag-panel .branch-count {
    font-size: 13px;
    font-weight: 700;
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
    padding: 4px 10px;
    border-radius: 8px;
}

/* ===== Training Result Section ===== */
.rag-panel .train-result {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(34, 197, 94, 0.03) 100%);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.rag-panel .result-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.rag-panel .result-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 16px 20px;
    min-width: 140px;
}

.rag-panel .result-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 6px;
}

.rag-panel .result-value {
    font-size: 24px;
    font-weight: 800;
    color: #22c55e;
}

.rag-panel .result-breakdown {
    flex-basis: 100%;
}

.rag-panel .breakdown-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.rag-panel .tag {
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.rag-panel .tag-branch {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.rag-panel .tag-domain {
    background: rgba(236, 72, 153, 0.1);
    color: #ec4899;
}

/* ===== Delete Modal Specific ===== */
.rag-panel .delete-modal {
    max-width: 800px;
}

.rag-panel .questions-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    margin: 16px 0;
}

.rag-panel .question-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.rag-panel .question-item:last-child {
    border-bottom: none;
}

.rag-panel .question-item:hover {
    background: var(--bg-tertiary);
}

.rag-panel .question-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #8b5cf6;
    cursor: pointer;
}

.rag-panel .question-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}

/* ===== Clear All Modal - Danger Styling ===== */
.rag-panel .clear-all-modal {
    max-width: 500px;
}

.rag-panel .danger-warning {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: center;
}

.rag-panel .danger-warning svg {
    color: #ef4444;
    margin-bottom: 12px;
}

.rag-panel .danger-warning p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.rag-panel .danger-warning strong {
    color: #ef4444;
}

.rag-panel .confirmation-checks {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.rag-panel .confirmation-checks label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
}

.rag-panel .confirmation-checks input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #ef4444;
}

.rag-panel .password-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.rag-panel .password-input:focus {
    outline: none;
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .rag-panel {
        padding: 16px;
    }
    
    .rag-panel .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .rag-panel .view-tabs {
        width: 100%;
        overflow-x: auto;
    }
    
    .rag-panel .pdf-grid {
        grid-template-columns: 1fr;
    }
    
    .rag-panel .pdf-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .rag-panel .pdf-actions {
        width: 100%;
        justify-content: flex-end;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }
    
    .rag-panel .search-form {
        flex-direction: column;
    }
    
    .rag-panel .search-filters {
        width: 100%;
    }
    
    .rag-panel .search-filters select {
        flex: 1;
    }
}

/* ===== Training Result ===== */
.rag-panel .train-result {
    background: var(--success-bg);
    border-color: var(--success);
}

.rag-panel .result-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.rag-panel .result-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rag-panel .result-label {
    font-size: 12px;
    color: var(--text-muted);
}

.rag-panel .result-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--success);
}

.rag-panel .result-breakdown {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rag-panel .result-breakdown.classification {
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.rag-panel .breakdown-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.rag-panel .tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.rag-panel .tag-branch {
    background: var(--info-bg);
    color: var(--info);
}

.rag-panel .tag-domain {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent);
}

.rag-panel .tag-more {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* ===== Stats Section ===== */
.rag-panel .stats-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rag-panel .stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 10px;
}

.rag-panel .stat-row span:first-child {
    color: var(--text-secondary);
    font-size: 14px;
}

.rag-panel .stat-value-text {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== Collections ===== */
.rag-panel .collections-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rag-panel .collection-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.rag-panel .collection-name {
    font-weight: 600;
    color: var(--text-primary);
}

.rag-panel .collection-count {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Search Section ===== */
.rag-panel .search-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rag-panel .search-input-wrap {
    position: relative;
    flex: 1;
}

.rag-panel .search-input-wrap svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.rag-panel .search-input-wrap input {
    width: 100%;
    padding: 14px 14px 14px 44px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
}

.rag-panel .search-input-wrap input:focus {
    outline: none;
    border-color: var(--primary);
}

.rag-panel .search-input-wrap input::placeholder {
    color: var(--text-muted);
}

.rag-panel .search-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.rag-panel .search-filters select {
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
}

/* ===== Search Results ===== */
.rag-panel .search-results {
    margin-top: 24px;
}

