/* ==========================================
   Ojoo Background Tools - Isolated Styles
   All selectors strictly scoped to .image-background-page
   ========================================== */

.image-background-page {
    --ibg-primary: #0d6efd;
    --ibg-accent: #6f42c1;
    --ibg-success: #198754;
    --ibg-card-bg: #ffffff;
    --ibg-card-border: rgba(0, 0, 0, 0.08);
    --ibg-card-hover-border: #0d6efd;
    --ibg-text-primary: #212529;
    --ibg-text-secondary: #6c757d;
    --ibg-badge-bg: rgba(13, 110, 253, 0.1);
    --ibg-dropzone-bg: #f8fafc;
    --ibg-dropzone-border: #cbd5e1;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-bs-theme="dark"] .image-background-page,
body.dark-mode .image-background-page,
body.bg-dark .image-background-page {
    --ibg-card-bg: #1e2430;
    --ibg-card-border: rgba(255, 255, 255, 0.1);
    --ibg-card-hover-border: #4792ff;
    --ibg-text-primary: #f8f9fa;
    --ibg-text-secondary: #a0aec0;
    --ibg-badge-bg: rgba(13, 110, 253, 0.25);
    --ibg-dropzone-bg: #161b26;
    --ibg-dropzone-border: #334155;
}

/* Breadcrumb & Header */
.image-background-page .ibg-breadcrumb {
    font-size: 0.875rem;
    color: var(--ibg-text-secondary);
    margin-bottom: 0.75rem;
}

.image-background-page .ibg-breadcrumb a {
    color: var(--ibg-primary);
    text-decoration: none;
    font-weight: 500;
}

.image-background-page .ibg-header {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.04) 0%, rgba(111, 66, 193, 0.04) 100%);
    border-bottom: 1px solid var(--ibg-card-border);
    padding: 2.5rem 0 2rem 0;
}

.image-background-page .ibg-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--ibg-primary) 0%, var(--ibg-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.image-background-page .ibg-subtitle {
    font-size: 1.1rem;
    color: var(--ibg-text-secondary);
    max-width: 850px;
    margin-bottom: 0.5rem;
}

/* Workflow Step Indicator */
.image-background-page .ibg-workflow-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.image-background-page .ibg-workflow-step {
    background: var(--ibg-card-bg);
    border: 1px solid var(--ibg-card-border);
    border-radius: 50rem;
    padding: 0.4rem 1.1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ibg-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.image-background-page .ibg-workflow-step.active {
    background: var(--ibg-primary);
    color: #ffffff;
    border-color: var(--ibg-primary);
}

.image-background-page .ibg-workflow-arrow {
    color: var(--ibg-text-secondary);
    font-size: 0.75rem;
}

/* Dropzone */
.image-background-page .ibg-dropzone {
    background: var(--ibg-dropzone-bg);
    border: 2px dashed var(--ibg-dropzone-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.image-background-page .ibg-dropzone:hover,
.image-background-page .ibg-dropzone.dragover {
    border-color: var(--ibg-primary);
    background: var(--ibg-badge-bg);
}

.image-background-page .ibg-dropzone-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--ibg-badge-bg);
    color: var(--ibg-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

/* Canvas & Transparency Checkerboard Pattern */
.image-background-page .ibg-canvas-wrapper {
    position: relative;
    border: 1px solid var(--ibg-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    user-select: none;
    transition: background 0.3s ease;
}

.image-background-page .ibg-checkerboard {
    background-color: #ffffff;
    background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
                      linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
                      linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.image-background-page .ibg-source-img {
    max-width: 100%;
    max-height: 500px;
    display: block;
    border-radius: 8px;
    transition: transform 0.2s ease;
}

/* Color Swatches & Preset Cards */
.image-background-page .ibg-swatch {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid var(--ibg-card-border);
    cursor: pointer;
    display: inline-block;
    transition: transform 0.2s ease;
}

.image-background-page .ibg-swatch:hover,
.image-background-page .ibg-swatch.active {
    transform: scale(1.2);
    border-color: var(--ibg-primary);
}

.image-background-page .ibg-preset-card {
    background: var(--ibg-card-bg);
    border: 1px solid var(--ibg-card-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.image-background-page .ibg-preset-card:hover,
.image-background-page .ibg-preset-card.active {
    border-color: var(--ibg-primary);
    background: var(--ibg-badge-bg);
}

/* Panels & Form Controls */
.image-background-page .ibg-panel {
    background: var(--ibg-card-bg);
    border: 1px solid var(--ibg-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.image-background-page .ibg-form-control {
    background: var(--ibg-card-bg);
    color: var(--ibg-text-primary);
    border: 1px solid var(--ibg-card-border);
    border-radius: 10px;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 767.98px) {
    .image-background-page .ibg-title { font-size: 1.75rem; }
    .image-background-page .ibg-dropzone { padding: 2rem 1rem; }
    .image-background-page .ibg-workflow-bar { flex-direction: column; }
}