/* ============================================================
   v1.27 page-specific styles
   ESP32-C5/P4 family SVG, REPL side-by-side, STM32 bullets,
   language picker (reuses v1.26's pattern).

   The port-Tier chart styles live in assets/css/release-notes.css
   since the same chart is reused on the /releases/ index page.
   ============================================================ */

/* ===== ESP32-C5 / P4 family ===== */
.esp-config-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 20px;
}
.esp-config-toggle button {
  flex: 1;
  min-width: 120px;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.esp-config-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.esp-stage {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.esp-svg {
  width: 100%;
  height: 280px;
  display: block;
}

.esp-mcu, .esp-radio-mcu {
  fill: var(--bg-tertiary);
  stroke: var(--accent);
  stroke-width: 2;
  rx: 8;
}
.esp-radio-mcu {
  stroke: var(--accent-green);
}
.esp-mcu-label, .esp-radio-label {
  fill: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  text-anchor: middle;
}
.esp-mcu-sublabel, .esp-radio-sub {
  fill: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12px;
  text-anchor: middle;
}
.esp-mcu-tag {
  fill: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  text-anchor: middle;
}

.esp-bus-line {
  stroke: var(--accent-green);
  stroke-width: 2;
  stroke-dasharray: 4 4;
}
.esp-bus-label {
  fill: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  text-anchor: middle;
}

.esp-antenna-path {
  fill: var(--accent-green);
}
.esp-antenna-line {
  stroke: var(--accent-green);
  stroke-width: 2;
}
.esp-antenna-tip {
  fill: var(--accent-green);
}

.esp-no-radio {
  fill: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  font-style: italic;
  text-anchor: middle;
}

.esp-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.esp-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
}
.esp-info-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 700;
}
.esp-info-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
}

/* ===== STM32 bullets ===== */
.stm32-bullets {
  list-style: none;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.stm32-bullets li {
  padding: 4px 0;
  position: relative;
  padding-left: 20px;
}
.stm32-bullets li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 4px;
  color: var(--accent);
}
.stm32-bullets strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* ===== REPL side-by-side ===== */
.repl-side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 8px;
}
.repl-pane {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.repl-pane-label {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}
.repl-pane-label strong {
  color: var(--accent-green);
}
.repl-pre {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-primary);
}

/* ===== Language Picker (matches v1.26 pattern) ===== */
.example-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.example-picker-row label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
}
.example-picker {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  flex: 1;
  max-width: 360px;
}
.example-picker:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== MCU spec cards (mirrors v1.26 pattern) ===== */
.mcu-spec-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}
.mcu-spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.2s ease;
}
.mcu-spec-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.mcu-spec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.mcu-spec-header h3 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.mcu-spec-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
  text-align: center;
}
.mcu-spec-strip > div {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.mcu-spec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 2px;
}
.mcu-spec-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}
.mcu-spec-boards {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .repl-side-by-side { grid-template-columns: 1fr; }
  .esp-info { grid-template-columns: 1fr; }
  .tier-grid { grid-template-columns: 1fr 1fr; }
  .esp-config-toggle { flex-direction: column; }
  .esp-config-toggle button { min-width: 0; }
}