/* ===================================================================
   Recognition Page Styles - Grids, Categories, Drop Areas
   =================================================================== */
.classification-content {
    flex: 1;
    min-width: 0;
}

.verification-area {
    padding: 24px;
    margin-bottom: 32px;
    background: var(--color-v3-surface-container);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.verification-area h3 {
    margin: 0 0 4px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.verification-area p {
    margin: 0;
    color: var(--secondary-text-color);
    font-size: 14px;
}

.verification-area.drag-over {
    background: var(--color-v3-button-container-accent);
    border-color: var(--primary-color);
}

.verification-area-content {
    pointer-events: none;
}

.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
}

.main-tabs {
    border-bottom: none;
    margin-bottom: 0;
    height: 100%;
    align-items: center;
}

.main-tabs .tab-link {
    transform: none;
    height: 100%;
    display: flex;
    align-items: center;
    margin-bottom: -1px;
}

.tab-link {
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--secondary-text-color);
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transform: translateY(2px);
    transition: all 0.2s ease;
}

.tab-link:hover {
    color: var(--text-color);
}

.tab-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
    position: sticky;
    top: var(--header-height);
    background-color: var(--bg-color);
    z-index: 50;
    padding: 1rem 0;
    transition: padding 0.3s ease;
}

.categories.categories-stuck {
    padding: 0.5rem 0 24px 0;
    box-shadow: var(--v3-shadow-md);
}

.categories.categories-stuck .category {
    padding: 6px 10px;
    min-height: 44px;
}

.categories.categories-stuck .category-name {
    font-size: 13px;
}

.category {
    background: var(--card-bg-color);
    border: 3px dashed var(--border-color);
    color: var(--secondary-text-color);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    min-height: 64px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    flex-direction: column;
    justify-content: space-between;
}

.category:hover {
    border-color: var(--primary-color);
    box-shadow: var(--v3-shadow-sm);
}

.category.drag-over {
    background: #e6f4ea;
    border-color: var(--color-success);
}

.category-name {
    cursor: pointer;
    flex: 1;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    text-align: center;
    transition: font-size 0.3s ease;
}

.new-category {
    background: var(--bg-color);
    border: 2px dashed var(--border-color);
    color: var(--secondary-text-color);
}

.new-category:hover {
    background: var(--card-bg-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.image-item {
    position: relative;
    background: var(--card-bg-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: grab;
    overflow: hidden;
}

.image-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
}

.image-item.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    cursor: grabbing;
}

.image-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.image-overlay-info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 15%, rgba(0, 0, 0, 0) 85%, rgba(0, 0, 0, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    pointer-events: none;
}

.image-item:hover .image-overlay-info {
    opacity: 1;
}

.image-overlay-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    font-size: 12px;
}

.resolution-overlay {
    font-weight: 500;
}

.filename-overlay {
    display: none;
}

.similarity-overlay {
    color: white;
    font-size: 13px;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
    padding-bottom: 40px; /* Space for the button bar */
}

.similarity-overlay.has-action {
    cursor: pointer;
}

.similarity-overlay .clickable-category,
.similarity-overlay .similarity-link {
    text-decoration: underline;
    cursor: pointer;
    color: inherit;
}

.similarity-overlay .similarity-link {
    display: flex;
    align-items: center;
    gap: 4px;
    width: 100%;
}

.image-info {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 4px;
    background: var(--card-bg-color);
    border-top: 1px solid var(--border-color);
    gap: 8px;
}

.category-selector {
    margin-left: auto;
}

/* Styles for verification drop zones inside the header */
.verification-area-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--card-bg-color);
    color: var(--secondary-text-color);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.verification-area-header:hover {
    background-color: var(--color-v3-hover);
    border-color: var(--primary-color);
    color: var(--text-color);
}

.verification-area-header.drag-over {
    background: var(--color-v3-button-container-accent);
    border-color: var(--primary-color);
}

.verification-area-header .material-symbols-outlined {
    font-size: 20px;
}