/* ========================================
   DNG to JPG Converter - Scoped Styles
   Namespaced to prevent WordPress conflicts
======================================== */

/* Reset & Isolation for the converter */
#dngConverterApp,
#dngConverterApp *,
#dngConverterApp *::before,
#dngConverterApp *::after {
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    line-height: 1.5 !important;
    text-decoration: none !important;
    list-style: none !important;
}

#dngConverterApp {
    --dng-primary: #2563eb;
    --dng-primary-dark: #1d4ed8;
    --dng-primary-light: #3b82f6;
    --dng-primary-bg: #eff6ff;
    --dng-success: #10b981;
    --dng-success-bg: #d1fae5;
    --dng-error: #ef4444;
    --dng-error-bg: #fee2e2;
    --dng-white: #ffffff;
    --dng-gray-50: #f8fafc;
    --dng-gray-100: #f1f5f9;
    --dng-gray-200: #e2e8f0;
    --dng-gray-300: #cbd5e1;
    --dng-gray-400: #94a3b8;
    --dng-gray-500: #64748b;
    --dng-gray-600: #475569;
    --dng-gray-700: #334155;
    --dng-gray-800: #1e293b;
    --dng-radius-sm: 6px;
    --dng-radius-md: 8px;
    --dng-radius-lg: 12px;
    --dng-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --dng-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    width: 100% !important;
    max-width: 600px !important;
    margin: 0 auto !important;
    padding: 16px !important;
    font-size: 15px !important;
    color: var(--dng-gray-700) !important;
    background: transparent !important;
}

/* Converter Box */
#dngConverterApp .dng-converter-box {
    background: var(--dng-white) !important;
    border-radius: var(--dng-radius-lg) !important;
    box-shadow: var(--dng-shadow-lg) !important;
    overflow: hidden !important;
    min-height: 400px !important;
}

/* Main Panel - contains upload, settings, files */
#dngConverterApp .dng-main-panel {
    display: block !important;
}

#dngConverterApp .dng-main-panel.hidden {
    display: none !important;
}

/* Upload Area */
#dngConverterApp .upload-area {
    padding: 20px !important;
    background: var(--dng-white) !important;
}

#dngConverterApp .dropzone {
    border: 2px dashed var(--dng-gray-300) !important;
    border-radius: var(--dng-radius-md) !important;
    padding: 24px 16px !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    background: var(--dng-gray-50) !important;
}

#dngConverterApp .dropzone:hover,
#dngConverterApp .dropzone.dragover {
    border-color: var(--dng-primary) !important;
    background: var(--dng-primary-bg) !important;
}

#dngConverterApp .upload-icon {
    width: 40px !important;
    height: 40px !important;
    color: var(--dng-primary) !important;
    margin: 0 auto 12px auto !important;
    display: block !important;
}

#dngConverterApp .dropzone-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--dng-gray-800) !important;
    margin: 0 0 4px 0 !important;
}

#dngConverterApp .dropzone-or {
    display: block !important;
    color: var(--dng-gray-400) !important;
    font-size: 13px !important;
    margin: 0 0 12px 0 !important;
}

/* Buttons */
#dngConverterApp .btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    padding: 10px 20px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    border-radius: var(--dng-radius-sm) !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    line-height: 1.5 !important;
}

#dngConverterApp .btn-icon {
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
}

#dngConverterApp .btn-primary {
    background: linear-gradient(135deg, var(--dng-primary) 0%, var(--dng-primary-dark) 100%) !important;
    color: var(--dng-white) !important;
    box-shadow: var(--dng-shadow) !important;
}

#dngConverterApp .btn-primary:hover {
    transform: translateY(-1px) !important;
    box-shadow: var(--dng-shadow-lg) !important;
}

#dngConverterApp .btn-secondary {
    background: var(--dng-gray-100) !important;
    color: var(--dng-gray-700) !important;
    border: 1px solid var(--dng-gray-200) !important;
    width: 100% !important;
}

