* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 5px;
    background: white;
    padding: 1px 15px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

header img {
    display: block;
    margin: 0 auto 1px auto;
    max-width: 800px;
    max-height: 160px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1px;
    margin-bottom: 0;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -2px;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
    flex-direction: column;
    gap: 24px;
}

.tab-content.active {
    display: flex;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

.prompt-input-wrapper {
    position: relative;
}

.textarea-large {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    resize: vertical;
    transition: border-color 0.2s;
}

.textarea-large:focus {
    outline: none;
    border-color: var(--primary-color);
}

.selection-toolbar {
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    background: white;
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100;
    border: 2px solid var(--primary-color);
}

.hidden {
    display: none !important;
}

.selection-toolbar.hidden {
    display: none;
}

.selection-text {
    flex: 1;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 300px;
}

.button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: var(--bg-color);
}

.foci-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.focus-item {
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    position: relative;
    transition: opacity 0.2s, transform 0.2s;
}

.focus-item.dragging {
    opacity: 0.5;
}

.focus-item.drag-over {
    border-top: 3px solid var(--primary-color) !important;
}

.focus-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 8px;
}

.focus-item-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.focus-item-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.focus-item-remove:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.focus-item-section {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 8px;
    padding: 8px;
    background: white;
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-style: italic;
}

.coverage-indicator {
    padding: 8px 16px;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 14px;
}

.coverage-indicator.hidden {
    display: none;
}

.coverage-warning {
    padding: 12px;
    background: #fef3c7;
    color: #92400e;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
    margin-bottom: 16px;
}

.coverage-warning.hidden {
    display: none;
}

.prompt-visualization {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.prompt-visualization.hidden {
    display: none;
}

.prompt-visualization-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.prompt-visualization-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.prompt-highlighted {
    background: white;
    padding: 16px;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid var(--border-color);
    max-height: 400px;
    overflow-y: auto;
    position: relative;
}

.prompt-highlighted .highlight {
    padding: 2px 4px;
    border-radius: 3px;
    margin: 0 1px;
    cursor: pointer;
    transition: opacity 0.2s;
    position: relative;
}

.prompt-highlighted .highlight:hover {
    opacity: 0.8;
}

.prompt-highlighted .uncovered {
    background: #fee2e2;
    border-bottom: 2px dashed #ef4444;
    padding: 2px 4px;
    border-radius: 3px;
}

.prompt-highlighted .highlight-tooltip {
    position: absolute;
    background: var(--text-primary);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.prompt-highlighted .highlight:hover .highlight-tooltip {
    opacity: 1;
}

.coverage-legend {
    margin-top: 16px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.legend-title {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-color);
    border-radius: 6px;
    font-size: 13px;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

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

.focus-item {
    transition: transform 0.2s, box-shadow 0.2s;
}

.focus-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.info-text {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.total-budget {
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    text-align: center;
    margin-bottom: 16px;
    font-size: 16px;
    border: 2px solid var(--border-color);
}

.total-budget.valid {
    border-color: var(--success-color);
    background: #d1fae5;
}

.total-budget.invalid {
    border-color: var(--danger-color);
    background: #fee2e2;
}

.total-budget strong {
    color: var(--primary-color);
    font-size: 18px;
}

.sliders-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.slider-item {
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.slider-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.slider-item-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.slider-value {
    font-weight: 700;
    color: var(--primary-color);
    min-width: 50px;
    text-align: right;
}

.slider-wrapper {
    position: relative;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-secondary);
}

.focus-control-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.rewritten-prompt-container {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 2px solid var(--primary-color);
}

.rewritten-prompt-container h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.rewritten-prompt {
    padding: 12px;
    background: white;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid var(--border-color);
    max-height: 300px;
    overflow-y: auto;
}

.comparison-results {
    margin-top: 20px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.comparison-table th,
.comparison-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table .focus-name {
    font-weight: 500;
}

.comparison-table .intended-value {
    color: var(--primary-color);
    font-weight: 600;
}

