/* ============================================
   Remove EXIF Data - Styling with Dark Mode
   ============================================ */

/* CSS Variables - Light Mode (Default) */
:root {
    --transition-speed: 0.25s;
    
    /* Primary Colors - Privacy/Shield Theme */
    --primary: #3399cc;
    --primary-light: #E0F2FE;
    --primary-dark: #2980b9;
    --accent: #38BDF8;
    
    /* Status Colors */
    --success: #339966;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #e64e4e;
    --danger-light: #FEE2E2;
    --info: #3399cc;
    --info-light: #DBEAFE;
    
    /* Background Colors */
    --bg: #F8FAFC;
    --bg-elevated: #FFFFFF;
    --bg-secondary: #F1F5F9;
    --bg-tertiary: #E2E8F0;
    
    /* Text Colors */
    --text: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    
    /* Border Colors */
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-primary: 0 4px 14px rgba(51, 153, 204, 0.25);
    --shadow-primary-hover: 0 6px 20px rgba(51, 153, 204, 0.35);
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Input */
    --input-bg: #FFFFFF;
    --input-border: #E2E8F0;
    
    /* Scrollbar */
    --scrollbar-track: var(--bg);
    --scrollbar-thumb: var(--text-muted);
    --scrollbar-thumb-hover: var(--text-secondary);
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --primary: #38BDF8;
    --primary-light: rgba(56, 189, 248, 0.15);
    --primary-dark: #0EA5E9;
    --accent: #7DD3FC;
    
    --success: #4ADE80;
    --success-light: rgba(74, 222, 128, 0.15);
    --warning: #FBBF24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --danger: #F87171;
    --danger-light: rgba(248, 113, 113, 0.15);
    --info: #60A5FA;
    --info-light: rgba(96, 165, 250, 0.15);
    
    --bg: #0F172A;
    --bg-elevated: #1E293B;
    --bg-secondary: #334155;
    --bg-tertiary: #475569;
    
    --text: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    
    --border: #334155;
    --border-light: #1E293B;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.4);
    --shadow-primary: 0 4px 14px rgba(56, 189, 248, 0.2);
    --shadow-primary-hover: 0 6px 20px rgba(56, 189, 248, 0.3);
    
    --input-bg: #334155;
    --input-border: #475569;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Container */
.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

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

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-primary);
    flex-shrink: 0;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

.tool-icon-wrapper svg,
.tool-icon-wrapper i {
    width: 28px;
    height: 28px;
}

.tool-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Main Tool Area */
.tool-main {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
    transition: background-color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
}

/* Upload Section */
.upload-section {
    padding: 3rem;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-light);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary);
    background: var(--bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-area:hover::before,
.upload-area.drag-over::before {
    opacity: 0.5;
}

.upload-content {
    position: relative;
    z-index: 1;
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px);
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.5rem;
}

.upload-subtitle {
    color: var(--text-secondary);
    margin: 0 0 1rem;
    font-size: 1rem;
}

.file-types {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.file-type-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.upload-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Results Section */
.results-section {
    background: var(--bg-elevated);
    transition: background-color var(--transition-speed);
}

/* Toolbar */
.results-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.file-count {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.metadata-stripped {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--success);
    font-size: 0.85rem;
    font-weight: 500;
}

.toolbar-right {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

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

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

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Options Bar */
.options-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    align-items: center;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.option-select {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.option-select:focus {
    outline: none;
    border-color: var(--primary);
}

.quality-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quality-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.quality-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.quality-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 36px;
}

.option-check {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.option-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* File List */
.file-list {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 600px;
    overflow-y: auto;
}

/* File Card */
.file-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
}

.file-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.file-thumb {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.file-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-detail {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.file-detail i,
.file-detail svg {
    width: 12px;
    height: 12px;
}

.file-meta-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.4rem;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.meta-tag.found {
    background: var(--danger-light);
    color: var(--danger);
}

.meta-tag.removed {
    background: var(--success-light);
    color: var(--success);
}

.meta-tag.none {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.file-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}

/* Processing Overlay */
.processing-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: var(--radius-xl);
}

.processing-content {
    text-align: center;
    color: white;
}

.processing-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.processing-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 1rem;
}

.processing-bar {
    width: 200px;
    height: 6px;
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
    margin: 0 auto 0.5rem;
    overflow: hidden;
}

.processing-fill {
    height: 100%;
    background: white;
    border-radius: 3px;
    width: 0;
    transition: width 0.3s ease;
}

.processing-count {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.8;
}

/* Privacy Pack Section */
.privacy-pack {
    margin-bottom: 2rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 0.5rem;
}

.section-title i,
.section-title svg {
    color: var(--primary);
    flex-shrink: 0;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin: 0 0 1.5rem;
}

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

.privacy-tool-card {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s ease;
}

.privacy-tool-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.privacy-tool-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.privacy-tool-icon.view-icon {
    background: var(--info);
}

.privacy-tool-icon.censor-icon {
    background: var(--danger);
}

.privacy-tool-icon.compress-icon {
    background: var(--success);
}

.privacy-tool-info h3 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.privacy-tool-info p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Related Section */
.related-section {
    margin-bottom: 2rem;
}

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

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.related-link i,
.related-link svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

/* Info Sections */
.info-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 1.25rem;
}

.info-card h2 i,
.info-card h2 svg {
    color: var(--primary);
    flex-shrink: 0;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 1rem;
}

.info-card p:last-child {
    margin-bottom: 0;
}

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

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

/* Steps List */
.steps-list {
    margin: 0;
    padding-left: 1.5rem;
    counter-reset: step;
}

.steps-list li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
    padding-left: 0.25rem;
}

.steps-list li:last-child {
    margin-bottom: 0;
}

.steps-list li a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.steps-list li a:hover {
    text-decoration: underline;
}

/* Metadata Grid */
.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.metadata-item {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-speed);
}

.metadata-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}

.metadata-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    color: var(--text);
}

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

/* FAQ Styles */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition-speed);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    gap: 1rem;
    transition: color 0.2s;
}

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

.faq-question i,
.faq-question svg {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

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

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

.faq-answer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* Error Message */
.error-message {
    text-align: center;
    padding: 2rem;
    color: var(--danger);
}

.error-message i,
.error-message svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.error-message p {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

.error-message .contact-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.error-message .contact-hint a {
    color: var(--primary);
    text-decoration: none;
}

/* Scrollbar */
.file-list::-webkit-scrollbar {
    width: 6px;
}

.file-list::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 3px;
}

.file-list::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
}

.file-list::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Responsive */
@media (max-width: 768px) {
    .tool-container {
        padding: 1rem;
    }
    
    .upload-section {
        padding: 1.5rem;
    }
    
    .upload-area {
        padding: 2.5rem 1rem;
    }
    
    .results-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-right {
        justify-content: flex-end;
    }
    
    .options-bar {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .option-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .quality-slider {
        flex: 1;
    }
    
    .file-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .file-thumb {
        width: 100%;
        height: 120px;
    }
    
    .file-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .privacy-tools-grid {
        grid-template-columns: 1fr;
    }
    
    .metadata-grid {
        grid-template-columns: 1fr;
    }
    
    .info-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .tool-title {
        font-size: 1.5rem;
    }
    
    .tool-icon-wrapper {
        width: 48px;
        height: 48px;
    }
    
    .tool-icon-wrapper svg,
    .tool-icon-wrapper i {
        width: 22px;
        height: 22px;
    }
    
    .btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
}

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