.split-preview-panel {
    display: none;
    margin-top: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
}

.split-preview-panel.show {
    display: block;
}

.split-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.split-preview-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.split-preview-subtitle {
    font-size: 0.8rem;
    color: var(--muted);
}

.split-thumbnails-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.split-thumb-card {
    position: relative;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.split-thumb-card:hover {
    transform: translateY(-2px);
    border-color: rgba(107, 78, 255, 0.35);
    background: var(--card-hover);
}

.split-thumb-canvas-wrap {
    width: 100%;
    height: 190px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.split-thumb-canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
}

.split-thumb-loading {
    width: 100%;
    height: 190px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 0.78rem;
    text-align: center;
    padding: 12px;
}

.split-thumb-page {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.split-thumb-meta {
    font-size: 0.74rem;
    color: var(--muted);
    line-height: 1.4;
}

.split-preview-empty {
    font-size: 0.82rem;
    color: var(--muted);
    text-align: center;
    padding: 20px 12px;
}

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

    .split-thumb-card {
        width: 80%;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .split-thumb-card {
        width: 88%;
    }
}

/* ── Botões de ação do header ──────────────────────────────────── */
.split-preview-actions {
    display: none;
    gap: 8px;
    flex-shrink: 0;
}

.mode-individual ~ * .split-preview-actions,
.split-preview-actions.visible {
    display: flex;
}

.split-action-btn {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

.split-action-btn:hover {
    background: var(--surface2);
    color: var(--text);
}

.split-action-btn--restore {
    display: none;
    border-color: rgba(107, 78, 255, 0.35);
    color: var(--accent2, #6b4eff);
}

.split-action-btn--restore.visible {
    display: inline-flex;
    align-items: center;
}

/* ── Botão remover ─────────────────────────────────────────────── */
.remove-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    background: rgba(239, 68, 68, 0.8);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.2s ease;
    line-height: 1;
    padding: 0;
}

.remove-btn:hover {
    background: var(--error);
}

/* O remove-btn só aparece no modo individual */
.split-thumb-card .remove-btn {
    display: none;
}

.mode-individual .split-thumb-card .remove-btn {
    display: flex;
}

/* Card excluído */
.split-thumb-card.page-excluded .split-thumb-canvas-wrap {
    opacity: 0.35;
}

.split-thumb-card.page-excluded .split-thumb-page {
    color: var(--muted);
}

/* Cursor de dica para restaurar */
.split-thumb-card.page-excluded {
    cursor: pointer;
    border-color: rgba(239, 68, 68, 0.4);
}

/* ── Cards clicáveis: tipo de divisão ─────────────────────────── */

/* Variante em coluna (3 cards empilhados, layout horizontal interno) */
.option-cards--column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-card--wide {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    text-align: left;
}

.option-card--wide .option-card-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.option-card--wide .option-card-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

/* Reutiliza os estilos base de .option-card do pdf_to_images-uploader.css
   (border, hover, selected, radio escondido, title, desc).
   Se esse CSS for carregado junto, nada muda.
   Se for standalone, copiar as regras base abaixo: */
.option-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 14px 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    user-select: none;
}

.option-card:hover {
    border-color: var(--accent);
}

.option-card.selected {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, var(--surface));
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.option-card-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.option-card.selected .option-card-title {
    color: var(--accent);
}

.option-card-desc {
    font-size: 0.72rem;
    color: var(--text-muted, var(--muted));
    line-height: 1.3;
}

/* Painel de opções */
.options-panel {
    display: flex;
    flex-direction: column;
}

.options-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted, var(--muted));
    margin-bottom: 20px;
}

.option-group {
    margin-bottom: 22px;
}

.option-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 10px;
}

.option-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font-size: 0.9rem;
    box-sizing: border-box;
}

.option-input:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.options-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 4px 0 20px;
}

body {
    outline: 5px solid red !important;
}