/* ============================================
   DNG to JPG Converter
   Light Mode Default + Dark Mode Support
   Blue Theme (Image Converters)
   ============================================ */

:root {
    --dtj-transition: 0.25s;

    --dtj-primary: #3399cc;
    --dtj-primary-light: #e0f2fe;
    --dtj-primary-dark: #2980b9;
    --dtj-accent: #60a5fa;

    --dtj-success: #339966;
    --dtj-success-light: #d1fae5;
    --dtj-warning: #f59e0b;
    --dtj-warning-light: #fef3c7;
    --dtj-danger: #e64e4e;
    --dtj-danger-light: #fee2e2;

    --dtj-bg: #f0f9ff;
    --dtj-bg-elevated: #ffffff;
    --dtj-bg-secondary: #e0f2fe;
    --dtj-bg-tertiary: #bae6fd;

    --dtj-text: #0c4a6e;
    --dtj-text-secondary: #075985;
    --dtj-text-muted: #6b7280;

    --dtj-border: #bae6fd;
    --dtj-border-light: #e0f2fe;

    --dtj-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --dtj-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --dtj-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --dtj-shadow-primary: 0 4px 14px rgba(51,153,204,0.25);
    --dtj-shadow-primary-hover: 0 6px 20px rgba(51,153,204,0.35);

    --dtj-radius-sm: 6px;
    --dtj-radius-md: 12px;
    --dtj-radius-lg: 16px;
    --dtj-radius-xl: 24px;
    --dtj-radius-full: 9999px;
}

[data-theme="dark"] {
    --dtj-primary: #60a5fa;
    --dtj-primary-light: rgba(96,165,250,0.15);
    --dtj-primary-dark: #3b82f6;
    --dtj-accent: #93c5fd;

    --dtj-success: #34d399;
    --dtj-success-light: rgba(52,211,153,0.15);
    --dtj-warning: #fbbf24;
    --dtj-warning-light: rgba(251,191,36,0.15);
    --dtj-danger: #f87171;
    --dtj-danger-light: rgba(248,113,113,0.15);

    --dtj-bg: #0c1929;
    --dtj-bg-elevated: #152238;
    --dtj-bg-secondary: #1e3a5f;
    --dtj-bg-tertiary: #264a6e;

    --dtj-text: #e0f2fe;
    --dtj-text-secondary: #bae6fd;
    --dtj-text-muted: #a8a8b3;

    --dtj-border: #264a6e;
    --dtj-border-light: #1e3a5f;

    --dtj-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --dtj-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --dtj-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
}

/* ============================================
   custom_styles.css overrides
   ============================================ */
.tool-container {
    overflow: visible !important;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* ============================================
   Tool Header
   ============================================ */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dtj-primary);
}

.tool-title i { color: var(--dtj-primary); }

.tool-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--dtj-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.tool-description a {
    color: var(--dtj-primary);
    text-decoration: none;
}

.tool-description a:hover { text-decoration: underline; }

/* ============================================
   Upload / Dropzone
   ============================================ */
.dtj-upload-section { margin-bottom: 1.5rem; }

.dtj-dropzone {
    background: var(--dtj-bg-elevated);
    border: 2px dashed var(--dtj-border);
    border-radius: var(--dtj-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--dtj-transition);
    box-shadow: var(--dtj-shadow-sm);
}

.dtj-dropzone:hover,
.dtj-dropzone.dtj-dragover {
    border-color: var(--dtj-primary);
    background: var(--dtj-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--dtj-shadow-md);
}

.dtj-dropzone-icon {
    color: var(--dtj-primary);
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
}

.dtj-dropzone-title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dtj-text);
}

.dtj-dropzone-subtitle {
    margin: 0 0 1.25rem;
    color: var(--dtj-text-muted);
    font-size: 0.95rem;
}

.dtj-format-badges {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--dtj-text-muted);
}

.dtj-format-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--dtj-bg-secondary);
    color: var(--dtj-text);
    border-radius: var(--dtj-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.dtj-format-badge-out {
    background: var(--dtj-primary-light);
    color: var(--dtj-primary);
}