#dngConverterApp .btn-secondary:hover {
    background: var(--dng-gray-200) !important;
}

#dngConverterApp .btn-outline {
    background: transparent !important;
    color: var(--dng-primary) !important;
    border: 2px solid var(--dng-primary) !important;
}

#dngConverterApp .btn-outline:hover {
    background: var(--dng-primary) !important;
    color: var(--dng-white) !important;
}

#dngConverterApp .btn-sm {
    padding: 8px 14px !important;
    font-size: 13px !important;
}

#dngConverterApp .btn-text {
    background: none !important;
    border: none !important;
    color: var(--dng-error) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    padding: 0 !important;
}

#dngConverterApp .btn-text:hover {
    text-decoration: underline !important;
}

#dngConverterApp .btn-convert {
    width: 100% !important;
    padding: 14px !important;
    font-size: 15px !important;
    margin: 16px 0 0 0 !important;
}

#dngConverterApp .btn-convert:disabled {
    background: var(--dng-gray-300) !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
    opacity: 0.7 !important;
}

#dngConverterApp .btn-convert:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Settings Panel */
#dngConverterApp .settings-panel {
    padding: 16px 20px !important;
    background: var(--dng-gray-50) !important;
    border-top: 1px solid var(--dng-gray-200) !important;
}

#dngConverterApp .setting-row {
    margin: 0 0 12px 0 !important;
}

#dngConverterApp .setting-row:last-child {
    margin: 0 !important;
}

#dngConverterApp .setting-row > label {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin: 0 0 6px 0 !important;
    cursor: default !important;
}

#dngConverterApp .setting-label {
    font-weight: 500 !important;
    color: var(--dng-gray-700) !important;
    font-size: 14px !important;
}

#dngConverterApp .setting-value {
    font-weight: 600 !important;
    color: var(--dng-primary) !important;
    font-size: 14px !important;
}

/* Slider */
#dngConverterApp .slider {
    width: 100% !important;
    height: 6px !important;
    border-radius: 10px !important;
    background: var(--dng-gray-200) !important;
    outline: none !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    cursor: pointer !important;
}

#dngConverterApp .slider::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 20px !important;
    height: 20px !important;
    border-radius: 50% !important;
    background: var(--dng-primary) !important;
    cursor: pointer !important;
    box-shadow: var(--dng-shadow) !important;
    border: none !important;
}

#dngConverterApp .slider::-moz-range-thumb {
    width: 20px !important;
    height: 20px !important;
    border-radius: 50% !important;
    background: var(--dng-primary) !important;
    cursor: pointer !important;
    border: none !important;
}

/* Checkboxes */
#dngConverterApp .checkboxes {
    display: flex !important;
    gap: 20px !important;
    flex-wrap: wrap !important;
}

#dngConverterApp .checkbox-label {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--dng-gray-700) !important;
}

#dngConverterApp .checkbox-label input[type="checkbox"] {
    position: absolute !important;
    opacity: 0 !important;
    cursor: pointer !important;
    height: 0 !important;
    width: 0 !important;
}

#dngConverterApp .checkmark {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    border: 2px solid var(--dng-gray-300) !important;
    border-radius: 4px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.15s ease !important;
    background: var(--dng-white) !important;
}

#dngConverterApp .checkmark::after {
    content: '' !important;
    width: 5px !important;
    height: 9px !important;
    border: solid white !important;
    border-width: 0 2px 2px 0 !important;
    transform: rotate(45deg) scale(0) !important;
    transition: transform 0.15s ease !important;
    margin-top: -2px !important;
}

#dngConverterApp .checkbox-label input:checked + .checkmark {
    background: var(--dng-primary) !important;
    border-color: var(--dng-primary) !important;
}

#dngConverterApp .checkbox-label input:checked + .checkmark::after {
    transform: rotate(45deg) scale(1) !important;
}

