.page-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.page-header h2 {
    font-weight: 600;
}

.summary-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.summary-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #6b7280;
    letter-spacing: 0.05em;
}

.summary-value {
    font-size: 1.85rem;
    font-weight: 700;
    color: #1f2937;
}

.summary-meta {
    font-size: 0.85rem;
    color: #9ca3af;
}

.note-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.note-card {
    border-radius: 16px;
    background: #fff;
    overflow: hidden;
}

.note-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #f1f5f9;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(37, 99, 235, 0.08));
}

.note-card-body {
    padding: 1.5rem;
}

.empty-state {
    text-align: center;
    padding: 2.5rem;
    border: 2px dashed #d1d5db;
    border-radius: 12px;
    color: #6b7280;
}

.empty-state i {
    font-size: 2rem;
    color: #2563eb;
}

@media (max-width: 768px) {
    .summary-card {
        text-align: center;
    }

    .note-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}