/* Responsive Design Adaptations */

/* Mobile Portrait */
@media (max-width: 768px) {
    :root {
        --space-xs: 1vmin;
        --space-sm: 1.5vmin;
        --space-md: 3vmin;
        --space-lg: 4vmin;
        --space-xl: 6vmin;
        --space-2xl: 8vmin;
    }
    
    /* Header */
    .app-header {
        padding: var(--space-sm) var(--space-md);
    }
    
    .header-logo {
        height: 6vmin;
    }
    
    .header-title {
        font-size: 4vmin;
    }
    
    .attract-btn {
        font-size: 3vmin;
        padding: var(--space-xs) var(--space-sm);
    }
    
    /* Breadcrumb */
    .breadcrumb {
        padding: var(--space-xs) var(--space-md);
    }
    
    .breadcrumb-item {
        font-size: 2.5vmin;
    }
    
    /* Main Content */
    .main-content {
        padding: var(--space-md);
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    /* Category Cards */
    .category-card {
        padding: var(--space-lg);
    }
    
    .category-icon {
        width: 12vmin;
        height: 12vmin;
        font-size: 6vmin;
    }
    
    .category-name {
        font-size: 4vmin;
    }
    
    .category-count {
        font-size: 2.5vmin;
    }
    
    /* Item Cards */
    .item-card {
        padding: var(--space-md);
    }
    
    .item-icon {
        width: 7vmin;
        height: 7vmin;
        font-size: 3.5vmin;
    }
    
    .item-title {
        font-size: 3vmin;
    }
    
    .item-description {
        font-size: 2.2vmin;
    }
    
    .method-badge {
        font-size: 1.8vmin;
        padding: 0.5vmin 1vmin;
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        max-width: none;
        border-radius: 2vmin 2vmin 0 0;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 85vh;
    }
    
    .modal-body {
        padding: var(--space-lg);
    }
    
    .demo-icon {
        width: 10vmin;
        height: 10vmin;
        font-size: 5vmin;
    }
    
    .demo-title {
        font-size: 4vmin;
    }
    
    .demo-description {
        font-size: 2.5vmin;
    }
    
    .method-card {
        padding: var(--space-md);
    }
    
    .method-icon {
        width: 8vmin;
        height: 8vmin;
        font-size: 4vmin;
    }
    
    .method-platform {
        font-size: 3vmin;
    }
    
    .method-description {
        font-size: 2vmin;
    }
    
    /* Offline Indicator */
    .offline-indicator {
        bottom: var(--space-md);
        right: var(--space-md);
        font-size: 2vmin;
        padding: var(--space-xs) var(--space-sm);
    }
    
    /* QR Modal */
    .qr-modal .modal-content {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        bottom: auto;
        width: 90%;
    }
    
    /* Attraction Screen */
    .attract-welcome {
        font-size: 5vmin;
    }
    
    .attract-tagline {
        font-size: 6vmin;
    }
    
    .attract-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 2vmin;
        max-width: 90vw;
    }
    
    /* For very small screens, stack all badges */
    @media (max-width: 480px) {
        .attract-features {
            grid-template-columns: 1fr;
            gap: 1.5vmin;
        }
    }
    
    .feature-badge {
        padding: 1.5vmin;
    }
    
    .feature-badge i {
        font-size: 4vmin;
    }
    
    .feature-badge span {
        font-size: 2vmin;
    }
    
    .hint-icon {
        font-size: 5vmin;
    }
    
    .hint-text {
        font-size: 3vmin;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .category-icon {
        width: 10vmin;
        height: 10vmin;
        font-size: 5vmin;
    }
    
    .category-name {
        font-size: 3.5vmin;
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 768px) {
    .app-header {
        padding: var(--space-sm) var(--space-lg);
    }
    
    .header-logo {
        height: 4vmin;
    }
    
    .header-title {
        font-size: 2.5vmin;
    }
    
    .main-content {
        grid-template-columns: repeat(auto-fit, minmax(25vmin, 1fr));
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .category-card {
        padding: var(--space-md);
    }
    
    .category-icon {
        width: 6vmin;
        height: 6vmin;
        font-size: 3vmin;
    }
    
    .category-name {
        font-size: 2.5vmin;
    }
    
    /* Attraction Screen */
    .attract-content {
        gap: 2vmin;
        padding: 2vmin;
    }
    
    .logo-img {
        max-height: 15vmin;
    }
    
    .attract-welcome {
        font-size: 3vmin;
    }
    
    .attract-tagline {
        font-size: 4vmin;
    }
    
    .attract-features {
        margin-top: 1vmin;
        grid-template-columns: repeat(5, 1fr);
        gap: 1.5vmin;
    }
    
    .feature-badge {
        padding: 1vmin;
    }
    
    .feature-badge i {
        font-size: 2.5vmin;
    }
    
    .feature-badge span {
        font-size: 1.4vmin;
    }
    
    .attract-hint {
        margin-top: 2vmin;
    }
    
    .hint-icon {
        font-size: 3vmin;
    }
    
    .hint-text {
        font-size: 2vmin;
    }
}

/* Desktop */
@media (min-width: 1025px) {
    .main-content {
        max-width: 1400px;
        margin: 0 auto;
        grid-template-columns: repeat(auto-fit, minmax(35vmin, 1fr));
    }
    
    /* Show hover states on desktop */
    .category-card:hover,
    .item-card:hover,
    .method-card:hover {
        cursor: pointer;
    }
}

/* Touch-specific optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .category-card:hover,
    .item-card:hover,
    .method-card:hover {
        transform: none;
    }
    
    /* Increase touch target sizes */
    .category-card,
    .item-card {
        min-height: 12vmin;
    }
    
    .method-card {
        min-height: 8vmin;
    }
    
    .modal-close,
    .attract-btn {
        min-width: 44px;
        min-height: 44px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-img,
    .header-logo {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Print Styles */
@media print {
    .attract-layer,
    .app-header,
    .breadcrumb,
    .offline-indicator,
    .modal-overlay,
    .modal-close {
        display: none !important;
    }
    
    .main-content {
        overflow: visible;
        padding: 0;
    }
    
    .item-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--mql-gray-300);
    }
}