/* Files Panel - Always Visible */
#dngConverterApp .files-panel {
    padding: 16px 20px !important;
    border-top: 1px solid var(--dng-gray-200) !important;
    background: var(--dng-white) !important;
}

#dngConverterApp .files-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin: 0 0 12px 0 !important;
}

#dngConverterApp .files-count {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--dng-gray-700) !important;
}

#dngConverterApp .files-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    min-height: 70px !important;
    max-height: 180px !important;
    overflow-y: auto !important;
}

/* Placeholder for empty state */
#dngConverterApp .files-placeholder {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 70px !important;
    color: var(--dng-gray-400) !important;
    font-size: 13px !important;
    gap: 8px !important;
}

#dngConverterApp .files-placeholder svg {
    width: 24px !important;
    height: 24px !important;
    opacity: 0.5 !important;
}

#dngConverterApp .files-placeholder.hidden {
    display: none !important;
}

/* File Item */
#dngConverterApp .file-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 10px 12px !important;
    background: var(--dng-white) !important;
    border-radius: var(--dng-radius-sm) !important;
    border: 1px solid var(--dng-gray-200) !important;
}

#dngConverterApp .file-icon {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    background: var(--dng-primary-bg) !important;
    border-radius: var(--dng-radius-sm) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#dngConverterApp .file-icon svg {
    width: 20px !important;
    height: 20px !important;
    color: var(--dng-primary) !important;
}

#dngConverterApp .file-details {
    flex: 1 !important;
    min-width: 0 !important;
}

#dngConverterApp .file-name {
    font-weight: 500 !important;
    font-size: 14px !important;
    color: var(--dng-gray-800) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

#dngConverterApp .file-size {
    font-size: 12px !important;
    color: var(--dng-gray-500) !important;
}

#dngConverterApp .file-remove {
    background: none !important;
    border: none !important;
    color: var(--dng-gray-400) !important;
    padding: 6px !important;
    cursor: pointer !important;
    border-radius: 4px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#dngConverterApp .file-remove:hover {
    color: var(--dng-error) !important;
    background: var(--dng-error-bg) !important;
}

#dngConverterApp .file-remove svg {
    width: 18px !important;
    height: 18px !important;
}

/* Progress Panel - replaces main panel during conversion */
#dngConverterApp .dng-progress-panel {
    display: none !important;
    padding: 60px 20px !important;
    text-align: center !important;
    background: var(--dng-white) !important;
    min-height: 400px !important;
}

#dngConverterApp .dng-progress-panel.active {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

#dngConverterApp .spinner {
    width: 48px !important;
    height: 48px !important;
    margin: 0 auto 16px auto !important;
    display: block !important;
    animation: dngRotate 2s linear infinite !important;
}

#dngConverterApp .spinner circle {
    stroke: var(--dng-primary) !important;
    stroke-linecap: round !important;
    animation: dngDash 1.5s ease-in-out infinite !important;
}

@keyframes dngRotate {
    100% { transform: rotate(360deg); }
}

@keyframes dngDash {
    0% { stroke-dasharray: 1, 150; stroke-dashoffset: 0; }
    50% { stroke-dasharray: 90, 150; stroke-dashoffset: -35; }
    100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; }
}

#dngConverterApp .progress-text {
    font-size: 15px !important;
    font-weight: 500 !important;
    color: var(--dng-gray-700) !important;
    margin: 0 0 16px 0 !important;
}

#dngConverterApp .progress-bar-wrap {
    height: 8px !important;
    background: var(--dng-gray-200) !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    margin: 0 0 8px 0 !important;
}

#dngConverterApp .progress-bar {
    height: 100% !important;
    width: 0%;
    background: linear-gradient(90deg, var(--dng-primary), var(--dng-primary-light)) !important;
    border-radius: 10px !important;
    transition: width 0.1s linear !important;
    position: relative !important;
}

#dngConverterApp .progress-bar::after {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent) !important;
    animation: dngShimmer 1.5s infinite !important;
}

@keyframes dngShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

#dngConverterApp .progress-percent {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--dng-primary) !important;
}

