.map-nav {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.map-nav__trigger {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border: 1px solid var(--border-primary);
    border-radius: 999px;
    background: var(--bg-glass);
    color: inherit;
    font: inherit;
    font-weight: 700;
    letter-spacing: inherit;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.map-nav__trigger:hover {
    transform: translateY(-1px);
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--bg-glass) 72%, var(--accent-primary) 28%);
    box-shadow: var(--shadow-md);
}

.map-nav__trigger:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--accent-primary) 58%, transparent);
    outline-offset: 3px;
}

.map-nav__trigger-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.map-nav__trigger-prefix {
    color: inherit;
    opacity: 0.82;
}

.map-nav__trigger-arrow {
    font-size: 0.8em;
    opacity: 0.88;
    transition: transform 0.2s ease;
}

.map-nav.is-open .map-nav__trigger-arrow {
    transform: rotate(180deg);
}

.map-nav__panel {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 300px;
    padding: 12px;
    border-radius: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 60;
}

.map-nav.is-open .map-nav__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.map-nav__panel-header {
    padding: 2px 4px 10px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.map-nav__list {
    display: grid;
    gap: 8px;
}

.map-nav__item {
    display: grid;
    gap: 4px;
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border-secondary);
    background: var(--bg-glass);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.map-nav__item:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--accent-secondary) 48%, var(--border-primary));
    background: color-mix(in srgb, var(--bg-glass) 72%, var(--accent-secondary) 28%);
    box-shadow: var(--shadow-md);
}

.map-nav__item.is-active {
    border-color: color-mix(in srgb, var(--accent-primary) 58%, var(--border-primary));
    background:
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--accent-primary) 22%, transparent),
            color-mix(in srgb, var(--accent-secondary) 16%, transparent)
        ),
        var(--bg-glass);
    box-shadow: var(--shadow-md);
}

.map-nav__item-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.map-nav__item-name {
    font-size: 15px;
    font-weight: 700;
}

.map-nav__item-size {
    color: var(--text-muted);
    font-size: 12px;
    white-space: nowrap;
}

.map-nav__item-subtitle {
    color: var(--text-secondary);
    font-size: 12px;
}

@media (max-width: 900px) {
    .map-nav {
        width: 100%;
        justify-content: center;
    }

    .map-nav__trigger {
        width: 100%;
        justify-content: center;
    }

    .map-nav__panel {
        left: 50%;
        width: min(92vw, 340px);
        min-width: 0;
        transform: translate(-50%, -6px);
    }

    .map-nav.is-open .map-nav__panel {
        transform: translate(-50%, 0);
    }
}