/* Custom Styles for Free Online Image Size Optimizer - AhteVerse */

.tool-page {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.tool-content {
    padding: var(--space-xl) 0;
    margin-top: 20px;
}

/* Tool Header */
.tool-header {
    margin-bottom: var(--space-xl);
}

.tool-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.tool-title span {
    color: var(--magenta);
    text-shadow: var(--glow-magenta);
}

.tool-subtitle {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Workspace Grid Layout */
.workspace-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

/* Glassmorphic Cards */
.config-panel,
.queue-panel,
.comparison-card {
    padding: var(--space-lg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.panel-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    padding-bottom: 12px;
    margin-bottom: 5px;
}

/* Drag & Drop Upload Zone */
.upload-zone {
    padding: 40px var(--space-lg);
    border-radius: 20px;
    border: 2px dashed var(--border-color);
    background: rgba(255, 255, 255, 0.01);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.upload-zone.dragover {
    border-color: var(--magenta);
    background: rgba(255, 0, 255, 0.04);
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.15);
}

.upload-icon {
    font-size: 3rem;
}

.upload-zone h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.upload-zone p {
    color: var(--text-secondary);
    margin: 0;
}

.browse-btn {
    background: none;
    border: none;
    color: var(--electric-blue);
    font-weight: 700;
    text-decoration: underline;
    cursor: pointer;
    font-size: 1rem;
}

.browse-btn:hover {
    color: var(--magenta);
}

.upload-hint {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Active Queue Panel */
.panel-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.panel-section-header h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
}

.clear-queue-btn {
    background: none;
    border: none;
    color: var(--orange);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.clear-queue-btn:hover {
    text-decoration: underline;
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 4px;
}

/* Queue Item Row */
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-item:hover,
.file-item.active {
    border-color: rgba(255, 0, 255, 0.25);
    background: rgba(255, 0, 255, 0.03);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 65%;
}

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

.file-sizes {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.file-sizes span.savings {
    color: #38ef7d;
    margin-left: 8px;
    font-weight: 700;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-status {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.file-status.pending { background: rgba(255,255,255,0.08); color: var(--text-secondary); }
.file-status.processing { background: rgba(255, 165, 0, 0.15); color: var(--orange); }
.file-status.done { background: rgba(56, 239, 125, 0.15); color: #38ef7d; }

.remove-file-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    font-size: 1.1rem;
    cursor: pointer;
    line-height: 1;
}

.remove-file-btn:hover {
    color: var(--orange);
}

/* Control Settings */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-badge {
    background: rgba(255, 0, 255, 0.15);
    color: var(--magenta);
    border: 1px solid var(--magenta);
    padding: 2px 10px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
}

.param-slider {
    width: 100%;
    accent-color: var(--magenta);
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    cursor: pointer;
}

select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    width: 100%;
    outline: none;
}

select:focus {
    border-color: var(--magenta);
}

/* Dimension Settings */
.dimension-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.resize-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.preset-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 8px 4px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover,
.preset-btn.active {
    border-color: var(--magenta);
    color: var(--text-primary);
    background: rgba(255, 0, 255, 0.05);
}

.custom-dimensions {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.dim-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.dim-input-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.dim-input-group input {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    font-size: 0.9rem;
}

.dim-input-group input:focus {
    border-color: var(--magenta);
}

.dim-lock-link {
    font-size: 1.2rem;
    padding-bottom: 8px;
    color: rgba(255, 255, 255, 0.3);
    user-select: none;
}

/* Checkbox alignment */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--magenta);
    cursor: pointer;
}

.checkbox-group label {
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
}

/* Interactive Split Comparison Viewport */
.comparison-viewport {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    min-height: 280px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.5);
}

.comparison-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.6;
}

.comparison-placeholder p {
    font-size: 0.9rem;
    max-width: 250px;
    line-height: 1.5;
}

/* Slider Layout mapping var(--clip-pos) */
.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    --clip-pos: 50%;
}

.slider-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

/* Split overlays */
.optimized-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#img-optimized {
    clip-path: polygon(var(--clip-pos) 0, 100% 0, 100% 100%, var(--clip-pos) 100%);
}