.dtj-upload-hints {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 1rem;
}

.dtj-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--dtj-text-muted);
    font-size: 0.825rem;
}

.dtj-hint i { color: var(--dtj-primary); opacity: 0.7; }

/* ============================================
   Buttons
   ============================================ */
.dtj-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--dtj-radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--dtj-transition);
    font-family: inherit;
}

.dtj-btn-primary {
    background: var(--dtj-primary);
    color: #ffffff;
    box-shadow: var(--dtj-shadow-primary);
}

.dtj-btn-primary:hover {
    background: var(--dtj-primary-dark);
    box-shadow: var(--dtj-shadow-primary-hover);
    transform: translateY(-1px);
    color: #ffffff;
}

.dtj-btn-secondary {
    background: var(--dtj-bg-secondary);
    color: var(--dtj-text);
    border: 1px solid var(--dtj-border);
}

.dtj-btn-secondary:hover {
    background: var(--dtj-primary-light);
    color: var(--dtj-primary);
    border-color: var(--dtj-primary);
}

.dtj-btn-text {
    background: transparent;
    border: none;
    color: var(--dtj-text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--dtj-radius-sm);
    transition: all var(--dtj-transition);
    font-family: inherit;
}

.dtj-btn-text:hover {
    background: var(--dtj-bg-secondary);
    color: var(--dtj-danger);
}

/* ============================================
   Files Section
   ============================================ */
.dtj-files-section {
    background: var(--dtj-bg-elevated);
    border-radius: var(--dtj-radius-lg);
    box-shadow: var(--dtj-shadow-md);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.dtj-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--dtj-bg-secondary);
    border-bottom: 1px solid var(--dtj-border);
}

.dtj-files-header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--dtj-text);
}

.dtj-files-header-left i { color: var(--dtj-primary); }

.dtj-file-list {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    max-height: 360px;
    overflow-y: auto;
}

.dtj-file-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.625rem 0.875rem;
    background: var(--dtj-bg);
    border: 1px solid var(--dtj-border-light);
    border-radius: var(--dtj-radius-md);
    min-width: 0;
}

.dtj-file-preview {
    width: 48px;
    height: 48px;
    border-radius: var(--dtj-radius-sm);
    background: var(--dtj-bg-secondary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dtj-primary);
}

.dtj-file-info { flex: 1; min-width: 0; }

.dtj-file-name {
    font-weight: 600;
    color: var(--dtj-text);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dtj-file-meta {
    font-size: 0.8rem;
    color: var(--dtj-text-muted);
    margin-top: 0.125rem;
}

.dtj-file-remove {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--dtj-border);
    color: var(--dtj-text-muted);
    border-radius: var(--dtj-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--dtj-transition);
}

.dtj-file-remove:hover {
    background: var(--dtj-danger-light);
    color: var(--dtj-danger);
    border-color: var(--dtj-danger);
}

/* ============================================
   Settings Panel
   ============================================ */
.dtj-settings-panel {
    padding: 1.5rem;
    border-top: 1px solid var(--dtj-border);
    background: var(--dtj-bg);
}

.dtj-settings-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dtj-text);
    margin: 0 0 1.25rem;
}

.dtj-settings-title i { color: var(--dtj-primary); }

.dtj-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.dtj-setting-row { min-width: 0; }

.dtj-setting-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dtj-text);
    font-size: 0.9rem;
}

.dtj-setting-label > span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.dtj-setting-label i { color: var(--dtj-primary); }

.dtj-setting-value {
    font-size: 0.8rem;
    color: var(--dtj-primary);
    font-weight: 600;
    background: var(--dtj-primary-light);
    padding: 0.125rem 0.5rem;
    border-radius: var(--dtj-radius-full);
    min-width: 40px;
    text-align: center;
}

.dtj-setting-hint {
    margin: 0.375rem 0 0;
    color: var(--dtj-text-muted);
    font-size: 0.8rem;
}

