/**
 * Unified page header – shared layout and typography for Dossiers, MCH, Lists, Query, BMCH
 */

.page-header {
    margin-bottom: 2rem;
}

.page-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.page-header-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color-dark, #2c3e50);
    margin: 0;
}

.page-header-info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    background: transparent;
    color: #6b7280;
    cursor: pointer;
    border-radius: 50%;
    transition: color 0.2s ease, background 0.2s ease;
}

.page-header-info-btn:hover {
    color: var(--accent-color, #0066cc);
    background: rgba(0, 102, 204, 0.08);
}

.page-header-info-btn i {
    font-size: 1.25rem;
}

.page-header-subtitle {
    font-size: 1.1rem;
    color: #666666;
    font-weight: 400;
    margin: 0.5rem 0 0 0;
}

.page-header-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: nowrap;
}

.page-header-export-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent-color, #0066cc);
    background: transparent;
    color: var(--accent-color, #0066cc);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.page-header-export-btn:hover {
    background: var(--accent-color, #0066cc);
    color: #fff;
}

@media (max-width: 768px) {
    .page-header-top {
        flex-direction: column;
        align-items: stretch;
    }
}