/* ==========================================================================
   Image Tools Suite - Shared Stylesheet
   Zero Regression Protocol: Dedicated CSS extending style.css tokens
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Hub Page & Category Cards
   -------------------------------------------------------------------------- */
.it-hub-hero {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

.it-hub-hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.2;
}

.it-hub-hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 760px;
    margin: 0 auto var(--spacing-lg);
}

.it-privacy-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--success-color);
    padding: 10px 18px;
    border-radius: var(--radius-full, 9999px);
    font-size: 0.9rem;
    font-weight: 600;
    max-width: 680px;
    margin: 0 auto;
}

.it-privacy-banner svg {
    flex-shrink: 0;
}

.it-categories-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.it-category-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.it-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--bg-secondary);
    padding-bottom: var(--spacing-sm);
}

.it-category-title-wrap {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.it-category-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.it-category-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.it-category-badge {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full, 9999px);
}

.it-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.it-tool-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.it-tool-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.it-tool-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.it-tool-card:hover .it-tool-card-icon {
    background: var(--primary-color);
    color: #ffffff;
}

.it-tool-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs);
}

.it-tool-card-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin: 0 0 var(--spacing-md);
    flex-grow: 1;
}

.it-tool-card-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.it-tool-card:hover .it-tool-card-link {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   2. Tool Workspace Layout
   -------------------------------------------------------------------------- */
.it-workspace {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0 var(--spacing-2xl);
}

.it-editor-columns {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

@media (max-width: 992px) {
    .it-editor-columns {
        grid-template-columns: 1fr;
    }
}

.it-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.it-panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   3. Drag & Drop Upload Zone
   -------------------------------------------------------------------------- */
.it-dropzone {
    border: 2px dashed var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    user-select: none;
}

.it-dropzone:hover,
.it-dropzone.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.it-dropzone.dragover {
    transform: scale(1.01);
}

.it-dropzone-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.it-dropzone-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.it-dropzone-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.it-browse-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.it-browse-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.it-dropzone-formats {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: var(--spacing-md);
}

.it-format-pill {
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

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

/* --------------------------------------------------------------------------
   4. Queue & Batch Items
   -------------------------------------------------------------------------- */
.it-queue-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.it-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

.it-queue-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.it-queue-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    transition: border-color var(--transition-fast);
}

.it-queue-item.active {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.04);
}

.it-queue-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: #e2e8f0;
    flex-shrink: 0;
}

.it-queue-details {
    flex-grow: 1;
    min-width: 0;
}

.it-queue-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.it-queue-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
    margin-top: 2px;
}

.it-queue-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.it-queue-status.ready {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.it-queue-status.done {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.it-queue-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.it-icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.it-icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.it-icon-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.it-icon-btn.active,
#itLockRatio.active {
    background: #1e293b !important;
    color: #ffffff !important;
    border-color: #0f172a !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.it-icon-btn.active svg,
#itLockRatio.active svg {
    stroke: #ffffff !important;
}

[data-theme="dark"] .it-icon-btn.active,
[data-theme="dark"] #itLockRatio.active {
    background: #0f172a !important;
    color: #ffffff !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 1px var(--primary-color);
}

[data-theme="dark"] .it-icon-btn.active svg,
[data-theme="dark"] #itLockRatio.active svg {
    stroke: #ffffff !important;
}

#itLockRatio:not(.active) {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
    opacity: 0.75;
}

#itLockRatio:not(.active):hover {
    opacity: 1;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   5. Interactive Form Controls & Sliders
   -------------------------------------------------------------------------- */
.it-control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-md);
}

.it-control-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.it-control-value {
    color: var(--primary-color);
    font-weight: 700;
}

.it-range-slider,
.it-range {
    width: 100%;
    height: 6px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.it-range-hints {
    position: relative;
    width: 100%;
    height: 18px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.it-pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.it-pill-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 6px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.it-pill-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.it-pill-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.it-custom-pill-wrap {
    display: inline-flex;
    align-items: center;
    position: relative;
}

.it-custom-scale-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 5px 22px 5px 10px;
    font-size: 0.82rem;
    font-weight: 600;
    width: 86px;
    height: 31px;
    outline: none;
    transition: all var(--transition-fast);
}

.it-custom-scale-input:focus {
    border-color: var(--primary-color);
    background: var(--bg-card);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.it-custom-scale-input.active {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.it-custom-scale-suffix {
    position: absolute;
    right: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    pointer-events: none;
}

.it-input-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.it-number-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

.it-number-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.it-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}

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

.it-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   6. Preview & Comparison Area
   -------------------------------------------------------------------------- */
.it-preview-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.it-stats-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 10px 16px;
    font-size: 0.85rem;
}

.it-stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.it-stat-item strong {
    color: var(--text-primary);
}

.it-stat-badge {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success-color);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.it-stat-badge.warn {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning-color);
}

