/*
 * Bulk Ad Image Generator - Styles
 * Modern, clean UI with step-by-step workflow
 */

:root {
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --secondary: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    --bg-main: #F8FAFC;
    --bg-white: #FFFFFF;
    --bg-dark: #1E293B;

    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;

    --border: #E2E8F0;
    --border-focus: #6366F1;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

.tagline {
    color: var(--text-secondary);
    margin-top: 4px;
    font-size: 0.95rem;
}

/* Main Content */
.main-content {
    padding: 40px 0 80px;
}

/* Generator Sections */
.generator-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.generator-section:hover {
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Question Input */
.input-group {
    position: relative;
}

.question-input {
    width: 100%;
    padding: 18px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    resize: vertical;
    font-family: inherit;
    transition: var(--transition);
    min-height: 100px;
}

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

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

.char-count {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Style Grid */
.mix-match-toggle {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.mix-match-toggle:has(input:checked) {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    border-radius: 28px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.toggle-label {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.toggle-label strong {
    color: var(--primary);
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.style-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--bg-white);
}

.style-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.style-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.style-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.style-preview {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    position: relative;
}

.mini-buttons {
    position: absolute;
    bottom: 8px;
    display: flex;
    gap: 8px;
}

.mini-buttons .yes,
.mini-buttons .no {
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
}

.mini-buttons .yes {
    background: #22C55E;
}

.mini-buttons .no {
    background: #EF4444;
}

.style-info {
    padding: 12px 14px;
    border-top: 1px solid var(--border);
}

.style-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.style-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.style-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.style-card.selected .style-check {
    display: flex;
}

.check-icon {
    width: 14px;
    height: 14px;
    color: white;
}

/* Font Selection */
.font-selection {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.font-mode-toggle {
    display: flex;
    gap: 8px;
    background: var(--bg-main);
    padding: 4px;
    border-radius: var(--radius-md);
}

.font-mode {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.font-mode:hover {
    color: var(--text-primary);
}

.font-mode.active {
    background: var(--bg-white);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.default-fonts-info {
    padding: 12px 16px;
    background: var(--bg-main);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.default-fonts-info strong {
    color: var(--text-primary);
}

.custom-fonts-panel {
    display: none;
}

.custom-fonts-panel.active {
    display: block;
}

.font-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    cursor: pointer;
    transition: var(--transition);
}

.font-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Variation Config */
.variation-config {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-row label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 3px;
    outline: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider-value {
    min-width: 40px;
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

.text-input {
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-family: inherit;
}

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

.input-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.config-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.checkbox-label input {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* Generate Button */
.generate-action {
    text-align: center;
    margin-top: 16px;
}

.btn-generate {
    padding: 20px 48px;
    font-size: 1.15rem;
    font-weight: 600;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition);
    min-width: 300px;
}

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

.btn-generate:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 1.3rem;
}

.generate-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 24px;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-header h3 span {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 1rem;
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-main);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px 28px;
    overflow-y: auto;
    flex: 1;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.preview-item {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.preview-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item .preview-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.preview-item:hover .preview-overlay {
    opacity: 1;
}

.preview-overlay span {
    color: white;
    font-size: 1.5rem;
}

.modal-footer {
    padding: 20px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: var(--bg-main);
}

.btn-primary {
    padding: 14px 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

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

.btn-secondary {
    padding: 14px 28px;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-main);
    border-color: var(--text-muted);
}

/* Zoom Modal */
.zoom-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.zoom-modal.active {
    display: flex;
}

.zoom-content {
    position: relative;
    max-width: 90vmin;
    max-height: 90vmin;
}

.zoom-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
}

.zoom-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    color: white;
    transition: var(--transition);
}

.zoom-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.zoom-actions {
    display: flex;
    justify-content: center;
    margin-top: 16px;
}

.zoom-download-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-download-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.zoom-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
}

.zoom-nav-btn {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.zoom-nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

#zoomCounter {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 56px;
    height: 56px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 24px;
}

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

.loading-text {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.progress-bar {
    width: 320px;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .generator-section {
        padding: 24px 20px;
    }

    .style-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .font-mode-toggle {
        flex-direction: column;
    }

    .modal-content {
        max-height: 95vh;
        border-radius: var(--radius-lg);
    }

    .modal-body {
        padding: 16px;
    }

    .preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .modal-footer {
        flex-direction: column;
    }

    .btn-generate {
        width: 100%;
        min-width: auto;
    }

    .zoom-content {
        max-width: 95vw;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 16px 0;
    }

    .logo {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.1rem;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }

