/* Push drawer: a side panel that collapses to a thin strip so the main
   content can grow. Same mechanic as the nav rail collapse (class toggle +
   flex-basis transition + localStorage), generalised for page content.
   Markup pattern documented in templates/components/push_drawer_toggle.html. */

.push-drawer {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.push-drawer__main {
    flex: 1 1 auto;
    min-width: 0;
}

.push-drawer__panel {
    flex: 0 0 var(--push-drawer-w, 50%);
    min-width: 0;
    transition: flex-basis 0.15s ease;
}

.push-drawer__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: none;
    border: 1px solid var(--grey-lighter);
    border-radius: var(--border-radius-sm, 4px);
    padding: 0.35rem 0.6rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    color: var(--deep-teal);
    font-size: 0.8rem;
    font-weight: 600;
}

.push-drawer__toggle:hover {
    background-color: var(--seasalt-white, #F8F9FA);
}

.push-drawer__toggle:focus-visible {
    outline: 2px solid var(--deep-teal);
    outline-offset: 2px;
}

/* Collapsed: the panel becomes a thin strip with a vertical label. */
.push-drawer.is-collapsed .push-drawer__panel {
    flex-basis: 48px;
}

.push-drawer.is-collapsed .push-drawer__content {
    display: none;
}

.push-drawer.is-collapsed .push-drawer__toggle {
    flex-direction: column;
    width: 100%;
    padding: 0.6rem 0.2rem;
}

.push-drawer.is-collapsed .push-drawer__strip-label {
    writing-mode: vertical-rl;
}

/* Below tablet the columns stack anyway; the panel just collapses vertically. */
@media (max-width: 768px) {
    .push-drawer {
        flex-direction: column;
    }
    .push-drawer__panel {
        flex-basis: auto;
        width: 100%;
    }
    .push-drawer.is-collapsed .push-drawer__panel {
        flex-basis: auto;
    }
    .push-drawer.is-collapsed .push-drawer__toggle {
        flex-direction: row;
        width: auto;
        padding: 0.35rem 0.6rem;
    }
    .push-drawer.is-collapsed .push-drawer__strip-label {
        writing-mode: horizontal-tb;
    }
}

@media (prefers-reduced-motion: reduce) {
    .push-drawer__panel {
        transition: none;
    }
}