/* Results Panel - replaces main panel after conversion */
#dngConverterApp .dng-results-panel {
    display: none !important;
    padding: 20px !important;
    background: var(--dng-white) !important;
    min-height: 400px !important;
}

#dngConverterApp .dng-results-panel.active {
    display: block !important;
}

#dngConverterApp .results-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin: 0 0 16px 0 !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
}

#dngConverterApp .results-title {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--dng-success) !important;
}

#dngConverterApp .success-icon {
    width: 22px !important;
    height: 22px !important;
}

#dngConverterApp .results-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    margin: 0 0 16px 0 !important;
    max-height: 200px !important;
    overflow-y: auto !important;
}

#dngConverterApp .result-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 10px 12px !important;
    background: var(--dng-success-bg) !important;
    border-radius: var(--dng-radius-sm) !important;
    border: 1px solid var(--dng-success) !important;
}

#dngConverterApp .result-preview {
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    border-radius: 4px !important;
    object-fit: cover !important;
    background: var(--dng-gray-200) !important;
}

#dngConverterApp .result-info {
    flex: 1 !important;
    min-width: 0 !important;
}

#dngConverterApp .result-name {
    font-weight: 500 !important;
    font-size: 14px !important;
    color: var(--dng-gray-800) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

#dngConverterApp .result-meta {
    font-size: 12px !important;
    color: var(--dng-gray-600) !important;
}

#dngConverterApp .result-download .btn {
    white-space: nowrap !important;
}

/* Scrollbar */
#dngConverterApp .files-list::-webkit-scrollbar,
#dngConverterApp .results-list::-webkit-scrollbar {
    width: 6px !important;
}

#dngConverterApp .files-list::-webkit-scrollbar-track,
#dngConverterApp .results-list::-webkit-scrollbar-track {
    background: var(--dng-gray-100) !important;
    border-radius: 10px !important;
}

#dngConverterApp .files-list::-webkit-scrollbar-thumb,
#dngConverterApp .results-list::-webkit-scrollbar-thumb {
    background: var(--dng-gray-300) !important;
    border-radius: 10px !important;
}

/* ========================================
   Features Section
======================================== */
#dngConverterApp .features-section {
    padding: 40px 0 !important;
}

#dngConverterApp .section-title {
    text-align: center !important;
    font-size: 24px !important;
    font-weight: 700 !important;
    color: var(--dng-gray-800) !important;
    margin: 0 0 32px 0 !important;
}

#dngConverterApp .features-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    gap: 20px !important;
}

#dngConverterApp .feature-card {
    background: var(--dng-white) !important;
    padding: 24px !important;
    border-radius: var(--dng-radius-lg) !important;
    box-shadow: var(--dng-shadow) !important;
    transition: all 0.2s ease !important;
}

#dngConverterApp .feature-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--dng-shadow-lg) !important;
}

#dngConverterApp .feature-icon {
    width: 48px !important;
    height: 48px !important;
    background: var(--dng-primary-bg) !important;
    border-radius: var(--dng-radius-md) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 0 16px 0 !important;
}

#dngConverterApp .feature-icon svg {
    width: 24px !important;
    height: 24px !important;
    color: var(--dng-primary) !important;
}

#dngConverterApp .feature-card h3 {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--dng-gray-800) !important;
    margin: 0 0 8px 0 !important;
}

#dngConverterApp .feature-card p {
    color: var(--dng-gray-600) !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    margin: 0 !important;
}

/* ========================================
   How To Section
======================================== */
#dngConverterApp .howto-section {
    padding: 40px 0 !important;
}

#dngConverterApp .steps-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
    gap: 24px !important;
}

#dngConverterApp .step-card {
    text-align: center !important;
    padding: 24px !important;
}

#dngConverterApp .step-number {
    width: 48px !important;
    height: 48px !important;
    background: linear-gradient(135deg, var(--dng-primary) 0%, var(--dng-primary-dark) 100%) !important;
    color: var(--dng-white) !important;
    font-size: 20px !important;
    font-weight: 700 !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto 16px auto !important;
}

