/* docs/assets/chrome.css
 *
 * Shared top-bar chrome for every demo page. Provides the env switcher,
 * polst-link input, and "View source" link. Light/dark aware to match
 * the index.
 */

:root {
  --chrome-bg: #ffffff;
  --chrome-fg: #111111;
  --chrome-muted: #555555;
  --chrome-border: #e5e5e5;
  --chrome-accent: #2962ff;
  --chrome-input-bg: #fafafa;
  --chrome-empty-bg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --chrome-bg: #161618;
    --chrome-fg: #f5f5f5;
    --chrome-muted: #a8a8a8;
    --chrome-border: #2a2a2d;
    --chrome-accent: #82a9ff;
    --chrome-input-bg: #0c0c0d;
    --chrome-empty-bg: #161618;
  }
}

.polst-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: var(--chrome-bg);
  color: var(--chrome-fg);
  border-bottom: 1px solid var(--chrome-border);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 0.92rem;
  line-height: 1.4;
  position: sticky;
  top: 0;
  z-index: 10;
}

.polst-chrome__back {
  color: var(--chrome-accent);
  text-decoration: none;
}

.polst-chrome__back:hover {
  text-decoration: underline;
}

.polst-chrome__divider {
  width: 1px;
  align-self: stretch;
  background: var(--chrome-border);
}

.polst-chrome__field {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.polst-chrome__field label {
  color: var(--chrome-muted);
  font-size: 0.85rem;
}

.polst-chrome__select,
.polst-chrome__input {
  background: var(--chrome-input-bg);
  color: var(--chrome-fg);
  border: 1px solid var(--chrome-border);
  border-radius: 6px;
  padding: 4px 8px;
  font: inherit;
  line-height: 1.2;
}

.polst-chrome__select:focus-visible,
.polst-chrome__input:focus-visible {
  outline: 2px solid var(--chrome-accent);
  outline-offset: 1px;
}

.polst-chrome__form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 320px;
  min-width: 220px;
}

.polst-chrome__input {
  flex: 1 1 auto;
  min-width: 0;
}

.polst-chrome__submit {
  background: var(--chrome-accent);
  color: #ffffff;
  border: 1px solid var(--chrome-accent);
  border-radius: 6px;
  padding: 4px 10px;
  font: inherit;
  cursor: pointer;
}

.polst-chrome__submit:hover {
  filter: brightness(1.05);
}

.polst-chrome__source {
  margin-left: auto;
  color: var(--chrome-accent);
  text-decoration: none;
  font-size: 0.88rem;
}

.polst-chrome__source:hover {
  text-decoration: underline;
}

/* Empty state */
.polst-empty {
  margin: 48px auto;
  max-width: 560px;
  padding: 32px 24px;
  border: 1px dashed var(--chrome-border);
  border-radius: 12px;
  background: var(--chrome-empty-bg);
  color: var(--chrome-fg);
  text-align: center;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Helvetica Neue",
    Arial,
    sans-serif;
}

.polst-empty p {
  margin: 0;
  color: var(--chrome-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.polst-empty a {
  color: var(--chrome-accent);
  text-decoration: none;
}

.polst-empty a:hover {
  text-decoration: underline;
}

/* Health banner — sits above .polst-chrome on every demo page.
 * Mounted by `installHealthBanner()` (chrome.js) via `bootstrap()`
 * (chrome-render.js). No per-page HTML changes required. */
.chrome-health-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 20px;
  background: var(--chrome-bg);
  color: var(--chrome-muted);
  border-bottom: 1px solid var(--chrome-border);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 0.78rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.chrome-health-banner__env {
  color: var(--chrome-fg);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.chrome-health-banner__sep {
  color: var(--chrome-border);
}

.chrome-health-banner__host {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--chrome-muted);
}

.chrome-health-banner__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chrome-health-banner__label {
  color: var(--chrome-muted);
}

.chrome-health-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chrome-border);
  flex: 0 0 auto;
}

.chrome-health-dot.is-healthy {
  background: #1f9d55;
  box-shadow: 0 0 0 2px color-mix(in srgb, #1f9d55 25%, transparent);
}

.chrome-health-dot.is-down {
  background: #d23535;
  box-shadow: 0 0 0 2px color-mix(in srgb, #d23535 25%, transparent);
}

@media (prefers-color-scheme: dark) {
  .chrome-health-dot.is-healthy {
    background: #4ade80;
    box-shadow: 0 0 0 2px color-mix(in srgb, #4ade80 25%, transparent);
  }

  .chrome-health-dot.is-down {
    background: #f87171;
    box-shadow: 0 0 0 2px color-mix(in srgb, #f87171 25%, transparent);
  }
}

/* Copy button + snippet block — paired markup pattern used by the
 * per-demo "ready to paste" code blocks on ios / android / rn. The
 * shared `installCopyHandlers()` (chrome.js) wires the button to
 * `navigator.clipboard.writeText(<code-target>.textContent)` and
 * toggles the `is-copied` class for 2s after a successful copy. */
.snippet-block {
  margin: 12px 0 0;
}

.snippet-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 6px;
}

.snippet-block__header h3,
.snippet-block__header h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.copy-button {
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.2;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--chrome-border);
  background: var(--chrome-input-bg);
  color: var(--chrome-fg);
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease,
    border-color 120ms ease;
}

.copy-button:hover {
  border-color: var(--chrome-accent);
  color: var(--chrome-accent);
}

.copy-button:focus-visible {
  outline: 2px solid var(--chrome-accent);
  outline-offset: 1px;
}

.copy-button.is-copied {
  background: var(--chrome-accent);
  color: #ffffff;
  border-color: var(--chrome-accent);
}