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

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

/* Size Selection */
.size-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.size-card {
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--bg-white);
    text-align: center;
}

.size-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.size-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.size-preview {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.size-ratio {
    background: var(--bg-main);
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    min-height: 60px;
    max-height: 100px;
    width: 100%;
    max-width: 100px;
}

.size-square .size-ratio {
    aspect-ratio: 1/1;
}

.size-horizontal .size-ratio {
    aspect-ratio: 1200/628;
    max-width: 100%;
}

.size-story .size-ratio {
    aspect-ratio: 1080/1920;
    max-width: 50px;
    min-height: 80px;
}

.size-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.size-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.size-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.size-card.selected .size-check {
    display: flex;
}

/* Use Variations Toggle */
.use-variations-toggle {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.use-variations-toggle:has(input:checked) {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
}

.toggle-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-left: 4px;
}

#variationOptions {
    transition: var(--transition);
}

#variationOptions.hidden {
    display: none;
}

/* Generate Math Display */
.generate-math {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

.generate-math strong {
    color: var(--primary);
}

/* Responsive Size Cards */
@media (max-width: 768px) {
    .size-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .size-card {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .size-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .size-info h4 {
        font-size: 0.8rem;
    }

    .size-info p {
        font-size: 0.7rem;
    }
}

/* Detected Variables Display */
.detected-variables {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.variables-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.variables-icon {
    font-size: 1.1rem;
}

.variables-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.variable-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.variable-tag .tag-icon {
    font-size: 0.9rem;
}

.variable-tag .tag-type {
    color: var(--primary);
    font-weight: 500;
    text-transform: capitalize;
}

.variable-tag .tag-value {
    color: var(--text-secondary);
}

/* Dynamic Variable Input Rows */
.variable-input {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.variable-input:hover {
    border-color: var(--primary);
}

.variable-input label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.variable-input .var-icon {
    font-size: 1.1rem;
}

.variable-input .text-input {
    width: 100%;
    margin-top: 8px;
}

.variable-input .input-hint {
    display: block;
    margin-top: 6px;
}

/* No Variables Message */
.no-variables-message {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 16px;
}

.no-variables-message p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

/* Variable type specific styling */
.variable-input[data-type="money"] {
    border-left: 3px solid #10B981;
}

.variable-input[data-type="weight"] {
    border-left: 3px solid #F59E0B;
}

.variable-input[data-type="time"] {
    border-left: 3px solid #6366F1;
}

.variable-input[data-type="percentage"] {
    border-left: 3px solid #EC4899;
}

/* Responsive for variable inputs */
@media (max-width: 480px) {
    .detected-variables {
        padding: 12px 14px;
    }

    .variable-tag {
        padding: 4px 10px;
        font-size: 0.8rem;
    }

    .variable-input {
        padding: 12px;
    }
}

/* Collapsible Sections */
.collapsible-section .section-header {
    cursor: pointer;
    user-select: none;
    justify-content: flex-start;
}

.collapsible-header {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.collapse-indicator {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.selected-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.chevron-icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.collapsible-section.collapsed .chevron-icon {
    transform: rotate(0deg);
}

.collapsible-section:not(.collapsed) .chevron-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    overflow: hidden;
    max-height: 1000px;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
    opacity: 1;
    margin-top: 24px;
}

.collapsible-section.collapsed .collapsible-content {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.collapsible-section.collapsed {
    padding-bottom: 24px;
}

.collapsible-header:hover .chevron-icon {
    color: var(--primary);
}

.collapsible-header:hover .selected-summary {
    color: var(--primary);
}

/* Input Meta (char count + line count) */
.input-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.char-count, .line-count {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.line-count {
    color: var(--primary);
    font-weight: 500;
}

/* Batch mode indicator */
.question-input.batch-mode {
    border-color: var(--secondary);
    background: rgba(16, 185, 129, 0.03);
}

@media (max-width: 480px) {
    .input-meta {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
}

/* ===========================================
   PHASE 1 FEATURES: Templates, Brand Kits,
   A/B Test, Performance Score
   =========================================== */

/* Quick Actions Bar */
.quick-actions-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--primary-light);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.quick-action-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn .qa-icon {
    font-size: 1.2rem;
}

/* Performance Score Badge */
.perf-score-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.perf-score-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.score-grade {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
}

.score-value {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.9);
}

/* Score Breakdown Panel */
.score-breakdown {
    margin-top: 16px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

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

.score-breakdown h4 {
    font-size: 1rem;
    color: var(--text-primary);
}

.score-breakdown .close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
}

.score-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.score-bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.score-bar-label {
    width: 120px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.score-bar-track {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.score-bar-fill.excellent { background: #10b981; }
.score-bar-fill.good { background: #3b82f6; }
.score-bar-fill.average { background: #f59e0b; }
.score-bar-fill.poor { background: #ef4444; }

