/* Small optional help on incumbent screens; every selector is namespaced. */
.sc-od-help,
.sc-od-demo {
  color: var(--sc-ink, #171a1f);
  font: 400 .88rem/1.55 var(--sc-font-body, "Inter", sans-serif);
  -webkit-text-size-adjust: 100%;
}
.sc-od-help *, .sc-od-demo * { box-sizing: border-box; }
.sc-od-help [hidden], .sc-od-demo [hidden] { display: none !important; }
.sc-od-help h2, .sc-od-demo h2, .sc-od-demo h3, .sc-od-demo h4 {
  margin: 0;
  color: inherit;
  font-family: var(--sc-font-display, "Bricolage Grotesque", sans-serif);
  font-weight: 650;
  line-height: 1.22;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.sc-od-help p, .sc-od-demo p { margin: 0; line-height: 1.55; }
.sc-od-help button, .sc-od-demo button {
  min-height: 44px;
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: 1.4;
  letter-spacing: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.sc-od-help button:focus-visible, .sc-od-demo button:focus-visible,
.sc-od-demo summary:focus-visible { outline: 2px solid var(--sc-accent, #2e5bff); outline-offset: 4px; }
.sc-od-demo [tabindex="-1"]:focus { outline: none; }
.sc-od-help button:disabled, .sc-od-demo button:disabled { cursor: default; }
.sc-od-help {
  margin: 14px 0 20px;
  padding: 0 16px;
  border-radius: var(--sc-r-card, 22px);
  background: var(--sc-accent-soft, #ebf0ff);
}
.sc-od-help-head { display: flex; align-items: center; gap: 8px; min-height: 48px; }
.sc-od-help .sc-od-help-toggle {
  flex: 1;
  padding: 9px 0;
  border: 0;
  background: none;
  color: var(--sc-accent-deep, #1f44cc);
  text-align: left;
  font-size: .78rem;
  font-weight: 650;
}
.sc-od-help-toggle span { padding: 0 4px; }
.sc-od-close {
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--sc-ink-soft, #4b5563);
  font-size: 1.4rem !important;
}
.sc-od-close:hover { background: var(--sc-paper, #f6f4ef); color: var(--sc-ink, #171a1f); }
.sc-od-help-body { padding: 0 0 15px; }
.sc-od-help .sc-od-help-body h2 { font-size: 1.06rem; }
.sc-od-help-body > p { margin-top: 7px; color: var(--sc-ink-soft, #4b5563); font-size: .84rem; max-width: 70ch; }
.sc-od-help .sc-od-text, .sc-od-demo .sc-od-text {
  width: auto;
  padding: 10px 0;
  border: 0;
  background: transparent;
  color: var(--sc-accent-deep, #1f44cc);
  font-size: .83rem;
  font-weight: 650;
  text-align: left;
}
.sc-od-text:hover { text-decoration: underline; text-underline-offset: 3px; }
.sc-od-help-message { padding-top: 9px; font-size: .82rem; }
.sc-od-highlight { outline: 3px solid var(--sc-accent, #2e5bff) !important; outline-offset: 5px !important; }
.sc-od-status-options { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.sc-od-status-options button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border: 1px solid var(--sc-line, #e8e5dd);
  border-radius: var(--sc-r-pill, 999px);
  background: var(--sc-surface, #fff);
  color: var(--sc-ink, #171a1f);
  font-size: .75rem;
}
.sc-od-status-options button[aria-pressed="true"] { border-color: var(--sc-accent, #2e5bff); }
.sc-od-dot {
  display: inline-block;
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  background: var(--sc-muted, #8a8f98);
  transition: background-color .2s ease-out, border-color .2s ease-out;
}
.sc-od-dot[data-status="red"] { background: var(--sc-red, #de5b4e); }
.sc-od-dot[data-status="amber"] { background: var(--sc-amber, #de9a26); }
.sc-od-dot[data-status="green"] { background: var(--sc-green, #279a64); }
.sc-od-dot[data-status="fade"] { background: transparent; border: 2px solid var(--sc-green, #279a64); opacity: .8; }

/* The teaching dialog is an explicitly chosen, separate example. */
.sc-od-demo {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  width: min(900px, calc(100vw - 32px));
  max-width: none;
  max-height: min(880px, calc(100dvh - 32px));
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--sc-r-card, 22px);
  background: var(--sc-paper, #f6f4ef);
  box-shadow: 0 16px 56px -16px rgba(0, 0, 0, .35);
  overscroll-behavior: contain;
}
.sc-od-demo:not([open]) { display: none; }
.sc-od-demo::backdrop { background: rgba(17, 23, 38, .6); }