/* Checkerboard for Transparent Alpha Previews */
.it-checkerboard {
    background-color: #ffffff;
    background-image: 
        linear-gradient(45deg, #e5e7eb 25%, transparent 25%), 
        linear-gradient(-45deg, #e5e7eb 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #e5e7eb 75%), 
        linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

[data-theme="dark"] .it-checkerboard {
    background-color: #1e293b;
    background-image: 
        linear-gradient(45deg, #334155 25%, transparent 25%), 
        linear-gradient(-45deg, #334155 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #334155 75%), 
        linear-gradient(-45deg, transparent 75%, #334155 75%);
}

.it-canvas-viewport {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 380px;
    max-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.it-canvas-viewport img,
.it-canvas-viewport canvas {
    max-width: 100%;
    max-height: 520px;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    user-select: none;
}

/* Side by Side Preview Grid */
.it-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .it-comparison-grid {
        grid-template-columns: 1fr;
    }
}

.it-comparison-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
}

.it-comparison-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.it-comparison-box {
    min-height: 260px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    overflow: hidden;
    position: relative;
}

.it-comparison-box img,
.it-comparison-box canvas {
    object-fit: contain;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), height 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   7. Interactive Cropper Overlay
   -------------------------------------------------------------------------- */
.it-cropper-stage {
    position: relative;
    display: inline-block;
    max-width: 100%;
    max-height: 520px;
}

.it-cropper-image {
    display: block;
    max-width: 100%;
    max-height: 500px;
    user-select: none;
    pointer-events: none;
}

.it-cropper-shade {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.5);
}

.it-crop-box {
    position: absolute;
    box-sizing: border-box;
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
    cursor: move;
    touch-action: none;
}

/* Rule of Thirds Grid */
.it-crop-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.it-crop-grid::before,
.it-crop-grid::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.4);
}

.it-crop-grid::before {
    left: 33.333%;
    top: 0;
    width: 33.333%;
    height: 100%;
    border-left: 1px dashed rgba(255, 255, 255, 0.6);
    border-right: 1px dashed rgba(255, 255, 255, 0.6);
}

.it-crop-grid::after {
    top: 33.333%;
    left: 0;
    height: 33.333%;
    width: 100%;
    border-top: 1px dashed rgba(255, 255, 255, 0.6);
    border-bottom: 1px dashed rgba(255, 255, 255, 0.6);
}

/* Resize Handles */
.it-crop-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border: 2px solid #ffffff;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.it-crop-handle.nw { top: -6px; left: -6px; cursor: nwse-resize; }
.it-crop-handle.ne { top: -6px; right: -6px; cursor: nesw-resize; }
.it-crop-handle.sw { bottom: -6px; left: -6px; cursor: nesw-resize; }
.it-crop-handle.se { bottom: -6px; right: -6px; cursor: nwse-resize; }
.it-crop-handle.n  { top: -6px; left: calc(50% - 6px); cursor: ns-resize; }
.it-crop-handle.s  { bottom: -6px; left: calc(50% - 6px); cursor: ns-resize; }
.it-crop-handle.w  { top: calc(50% - 6px); left: -6px; cursor: ew-resize; }
.it-crop-handle.e  { top: calc(50% - 6px); right: -6px; cursor: ew-resize; }

@media (pointer: coarse) {
    .it-crop-handle {
        width: 18px;
        height: 18px;
    }
    .it-crop-handle.nw { top: -9px; left: -9px; }
    .it-crop-handle.ne { top: -9px; right: -9px; }
    .it-crop-handle.sw { bottom: -9px; left: -9px; }
    .it-crop-handle.se { bottom: -9px; right: -9px; }
    .it-crop-handle.n  { top: -9px; left: calc(50% - 9px); }
    .it-crop-handle.s  { bottom: -9px; left: calc(50% - 9px); }
    .it-crop-handle.w  { top: calc(50% - 9px); left: -9px; }
    .it-crop-handle.e  { top: calc(50% - 9px); right: -9px; }
}

/* --------------------------------------------------------------------------
   8. Action Buttons Toolbar
   -------------------------------------------------------------------------- */
.it-actions-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.it-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

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

.it-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 0.92rem;
    transition: all var(--transition-fast);
}

.it-btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.it-btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.it-btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.it-btn-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 10px;
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.35);
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.it-btn-delete:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
    color: #dc2626;
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   8. Action Buttons Toolbar
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   12. SEO Content Sections
   -------------------------------------------------------------------------- */
.it-seo-content {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.it-seo-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.it-seo-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
}

.it-seo-content p,
.it-seo-content li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: var(--spacing-sm);
}

.it-seo-content ul,
.it-seo-content ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.it-faq-accordion {
    margin-top: var(--spacing-lg);
}

.it-faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

.it-faq-question {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.it-faq-answer {
    margin-top: var(--spacing-xs);
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.it-related-tools {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.it-related-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.it-related-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}