/* Responsive Design */

/* Large Tablets and Small Desktops (max-width: 1400px) */
@media (max-width: 1400px) {
    :root {
        --sidebar-width: 340px;
        --price-panel-width: 300px;
    }

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

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

    .color-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablets (max-width: 1024px) */
@media (max-width: 1024px) {
    .configurator-wrapper {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: auto;
        min-height: calc(100vh - var(--header-height));
    }

    .config-panel {
        order: 1;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
    }

    .viewer-container {
        order: 2;
        height: 500px;
        min-height: 500px;
    }

    .price-panel {
        order: 3;
        border-left: none;
        border-top: 1px solid var(--color-gray-200);
    }

    .config-section {
        padding: var(--spacing-lg);
    }

    .config-navigation {
        position: sticky;
        bottom: 0;
        background: var(--color-white);
        z-index: var(--z-sticky);
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    }
}

/* Mobile Landscape and Small Tablets (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xl: 1.5rem;
    }

    .header .container {
        padding: 0 var(--spacing-md);
    }

    .header-content {
        gap: var(--spacing-md);
    }

    .logo img {
        height: 32px;
    }

    .logo-subtitle {
        display: none;
    }

    .header-nav {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: var(--font-size-xs);
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }

    .viewer-container {
        height: 400px;
        min-height: 400px;
    }

    .dimensions-overlay {
        bottom: var(--spacing-sm);
        left: var(--spacing-sm);
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .dimension-label {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .dimension-label span {
        font-size: var(--font-size-base);
    }

    .viewer-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .viewer-btn {
        width: 36px;
        height: 36px;
    }

    .viewer-btn svg {
        width: 16px;
        height: 16px;
    }

    .view-mode-toggle {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
        flex-direction: column;
        width: auto;
    }

    .view-mode-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .config-header {
        padding: var(--spacing-lg);
    }

    .config-title {
        font-size: var(--font-size-2xl);
    }

    .config-section {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-lg);
        gap: var(--spacing-sm);
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .product-card {
        padding: var(--spacing-md);
    }

    .product-icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--spacing-sm);
    }

    .product-name {
        font-size: var(--font-size-base);
    }

    .dimension-input-group {
        margin-bottom: var(--spacing-lg);
    }

    .color-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .color-content {
        padding: var(--spacing-sm);
    }

    .color-preview {
        width: 40px;
        height: 40px;
    }

    .option-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

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

    .shading-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

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

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

    .config-navigation {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .price-header,
    .price-summary,
    .price-breakdown,
    .price-total,
    .price-actions,
    .contact-info {
        padding: var(--spacing-md);
    }

    .price-title {
        font-size: var(--font-size-xl);
    }

    .breakdown-title {
        font-size: var(--font-size-sm);
    }

    .total-row.final .total-value {
        font-size: var(--font-size-xl);
    }

    .modal-content {
        max-height: 95vh;
        margin: var(--spacing-md);
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-title {
        font-size: var(--font-size-xl);
    }
}

/* Mobile Portrait (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-xl: 1rem;
        --spacing-lg: 0.75rem;
    }

    .header-nav .nav-link:first-child {
        display: none;
    }

    #btn-save-config span {
        display: none;
    }

    .viewer-container {
        height: 300px;
        min-height: 300px;
    }

    .view-mode-toggle {
        display: none;
    }

    .config-title {
        font-size: var(--font-size-xl);
    }

    .config-subtitle {
        font-size: var(--font-size-xs);
    }

    .product-card {
        padding: var(--spacing-sm);
    }

    .product-icon {
        width: 32px;
        height: 32px;
    }

    .product-name {
        font-size: var(--font-size-sm);
    }

    .product-description {
        font-size: var(--font-size-xs);
    }

    .input-dimension {
        font-size: var(--font-size-base);
    }

    .btn-control {
        width: 36px;
        height: 36px;
    }

    .color-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .color-preview {
        width: 32px;
        height: 32px;
    }

    .color-label {
        font-size: var(--font-size-xs);
    }

    .color-name {
        display: none;
    }

    .side-config {
        gap: var(--spacing-md);
    }

    .option-preview {
        width: 48px;
        height: 48px;
    }

    .led-preview {
        width: 32px;
        height: 32px;
    }

    .shading-icon {
        width: 40px;
        height: 40px;
    }

    .config-navigation {
        flex-direction: column;
    }

    .config-navigation .btn {
        width: 100%;
    }

    #btn-prev-step {
        order: 2;
    }

    #btn-next-step {
        order: 1;
    }
}

/* Landscape Orientation Specific */
@media (max-width: 900px) and (orientation: landscape) {
    .viewer-container {
        height: 350px;
        min-height: 350px;
    }

    .config-section {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* Print Styles */
@media print {
    .header,
    .config-panel,
    .viewer-controls,
    .view-mode-toggle,
    .dimensions-overlay,
    .config-navigation,
    .price-actions,
    .contact-info {
        display: none !important;
    }

    .configurator-wrapper {
        display: block;
    }

    .viewer-container {
        height: 400px;
        page-break-inside: avoid;
    }

    .price-panel {
        border: 1px solid var(--color-gray-300);
        page-break-inside: avoid;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .product-card,
    .option-card .option-content,
    .color-card .color-content,
    .checkbox-option {
        border-width: 3px;
    }

    .btn-primary,
    .btn-secondary {
        border: 2px solid currentColor;
    }
}

/* Dark Mode (optional - currently using light mode only) */
@media (prefers-color-scheme: dark) {
    /* Can be implemented later if needed */
}