.sc-od-demo-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 0 24px;
}
.sc-od-example-label {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: var(--sc-r-pill, 999px);
  background: var(--sc-accent-soft, #ebf0ff);
  color: var(--sc-accent-deep, #1f44cc);
  font-size: .75rem;
  font-weight: 650;
}
.sc-od-demo-scroll { min-height: 0; padding: 12px 24px 28px; overflow-y: auto; overscroll-behavior: contain; }
.sc-od-demo h2 { font-size: clamp(1.55rem, 2.8vw, 2rem); }
.sc-od-demo #sc-od-demo-description { margin-top: 10px; max-width: 70ch; color: var(--sc-ink-soft, #4b5563); }
.sc-od-demo .sc-od-demo-safety { margin-top: 7px; font-size: .76rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-demo-content { margin-top: 24px; }
.sc-od-demo-home { max-width: 530px; margin: 0 auto; }
.sc-od-energy { padding: 18px; background: var(--sc-surface, #fff); border-radius: var(--sc-r-card, 22px); box-shadow: var(--sc-shadow-card); }
.sc-od-energy h3 { font-size: 1.12rem; }
.sc-od-energy p { margin-top: 7px; font-size: .83rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-energy-options { display: flex; gap: 8px; margin-top: 14px; }
.sc-od-energy-options button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 11px 6px;
  border: 1.5px solid var(--sc-line, #e8e5dd);
  border-radius: 16px;
  background: transparent;
  color: var(--sc-ink-soft, #4b5563);
  font-size: .8rem;
  font-weight: 600;
}
.sc-od-energy-options button[aria-pressed="true"] { border-color: var(--sc-accent, #2e5bff); background: var(--sc-accent-soft, #ebf0ff); color: var(--sc-accent-deep, #1f44cc); }
.sc-od-bolt { display: flex; gap: 2.5px; align-items: flex-end; height: 16px; }
.sc-od-bolt i { display: block; width: 5px; height: 6px; border-radius: 2px; background: var(--sc-line, #e8e5dd); }
.sc-od-bolt i:nth-child(2) { height: 11px; }
.sc-od-bolt i:nth-child(3) { height: 16px; }
.sc-od-bolt[data-level="1"] i:first-child { background: var(--sc-amber, #de9a26); }
.sc-od-bolt[data-level="2"] i:nth-child(-n+2), .sc-od-bolt[data-level="3"] i { background: var(--sc-green, #279a64); }
.sc-od-session { margin-top: 14px; padding: 20px 18px 18px; border-radius: var(--sc-r-card, 22px); background: var(--sc-inverse, #171a1f); color: #f6f4ef; box-shadow: 0 2px 4px rgba(23,26,31,.2), 0 18px 44px -14px rgba(23,26,31,.4); }
.sc-od-session-kicker { color: #afc0ff; font-size: .73rem; font-weight: 650; }
.sc-od-session h3 { margin-top: 6px; font-size: 1.45rem; }
.sc-od-session-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.sc-od-session-meta span { padding: 5px 10px; border-radius: var(--sc-r-pill, 999px); background: rgba(255,255,255,.09); color: #e4e9f3; font-size: .74rem; }
.sc-od-session-topics { margin-top: 16px; }
.sc-od-session-topic { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.1); }
.sc-od-session-topic > div { flex: 1; min-width: 0; }
.sc-od-session-topic strong { display: block; color: #f6f4ef; font-size: .87rem; font-weight: 600; }
.sc-od-session-topic small { display: block; margin-top: 2px; color: #bdc5d2; font-size: .73rem; }
.sc-od-session-topic > span { flex: 0 1 145px; color: #bdcaff; font-size: .7rem; text-align: right; }
.sc-od-demo .sc-od-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 48px;
  padding: 13px 18px;
  border: 0;
  border-radius: 18px;
  background: #2e5bff;
  color: #fff;
  font-family: var(--sc-font-display, "Bricolage Grotesque", sans-serif);
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--sc-shadow-pop);
  transition: background-color .15s ease-out, transform .15s ease-out;
}
.sc-od-session .sc-od-primary { margin-top: 14px; }
.sc-od-primary:hover:not(:disabled) { background: #1f44cc; }
.sc-od-primary:active:not(:disabled) { transform: scale(.985); }
.sc-od-demo .sc-od-primary:disabled { background: var(--sc-line, #e8e5dd); color: var(--sc-ink-soft, #4b5563); box-shadow: none; }
.sc-od-demo .sc-od-demo-note { margin: 18px 2px 0; color: var(--sc-ink-soft, #4b5563); font-size: .8rem; }
.sc-od-back { margin-bottom: 9px !important; }
