/* ===============================================
   METADATA SCRUBBER TOOL STYLES
   =============================================== */

/* Tool Hero Section Override */
.tool-hero {
    margin-top: 0;
    padding: 120px 0 80px;
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.1) 30%, rgba(16, 185, 129, 0.1) 70%, var(--bg-primary) 100%);
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.main-content {
    padding: var(--space-16) 0;
    min-height: 100vh;
}

.calculator-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    margin-bottom: var(--space-12);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .calculator-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

/* ===============================================
   LAYOUT STRUCTURE
   =============================================== */

.scrubber-layout {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

/* Desktop Layout (Large Screens: > 1024px) */
@media (min-width: 1025px) {
    .scrubber-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }
}

/* Tablet Layout (Medium Screens: 641px - 1024px) */
@media (min-width: 641px) and (max-width: 1024px) {
    .scrubber-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .calculator-card {
        padding: var(--space-6);
    }
    
    .upload-area {
        padding: var(--space-8) var(--space-4);
    }
}

/* ===============================================
   UPLOAD SECTION
   =============================================== */

.upload-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-6);
    text-align: center;
    background: var(--gray-50);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}

.upload-area .browse-btn {
    pointer-events: auto;
    position: relative;
    z-index: 2;
    cursor: pointer;
}

.upload-area:hover .browse-btn {
    transform: none;
}

.upload-area:hover .browse-btn:hover {
    transform: translateY(-1px);
}

[data-theme="dark"] .upload-area {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--brand-primary);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
}

.upload-icon {
    font-size: 3rem;
    color: var(--brand-primary);
    margin-bottom: var(--space-4);
}

.upload-area h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

.browse-btn {
    background: var(--brand-primary);
    color: white;
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    z-index: 0;
    pointer-events: auto;
}

.browse-btn:hover {
    background: #2563EB;
    transform: translateY(-1px);
}

/* ===============================================
   FILE QUEUE
   =============================================== */

.file-queue {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .file-queue {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.queue-header {
    padding: var(--space-4) var(--space-6);
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

[data-theme="dark"] .queue-header {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.queue-header h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.file-count {
    color: var(--text-secondary);
    font-weight: var(--font-weight-normal);
}

.clear-all-btn {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-base);
    font-size: 0.875rem;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.clear-all-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

.clear-all-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.queue-list {
    max-height: 400px;
    overflow-y: auto;
}

/* Horizontal scrolling styles for mobile */
.queue-list.horizontal-scroll {
    max-height: none;
    overflow-y: visible;
    overflow-x: auto;
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.queue-list.horizontal-scroll::-webkit-scrollbar {
    height: 6px;
}

.queue-list.horizontal-scroll::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: var(--radius-base);
}

.queue-list.horizontal-scroll::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-base);
}

[data-theme="dark"] .queue-list.horizontal-scroll::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] .queue-list.horizontal-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

.empty-queue {
    padding: var(--space-12) var(--space-6);
    text-align: center;
    color: var(--text-secondary);
}

.empty-queue i {
    font-size: 2rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

/* File Item Styles */
.file-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

[data-theme="dark"] .file-item {
    border-color: var(--border-color);
}

.file-item:hover {
    background: var(--gray-50);
}

[data-theme="dark"] .file-item:hover {
    background: var(--bg-secondary);
}

.file-item.active {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--brand-primary);
}

.file-thumbnail {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-base);
    object-fit: cover;
    background: var(--gray-200);
}

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

.file-name {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-details {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    gap: var(--space-2);
}

.file-checkbox {
    position: relative;
    width: 20px;
    height: 20px;
}

.file-checkbox input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background: var(--bg-primary);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
}

[data-theme="dark"] .file-checkbox .checkmark {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.file-checkbox input:checked ~ .checkmark {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

.file-checkbox .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.file-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.file-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
}

.file-remove:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

/* ===============================================
   METADATA INSPECTOR
   =============================================== */

.inspector-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.metadata-inspector {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    min-height: 400px;
}

[data-theme="dark"] .metadata-inspector {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.inspector-header {
    padding: var(--space-4) var(--space-6);
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

[data-theme="dark"] .inspector-header {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.inspector-header h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.privacy-score {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
}

