.content-screen {
  display: none;
  flex-direction: column;
  place-items: unset;
  padding: 0 !important;
  overflow: hidden;
}

.content-screen.cs-active {
  display: flex;
  animation: cs-fadein 0.2s ease;
}

@keyframes cs-fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.content-screen-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
}

.content-screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 12px;
  height: var(--screen-header-h, 65px);
  border-bottom: 1px solid var(--border, #e2e8f0);
  flex-shrink: 0;
  user-select: none;
  box-sizing: border-box;
}

.content-screen-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 16px 24px;
  background: #ffffff;
  scrollbar-width: thin;
  scrollbar-color: var(--border, #cbd5e1) transparent;
}

/* ── Panel-scoped card layout ─────────────────────────────
   Override the global card/math-block centering styles so
   content fits the narrow panel rather than a landing page. */
.content-screen-body .content-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted, #94a3b8);
  margin: 0 0 10px;
  padding: 0;
}

.content-screen-body .card,
.content-screen-body .math-block {
  max-width: none;
  width: 100%;
  margin: 0 0 10px;
  padding: 14px 16px;
  border-radius: 12px;
  box-sizing: border-box;
  background: #ffffff;
  box-shadow: none;
  border: none;
}

.content-screen-body .card:last-child,
.content-screen-body .math-block:last-child { margin-bottom: 0; }

.content-screen-body .card h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text, #102040);
}

/* ── Code block copy wrapper ─────────────────────────────── */
.cs-code-wrap {
  position: relative;
}

.cs-copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  opacity: 0;
  transition: opacity 0.15s;
}

.cs-code-wrap:hover .cs-copy-btn { opacity: 1; }

/* ── Example pair (code + result grouped together) ─────── */
.example-pair {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border, #e2e8f0);
  margin-bottom: 16px;
}

.example-pair:last-child { margin-bottom: 0; }

.example-pair .code-block {
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--border, #e2e8f0);
  margin: 0;
}

.example-pair .expression {
  background: var(--bg, #f8fafc);
  border-radius: 0;
  border: none;
  padding: 16px;
  margin: 0;
  text-align: center;
}

/* ── Text output preview (resultType: "text") ───────────── */
.example-pair .output-preview {
  background: var(--bg, #f3f5f8);
  border: none;
  border-top: 1px solid var(--border, #e2e8f0);
  border-radius: 0;
  padding: 10px 14px;
  margin: 0;
  font-family: var(--code-font, "JetBrains Mono", "Courier New", monospace);
  font-size: 0.76rem;
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
  color: var(--text-muted, #64748b);
}

/* ── Plot output (resultType: "plot") ────────────────────── */
.example-pair .output-plot {
  background: var(--bg, #f8fafc);
  border-top: 1px solid var(--border, #e2e8f0);
  padding: 9px 12px;
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted, #64748b);
  display: flex;
  align-items: center;
  gap: 8px;
}

.example-pair .output-plot::before {
  content: '◈';
  font-size: 0.85rem;
  font-family: var(--code-font, "JetBrains Mono", monospace);
  color: #6366f1;
  flex-shrink: 0;
  text-shadow: 0 0 8px rgba(99,102,241,0.45);
}

.output-plot-label {
  flex: 1;
  min-width: 0;
}

.output-plot-run {
  flex-shrink: 0;
  background: none;
  border: none;
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 0.68rem;
  font-family: var(--code-font, "JetBrains Mono", monospace);
  letter-spacing: 0.04em;
  cursor: pointer;
  color: #6366f1;
  line-height: 1.6;
  transition: background 0.15s, box-shadow 0.15s, color 0.15s;
}
.output-plot-run::before { content: '['; opacity: 0.55; margin-right: 3px; transition: opacity 0.15s; }
.output-plot-run::after  { content: ']'; opacity: 0.55; margin-left: 3px;  transition: opacity 0.15s; }
.output-plot-run:hover {
  color: #4f46e5;
  background: rgba(99,102,241,0.08);
  box-shadow: 0 0 14px rgba(99,102,241,0.32);
}
.output-plot-run:hover::before,
.output-plot-run:hover::after { opacity: 1; }
.output-plot-run:disabled { opacity: 0.4; cursor: default; background: none; box-shadow: none; }

/* Rendered state — image fills the box */
.example-pair .output-plot--rendered {
  padding: 0;
  display: block;
  background: #fff;
  border-top: 1px solid var(--border, #e2e8f0);
}
.example-pair .output-plot--rendered::before { display: none; }
.output-plot-img {
  width: 100%;
  display: block;
  border-radius: 0;
}

/* Math expressions scroll horizontally instead of clipping */
.expression {
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.content-screen-body::-webkit-scrollbar       { width: 4px; }
.content-screen-body::-webkit-scrollbar-thumb {
  background: var(--border, #cbd5e1);
  border-radius: 4px;
}

/* Theme overrides live in theme_controller.css */