/* Image Resizer - Enhanced Responsive Design */

/* Enhanced Mobile-First Approach */
@media (max-width: 480px) {
    body {
        padding: 10px;
        font-size: 14px;
    }

    .container {
        padding: 1rem;
        border-radius: 1rem;
        margin: 0;
    }
    

    .header h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .header p {
        font-size: 0.9rem;
        margin-top: 0.25rem;
    }

    .upload-area {
        padding: 1.5rem 1rem;
        border-radius: 1rem;
    }

    .cta-text {
        font-size: 1rem;
    }

    .drag-text {
        font-size: 0.8rem;
    }

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

    .input-group {
        gap: 0.25rem;
    }

    .input-label {
        font-size: 0.8rem;
        margin-left: 0.25rem;
    }

    input, select {
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
        border-radius: 0.5rem;
    }

    .action-buttons {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    button, #downloadLink {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
        border-radius: 0.5rem;
    }

    #preview {
        max-height: 200px;
        border-radius: 0.75rem;
    }

    .seo-description {
        padding: 1rem;
        font-size: 0.8rem;
        border-radius: 0.75rem;
    }

    footer {
        font-size: 0.75rem;
        padding-top: 1rem;
    }

    footer a {
        margin: 0 0.25rem;
    }

    /* Theme toggle adjustments */
    .theme-toggle {
        width: 40px;
        height: 40px;
        top: 0.75rem;
        right: 0.75rem;
    }

    .theme-icon {
        width: 18px;
        height: 18px;
    }

    /* Progress indicator adjustments */
    .progress-container {
        padding: 1.5rem;
        min-width: 240px;
        border-radius: 1rem;
    }

    .progress-ring {
        width: 70px;
        height: 70px;
    }

    .progress-icon {
        font-size: 1.5rem;
    }

    .progress-text {
        font-size: 0.9rem;
    }

    .progress-subtext {
        font-size: 0.75rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 360px) {
    body {
        padding: 8px;
    }

    .container {
        padding: 0.75rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .upload-area {
        padding: 1.25rem 0.75rem;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
        top: 0.5rem;
        right: 0.5rem;
    }

    .theme-icon {
        width: 16px;
        height: 16px;
    }

    .progress-container {
        padding: 1rem;
        min-width: 220px;
    }

    .progress-ring {
        width: 60px;
        height: 60px;
    }
}

/* Tablet Portrait */
@media (min-width: 481px) and (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container {
        padding: 2rem 1.5rem;
        border-radius: 1.5rem;
    }

    .header h1 {
        font-size: 2.5rem;
    }

    .header p {
        font-size: 1.1rem;
    }

    .upload-area {
        padding: 2rem 1.5rem;
    }

    .controls {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .action-buttons {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    #preview {
        max-height: 250px;
    }

    .theme-toggle {
        width: 48px;
        height: 48px;
    }

    .theme-icon {
        width: 24px;
        height: 24px;
    }
}

/* Tablet Landscape */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 600px;
        padding: 2.5rem;
    }

    .controls {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* Desktop Small */
@media (min-width: 1025px) and (max-width: 1200px) {
    .container {
        max-width: 700px;
    }
}

/* Desktop Large */
@media (min-width: 1201px) {
    .container {
        max-width: 800px;
        padding: 3rem;
    }

    .header h1 {
        font-size: 3.5rem;
    }

    .header p {
        font-size: 1.3rem;
    }

    .upload-area {
        padding: 3.5rem 2.5rem;
    }

    .cta-text {
        font-size: 1.4rem;
    }

    .drag-text {
        font-size: 1rem;
    }
}

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

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 500px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 1rem;
    }

    .header {
        margin-bottom: 1rem;
    }

    .header h1 {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }

    .header p {
        font-size: 0.9rem;
        margin-top: 0.25rem;
    }

    .upload-area {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .controls {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .action-buttons {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    #preview {
        max-height: 150px;
        margin-bottom: 0.5rem;
    }

    .seo-description {
        margin-top: 1rem;
        padding: 1rem;
    }

    footer {
        margin-top: 1rem;
        padding-top: 1rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }

    .theme-toggle,
    .progress-container,
    .overlay {
        display: none !important;
    }

    .container {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }

    .upload-area {
        border: 1px solid #ccc !important;
        background: white !important;
    }

    button, #downloadLink {
        background: #f0f0f0 !important;
        color: black !important;
        border: 1px solid #ccc !important;
    }
}

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

    .hero-icon {
        animation: none !important;
    }

    .progress-icon {
        animation: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-primary: #000000;
        --text-secondary: #333333;
    }

    :root.dark-mode {
        --border-color: #ffffff;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
    }

    button, #downloadLink {
        border: 2px solid currentColor !important;
    }

    input, select {
        border: 2px solid currentColor !important;
    }
}

/* Focus Styles for Accessibility */
@media (prefers-reduced-motion: no-preference) {
    button:focus,
    input:focus,
    select:focus,
    #downloadLink:focus {
        outline: 3px solid #6366f1;
        outline-offset: 2px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .theme-toggle {
        min-width: 44px;
        min-height: 44px;
    }

    button, #downloadLink {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    input, select {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    .upload-area {
        min-height: 120px;
    }
}

/* Dark Mode Optimizations */
@media (prefers-color-scheme: dark) {
    :root:not(.dark-mode) {
        /* --bg-main: radial-gradient(ellipse at center, #4c1d95 0%, #6b21a8 30%, #1e293b 60%, #0f172a 90%, #020617 100%); */
        --bg-card: rgba(31, 41, 55, 0.9);
        --bg-glass: rgba(31, 41, 55, 0.7);
        --text-primary: #ffffff;
        --text-secondary: #e2e8f0;
        --text-muted: #9ca3af;
        --border-color: rgba(255, 255, 255, 0.1);
    }
}

/* Light Mode Optimizations */
@media (prefers-color-scheme: light) {
    :root:not(.dark-mode) {
        --bg-main: radial-gradient(ellipse at center, #a855f7 0%, #c084fc 30%, #e0e7ff 60%, #f1f5f9 90%, #ffffff 100%);
        --bg-card: rgba(255, 255, 255, 0.95);
        --bg-glass: rgba(255, 255, 255, 0.1);
        --text-primary: #1f2937;
        --text-secondary: #6b7280;
        --text-muted: #9ca3af;
        --border-color: #e5e7eb;
    }
}