.page-card {
    transition: all 0.2s ease;
    cursor: pointer;
}

.page-card:hover,
.page-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.page-card.selected,
.page-thumbnail-card.selected {
    border-color: var(--primary) !important;
    background-color: #f1f5ff;
    box-shadow: 0 10px 24px rgba(47, 92, 255, 0.18);
}

.page-selection {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    background: var(--surface-soft);
}

.reorder-container {
    min-height: 100px;
    background-color: var(--surface-soft);
}

.reorder-item {
    cursor: move;
    transition: all 0.2s ease;
    border: 1px solid var(--border);
}

.reorder-item:hover {
    border-color: #9cb2ff;
    background: #eff4ff;
}

.reorder-item.dragging,
.page-thumbnail-card.dragging {
    opacity: 0.55;
    transform: rotate(3deg);
    cursor: grabbing;
}

.edit-options-card {
    transition: all 0.2s ease;
    border-radius: 12px;
}

.edit-options-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.page-thumbnail-card {
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--border);
    border-radius: 14px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fff, #f9fbff);
    box-shadow: 0 6px 14px rgba(35, 49, 79, 0.08);
}

.page-thumbnail-card:hover {
    transform: translateY(-2px);
    border-color: #9eb4ff;
    box-shadow: 0 14px 28px rgba(47, 92, 255, 0.16);
}

.page-thumbnail {
    width: 100%;
    height: 160px;
    object-fit: contain;
    background-color: #f4f8ff;
    border-radius: 8px;
    margin-bottom: 8px;
}

.page-number-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(130deg, var(--primary), #4f72ff);
    box-shadow: 0 4px 10px rgba(47, 92, 255, 0.35);
}

.page-info {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.25;
}

.page-checkbox-wrapper {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #d5def9;
    border-radius: 6px;
    padding: 2px 4px;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-action-buttons {
    position: absolute;
    top: 8px;
    right: 40px;
    display: none;
    gap: 4px;
}

.page-thumbnail-card:hover .page-action-buttons,
.page-thumbnail-card:focus-within .page-action-buttons {
    display: flex;
}

.page-action-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #fff;
    box-shadow: 0 3px 8px rgba(22, 31, 64, 0.22);
}

.page-action-btn:hover,
.page-action-btn:focus-visible {
    transform: scale(1.1);
}

.rotate-btn {
    background: linear-gradient(130deg, #16a34a, #2ebf68);
}

.delete-btn {
    background: linear-gradient(130deg, #dc3545, #f05f72);
}

.page-thumbnail-card.drag-over {
    border-color: #f5aa00;
    background-color: #fff7e6;
    transform: scale(1.02);
    box-shadow: 0 10px 26px rgba(245, 170, 0, 0.28);
}

.page-thumbnail-card.drop-target-top {
    border-top: 3px solid var(--success);
}

.page-thumbnail-card.drop-target-bottom {
    border-bottom: 3px solid var(--success);
}

.page-thumbnail-card.drop-target {
    border-color: var(--success);
    background-color: #eafcf6;
}

.batch-action-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    border-radius: 12px;
    padding: 12px 14px;
    border: 1px solid #b9e6f1;
    background: linear-gradient(135deg, #ecf9ff, #f3fbff);
}

.batch-action-bar.show {
    display: flex;
}

.batch-info {
    font-weight: 600;
    color: #0f6f90;
}

.batch-action-buttons {
    display: flex;
    gap: 8px;
}

.batch-action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.batch-action-btn:hover {
    transform: translateY(-1px);
}

.batch-rotate-btn { background: linear-gradient(130deg, #16a34a, #1db967); }
.batch-delete-btn { background: linear-gradient(130deg, #d83f56, #ef6275); }
.batch-cancel-btn { background: linear-gradient(130deg, #6f809f, #8797b4); }

.page-preview-modal {
    max-width: 80vw;
    max-height: 80vh;
}

.page-preview-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 8px;
}

.preview-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-radius: 0 0 8px 8px;
    background-color: #f2f6ff;
}

.page-selection-info {
    background: #eff7ff;
    border: 1px solid #b7dcff;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    color: #24557a;
}