/* =============================================================================
   navigation.css
   sidebar nav, breadcrumbs, tabs, pagination, and table switchers
============================================================================= */

/* =======================================
   SIDEBAR
========================================== */

/* wrapper for one sidebar nav group */
.la-nav-section {
    margin-top: var(--la-5);
}

/* small heading above nav group */
.la-nav-title {
    margin: 0 0 var(--la-2);
    padding: 0 var(--la-2);
    color: var(--la-muted);
    font-size: var(--la-text-xs);
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

/* nav link stack */
.la-nav {
    display: grid;
    gap: 2px;
}

/* sidebar nav link */
.la-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--la-3);
    min-height: var(--la-control-height);
    padding: 0 var(--la-3) 0 var(--la-4);
    border: 1px solid transparent;
    border-radius: var(--la-radius-sm);
    color: var(--la-ink-soft);
    font-size: var(--la-text-sm);
    text-decoration: none;
    transition:
        background-color var(--la-transition-fast),
        border-color var(--la-transition-fast),
        color var(--la-transition-fast);
}

.la-nav-link:hover {
    background: var(--la-brand-soft);
    color: var(--la-ink);
}

/* active sidebar route */
.la-nav-link.is-active,
.la-nav-link[aria-current="page"] {
    background: var(--la-surface-selected);
    color: var(--la-ink);
    border-color: var(--la-border);
    font-weight: var(--la-weight-light);
}

.la-nav-link.is-active::before,
.la-nav-link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 9px;
    bottom: 9px;
    width: 3px;
    border-radius: 3px;
    background: var(--la-brand);
}

/* optional nav code marker */
.la-nav-code {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    width: 30px;
    flex: none;
    color: var(--la-muted);
    font-family: var(--la-mono);
    font-size: var(--la-text-xs);
    line-height: 1;
}

/* optional nav svg marker */
.la-nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    flex: none;
    color: var(--la-muted);
}

.la-nav-icon svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* nav label text */
.la-nav-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* plain nav link with no code or svg */
.la-nav-link--plain {
    gap: 0;
}

/* active/hover marker inherits better color */
.la-nav-link:hover .la-nav-code,
.la-nav-link:hover .la-nav-icon,
.la-nav-link.is-active .la-nav-code,
.la-nav-link.is-active .la-nav-icon,
.la-nav-link[aria-current="page"] .la-nav-code,
.la-nav-link[aria-current="page"] .la-nav-icon {
    color: currentColor;
}

/* =======================================
   BREADCRUMBS
========================================== */

/* topbar breadcrumb trail */
.la-breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--la-2);
    min-width: 0;
    color: var(--la-muted);
    font-size: var(--la-text-sm);
}

.la-breadcrumbs strong {
    color: var(--la-ink-soft);
    font-weight: 600;
}

.la-breadcrumbs a {
    color: var(--la-ink-soft);
    font-weight: 600;
    text-decoration: none;
}

.la-breadcrumbs a:hover {
    color: var(--la-brand);
    text-decoration: underline;
}


/* page-level breadcrumb trail */
.la-breadcrumb-trail {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--la-2);
    margin-bottom: var(--la-3);
    color: var(--la-muted);
    font-size: var(--la-text-sm);
}

.la-breadcrumb-trail a {
    color: var(--la-brand);
    text-decoration: none;
    transition: color var(--la-transition-fast);
}

.la-breadcrumb-trail a:hover {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* current breadcrumb item */
.la-breadcrumbs [data-breadcrumb],
.la-breadcrumbs [aria-current="page"],
.la-breadcrumb-trail [aria-current="page"],
.la-breadcrumb-trail .is-current {
    color: var(--la-brand);
    font-weight: var(--la-weight-light);
}

/* =======================================
   TABS
========================================== */

/* tab list */
.la-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--la-4);
    border-bottom: 1px solid var(--la-border);
}


/* tab button */
.la-tabs .la-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: var(--la-2) var(--la-1);
  color: var(--la-ink-soft);
  margin-bottom: -1px;
  transition: var(--la-transition-fast);
}

.la-tabs .la-tab-btn:hover {
  color: var(--la-ink);
  border-bottom-color: var(--la-border-strong);
}

/* The Active Tab */
.la-tabs .la-tab-btn.is-active {
  color: var(--la-brand-action);
  border-bottom-color: var(--la-brand-action);
  font-weight: var(--la-weight-bold);
}

/* =======================================
   PAGINATION
========================================== */

/* pagination row */
.la-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--la-2);
    padding: var(--la-4) 0 0;
}

/* pagination count label */
.la-pagination-info {
    color: var(--la-muted);
    font-size: var(--la-text-sm);
}

/* page link */
.la-page-link {
    min-width: calc(var(--la-4) * 2 + var(--la-1));
    padding: var(--la-2) var(--la-3);
    border: 1px solid var(--la-border);
    border-radius: var(--la-radius-sm);
    background: var(--la-surface);
    color: var(--la-muted);
    font-size: var(--la-text-sm);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--la-transition-fast),
        border-color var(--la-transition-fast),
        color var(--la-transition-fast);
}

.la-page-link:hover:not(.is-current) {
    border-color: var(--la-muted);
    color: var(--la-ink);
}

/* current page */
.la-page-link.is-current,
.la-page-link[aria-current="page"] {
    border-color: var(--la-brand);
    background: var(--la-brand-soft);
    color: var(--la-brand-ink);
}

/* =======================================
   TABLE SWITCHER
========================================== */

/* quick switcher between related table views */
.la-table-switcher {
    display: flex;
    flex-wrap: wrap;
    gap: var(--la-1);
    margin-bottom: var(--la-4);
    padding: var(--la-1);
    border: 1px solid var(--la-border);
    border-radius: var(--la-radius-lg);
    background: var(--la-surface-subtle);
}

/* switcher separator */
.la-table-switcher-sep {
    align-self: center;
    padding: 0 var(--la-1);
    color: var(--la-border-strong);
}

/* switcher link */
.la-table-switcher-link {
    padding: var(--la-1) var(--la-3);
    border-radius: var(--la-radius-md);
    color: var(--la-muted);
    font-size: var(--la-text-sm);
    font-weight: 500;
    text-decoration: none;
    transition:
        background-color var(--la-transition-fast),
        color var(--la-transition-fast);
}

.la-table-switcher-link:hover {
    color: var(--la-ink);
}

/* selected switcher link */
.la-table-switcher-link-active,
.la-table-switcher-link.is-active {
    background: var(--la-brand-action);
    color: var(--la-surface);
    font-weight: 600;
}

/* make sidebar nav breathe on narrower layouts */
@media (max-width: 980px) {
    .la-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* single column nav on phones */
@media (max-width: 720px) {
    .la-nav {
        grid-template-columns: 1fr;
    }
}


/* =======================================
   BACK LINK
========================================== */

/* back-to-parent link shown above in-page section nav */
.la-nav-link--back {
    color: var(--la-brand);
    font-size: var(--la-text-xs);
    font-weight: var(--la-weight-light);
    padding-left: var(--la-3);
}

.la-nav-link--back:hover {
    color: var(--la-brand-hover);
    background: var(--la-brand-soft);
}