.parent-grid {
    display: grid;
    gap: 12px;
}

.parent-card {
    background: #ffffff;
    border: 1px solid var(--color-border-soft-blue);
    border-radius: 12px;
    padding: 14px;
}

.parent-card h3 {
    margin-bottom: 8px;
}

.parent-card ul {
    padding-left: 20px;
}

.parent-card li + li {
    margin-top: 5px;
}

.parent-nav {
    margin-bottom: 20px;
}

.phrase {
    margin-top: 8px;
    background: var(--color-surface-summary);
    border: 1px dashed #b7c9e8;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.95rem;
}

.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px;
}

.track-card {
    border: 1px solid var(--color-border-soft-blue);
    border-radius: 10px;
    padding: 10px;
    background: var(--color-surface-card);
}

.print-sheet {
    border: 1px dashed #9eb4da;
    border-radius: 10px;
    padding: 10px;
    margin-top: 8px;
    background: #f4f8ff;
}

.print-sheet li {
    list-style: none;
    position: relative;
    padding-left: 24px;
}

.print-sheet li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    width: 14px;
    height: 14px;
    border: 1px solid #607daa;
    border-radius: 2px;
    background: #fff;
}

@media print {
    .parent-nav,
    .print-actions {
        display: none !important;
    }

    .parent-card,
    .track-card,
    .print-sheet {
        border: 1px solid #cfd7e3;
        box-shadow: none;
        break-inside: avoid;
        page-break-inside: avoid;
    }
}