#dngConverterApp .step-card h3 {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--dng-gray-800) !important;
    margin: 0 0 8px 0 !important;
}

#dngConverterApp .step-card p {
    color: var(--dng-gray-600) !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    margin: 0 !important;
}

/* ========================================
   Notification (Global but namespaced)
======================================== */
.dng-notification {
    position: fixed !important;
    top: 16px !important;
    right: 16px !important;
    padding: 12px 20px !important;
    border-radius: 6px !important;
    color: white !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    z-index: 999999 !important;
    animation: dngSlideIn 0.3s ease !important;
    max-width: calc(100% - 32px) !important;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1) !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    box-sizing: border-box !important;
}

@keyframes dngSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes dngSlideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ========================================
   Responsive - Mobile First (Default)
======================================== */

/* Extra small devices (phones in portrait) */
@media (max-width: 380px) {
    #dngConverterApp {
        padding: 8px !important;
    }
    
    #dngConverterApp .dng-converter-box {
        min-height: 380px !important;
        border-radius: 8px !important;
    }
    
    #dngConverterApp .upload-area,
    #dngConverterApp .settings-panel,
    #dngConverterApp .files-panel,
    #dngConverterApp .dng-results-panel {
        padding: 12px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 16px 12px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 32px !important;
        height: 32px !important;
        margin-bottom: 8px !important;
    }
    
    #dngConverterApp .dropzone-title {
        font-size: 14px !important;
    }
    
    #dngConverterApp .dropzone-or {
        font-size: 12px !important;
        margin-bottom: 8px !important;
    }
    
    #dngConverterApp .btn {
        padding: 10px 16px !important;
        font-size: 13px !important;
        min-height: 44px !important;
    }
    
    #dngConverterApp .btn-convert {
        padding: 12px !important;
        font-size: 14px !important;
    }
    
    #dngConverterApp .setting-label,
    #dngConverterApp .setting-value {
        font-size: 13px !important;
    }
    
    #dngConverterApp .checkbox-label {
        font-size: 13px !important;
    }
    
    #dngConverterApp .files-count {
        font-size: 13px !important;
    }
    
    #dngConverterApp .file-name {
        font-size: 13px !important;
    }
    
    #dngConverterApp .file-size {
        font-size: 11px !important;
    }
    
    #dngConverterApp .files-placeholder {
        min-height: 60px !important;
        font-size: 12px !important;
    }
    
    #dngConverterApp .files-placeholder svg {
        width: 20px !important;
        height: 20px !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 380px !important;
        padding: 40px 16px !important;
    }
    
    #dngConverterApp .spinner {
        width: 40px !important;
        height: 40px !important;
    }
    
    #dngConverterApp .progress-text {
        font-size: 14px !important;
    }
    
    #dngConverterApp .progress-percent {
        font-size: 18px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        min-height: 380px !important;
    }
    
    #dngConverterApp .results-title {
        font-size: 14px !important;
    }
    
    #dngConverterApp .result-preview {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
    }
    
    #dngConverterApp .result-name {
        font-size: 13px !important;
    }
    
    #dngConverterApp .result-meta {
        font-size: 11px !important;
    }
    
    #dngConverterApp .section-title {
        font-size: 18px !important;
        margin-bottom: 20px !important;
    }
    
    #dngConverterApp .features-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    #dngConverterApp .feature-card {
        padding: 16px !important;
    }
    
    #dngConverterApp .feature-icon {
        width: 40px !important;
        height: 40px !important;
        margin-bottom: 12px !important;
    }
    
    #dngConverterApp .feature-icon svg {
        width: 20px !important;
        height: 20px !important;
    }
    
    #dngConverterApp .feature-card h3 {
        font-size: 14px !important;
    }
    
    #dngConverterApp .feature-card p {
        font-size: 13px !important;
    }
    
    #dngConverterApp .steps-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    #dngConverterApp .step-card {
        padding: 16px !important;
    }
    
