/* Modern AI Test Interface with Dark/Light/System Theme Support */

:root {
    /* Light theme variables */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --surface-color: #ffffff;
    --background-color: #f8fafc;
    --secondary-bg: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    --shadow-color: rgb(0 0 0 / 0.1);
    --shadow-strong: rgb(0 0 0 / 0.2);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-surface: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);
    --shadow-lg: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -4px var(--shadow-color);
    --shadow-xl: 0 20px 25px -5px var(--shadow-color), 0 10px 10px -5px var(--shadow-color);
}

/* REALLY dark theme variables */
[data-theme="dark"] {
    --primary-color: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;
    --secondary-color: #9ca3af;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    --surface-color: #0a0a0a;
    --background-color: #000000;
    --secondary-bg: #0f0f0f;
    --border-color: #262626;
    --border-light: #1a1a1a;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --text-inverse: #1f2937;
    --shadow-color: rgb(0 0 0 / 0.3);
    --shadow-strong: rgb(0 0 0 / 0.5);
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-surface: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

/* Auto-detect system preference when theme is set to system */
@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --primary-color: #60a5fa;
        --primary-dark: #3b82f6;
        --primary-light: #93c5fd;
        --secondary-color: #9ca3af;
        --success-color: #34d399;
        --warning-color: #fbbf24;
        --danger-color: #f87171;
        --surface-color: #0a0a0a;
        --background-color: #000000;
        --secondary-bg: #0f0f0f;
        --border-color: #262626;
        --border-light: #1a1a1a;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-muted: #9ca3af;
        --text-inverse: #1f2937;
        --shadow-color: rgb(0 0 0 / 0.3);
        --shadow-strong: rgb(0 0 0 / 0.5);
        --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        --gradient-surface: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    }
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Header */
.app-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    height: 4rem;
    flex-shrink: 0;
}

.header-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-title i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(59, 130, 246, 0.3);
    font-size: 0.875rem;
    padding: 0.625rem 1rem;
}

.btn-info:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-info {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .btn-info:hover:not(:disabled) {
    background: rgba(96, 165, 250, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .btn-info {
        background: rgba(96, 165, 250, 0.1);
        border: 1px solid rgba(96, 165, 250, 0.3);
    }

    [data-theme="system"] .btn-info:hover:not(:disabled) {
        background: rgba(96, 165, 250, 0.2);
    }
}

/* Theme Selector */
.theme-selector {
    display: flex;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    gap: 0.25rem;
}

.theme-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

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

.theme-btn.active {
    background: var(--primary-color);
    color: var(--text-inverse);
}

/* Main Layout - Fixed height to prevent scrolling */
.main-container {
    height: calc(100vh - 4rem);
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 2rem;
    padding: 2rem;
    overflow: hidden;
}

/* Left Panel */
.control-panel {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    overflow-y: auto;
    height: 100%;
}

.control-panel:hover {
    box-shadow: var(--shadow-xl);
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.panel-title i {
    color: var(--primary-color);
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Form Controls */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] .form-textarea:focus {
    box-shadow: 0 0 0 3px rgb(96 165 250 / 0.1);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .form-input:focus,
    [data-theme="system"] .form-select:focus,
    [data-theme="system"] .form-textarea:focus {
        box-shadow: 0 0 0 3px rgb(96 165 250 / 0.1);
    }
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.5;
}

.form-textarea.large {
    min-height: 120px;
}

.form-select:disabled {
    background-color: var(--secondary-bg);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Radio Groups */
.radio-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--surface-color);
}

.radio-option:hover {
    border-color: var(--primary-light);
    background: var(--secondary-bg);
}

.radio-option.active {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

[data-theme="dark"] .radio-option.active {
    background: rgba(96, 165, 250, 0.1);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .radio-option.active {
        background: rgba(96, 165, 250, 0.1);
    }
}

.radio-option input[type="radio"] {
    margin: 0;
    width: auto;
}

/* Checkbox Styling */
.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    background: var(--surface-color);
}

.checkbox-option:hover {
    border-color: var(--primary-light);
    background: var(--secondary-bg);
}

.checkbox-option input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-option input[type="checkbox"]:checked + .checkbox-custom::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.checkbox-label i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.checkbox-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    line-height: 1.3;
}