.score-bar-value {
    width: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.score-suggestion {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

.score-suggestion p {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0;
}

.score-suggestion strong {
    color: var(--primary);
}

/* Template Modal */
.modal-large {
    max-width: 900px;
    width: 95%;
}

.template-categories {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.template-category-btn {
    padding: 8px 16px;
    background: #f1f5f9;
    border: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.template-category-btn:hover,
.template-category-btn.active {
    background: var(--primary);
    color: white;
}

.template-category-btn .emoji {
    margin-right: 6px;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 8px;
}

.template-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.template-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.template-card h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.template-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.template-example {
    padding: 12px;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-style: italic;
    color: var(--text-primary);
    border-left: 3px solid var(--primary);
}

.template-tags {
    display: flex;
    gap: 6px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.template-tag {
    padding: 4px 8px;
    background: var(--primary-light);
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--primary);
}

/* Brand Kit Modal */
.brand-kit-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.brand-kit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.brand-kit-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.brand-kit-item.selected {
    background: var(--primary-light);
    border-color: var(--primary);
}

.brand-kit-colors {
    display: flex;
    gap: 4px;
}

.bk-color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.brand-kit-info {
    flex: 1;
}

.brand-kit-info h4 {
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.brand-kit-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.brand-kit-actions {
    display: flex;
    gap: 6px;
}

.bk-action-btn {
    padding: 4px 8px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.bk-action-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.bk-action-btn.delete:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* Brand Kit Form */
.form-row {
    margin-bottom: 16px;
}

.form-row label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-row input[type="text"],
.form-row select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.colors-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.color-picker {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
}

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

.color-picker input[type="color"] {
    width: 50px;
    height: 40px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* A/B Test Variants Grid */
.ab-variants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.ab-variant-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.ab-variant-card:hover {
    box-shadow: var(--shadow-md);
}

.ab-variant-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: #f8f9fa;
}

.ab-variant-info {
    padding: 12px;
}

.ab-variant-info h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.ab-variant-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.ab-variant-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 6px;
}

.ab-variant-badge.control {
    background: #fef3c7;
    color: #d97706;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Grade Colors */
.grade-a { color: #10b981; }
.grade-b { color: #3b82f6; }
.grade-c { color: #f59e0b; }
.grade-d { color: #f97316; }
.grade-f { color: #ef4444; }

/* Responsive */
@media (max-width: 768px) {
    .quick-actions-bar {
        flex-wrap: wrap;
    }

    .quick-action-btn {
        flex: 1;
        min-width: 100px;
        justify-content: center;
    }

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

    .colors-row {
        justify-content: center;
    }
}


/* ===========================================
   ANGLES & BENEFITS GENERATOR
   =========================================== */

.angles-generator-section {
    background: linear-gradient(135deg, var(--bg-white) 0%, rgba(99, 102, 241, 0.05) 100%);
    border: 2px solid rgba(99, 102, 241, 0.2);
    position: relative;
}

.angles-generator-section .section-header {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-badge {
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
}

.angles-input-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 20px;
}

.angles-input-group {
    flex: 1;
}

.angles-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.angles-text-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.angles-text-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn-generate-angles {
    padding: 12px 24px;
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: var(--transition);
    min-height: 46px;
}

.btn-generate-angles:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-generate-angles:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Results Area */
.angles-results {
    margin-top: 20px;
}

.angles-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.angles-clear-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.angles-clear-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.angles-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 30px;
    background: var(--bg-main);
    border-radius: var(--radius-md);
    justify-content: center;
    color: var(--text-secondary);
}

.loading-spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Category Sections */
.angles-categories {
    display: grid;
    gap: 16px;
}

.angle-category {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
}

.angle-category[data-category="top_converting"] {
    border-left: 4px solid #10B981;
}

.angle-category[data-category="lead_magnet"] {
    border-left: 4px solid #3B82F6;
}

.angle-category[data-category="clickbait"] {
    border-left: 4px solid #F59E0B;
}

.angle-category[data-category="forbidden"] {
    border-left: 4px solid #EF4444;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.category-icon {
    font-size: 1.2rem;
}

.category-header h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* Angle Chips/Pills */
.angle-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.angle-chip {
    padding: 10px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    line-height: 1.4;
}

.angle-chip:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.angle-chip.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.no-angles {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .angles-input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-generate-angles {
        width: 100%;
        justify-content: center;
    }

    .angle-chip {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
}