.dtj-select,
.dtj-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--dtj-border);
    border-radius: var(--dtj-radius-md);
    background: var(--dtj-bg-elevated);
    color: var(--dtj-text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--dtj-transition), box-shadow var(--dtj-transition);
}

.dtj-select:focus,
.dtj-input:focus {
    border-color: var(--dtj-primary);
    box-shadow: 0 0 0 3px rgba(51,153,204,0.15);
}

/* Range slider styling - scoped to .dtj-range */
.dtj-range {
    width: 100%;
    height: 6px;
    border-radius: var(--dtj-radius-full);
    background: var(--dtj-bg-secondary);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    margin: 0.5rem 0 0;
    cursor: pointer;
}

.dtj-range::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--dtj-primary);
    cursor: pointer;
    border: 2px solid var(--dtj-bg-elevated);
    box-shadow: 0 0 0 1px var(--dtj-primary);
    transition: transform var(--dtj-transition);
}

.dtj-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.dtj-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--dtj-primary);
    cursor: pointer;
    border: 2px solid var(--dtj-bg-elevated);
    box-shadow: 0 0 0 1px var(--dtj-primary);
}

.dtj-range::-moz-range-track {
    height: 6px;
    border-radius: var(--dtj-radius-full);
    background: var(--dtj-bg-secondary);
}

.dtj-range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--dtj-text-muted);
}

/* Scoped checkbox override */
.dtj-toggle-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.dtj-toggle-wrap input[type="checkbox"] {
    width: 16px !important;
    height: 16px !important;
    margin: 0 !important;
    margin-right: 0 !important;
    border: 1px solid var(--dtj-border) !important;
    background: var(--dtj-bg-elevated) !important;
    accent-color: var(--dtj-primary) !important;
    cursor: pointer;
    flex-shrink: 0;
}

.dtj-toggle-wrap input[type="checkbox"]:checked {
    background: var(--dtj-primary) !important;
    border-color: var(--dtj-primary) !important;
    accent-color: var(--dtj-primary) !important;
}

.dtj-toggle-text {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 600;
    color: var(--dtj-text);
    font-size: 0.9rem;
}

.dtj-toggle-text i { color: var(--dtj-primary); }

/* ============================================
   Action Bar
   ============================================ */
.dtj-action-bar {
    padding: 1.25rem 1.5rem;
    background: var(--dtj-bg-elevated);
    border-top: 1px solid var(--dtj-border);
    display: flex;
    justify-content: center;
}

.dtj-action-bar .dtj-btn-primary {
    min-width: 240px;
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

/* ============================================
   Processing Overlay
   ============================================ */
.dtj-processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    backdrop-filter: blur(4px);
}

.dtj-processing-card {
    background: var(--dtj-bg-elevated);
    color: var(--dtj-text);
    border-radius: var(--dtj-radius-lg);
    border: 1px solid var(--dtj-border);
    box-shadow: var(--dtj-shadow-lg);
    padding: 1.75rem 2rem;
    min-width: 340px;
    max-width: 90%;
}

.dtj-stages {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.dtj-stage {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--dtj-bg-secondary);
    color: var(--dtj-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--dtj-transition);
    padding: 6px;
}

.dtj-stage.active {
    background: var(--dtj-primary);
    color: #ffffff;
    transform: scale(1.1);
}

.dtj-stage.done {
    background: var(--dtj-success);
    color: #ffffff;
}

.dtj-stage-connector {
    width: 28px;
    height: 2px;
    background: var(--dtj-border);
    margin: 0 4px;
}

.dtj-progress-bar {
    height: 8px;
    background: var(--dtj-bg-secondary);
    border-radius: var(--dtj-radius-full);
    overflow: hidden;
    margin-bottom: 0.625rem;
}

.dtj-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--dtj-primary);
    transition: width 0.3s ease;
}

.dtj-progress-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.dtj-progress-percent {
    font-weight: 700;
    color: var(--dtj-primary);
}

.dtj-progress-status {
    color: var(--dtj-text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Results
   ============================================ */
.dtj-results-section {
    background: var(--dtj-bg-elevated);
    border-radius: var(--dtj-radius-lg);
    box-shadow: var(--dtj-shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.dtj-result-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--dtj-bg);
    border: 1px solid var(--dtj-border-light);
    border-radius: var(--dtj-radius-md);
    margin-bottom: 0.875rem;
}

