/* HTML Menu Generator - Modern Mobile-First Styles */

/* Color Variables */
:root {
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #764ba2;
    --secondary-color: #f8f9fa;
    --border-color: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --success-color: #28a745;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Menu Generator Section */
.menu-generator-section {
    margin-top: 2rem;
}

.menu-generator-layout {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 992px) {
    .menu-generator-layout {
        grid-template-columns: 1fr;
    }
}

/* Configuration Panel */
.config-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: sticky;
    top: 1rem;
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
}

.panel-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.panel-body {
    padding: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: #fff;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control textarea {
    resize: vertical;
    min-height: 120px;
    
    font-size: 0.875rem;
}

.form-text {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Custom Colors */
.custom-colors-group {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--secondary-color);
    border-radius: var(--radius-sm);
}

.color-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.color-picker {
    height: 48px;
    padding: 0.25rem;
    cursor: pointer;
}

/* Checkbox Grid */
.section-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 576px) {
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.checkbox-label:hover {
    background: var(--secondary-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Buttons */
.button-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

/* Generator Main */
.generator-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Output Panel */
.output-panel,
.preview-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

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

.output-panel .panel-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    background: var(--secondary-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.btn-icon:active {
    transform: scale(0.95);
}

.output-panel .panel-body {
    padding: 1.5rem;
}

/* Code Container */
.code-container {
    position: relative;
}

.code-output {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.6;
    background: #1e1e1e;
    color: #d4d4d4;
    resize: vertical;
    min-height: 400px;
}

.code-output:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Preview Panel */
.preview-panel .panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #fff;
}

.preview-panel .panel-header h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preview-note {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.preview-panel .panel-body {
    padding: 1.5rem;
}

.preview-container {
    min-height: 300px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    overflow: auto;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

.preview-placeholder svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.preview-placeholder p {
    margin: 0.5rem 0;
    font-weight: 500;
    color: var(--text-secondary);
}

.preview-placeholder small {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .menu-generator-layout {
        gap: 1rem;
    }
    
    .config-panel {
        position: static;
    }
    
    .panel-body {
        padding: 1.25rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .code-output {
        font-size: 0.8rem;
        min-height: 300px;
    }
    
    .preview-container {
        min-height: 250px;
    }
}

@media (max-width: 576px) {
    .color-inputs {
        grid-template-columns: 1fr;
    }
    
    .panel-header {
        padding: 1rem;
    }
    
    .panel-body {
        padding: 1rem;
    }
}

/* Scrollbar Styling */
.code-output::-webkit-scrollbar,
.preview-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-output::-webkit-scrollbar-track,
.preview-container::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

.code-output::-webkit-scrollbar-thumb,
.preview-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.code-output::-webkit-scrollbar-thumb:hover,
.preview-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}