/* Three-surface screenshot widget shared by the landing and the
   tutorials. Each instance is a <figure class="surface-shot"> with a
   tab strip and three panels (one per surface: cli, extension,
   claude). Panels are either a placeholder div or an <img> with the
   matching data-surface attribute. */

figure.surface-shot { margin: 28px 0 32px; }
.surface-tabs {
  display: flex;
  border: 1px solid var(--rule);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: var(--paper-2);
  overflow: hidden;
}
.surface-tabs button {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule);
  padding: 12px 16px;
  cursor: pointer;
  color: var(--ink-3);
  flex: 1;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
}
.surface-tabs button:last-child { border-right: 0; }
.surface-tabs button:hover { color: var(--ink); background: var(--paper); }
.surface-tabs button[aria-selected="true"] {
  color: var(--accent);
  background: var(--paper);
  box-shadow: inset 0 -2px 0 var(--accent);
  font-weight: 600;
}
.surface-tabs button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}
.surface-panels {
  position: relative;
  display: grid;
  border: 1px solid var(--rule);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
}
.surface-panel {
  grid-area: 1 / 1;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}
img.surface-panel {
  width: 100%;
  height: auto;
  display: block;
}
.surface-panel.placeholder {
  aspect-ratio: 16 / 10;
  background: oklch(0.18 0.012 60);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 28px 36px;
  text-align: center;
}
.surface-panel.placeholder .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: oklch(0.78 0.13 38);
}
.surface-panel.placeholder .what {
  font-family: "Source Serif 4", serif;
  font-style: italic;
  font-size: 16px;
  line-height: 1.5;
  color: oklch(0.93 0.012 82);
  max-width: 560px;
  margin: 0;
}
figure.surface-shot[data-active="cli"] .surface-panel[data-surface="cli"],
figure.surface-shot[data-active="extension"] .surface-panel[data-surface="extension"],
figure.surface-shot[data-active="claude"] .surface-panel[data-surface="claude"] {
  opacity: 1;
  pointer-events: auto;
}
figure.surface-shot figcaption {
  font-family: "Source Serif 4", serif;
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}

/* Optional rail switcher (only present on pages that include it).
   Pages without a rail can skip this block. */
.surface-switcher { display: flex; flex-direction: column; gap: 4px; margin: 0 0 4px; }
.surface-switcher .mark { margin-bottom: 6px; }
.surface-switcher button {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--ink-2);
  text-align: left;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.surface-switcher button:hover { color: var(--ink); border-color: var(--rule-2); }
.surface-switcher button[aria-checked="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--paper);
  font-weight: 600;
}