/* Version selector in the topbar. */

.topbar-versions {
    position: relative;
    user-select: none;
}

.topbar-versions > summary {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 32px;
    padding: 0 8px;
    border-radius: 6px;
    color: var(--sidebar-fg);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    list-style: none;
    transition: background 0.15s, color 0.15s;
}

.topbar-versions > summary::-webkit-details-marker {
    display: none;
}

.topbar-versions > summary::before {
    content: "\f02b";
    font-family: "Font Awesome 7 Free";
    font-weight: 900;
    font-size: 0.9em;
    opacity: 0.85;
}

.topbar-versions > summary:hover,
.topbar-versions[open] > summary {
    background: var(--bg-hover-on-dark);
    color: #ffffff;
}

.topbar-versions > summary::after {
    content: "\f077";
    font-family: "Font Awesome 7 Free";
    font-weight: 900;
    font-size: 0.7em;
    opacity: 0.9;
    transform: rotate(180deg);
    transition: transform 0.15s;
}

.topbar-versions[open] > summary::after {
    transform: rotate(0deg);
}

.topbar-versions-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 200;
    min-width: 168px;
    padding: 6px 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    box-shadow:
        0 0 6px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.1),
        0 8px 24px rgba(0, 0, 0, 0.16);
}

[data-theme="dark"] .topbar-versions-menu {
    border-color: rgba(255, 255, 255, 0.14);
    background: var(--surface-raised);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 10px 28px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .topbar-versions-sep {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.topbar-versions-sep {
    height: 0;
    margin: 5px 0;
    border: 0;
    border-top: 1px solid var(--border);
}

.topbar-versions-menu .topbar-versions-item,
.topbar-versions-menu .topbar-versions-item:visited {
    display: flex;
    align-items: baseline;
    gap: 7px;
    padding: 5px 14px;
    color: var(--text);
    font-size: 0.88rem;
    text-decoration: none;
}

.topbar-versions-name {
    font-weight: 600;
}

.topbar-versions-item:hover {
    background: var(--bg-hover);
    text-decoration: none;
}

.topbar-versions-note {
    margin-left: auto;
    padding-left: 18px;
    color: var(--text-muted);
    font-size: 0.76rem;
}

.topbar-versions-menu {
    max-width: calc(100vw - 24px);
}

@media (max-width: 1024px) {
    .topbar-versions > summary {
        padding: 0 8px;
    }
}

@media (max-width: 600px) {
    .topbar-versions > summary::before {
        display: none;
    }
}

@media (pointer: coarse) {
    .topbar-versions > summary {
        height: 44px;
    }

    .topbar-versions-menu .topbar-versions-item {
        padding-top: 9px;
        padding-bottom: 9px;
    }
}