.score-label {
    color: var(--text-secondary);
}

.score-value {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-medium);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.score-value.high-risk {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.score-value.medium-risk {
    background: rgba(245, 158, 11, 0.1);
    color: #D97706;
}

.score-value.low-risk {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.score-value.no-risk {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-secondary);
}

.inspector-content {
    padding: var(--space-6);
}

.no-selection {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--space-12) 0;
}

.no-selection i {
    font-size: 2rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.metadata-table {
    width: 100%;
    border-collapse: collapse;
}

.metadata-row {
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

[data-theme="dark"] .metadata-row {
    border-color: var(--border-color);
}

.metadata-row:hover {
    background: var(--gray-50);
}

[data-theme="dark"] .metadata-row:hover {
    background: var(--bg-secondary);
}

.metadata-row td {
    padding: var(--space-3) var(--space-4);
    vertical-align: top;
}

.metadata-checkbox {
    width: 40px;
    text-align: center;
}

.metadata-checkbox input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.metadata-category {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 140px;
}

.metadata-value {
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    word-break: break-all;
    position: relative;
}

.metadata-value.expandable {
    cursor: pointer;
    transition: all var(--transition-base);
}

.metadata-value.expandable:hover {
    background: var(--gray-50);
    border-radius: var(--radius-base);
    padding: var(--space-2);
}

[data-theme="dark"] .metadata-value.expandable:hover {
    background: var(--bg-secondary);
}

.metadata-value.expanded {
    white-space: pre-wrap;
    word-break: break-word;
    max-width: none;
    background: var(--gray-50);
    padding: var(--space-2);
    border-radius: var(--radius-base);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .metadata-value.expanded {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.expand-indicator {
    display: inline-block;
    margin-left: var(--space-2);
    color: var(--brand-primary);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
}

.metadata-value.expanded .expand-indicator::after {
    content: " (Click to collapse)";
}

.sensitive-data {
    color: var(--error);
    font-weight: var(--font-weight-medium);
}

/* ===============================================
   PROCESSING CONTROLS
   =============================================== */

.processing-controls {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .processing-controls {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.watermark-section {
    margin-bottom: var(--space-6);
}

.watermark-section label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.watermark-section input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

[data-theme="dark"] .watermark-section input {
    border-color: var(--border-color);
    background: var(--bg-secondary);
}

.watermark-section input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.control-buttons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.select-all-btn,
.process-btn {
    flex: 1;
    min-width: 160px;
    padding: var(--space-3) var(--space-4);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.select-all-btn {
    background: var(--gray-200);
    color: var(--text-primary);
}

[data-theme="dark"] .select-all-btn {
    background: var(--bg-secondary);
}

.select-all-btn:hover:not(:disabled) {
    background: var(--gray-300);
    transform: translateY(-1px);
}

[data-theme="dark"] .select-all-btn:hover:not(:disabled) {
    background: var(--bg-primary);
}

.process-btn {
    background: var(--brand-primary);
    color: white;
}

.process-btn:hover:not(:disabled) {
    background: #2563EB;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.select-all-btn:disabled,
.process-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ===============================================
   PROCESSING STATUS & SUCCESS
   =============================================== */

.processing-status,
.success-message {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .processing-status,
[data-theme="dark"] .success-message {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.status-header,
.success-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-base);
    overflow: hidden;
    margin-bottom: var(--space-3);
}

[data-theme="dark"] .progress-bar {
    background: var(--bg-secondary);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: var(--radius-base);
}

.status-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.success-message {
    border-color: var(--success);
}

.success-header {
    color: var(--success);
}

.success-details {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

/* Mobile Layout (Small Screens: < 640px) */
@media (max-width: 640px) {
    .scrubber-layout {
        display: flex;
        flex-direction: column;
        gap: var(--space-6);
    }
    
    /* Logical order for mobile */
    .upload-section {
        order: 1;
        display: flex;
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .inspector-section {
        order: 2;
    }
    
    .calculator-card {
        padding: var(--space-4);
    }
    
    .upload-area {
        padding: var(--space-6) var(--space-4);
    }
    
    .upload-area h3 {
        font-size: 1.125rem;
    }
    
    .browse-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Horizontal scrolling file queue */
    .queue-list {
        max-height: none;
        overflow-y: visible;
        overflow-x: auto;
        display: flex;
        gap: var(--space-3);
        padding: var(--space-3);
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Visual indicator for horizontal scroll */
    .queue-list::before {
        content: '';
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 20px;
        height: 40px;
        background: linear-gradient(to left, var(--bg-secondary), transparent);
        pointer-events: none;
        z-index: 1;
    }
    