/* Prompt Display Container */
.prompt-display {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: none;
    transition: all 0.3s ease;
}

.prompt-display.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

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

.prompt-display-header {
    display: flex;
    align-items: center;
    justify-content: between;
    margin-bottom: 1rem;
}

.prompt-display-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.prompt-display-content {
    background: var(--surface-color);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-primary);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.prompt-description {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--primary-color);
}

[data-theme="dark"] .prompt-description {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .prompt-description {
        background: rgba(96, 165, 250, 0.1);
        border: 1px solid rgba(96, 165, 250, 0.2);
    }
}

.prompt-description-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Right Panel */
.response-panel {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.response-panel:hover {
    box-shadow: var(--shadow-xl);
}

.response-header {
    display: flex;
    align-items: center;
    justify-content: between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

.response-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.response-title i {
    color: var(--primary-color);
}

/* Status Messages */
.status-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.status-connecting {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-streaming {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .status-streaming {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .status-streaming {
        background: rgba(96, 165, 250, 0.1);
        border: 1px solid rgba(96, 165, 250, 0.2);
    }
}

.status-complete {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Response Container */
.response-container {
    flex: 1;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    transition: all 0.3s ease;
    min-height: 200px;
    margin-bottom: 1.5rem;
}

.response-container:empty::before {
    content: "Select a provider and model, then click 'Send Request' to begin...";
    color: var(--text-muted);
    font-style: italic;
}

/* Typing Indicator */
.typing-indicator {
    color: var(--primary-color);
    font-weight: 500;
}

.typing-indicator::after {
    content: "●●●";
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Chunk Animation */
.chunk {
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Metadata Section */
.metadata-section {
    height: 300px;
    padding: 1.5rem;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    overflow-y: auto;
    transition: all 0.3s ease;
}

.metadata-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: sticky;
    top: 0;
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    margin: 0.0rem -1.5rem 1rem;
    padding: 0.0rem 1.5rem 0.5rem;
    z-index: 1;
}

/* Web Search Info */
.web-search-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.web-search-info:empty::before {
    content: "Additional information will appear here when available...";
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.7;
}

.web-search-info .info-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

[data-theme="dark"] .web-search-info {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .web-search-info {
        background: rgba(96, 165, 250, 0.1);
        border: 1px solid rgba(96, 165, 250, 0.2);
    }
}

.citation-item, .search-result-item {
    background: var(--surface-color);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.875rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.4;
}

.citation-item {
    border-left: 4px solid var(--warning-color);
}

.citation-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.citation-item a:hover {
    text-decoration: underline;
}

.search-result-item {
    border-left: 4px solid var(--primary-color);
}

/* Scrollbar styling for metadata section */
.metadata-section::-webkit-scrollbar {
    width: 6px;
}

.metadata-section::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* Modal Styles */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

[data-theme="dark"] .modal {
    background: rgba(0, 0, 0, 0.8);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .modal {
        background: rgba(0, 0, 0, 0.8);
    }
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.modal-large .modal-content {
    max-width: none;
    width: 98%;
    height: 95vh;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-inverse);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    opacity: 0.8;
}

.modal-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.modal-large .modal-body {
    max-height: none;
    height: calc(95vh - 160px);
}

.modal-footer {
    background: var(--secondary-bg);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-footer-info {
    flex: 1;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    background: var(--secondary-bg);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

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

.tab-btn.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

/* Tab Content */
.tab-content {
    display: none;
    flex: 1;
    overflow: hidden;
}

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

/* Models Stats */
.models-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Table Styles */
.table-container {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface-color);
}

.models-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    min-width: 1600px; /* Ensure minimum width for all columns */
}

.models-table th {
    background: var(--secondary-bg);
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    white-space: nowrap;
}

.models-table th.sortable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.models-table th.sortable:hover {
    background: var(--border-color);
}

.sort-indicator {
    color: var(--primary-color);
    font-weight: bold;
    margin-left: 0.25rem;
}

.models-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: top;
}

.models-table tbody tr:hover {
    background: var(--secondary-bg);
}

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

/* Model ID Column */
.model-id {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 180px;
    max-width: 220px;
}

.model-provider {
    min-width: 100px;
    max-width: 120px;
}

/* Provider Column */
.provider-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--secondary-bg);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    min-width: 100px;
    justify-content: center;
}

