/**
 * Copyright 2026 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Page facts and the optional example-model picker beneath the H1. */
.page-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--gemma-space-4);
  padding-bottom: var(--gemma-space-3);
  margin-bottom: var(--gemma-space-5);
  font-size: 0.75rem;
  line-height: 1.4;
  border-bottom: 1px solid var(--gemma-border);
}

.page-context__item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--gemma-space-2);
}

.page-context__item:not(:first-child)::before {
  content: "";
  width: 1px;
  align-self: stretch;
  margin-right: 10px;
  background-color: var(--gemma-border-strong);
}

.page-context__label {
  color: var(--gemma-text-muted);
}

.page-context__value {
  font-weight: 600;
  color: var(--gemma-text-secondary);
}

.page-context__value:not(:last-child)::after {
  content: ",";
  font-weight: 400;
  color: var(--gemma-text-muted);
}

.md-typeset .page-context__value--link {
  color: var(--gemma-text-secondary);
  text-decoration: none;
}

.md-typeset .page-context__value--link:hover,
.md-typeset .page-context__value--link:focus-visible {
  color: var(--gemma-accent);
  text-decoration: underline;
}

.md-typeset .page-context__colab {
  display: inline-flex;
  align-items: center;
  gap: var(--gemma-space-1);
}

.page-context__colab img {
  display: block;
  width: 1rem;
  height: 1rem;
}

.page-context__picker {
  position: relative;
  display: inline-flex;
}

.page-context__picker-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 1.25rem 0 var(--gemma-space-1);
  font: inherit;
  font-weight: 600;
  color: var(--gemma-text-secondary);
  background: transparent;
  border: 0;
  border-radius: var(--gemma-radius-sm);
  box-shadow: inset 0 0 0 1px var(--gemma-border);
  cursor: pointer;
}

/* Keep a comfortable pointer target without increasing the metadata row's line box. */
.page-context__picker-trigger::before {
  content: "";
  position: absolute;
  inset: -0.25rem;
}

.page-context__picker-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.45rem;
  width: 0.34em;
  height: 0.34em;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-70%) rotate(45deg);
}

.page-context__picker-trigger:hover,
.page-context__picker-trigger[aria-expanded="true"] {
  color: var(--gemma-text-primary);
  background: var(--gemma-surface-sunken);
  box-shadow: inset 0 0 0 1px var(--gemma-border-strong);
}

.page-context__picker-trigger:focus-visible,
.page-context__picker-option:focus-visible {
  outline: 2px solid var(--gemma-accent);
  outline-offset: 2px;
}

.page-context__picker-menu {
  position: absolute;
  top: calc(100% + var(--gemma-space-2));
  left: 0;
  z-index: 20;
  display: grid;
  width: max-content;
  min-width: 17rem;
  max-width: min(22rem, calc(100vw - 2rem));
  padding: var(--gemma-space-1);
  background: var(--gemma-surface);
  border: 1px solid var(--gemma-border-strong);
  border-radius: var(--gemma-radius-lg);
  box-shadow: var(--gemma-shadow-md);
}

.page-context__picker-menu[hidden] {
  display: none;
}

.page-context__picker-option {
  display: grid;
  gap: 0.125rem;
  width: 100%;
  padding: var(--gemma-space-2) var(--gemma-space-3);
  font: inherit;
  color: var(--gemma-text-secondary);
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--gemma-radius-md);
  cursor: pointer;
}

.page-context__picker-option:hover,
.page-context__picker-option:focus-visible,
.page-context__picker-option[aria-selected="true"] {
  background: color-mix(in srgb, var(--gemma-accent) 10%, transparent);
}

.page-context__picker-option-name {
  font-weight: 600;
}

.page-context__picker-option-meta,
.page-context__picker-notice {
  color: var(--gemma-text-muted);
  font-size: 0.6875rem;
}

.page-context__picker-notice {
  padding: var(--gemma-space-2) var(--gemma-space-3) var(--gemma-space-3);
  margin-bottom: var(--gemma-space-1);
  border-bottom: 1px solid var(--gemma-border);
}

@media screen and (max-width: 44.98em) {
  .page-context {
    gap: var(--gemma-space-3);
  }

  .page-context__item:not(:first-child)::before {
    display: none;
  }

  .page-context__picker-menu {
    min-width: min(17rem, calc(100vw - 2rem));
  }
}