/* Shared compact sticky header for all itinerary pages.
   Master design: Best of Vietnam (EN / FR / HE). */
.vht-compact-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #ffffff;
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
    transition: box-shadow 0.2s ease;
}
.vht-compact-header.is-scrolled {
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
}
.vht-compact-header__inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.vht-compact-header__brand {
    display: flex;
    align-items: center;
    min-width: 0;
    flex-shrink: 0;
    text-decoration: none;
}
.vht-compact-header__brand img {
    height: 48px;
    width: auto;
    max-width: none;
    object-fit: contain;
    flex-shrink: 0;
}
.vht-compact-header__brand span {
    margin-left: 0.5rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
[dir="rtl"] .vht-compact-header__brand span {
    margin-right: 0.5rem;
    margin-left: 0;
}
.vht-compact-header__nav {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0.65rem;
    font-size: 0.8rem;
}
.vht-compact-header__nav a {
    color: #374151;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s ease;
}
.vht-compact-header__nav a:hover { color: #2563eb; }
.vht-compact-header__nav a.back-to-tours {
    color: #1d4ed8;
    font-weight: 700;
}
.vht-compact-header__nav a.back-to-tours:hover { color: #1e3a8a; }
@media (min-width: 640px) {
    .vht-compact-header__nav { gap: 1rem; font-size: 0.875rem; }
    .vht-compact-header__brand span { font-size: 1rem; }
}
@media (min-width: 768px) {
    .vht-compact-header__inner { height: 68px; }
    .vht-compact-header__brand img { height: 52px; }
    .vht-compact-header__brand span { margin-left: 0.65rem; font-size: 1.05rem; }
    [dir="rtl"] .vht-compact-header__brand span { margin-right: 0.65rem; margin-left: 0; }
    .vht-compact-header__nav { gap: 1.25rem; font-size: 0.95rem; }
    /* Keep sticky map clear of the sticky header */
    .itinerary-map-card { top: 5.5rem; }
    .itinerary-days-scroll { max-height: calc(100vh - 6.5rem); }
}
@media (min-width: 1024px) {
    .vht-compact-header__inner { height: 76px; }
    .vht-compact-header__brand img { height: 56px; }
    .vht-compact-header__brand span { font-size: 1.15rem; }
    .vht-compact-header__nav { gap: 1.75rem; font-size: 1rem; }
    .itinerary-map-card { top: 6rem; }
}
@media (max-width: 419px) {
    .vht-compact-header__brand span { display: none; }
    .vht-compact-header__nav { gap: 0.35rem; font-size: 0.68rem; }
}