    #dngConverterApp .step-number {
        width: 40px !important;
        height: 40px !important;
        font-size: 18px !important;
    }
    
    #dngConverterApp .step-card h3 {
        font-size: 14px !important;
    }
    
    #dngConverterApp .step-card p {
        font-size: 13px !important;
    }
}

/* Small devices (phones in landscape, small tablets) */
@media (min-width: 381px) and (max-width: 480px) {
    #dngConverterApp {
        padding: 12px !important;
    }
    
    #dngConverterApp .dng-converter-box {
        min-height: 400px !important;
    }
    
    #dngConverterApp .upload-area,
    #dngConverterApp .settings-panel,
    #dngConverterApp .files-panel,
    #dngConverterApp .dng-results-panel {
        padding: 14px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 20px 14px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 36px !important;
        height: 36px !important;
    }
    
    #dngConverterApp .dropzone-title {
        font-size: 15px !important;
    }
    
    #dngConverterApp .btn {
        min-height: 44px !important;
    }
    
    #dngConverterApp .checkboxes {
        flex-direction: column !important;
        gap: 12px !important;
    }
    
    #dngConverterApp .results-header {
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    
    #dngConverterApp .result-item {
        flex-wrap: wrap !important;
    }
    
    #dngConverterApp .result-download {
        width: 100% !important;
        margin-top: 8px !important;
    }
    
    #dngConverterApp .result-download .btn {
        width: 100% !important;
    }
    
    #dngConverterApp .section-title {
        font-size: 20px !important;
    }
    
    #dngConverterApp .features-section,
    #dngConverterApp .howto-section {
        padding: 24px 0 !important;
    }
    
    #dngConverterApp .features-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    #dngConverterApp .feature-card {
        padding: 20px !important;
    }
    
    #dngConverterApp .steps-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    #dngConverterApp .step-card {
        padding: 16px !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 400px !important;
        padding: 50px 20px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        min-height: 400px !important;
    }
}

/* Medium devices (tablets) */
@media (min-width: 481px) and (max-width: 767px) {
    #dngConverterApp {
        padding: 16px !important;
    }
    
    #dngConverterApp .dng-converter-box {
        min-height: 420px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 28px 20px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 44px !important;
        height: 44px !important;
    }
    
    #dngConverterApp .dropzone-title {
        font-size: 17px !important;
    }
    
    #dngConverterApp .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    #dngConverterApp .steps-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 420px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        min-height: 420px !important;
    }
}

/* Large devices (desktops) */
@media (min-width: 768px) and (max-width: 1023px) {
    #dngConverterApp {
        padding: 20px !important;
    }
    
    #dngConverterApp .dng-converter-box {
        min-height: 440px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 32px 24px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 48px !important;
        height: 48px !important;
    }
    
    #dngConverterApp .dropzone-title {
        font-size: 18px !important;
    }
    
    #dngConverterApp .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
    
    #dngConverterApp .steps-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 440px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        min-height: 440px !important;
    }
}

/* Extra large devices (large desktops) */
@media (min-width: 1024px) {
    #dngConverterApp {
        padding: 24px !important;
        max-width: 640px !important;
    }
    
    #dngConverterApp .dng-converter-box {
        min-height: 460px !important;
    }
    
    #dngConverterApp .upload-area {
        padding: 24px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 36px 28px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 52px !important;
        height: 52px !important;
        margin-bottom: 16px !important;
    }
    
    #dngConverterApp .dropzone-title {
        font-size: 19px !important;
        margin-bottom: 6px !important;
    }
    
    #dngConverterApp .dropzone-or {
        margin-bottom: 14px !important;
    }
    
    #dngConverterApp .btn-primary {
        padding: 12px 24px !important;
        font-size: 15px !important;
    }
    