.provider-openai { background: rgba(16, 163, 127, 0.1); color: #10a37f; }
.provider-anthropic { background: rgba(255, 107, 0, 0.1); color: #ff6b00; }
.provider-groq { background: rgba(255, 20, 147, 0.1); color: #ff1493; }
.provider-perplexity { background: rgba(32, 201, 151, 0.1); color: #20c997; }
.provider-deepseek { background: rgba(138, 43, 226, 0.1); color: #8a2be2; }
.provider-ollama { background: rgba(255, 193, 7, 0.1); color: #ffc107; }

/* Pricing Column */
.model-pricing {
    min-width: 160px;
    max-width: 180px;
}

.price-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.price-free {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.price-low {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.price-medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.price-high {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.price-special {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

.batch-discount {
    display: block;
    font-size: 0.65rem;
    color: var(--success-color);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Capabilities Column */
.capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    min-width: 200px;
    max-width: 250px;
}

/* New column styles */
.context-window {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    font-weight: 500;
    text-align: right;
    min-width: 100px;
    max-width: 120px;
    color: var(--text-primary);
}

.quality-score {
    text-align: center;
    min-width: 80px;
    max-width: 100px;
    font-weight: 600;
}

.quality-score .score-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 45px;
    text-align: center;
}

.score-excellent { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.score-good { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.score-average { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.score-poor { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.score-unknown { background: var(--secondary-bg); color: var(--text-muted); }

.speed-column {
    text-align: center;
    min-width: 90px;
    max-width: 110px;
}

.speed-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    min-width: 70px;
    text-align: center;
}

.speed-ultra_fast { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.speed-fast { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.speed-medium { background: rgba(59, 130, 246, 0.1); color: var(--primary-color); }
.speed-slow { background: rgba(156, 163, 175, 0.1); color: #9ca3af; }

.description-column {
    min-width: 300px;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.description-column .info-description {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.description-column .info-best-for {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.capability-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
}

.capability-chat { background: rgba(59, 130, 246, 0.1); color: var(--primary-color); }
.capability-reasoning { background: rgba(139, 69, 19, 0.1); color: #8b4513; }
.capability-code { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.capability-vision { background: rgba(168, 85, 247, 0.1); color: #a855f7; }
.capability-audio { background: rgba(251, 146, 60, 0.1); color: #fb923c; }
.capability-embedding { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.capability-image { background: rgba(236, 72, 153, 0.1); color: #ec4899; }
.capability-tts { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.capability-function { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.capability-search { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.capability-multimodal { background: rgba(192, 132, 252, 0.1); color: #c084fc; }
.capability-streaming { background: rgba(14, 165, 233, 0.1); color: #0ea5e9; }
.capability-long_context { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }
.capability-local { background: rgba(132, 204, 22, 0.1); color: #84cc16; }
.capability-fast { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.capability-moderation { background: rgba(156, 163, 175, 0.1); color: #9ca3af; }
.capability-other { background: rgba(107, 114, 128, 0.1); color: #6b7280; }
.capability-responses_api { background: rgba(79, 70, 229, 0.1); color: #4f46e5; }

/* Enhanced Info Column */
.model-info {
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--text-secondary);
    max-width: 400px;
}

.info-description {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.info-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.spec-item {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    background: var(--secondary-bg);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
}

.speed-ultra_fast { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.speed-fast { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.speed-medium { background: rgba(59, 130, 246, 0.1); color: var(--primary-color); }
.speed-slow { background: rgba(156, 163, 175, 0.1); color: #9ca3af; }

.info-best-for {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Provider Sections */
.provider-sections {
    overflow-y: auto;
    flex: 1;
}

.provider-section {
    margin-bottom: 2rem;
}

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

.provider-header {
    background: var(--secondary-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.provider-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-transform: capitalize;
}

.provider-count {
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
}

.provider-models {
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow: hidden;
}

/* Ensure the search tab content has proper height constraints */
#modelSearchTab {
    overflow: hidden; /* Add this */
}

/* Search Controls */
.search-controls {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    flex-shrink: 0; /* Prevent search controls from shrinking */
}

.search-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.search-row:last-child {
    margin-bottom: 0;
}

.search-group {
    display: flex;
    flex-direction: column;
}

/* Price Filters */
.price-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.5rem;
}

