/* Mobile First Approach */

/* Mobile Styles */
@media screen and (max-width: 768px) {
    /* Show mobile header and hide desktop sidebar */
    .mobile-header {
        display: block;
    }

    .mobile-menu-overlay {
        display: block;
    }

    .sidebar {
        display: none;
    }

    /* Main content full width on mobile */
    .main-content {
        margin-left: 0;
        width: 100%;
        padding-top: 60px; /* Account for fixed mobile header */
    }

    .gallery-container {
        padding: 1rem;
    }

    /* Mobile Filter Toggle */
    .mobile-filter-buttons {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .mobile-filter-buttons.expanded {
        max-height: 400px;
    }

    .mobile-filter-toggle {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Base Mobile Styles (320px - 480px) */
@media screen and (max-width: 480px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    /* Header */
    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    /* Hero Section */
    .hero {
        height: 50vh;
        min-height: 300px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    /* Gallery Grid - Masonry Mobile - handled by JavaScript */

    /* Forms */
    .form-group {
        margin-bottom: 1rem;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* Tablet Styles (481px - 768px) */
@media screen and (min-width: 481px) and (max-width: 768px) {
    /* Gallery Grid - Masonry Tablet - handled by JavaScript */

    /* Hero Section */
    .hero-content h1 {
        font-size: 3rem;
    }
}

/* Desktop Styles (769px - 1024px) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    /* Gallery Grid - Masonry Desktop - handled by JavaScript */
}

/* Large Desktop Styles (1025px - 1440px) */
@media screen and (min-width: 1025px) and (max-width: 1440px) {
    /* Gallery Grid - Masonry Large Desktop - handled by JavaScript */

    /* Container */
    .container {
        padding: 0 2rem;
    }
}

/* Ultra-wide Desktop Styles (1441px+) */
@media screen and (min-width: 1441px) {
    /* Gallery Grid - Masonry Ultra-wide - handled by JavaScript */

    /* Container */
    .container {
        padding: 0 2rem;
    }
}

/* Shared Responsive Styles */
@media screen and (max-width: 768px) {
    /* Lightbox Navigation */
    .lightbox .prev,
    .lightbox .next {
        padding: 0.5rem;
        font-size: 1.5rem;
    }

    .lightbox .prev { left: 10px; }
    .lightbox .next { right: 10px; }

    /* Album Header */
    .album-header {
        padding: 0 1rem;
    }

    /* Breadcrumb */
    .breadcrumb {
        padding: 0 1rem;
    }

    /* About Page Mobile */
    .about-container {
        padding: 2rem 1rem;
    }

    .about-hero {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        margin-bottom: 3rem;
        padding: 2rem 0;
    }

    .social-connect {
        padding: 2rem 1rem;
        margin: 0 -1rem;
    }

    .profile-image img,
    .profile-placeholder {
        width: 150px;
        height: 150px;
    }

    .profile-image img:hover {
        transform: scale(1.02); /* Reduced hover effect on mobile */
    }

    .profile-icon {
        font-size: 2rem;
    }

    .profile-placeholder p {
        font-size: 0.8rem;
    }

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

    .specialty-item {
        padding: 1rem;
    }
}

/* High DPI Screens */
@media screen and (min-resolution: 192dpi) {
    /* Optimize images for retina displays */
    .gallery-item img {
        transform: translateZ(0); /* Hardware acceleration */
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    .gallery-filters,
    .load-more-btn,
    .lightbox {
        display: none;
    }

    .gallery-grid,
    .album-grid {
        /* Print layout handled by JavaScript masonry */
    }

    .gallery-item {
        page-break-inside: avoid;
        break-inside: avoid;
    }

    .gallery-item img {
        page-break-inside: avoid;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #f5f6fa;
        --light-gray: #2c3e50;
        --medium-gray: #7f8c8d;
        --dark-gray: #1a252f;
        --white: #1a1a1a;
    }

    body {
        background-color: var(--white);
        color: var(--text-color);
    }

    header {
        background-color: var(--dark-gray);
    }

    .nav-links a {
        color: var(--text-color);
    }

    input, textarea, select {
        background-color: var(--dark-gray);
        color: var(--text-color);
        border-color: var(--medium-gray);
    }

    /* Force lightbox text to always be white in dark mode */
    .lightbox .image-info,
    .lightbox .image-info h3,
    .lightbox .image-info .exif-value,
    .lightbox .image-info .tag,
    .lightbox .image-title,
    .lightbox .image-date {
        color: #ffffff !important;
    }

    .lightbox .image-info .exif-label {
        color: rgba(255,255,255,0.7) !important;
    }
}