.rag-panel .search-results h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0 0 16px;
}

.rag-panel .result-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.rag-panel .result-question {
    display: flex;
    gap: 10px;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

.rag-panel .result-question svg {
    flex-shrink: 0;
    color: var(--accent);
    margin-top: 2px;
}

.rag-panel .result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.rag-panel .score {
    font-size: 12px;
    color: var(--text-muted);
}

.rag-panel .result-meta .tag.type {
    background: var(--info-bg);
    color: var(--info);
}

.rag-panel .result-meta .tag.difficulty {
    background: var(--warning-bg);
    color: var(--warning);
}

/* ===== Loading & Empty States ===== */
.rag-panel .loading-state,
.rag-panel .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-muted);
    text-align: center;
}

.rag-panel .loading-state svg,
.rag-panel .empty-state svg {
    margin-bottom: 16px;
    opacity: 0.4;
}

.rag-panel .empty-state.small {
    padding: 32px;
}

/* ===== Animations ===== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.rag-panel .spin {
    animation: spin 1s linear infinite;
}

/* ===== Training Summary Modal ===== */
.training-summary-modal {
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
}

.training-summary-modal .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.05));
}

.training-summary-modal .modal-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.training-summary-modal .modal-title svg {
    color: var(--success);
}

.training-summary-modal .modal-title h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.training-summary-modal .modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

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

.training-summary-modal .modal-body {
    padding: 24px;
}

/* Summary Stats */
.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.summary-stat-card.highlight {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(16, 185, 129, 0.1));
    border-color: rgba(34, 197, 94, 0.3);
}

.summary-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--bg-secondary);
    color: var(--primary);
}

.summary-stat-card.highlight .summary-stat-icon {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.summary-stat-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.summary-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.summary-stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Summary Sections */
.summary-section {
    margin-bottom: 24px;
}

.summary-section:last-child {
    margin-bottom: 0;
}

.summary-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.summary-section h3 svg {
    color: var(--primary);
}

/* Domain Breakdown */
.domain-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.domain-item {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    align-items: center;
    gap: 12px;
}

.domain-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.domain-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.domain-count {
    font-size: 12px;
    color: var(--text-muted);
}

.domain-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.domain-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #6366f1);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.domain-percentage {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: right;
}

/* Branch Breakdown */
.branch-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.branch-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1));
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.branch-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.branch-count {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: var(--primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: 12px;
}

/* Type Breakdown */
.type-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.type-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.type-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.type-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Difficulty Breakdown */
.difficulty-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.difficulty-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
}

.difficulty-badge.easy {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.difficulty-badge.easy .difficulty-name {
    color: #22c55e;
}

.difficulty-badge.medium {
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.difficulty-badge.medium .difficulty-name {
    color: #eab308;
}

.difficulty-badge.hard {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.difficulty-badge.hard .difficulty-name {
    color: #ef4444;
}

.difficulty-name {
    font-size: 13px;
    font-weight: 600;
}

.difficulty-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Modal Footer */
.training-summary-modal .modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.training-summary-modal .modal-footer .btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Modal Subtitle Inline */
.modal-subtitle-inline {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 8px;
    padding-left: 8px;
    border-left: 2px solid var(--border-color);
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Info Button */
.rag-panel .btn-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
}

.rag-panel .btn-info:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-1px);
}

/* ===== Extracted Questions List ===== */
.questions-list-section {
    margin-top: 20px;
}

.questions-list-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.questions-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 8px;
}

.questions-list::-webkit-scrollbar {
    width: 6px;
}

.questions-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.questions-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.questions-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.question-item {
    display: flex;
    gap: 12px;
    padding: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.question-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}

.question-number {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: 8px;
}

.question-content {
    flex: 1;
    min-width: 0;
}

.question-text {
    font-size: 14px;
    color: var(--text-primary);
    margin: 0 0 10px 0;
    line-height: 1.5;
    word-break: break-word;
}

/* ============================================
   SOURCE BADGES (R=RAG, D=Database, A=API, F=Fallback)
============================================ */

.source-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: help;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.source-badge.source-database {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.source-badge.source-api {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.source-badge.source-rag {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.source-badge.source-fallback {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.source-badge:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.question-meta .tag {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    font-weight: 500;
}