.price-filter-group {
    display: flex;
    flex-direction: column;
}

.price-filter-group .form-input {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
}

/* Capability Filters */
.capability-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.capability-filter {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.8125rem;
}

.capability-filter:hover {
    background: var(--border-color);
}

.capability-filter.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.capability-filter input[type="checkbox"] {
    margin: 0;
    width: auto;
}

/* Quick Filters */
.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Search & Filter table scrolling */
.search-results {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Add this */
    min-height: 0; /* Add this */
}

.search-results .table-container {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--surface-color);
    min-height: 0; /* Add this */
}


.results-count {
    padding: 1rem 0;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Tips Box */
.tips-box {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

[data-theme="dark"] .tips-box {
    background: rgba(96, 165, 250, 0.05);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .tips-box {
        background: rgba(96, 165, 250, 0.05);
        border: 1px solid rgba(96, 165, 250, 0.2);
    }
}

.tips-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
    position: relative;
    padding-left: 1.5rem;
}

.tips-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Error/Success States */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Last Updated Indicator */
.last-updated {
    margin-top: 0.5rem;
}

.last-updated .text-muted {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Scrollbar Styling */
.table-container::-webkit-scrollbar,
.provider-sections::-webkit-scrollbar,
.response-container::-webkit-scrollbar,
.prompt-display-content::-webkit-scrollbar,
.control-panel::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.table-container::-webkit-scrollbar-track,
.provider-sections::-webkit-scrollbar-track,
.response-container::-webkit-scrollbar-track,
.prompt-display-content::-webkit-scrollbar-track,
.control-panel::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

.table-container::-webkit-scrollbar-thumb,
.provider-sections::-webkit-scrollbar-thumb,
.response-container::-webkit-scrollbar-thumb,
.prompt-display-content::-webkit-scrollbar-thumb,
.control-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover,
.provider-sections::-webkit-scrollbar-thumb:hover,
.response-container::-webkit-scrollbar-thumb:hover,
.prompt-display-content::-webkit-scrollbar-thumb:hover,
.control-panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.table-container::-webkit-scrollbar-corner {
    background: var(--secondary-bg);
}

/* Responsive Design */
@media (max-width: 1200px) {
    /* On tablets, hide context window and quality score but keep speed and description */
    .models-table th:nth-child(5),
    .models-table td:nth-child(5),
    .models-table th:nth-child(6),
    .models-table td:nth-child(6) {
        display: none;
    }

    .main-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 1.5rem;
    }

    .control-panel {
        height: auto;
        max-height: 50vh;
    }

    .modal-large .modal-content {
        width: 98%;
        height: 95vh;
    }

    .search-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .price-filters {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    /* Hide some columns on mobile for better readability */
    .models-table th:nth-child(5),
    .models-table td:nth-child(5),
    .models-table th:nth-child(6),
    .models-table td:nth-child(6),
    .models-table th:nth-child(7),
    .models-table td:nth-child(7) {
        display: none;
    }

    .description-column {
        min-width: 200px;
    }

    .main-container {
        padding: 1rem;
        gap: 1rem;
    }

    .control-panel,
    .response-panel {
        padding: 1.5rem;
    }

    .app-header {
        padding: 1rem;
    }

    .btn-group {
        flex-direction: column;
    }

    .radio-group {
        flex-direction: column;
    }

    .theme-selector {
        flex-direction: column;
        gap: 0.125rem;
    }

    .theme-btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }

    .header-right {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-info {
        font-size: 0.75rem;
        padding: 0.5rem 0.75rem;
    }

    .modal-large .modal-content {
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }

    .tab-nav {
        flex-direction: column;
        gap: 0.25rem;
    }

    .tab-btn {
        padding: 0.75rem 1rem;
    }

    .models-stats {
        grid-template-columns: 1fr;
    }

    .models-table {
        font-size: 0.75rem;
    }

    .models-table th,
    .models-table td {
        padding: 0.75rem 0.5rem;
    }

    .capability-filters {
        gap: 0.25rem;
    }

    .capability-filter {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }

    .quick-filters {
        flex-direction: column;
    }

    .quick-filters .btn {
        width: 100%;
        justify-content: center;
    }

    /* Hide some columns on mobile for better readability */
    .models-table th:nth-child(4),
    .models-table td:nth-child(4) {
        display: none;
    }
}