/* Text overlays */
.view-label {
    position: absolute;
    bottom: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: #FFF;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
    pointer-events: none;
    z-index: 10;
}

.label-original {
    left: 12px;
}

.label-optimized {
    right: 12px;
}

/* Drag Handle */
.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--clip-pos);
    width: 4px;
    background: var(--magenta);
    z-index: 20;
    cursor: ew-resize;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--magenta);
}

.handle-bar {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    pointer-events: none;
}

.handle-arrows {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--magenta);
    border: 2px solid #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-size: 0.7rem;
    gap: 4px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

/* Savings Badge Panel */
.savings-metrics-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 12px var(--space-md);
    border-radius: 12px;
    width: 100%;
}

.saving-badge {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    color: #FFF;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    padding: 6px 12px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(56, 239, 125, 0.2);
}

.saving-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.saving-details strong {
    color: var(--text-primary);
}

/* Action Buttons */
.action-buttons-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.action-btn {
    width: 100%;
    padding: 14px var(--space-lg);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.primary-glow {
    background: linear-gradient(135deg, var(--magenta), var(--electric-blue));
    color: #FFFFFF;
    border: none;
    box-shadow: var(--shadow-sm);
}

.primary-glow:hover:not(:disabled) {
    box-shadow: var(--glow-blue);
    transform: translateY(-2px);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.secondary-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--magenta);
}

/* SEO Content Styling */
.qr-seo-section {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.seo-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.seo-intro-card {
    padding: var(--space-lg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.seo-icon-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.seo-card-icon {
    font-size: 1.5rem;
}

.seo-icon-title h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    margin: 0;
}

.seo-intro-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* Steps guide */
.seo-guide-container {
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.seo-section-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-xl);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-md);
}

.guide-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.guide-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-badge {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--magenta), var(--electric-blue));
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    box-shadow: var(--glow-blue);
}

.guide-step h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guide-step p {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0;
}

/* Use cases grid */
.seo-usecases-container {
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.usecases-intro-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.usecase-card {
    padding: var(--space-lg);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.usecase-card:hover {
    border-color: rgba(255, 0, 255, 0.15);
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-2px);
}

.usecase-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.usecase-icon {
    font-size: 1.4rem;
}

.usecase-header h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--electric-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.usecase-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.usecase-bullets {
    margin: 0;
    padding-left: 20px;
    list-style-type: square;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.85rem;
}

.usecase-bullets li {
    line-height: 1.5;
}

.usecase-bullets li strong {
    color: var(--text-primary);
}

/* Comparison section */
.seo-tech-comparison {
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

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

.comparison-header h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.seo-tech-comparison > p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.tech-card {
    padding: var(--space-md);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.tech-card h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--electric-blue);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.tech-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* FAQ Accordion Section */
.seo-faq-container {
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.faq-accordion-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.faq-details {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.01);
    transition: all 0.3s ease;
    overflow: hidden;
}

.faq-details:hover,
.faq-details[open] {
    border-color: rgba(255, 0, 255, 0.2);
    background: rgba(255, 255, 255, 0.02);
}

.faq-summary {
    padding: 16px var(--space-md);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 40px;
    user-select: none;
}

.faq-summary::after {
    content: "▼";
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0.7;
}

.faq-details[open] .faq-summary::after {
    transform: translateY(-50%) rotate(180deg);
    color: var(--magenta);
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-answer {
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-answer p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* RESPONSIVE LAYOUT MEDIA QUERIES */
@media (max-width: 1024px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }

    .right-panel-column {
        position: static;
    }

    .comparison-card {
        max-width: 550px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 900px) {
    .seo-intro-grid,
    .tech-grid,
    .usecases-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .config-panel,
    .queue-panel,
    .comparison-card {
        padding: 15px !important;
    }

    .comparison-viewport {
        min-height: auto !important;
    }
}

@media (max-width: 500px) {
    .guide-steps-grid {
        grid-template-columns: 1fr;
    }

    .custom-dimensions {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .dim-lock-link {
        align-self: center;
        padding-bottom: 0;
        transform: rotate(90deg);
    }
}

@media (max-width: 400px) {
    .resize-presets {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}