/* Theme Configurator CSS */
:root {
    /* Color Palette */
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
    margin: 0;
    padding: 0;
}

/* Theme Configurator Container */
.theme-configurator {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.config-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
}

.config-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.config-subtitle {
    font-size: 1.1rem;
    margin: var(--spacing-sm) 0 0 0;
    opacity: 0.9;
}

/* Main Content */
.config-main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* Progress Indicator */
.progress-section {
    margin-bottom: var(--spacing-xl);
}

.progress-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.progress-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--gray-300);
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    background-color: var(--white);
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--gray-300);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    text-align: center;
    white-space: nowrap;
}

.progress-step.active .step-icon {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.progress-step.completed .step-icon {
    background-color: var(--success-color);
    color: var(--white);
}

.progress-step.completed .step-label {
    color: var(--success-color);
}

/* Step Sections */
.config-step {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

.config-step.active {
    display: block;
}

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.step-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.step-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin: 0;
}

/* Configuration Cards */
.config-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
    height: 100%;
}

.config-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-control, .form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    outline: none;
}

.form-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

/* Theme Type Selector */
.theme-type-selector {
    margin-top: var(--spacing-md);
}

.theme-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.theme-option {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    background-color: var(--white);
}

.theme-option:hover {
    border-color: var(--primary-color);
    background-color: var(--gray-50);
    transform: translateY(-2px);
}

.theme-option.selected {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: var(--white);
}

.theme-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.theme-option.selected .theme-icon {
    color: var(--white);
}

.theme-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.theme-info p {
    font-size: 0.875rem;
    margin: 0;
    opacity: 0.8;
}

/* Color Picker */
.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.color-swatch:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.color-swatch.selected {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* Preview Area */
.preview-area {
    min-height: 200px;
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--gray-50);
}

.preview-placeholder {
    text-align: center;
    color: var(--gray-500);
}

/* Step Actions */
.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* Footer */
.config-footer {
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

/* Toast Notifications */
.toast {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.toast-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

/* Responsive Design */
@media (max-width: 768px) {
    .config-title {
        font-size: 2rem;
    }
    
    .progress-indicator {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .progress-indicator::before {
        display: none;
    }
    
    .theme-options {
        grid-template-columns: 1fr;
    }
    
    .step-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .step-actions .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .config-header {
        padding: var(--spacing-lg) 0;
    }
    
    .config-main {
        padding: var(--spacing-lg) 0;
    }
    
    .card-header, .card-body {
        padding: var(--spacing-md);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-md { border-radius: var(--border-radius-md) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}