.dtj-result-card:last-of-type { margin-bottom: 0; }

.dtj-result-preview {
    width: 96px;
    height: 96px;
    border-radius: var(--dtj-radius-sm);
    overflow: hidden;
    background: var(--dtj-bg-secondary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dtj-result-preview img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.dtj-result-info { flex: 1; min-width: 0; }

.dtj-result-info h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dtj-text);
    word-break: break-word;
}

.dtj-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.825rem;
    color: var(--dtj-text-muted);
}

.dtj-result-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.dtj-result-meta i { color: var(--dtj-primary); }

.dtj-savings-positive { color: var(--dtj-success); font-weight: 700; }
.dtj-savings-negative { color: var(--dtj-warning); font-weight: 700; }

.dtj-result-zip {
    background: var(--dtj-primary-light);
    border-color: var(--dtj-primary);
}

.dtj-result-zip-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--dtj-radius-md);
    background: var(--dtj-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dtj-result-zip-info { flex: 1; min-width: 0; }

.dtj-result-zip-info h3 {
    margin: 0 0 0.25rem;
    color: var(--dtj-text);
    font-size: 1.05rem;
}

.dtj-result-zip-info p {
    margin: 0;
    color: var(--dtj-text-muted);
    font-size: 0.875rem;
}

.dtj-warnings {
    margin-top: 0.875rem;
    padding: 0.75rem 1rem;
    background: var(--dtj-warning-light);
    color: var(--dtj-warning);
    border-radius: var(--dtj-radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dtj-result-actions {
    margin-top: 1.25rem;
    display: flex;
    justify-content: center;
}

/* ============================================
   Error
   ============================================ */
.dtj-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--dtj-danger-light);
    color: var(--dtj-danger);
    border-radius: var(--dtj-radius-md);
    margin: 1rem 0;
    font-size: 0.9rem;
}

.dtj-error a {
    color: var(--dtj-danger);
    font-weight: 600;
    text-decoration: underline;
}

.dtj-error-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--dtj-danger);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--dtj-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dtj-error-close:hover { background: rgba(230,78,78,0.15); }

/* ============================================
   Related Tools
   ============================================ */
.dtj-related-tools {
    max-width: 1000px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

.dtj-related-tools-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--dtj-bg-elevated);
    border: 1px solid var(--dtj-border);
    border-radius: var(--dtj-radius-lg);
    box-shadow: var(--dtj-shadow-sm);
}

.dtj-related-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--dtj-text-muted);
    white-space: nowrap;
}

.dtj-related-label i { color: var(--dtj-primary); }

.dtj-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dtj-related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    background: var(--dtj-bg-secondary);
    border-radius: var(--dtj-radius-full);
    color: var(--dtj-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--dtj-transition);
}

.dtj-related-link:hover {
    background: var(--dtj-primary-light);
    color: var(--dtj-primary);
}

/* ============================================
   Info Sections
   ============================================ */
.dtj-info-sections {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

.dtj-info-card {
    background: var(--dtj-bg-elevated);
    border: 1px solid var(--dtj-border);
    border-radius: var(--dtj-radius-lg);
    padding: 1.75rem 2rem;
    margin-bottom: 1.25rem;
}

.dtj-info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dtj-text);
    margin: 0 0 1.25rem;
}

.dtj-info-card h2 i { color: var(--dtj-primary); }

.dtj-info-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dtj-text);
    margin: 1.25rem 0 0.5rem;
}

.dtj-info-card p,
.dtj-info-card li {
    color: var(--dtj-text-secondary);
    line-height: 1.7;
    margin: 0 0 0.75rem;
}

[data-theme="dark"] .dtj-info-card p,
[data-theme="dark"] .dtj-info-card li {
    color: var(--dtj-text-muted);
}

.dtj-info-card a {
    color: var(--dtj-primary);
    text-decoration: none;
    font-weight: 500;
}

