/* Custom overrides to the mdbook-tabs plugin's default styling.
   Kept separate from theme/tabs.css so plugin updates (via
   `mdbook-tabs install`) do not overwrite these rules. */

/* Container: left rail marking version-specific content. */
.mdbook-tabs-container {
    border-left: 3px solid var(--sidebar-active, var(--table-border-color));
    padding-left: 1.25rem;
}

/* Nav: thin baseline below the tab row. */
.mdbook-tabs {
    border-bottom: 1px solid var(--table-border-color);
}

/* Tab button: explicit foreground color and transparent active
   indicator so hover and active states have somewhere to land. */
.mdbook-tab {
    color: var(--fg);
    border-bottom: 2px solid transparent;
}

@media (prefers-reduced-motion: no-preference) {
    .mdbook-tab {
        transition: color 120ms ease, border-color 120ms ease;
    }
}

.mdbook-tab:hover:not(.active) {
    color: var(--sidebar-active, var(--fg));
}

.mdbook-tab.active {
    color: var(--sidebar-active, var(--fg));
    border-bottom-color: var(--sidebar-active, var(--fg));
}

/* Rust theme: --sidebar-active (#e69f67) has low contrast against the
   warm tan tab backgrounds. Fall back to --fg for the label text; the
   accent still carries the active signal via the bottom border. */
.rust .mdbook-tab.active {
    color: var(--fg);
}

.rust .mdbook-tab:hover:not(.active) {
    color: var(--fg);
    border-bottom-color: var(--sidebar-active, var(--fg));
}

/* Print: show every tab pane with a heading-like label, and hide the
   interactive nav since clicking has no meaning on paper. */
@media print {
    .mdbook-tabs {
        display: none;
    }

    .mdbook-tab-content.hidden {
        display: block;
    }

    .mdbook-tab-content::before {
        content: attr(data-tabname);
        display: block;
        font-size: 1.3em;
        font-weight: bold;
        margin: 1em 0 0.5em;
    }
}