    .queue-list::after {
        content: '';
        flex: 0 0 1px;
        height: 1px;
    }
    
    .file-item {
        flex: 0 0 auto;
        width: 280px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--space-3);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        background: var(--bg-primary);
    }
    
    [data-theme="dark"] .file-item {
        border-color: var(--border-color);
        background: var(--bg-secondary);
    }
    
    .file-item.active {
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    }
    
    .file-thumbnail {
        width: 60px;
        height: 60px;
        margin-bottom: var(--space-2);
    }
    
    .file-info {
        flex: 1;
        margin-bottom: var(--space-3);
    }
    
    .file-name {
        font-size: 0.875rem;
        margin-bottom: var(--space-1);
    }
    
    .file-details {
        font-size: 0.75rem;
    }
    
    .file-checkbox {
        margin-bottom: var(--space-2);
    }
    
    .file-remove {
        margin-top: auto;
    }
    
    .empty-queue {
        flex: 0 0 auto;
        width: 200px;
        padding: var(--space-8) var(--space-4);
        text-align: center;
    }
    
    /* Add scroll hint when files are present */
    .queue-list:not(:empty)::after {
        content: 'Scroll →';
        flex: 0 0 auto;
        width: 80px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        font-size: 0.75rem;
        border: 1px dashed var(--gray-300);
        border-radius: var(--radius-lg);
        background: var(--gray-50);
    }
    
    [data-theme="dark"] .queue-list:not(:empty)::after {
        border-color: var(--border-color);
        background: var(--bg-tertiary);
    }
    
    .control-buttons {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .select-all-btn,
    .process-btn {
        width: 100%;
    }
    
    .inspector-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .privacy-score {
        align-self: stretch;
        justify-content: space-between;
    }
    
    .metadata-table {
        font-size: 0.875rem;
        display: block;
        width: 100%;
    }
    
    .metadata-row {
        display: block;
        padding: var(--space-3) 0;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .metadata-row td {
        display: block;
        padding: var(--space-2) 0;
    }
    
    .metadata-checkbox {
        width: auto;
        text-align: left;
        margin-bottom: var(--space-2);
    }
    
    .metadata-category {
        width: auto;
        font-weight: var(--font-weight-semibold);
        margin-bottom: var(--space-1);
    }
    
    .metadata-value {
        margin-left: var(--space-4);
        padding-left: var(--space-3);
        border-left: 2px solid var(--gray-200);
    }
}

/* Extra small mobile styles */
@media (max-width: 480px) {
    .main-content {
        padding: var(--space-6) 0;
    }
    
    .calculator-card {
        margin: 0 var(--space-2);
        padding: var(--space-3);
    }
    
    .upload-area {
        padding: var(--space-4) var(--space-3);
    }
    
    .upload-area h3 {
        font-size: 1rem;
    }
    
    .upload-area p {
        font-size: 0.875rem;
    }
    
    .queue-header {
        padding: var(--space-3);
    }
    
    .queue-header h3 {
        font-size: 1rem;
    }
    
    .inspector-header {
        padding: var(--space-3);
    }
    
    .processing-controls {
        padding: var(--space-4);
    }
    
    .file-item {
        width: 240px;
        padding: var(--space-2);
    }
    
    .file-thumbnail {
        width: 50px;
        height: 50px;
    }
    
    /* Make horizontal scroll more obvious */
    .queue-list {
        padding: var(--space-2);
        gap: var(--space-2);
    }
    
    .queue-list::after {
        content: '';
        flex: 0 0 1px;
        height: 1px;
    }
}

/* ===============================================
   UTILITY CLASSES
   =============================================== */

.hidden {
    display: none !important;
}

.loading {
    pointer-events: none;
    opacity: 0.6;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

.text-error {
    color: var(--error);
}

.text-success {
    color: var(--success);
}

/* ===============================================
   ANIMATIONS
   =============================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.pulse {
    animation: pulse 2s infinite;
}