.comparison-table .actual-value {
    color: var(--text-secondary);
}

.comparison-table .difference {
    font-weight: 600;
}

.comparison-table .difference.positive {
    color: var(--success-color);
}

.comparison-table .difference.negative {
    color: var(--danger-color);
}

.comparison-summary {
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-top: 16px;
    border-left: 4px solid var(--primary-color);
}

.ablation-results {
    min-height: 200px;
}

.ablation-summary {
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 24px;
    border-left: 4px solid #8b5cf6;
}

.ablation-influence-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.ablation-influence-table th,
.ablation-influence-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.ablation-influence-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
}

.ablation-influence-table .focus-name {
    font-weight: 500;
}

.ablation-influence-table .influence-value {
    font-weight: 700;
    color: #8b5cf6;
    font-size: 1.1rem;
}

.ablation-influence-table .similarity-value {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.influence-bar {
    width: 100%;
    height: 24px;
    background: var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 8px;
    position: relative;
}

.influence-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #a855f7);
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
    font-weight: 600;
}

.ablation-details {
    margin-top: 24px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.ablation-details h4 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.ablation-output-preview {
    padding: 12px;
    background: var(--bg-color);
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    max-height: 150px;
    overflow-y: auto;
    margin-top: 8px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.assessment-results {
    min-height: 200px;
}

.assessment-summary {
    padding: 16px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 24px;
    border-left: 4px solid var(--primary-color);
}

.assessment-foci {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.assessment-focus {
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
}

.assessment-focus-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.assessment-focus-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.assessment-focus-score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.assessment-focus-section {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 8px;
    padding: 8px;
    background: var(--bg-color);
    border-left: 3px solid var(--secondary-color);
    border-radius: 4px;
}

.assessment-focus-explanation {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.score-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 8px;
}

.score-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.3s ease;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    color: white;
    pointer-events: auto;
}

.loading-overlay.hidden {
    display: none !important;
    pointer-events: none !important;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

#loading-text {
    font-size: 18px;
    font-weight: 500;
}

.error-message {
    padding: 12px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: 8px;
    border-left: 4px solid var(--danger-color);
    margin-top: 12px;
}

.success-message {
    padding: 12px;
    background: #d1fae5;
    color: #065f46;
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
    margin-top: 12px;
}

/* Agent Builder Styles */
.foci-weights-results {
    min-height: 100px;
}

.weight-display {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    margin-bottom: 8px;
    background: #f8fafc;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.weight-bar {
    flex: 1;
    height: 24px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.weight-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #4f46e5 0%, #7c3aed 100%);
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.weight-value {
    min-width: 60px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

.chat-weight-display {
    padding: 16px;
    margin-top: 16px;
    background: #e8f4f8;
    border-radius: 6px;
    border: 1px solid #bee5eb;
}

.constructed-prompt-display {
    background: #f8fafc;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    margin-top: 16px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.agent-output-display {
    background: #f0fdf4;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid #bbf7d0;
    margin-top: 16px;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.agent-response-results {
    min-height: 100px;
}

/* Batch Analysis Styles */
.pairs-container {
    min-height: 100px;
}

.pair-item {
    transition: background 0.2s;
}

.pair-item:hover {
    background: #f1f5f9 !important;
}

.batch-progress {
    padding: 12px;
    background: #e8f4f8;
    border-radius: 6px;
    border: 1px solid #bee5eb;
    margin-bottom: 16px;
}

.batch-stats-table {
    font-size: 0.9em;
}

.batch-stats-table th {
    font-weight: 600;
    color: var(--text-primary);
}

.batch-stats-table td {
    color: var(--text-secondary);
}

.batch-results {
    min-height: 100px;
}

@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .button-group {
        width: 100%;
    }
    
    .btn {
        flex: 1;
    }
}

/* Error Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 10001;
    animation: modalSlideIn 0.3s ease-out;
}

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

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

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
    line-height: 1;
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-body p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal.hidden {
    display: none;
}