    #dngConverterApp .settings-panel {
        padding: 18px 24px !important;
    }
    
    #dngConverterApp .files-panel {
        padding: 18px 24px !important;
    }
    
    #dngConverterApp .files-list {
        min-height: 80px !important;
        max-height: 200px !important;
    }
    
    #dngConverterApp .btn-convert {
        padding: 16px !important;
        font-size: 16px !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 460px !important;
        padding: 80px 24px !important;
    }
    
    #dngConverterApp .spinner {
        width: 56px !important;
        height: 56px !important;
        margin-bottom: 20px !important;
    }
    
    #dngConverterApp .progress-text {
        font-size: 16px !important;
        margin-bottom: 20px !important;
    }
    
    #dngConverterApp .progress-bar-wrap {
        height: 10px !important;
        margin-bottom: 12px !important;
    }
    
    #dngConverterApp .progress-percent {
        font-size: 24px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        padding: 24px !important;
        min-height: 460px !important;
    }
    
    #dngConverterApp .results-title {
        font-size: 18px !important;
    }
    
    #dngConverterApp .result-preview {
        width: 56px !important;
        height: 56px !important;
        min-width: 56px !important;
    }
    
    #dngConverterApp .features-section {
        padding: 48px 0 !important;
    }
    
    #dngConverterApp .section-title {
        font-size: 26px !important;
        margin-bottom: 36px !important;
    }
    
    #dngConverterApp .features-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 24px !important;
    }
    
    #dngConverterApp .feature-card {
        padding: 28px !important;
    }
    
    #dngConverterApp .feature-icon {
        width: 52px !important;
        height: 52px !important;
    }
    
    #dngConverterApp .feature-icon svg {
        width: 26px !important;
        height: 26px !important;
    }
    
    #dngConverterApp .feature-card h3 {
        font-size: 17px !important;
        margin-bottom: 10px !important;
    }
    
    #dngConverterApp .feature-card p {
        font-size: 14px !important;
    }
    
    #dngConverterApp .howto-section {
        padding: 48px 0 !important;
    }
    
    #dngConverterApp .steps-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 28px !important;
    }
    
    #dngConverterApp .step-card {
        padding: 28px !important;
    }
    
    #dngConverterApp .step-number {
        width: 52px !important;
        height: 52px !important;
        font-size: 22px !important;
    }
    
    #dngConverterApp .step-card h3 {
        font-size: 17px !important;
    }
    
    #dngConverterApp .step-card p {
        font-size: 14px !important;
    }
}

/* Touch-friendly hover states for mobile */
@media (hover: none) and (pointer: coarse) {
    #dngConverterApp .btn-primary:hover {
        transform: none !important;
    }
    
    #dngConverterApp .feature-card:hover {
        transform: none !important;
    }
    
    #dngConverterApp .dropzone:active {
        border-color: var(--dng-primary) !important;
        background: var(--dng-primary-bg) !important;
    }
    
    #dngConverterApp .btn:active {
        transform: scale(0.98) !important;
    }
}

/* High resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #dngConverterApp .dng-converter-box {
        box-shadow: 0 8px 20px -4px rgb(0 0 0 / 0.12), 0 4px 8px -4px rgb(0 0 0 / 0.08) !important;
    }
}

/* Landscape mode on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    #dngConverterApp .dng-converter-box {
        min-height: 320px !important;
    }
    
    #dngConverterApp .dng-progress-panel {
        min-height: 320px !important;
        padding: 30px 20px !important;
    }
    
    #dngConverterApp .dng-results-panel {
        min-height: 320px !important;
    }
    
    #dngConverterApp .dropzone {
        padding: 16px 14px !important;
    }
    
    #dngConverterApp .upload-icon {
        width: 32px !important;
        height: 32px !important;
        margin-bottom: 8px !important;
    }
    
    #dngConverterApp .files-list {
        min-height: 50px !important;
        max-height: 100px !important;
    }
    
    #dngConverterApp .results-list {
        max-height: 120px !important;
    }
}