.question-meta .tag-branch {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.question-meta .tag-domain {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.question-meta .tag-type {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.question-meta .tag-type.behavioral {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.question-meta .tag-type.technical {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.question-meta .tag-type.dsa {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.question-meta .tag-type.system_design {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.question-meta .tag-type.hr {
    background: rgba(20, 184, 166, 0.1);
    color: #14b8a6;
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.question-meta .tag-difficulty {
    font-weight: 600;
}

.question-meta .tag-difficulty.easy {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.question-meta .tag-difficulty.medium {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
    border: 1px solid rgba(234, 179, 8, 0.2);
}

.question-meta .tag-difficulty.hard {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ===== Danger Zone Section ===== */
.rag-panel .danger-zone-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px dashed rgba(239, 68, 68, 0.3);
}

.rag-panel .danger-zone-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.rag-panel .danger-zone-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: #ef4444;
    margin: 0;
}

.rag-panel .danger-zone-header svg {
    color: #ef4444;
}

.rag-panel .danger-zone-content {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.rag-panel .danger-action {
    background: var(--bg-card);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 20px;
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

.rag-panel .danger-action h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.rag-panel .danger-action p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 16px;
    line-height: 1.5;
}

/* ===== Delete Modal Styles ===== */
.rag-panel .delete-modal.large {
    max-width: 800px;
    max-height: 85vh;
}

.rag-panel .delete-modal-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 16px;
}

.rag-panel .selection-info {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.rag-panel .questions-delete-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 8px;
}

.rag-panel .question-delete-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.rag-panel .question-delete-item:hover {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.rag-panel .question-delete-item.selected {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.rag-panel .question-delete-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: #ef4444;
}

.rag-panel .question-delete-content {
    flex: 1;
    min-width: 0;
}

.rag-panel .question-delete-content .question-text {
    font-size: 14px;
    color: var(--text-primary);
    margin: 0 0 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rag-panel .question-delete-content .question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.rag-panel .question-meta .tag-source {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.2);
}

/* ===== Clear All Modal Styles ===== */
.rag-panel .clear-all-modal {
    max-width: 550px;
}

.rag-panel .modal-header.danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    border-bottom: 2px solid rgba(239, 68, 68, 0.3);
}

.rag-panel .modal-header.danger h2 {
    color: #ef4444;
}

.rag-panel .modal-header.danger svg {
    color: #ef4444;
}

.rag-panel .danger-warning {
    text-align: center;
    padding: 24px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    margin-bottom: 20px;
}

.rag-panel .danger-warning .warning-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.2) 100%);
    border-radius: 50%;
}

.rag-panel .danger-warning .warning-icon svg {
    color: #ef4444;
}

.rag-panel .danger-warning h3 {
    font-size: 18px;
    font-weight: 700;
    color: #ef4444;
    margin: 0 0 12px;
}

.rag-panel .danger-warning p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 8px;
    line-height: 1.6;
}

.rag-panel .danger-warning p strong {
    color: var(--text-primary);
}

.rag-panel .confirmation-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.rag-panel .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.rag-panel .checkbox-label:hover {
    background: var(--bg-hover);
}

.rag-panel .checkbox-label.danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.rag-panel .checkbox-label.danger:hover {
    background: rgba(239, 68, 68, 0.05);
}

.rag-panel .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: #ef4444;
}

.rag-panel .checkbox-label span {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.rag-panel .password-section {
    margin-top: 20px;
}

.rag-panel .password-section label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.rag-panel .password-section svg {
    color: var(--text-secondary);
}

.rag-panel .password-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.rag-panel .password-input:focus {
    outline: none;
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.rag-panel .password-input::placeholder {
    color: var(--text-muted);
}

/* ===== Danger Button Styles ===== */
.rag-panel .btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.rag-panel .btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.rag-panel .btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.rag-panel .btn-danger-outline {
    background: transparent;
    color: #ef4444;
    border: 2px solid rgba(239, 68, 68, 0.5);
}

.rag-panel .btn-danger-outline:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

/* ===== Loading State ===== */
.rag-panel .loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.rag-panel .loading-state svg {
    margin-bottom: 16px;
    color: var(--primary);
}

.rag-panel .loading-state p {
    margin: 0;
    font-size: 14px;
}