.dtj-info-card a:hover { text-decoration: underline; }

/* Steps List */
.dtj-steps-list {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.dtj-steps-list li {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.dtj-steps-list li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--dtj-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
}

.dtj-steps-list strong { color: var(--dtj-text); }

/* Features Grid */
.dtj-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.dtj-feature-item {
    padding: 1.25rem;
    background: var(--dtj-bg);
    border: 1px solid var(--dtj-border-light);
    border-radius: var(--dtj-radius-md);
    min-width: 0;
}

.dtj-feature-item i {
    color: var(--dtj-primary);
    margin-bottom: 0.625rem;
    display: block;
}

.dtj-feature-item h4 {
    margin: 0 0 0.375rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dtj-text);
}

.dtj-feature-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--dtj-text-muted);
    line-height: 1.5;
}

/* Source Grid (DNG sources) */
.dtj-source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.dtj-source-item {
    padding: 1.25rem;
    background: var(--dtj-bg);
    border: 1px solid var(--dtj-border-light);
    border-radius: var(--dtj-radius-md);
    min-width: 0;
}

.dtj-source-item h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dtj-text);
}

.dtj-source-item h4 i { color: var(--dtj-primary); }

.dtj-source-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--dtj-text-muted);
    line-height: 1.5;
}

/* Comparison Table */
.dtj-compare-table {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--dtj-border);
    border-radius: var(--dtj-radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
}

.dtj-compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--dtj-border-light);
    font-size: 0.9rem;
}

.dtj-compare-row:last-child { border-bottom: none; }

.dtj-compare-row.dtj-compare-head {
    background: var(--dtj-bg-secondary);
    font-weight: 700;
    color: var(--dtj-text);
}

.dtj-compare-row div:first-child {
    font-weight: 600;
    color: var(--dtj-text);
}

.dtj-compare-row div:nth-child(2) { color: var(--dtj-text-muted); }
.dtj-compare-row div:nth-child(3) { color: var(--dtj-success); font-weight: 600; }

/* ============================================
   FAQ
   ============================================ */
.faq-item {
    border: 1px solid var(--dtj-border-light);
    border-radius: var(--dtj-radius-md);
    margin-bottom: 0.625rem;
    overflow: hidden;
    background: var(--dtj-bg);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1rem 1.25rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--dtj-text);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--dtj-transition);
    font-family: inherit;
}

.faq-question:hover { color: var(--dtj-primary); }

.faq-question i {
    color: var(--dtj-primary);
    transition: transform var(--dtj-transition);
    flex-shrink: 0;
}

.faq-item.open .faq-question i { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dtj-transition);
    padding: 0 1.25rem;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 1.25rem 1rem;
}

.faq-answer p {
    margin: 0;
    color: var(--dtj-text-muted);
    line-height: 1.7;
    font-size: 0.9rem;
}

.faq-answer a { color: var(--dtj-primary); text-decoration: none; }
.faq-answer a:hover { text-decoration: underline; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .tool-container { padding: 1rem; }
    .tool-title { font-size: 1.4rem; }

    .dtj-dropzone { padding: 2rem 1rem; }
    .dtj-dropzone-title { font-size: 1.2rem; }

    .dtj-settings-grid { grid-template-columns: 1fr; }

    .dtj-result-card { flex-wrap: wrap; }
    .dtj-result-preview { width: 100%; height: 200px; }
    .dtj-result-card .dtj-btn-primary { width: 100%; }

    .dtj-action-bar .dtj-btn-primary {
        width: 100%;
        min-width: 0;
    }

    .dtj-related-tools,
    .dtj-info-sections {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .dtj-info-card { padding: 1.25rem; }

    .dtj-compare-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .dtj-compare-row div:nth-child(2)::before {
        content: 'DNG: ';
        font-weight: 600;
        color: var(--dtj-text);
    }

    .dtj-compare-row div:nth-child(3)::before {
        content: 'JPG: ';
        font-weight: 600;
        color: var(--dtj-text);
    }

    .dtj-compare-row.dtj-compare-head { display: none; }
}