.sc-od-exercise-layout { display: grid; grid-template-columns: minmax(215px, .75fr) minmax(0, 1.4fr); align-items: start; gap: 24px; }
.sc-od-board { position: sticky; top: 0; padding: 16px; border-radius: var(--sc-r-card, 22px); background: var(--sc-surface, #fff); box-shadow: var(--sc-shadow-card); }
.sc-od-board-header { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; justify-content: space-between; }
.sc-od-board-header h3 { font-size: .92rem; }
.sc-od-board-header > span { font-size: .7rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-board-topic { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; margin-top: 13px; padding: 0 0 12px; border-bottom: 1px solid var(--sc-line, #e8e5dd); }
.sc-od-board-topic strong { font-size: .84rem; }
.sc-od-board-topic.is-current > strong { color: var(--sc-accent-deep, #1f44cc); }
.sc-od-status { display: inline-flex; align-items: center; gap: 7px; color: var(--sc-ink-soft, #4b5563); font-size: .75rem; white-space: nowrap; }
.sc-od-history { margin-top: 12px; color: var(--sc-ink-soft, #4b5563); font-size: .75rem; }
.sc-od-history summary { padding: 5px 0; cursor: pointer; min-height: 32px; }
.sc-od-history p { margin-top: 8px; }
.sc-od-question-meta { margin-bottom: 8px !important; font-size: .76rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-question h3, .sc-od-summary h3 { font-size: 1.25rem; line-height: 1.35; }
.sc-od-answers { display: grid; gap: 10px; margin-top: 20px; }
.sc-od-demo .sc-od-answer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 14px 13px;
  border: 1.5px solid var(--sc-line, #e8e5dd);
  border-radius: var(--sc-r-control, 14px);
  background: var(--sc-surface, #fff);
  color: var(--sc-ink, #171a1f);
  text-align: left;
  font-size: .83rem;
}
.sc-od-answer strong { flex: 1; font-weight: 550; }
.sc-od-answer > span:first-child { color: var(--sc-ink-soft, #4b5563); font-weight: 650; }
.sc-od-demo .sc-od-answer[aria-pressed="true"] { border-color: var(--sc-accent, #2e5bff); background: var(--sc-accent-soft, #ebf0ff); }
.sc-od-demo .sc-od-answer.is-correct { border-color: var(--sc-green, #279a64); background: var(--sc-green-soft, #e4f4ec); }
.sc-od-demo .sc-od-answer.is-incorrect { border-color: var(--sc-red, #de5b4e); background: var(--sc-red-soft, #fceae8); }
.sc-od-demo .sc-od-answer:disabled { opacity: 1; }
.sc-od-feedback { margin-top: 18px; padding: 16px; border-radius: 14px; background: var(--sc-surface, #fff); }
.sc-od-feedback > strong { display: block; font-size: .9rem; }
.sc-od-feedback p { margin-top: 8px; font-size: .83rem; }
.sc-od-feedback .sc-od-status-change { display: flex; align-items: flex-start; gap: 9px; margin-top: 12px; color: var(--sc-ink-soft, #4b5563); font-size: .78rem; }
.sc-od-status-change .sc-od-dot { margin-top: 5px; }
.sc-od-demo-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 20px; }
.sc-od-summary > p { margin-top: 9px; color: var(--sc-ink-soft, #4b5563); }
.sc-od-recap { margin-top: 20px; }
.sc-od-recap > p { margin-bottom: 6px; font-size: .76rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-recap > div { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 10px 0; border-top: 1px solid var(--sc-line, #e8e5dd); font-size: .8rem; }
.sc-od-recap > div > span { display: inline-flex; align-items: center; gap: 6px; }
.sc-od-time { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--sc-line, #e8e5dd); }
.sc-od-demo h4 { font-size: 1rem; }
.sc-od-time-options { display: flex; gap: 6px; margin-top: 12px; }
.sc-od-time-options button { flex: 1; padding: 10px; border: 1px solid var(--sc-line, #e8e5dd); border-radius: 12px; background: var(--sc-surface, #fff); color: var(--sc-ink-soft, #4b5563); font-size: .8rem; }
.sc-od-time-options button[aria-pressed="true"] { background: var(--sc-accent-soft, #ebf0ff); color: var(--sc-accent-deep, #1f44cc); border-color: var(--sc-accent, #2e5bff); }
.sc-od-reference { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.sc-od-reference strong { font-size: .85rem; }
.sc-od-reference p { font-size: .74rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-time > p { margin-top: 12px; font-size: .83rem; color: var(--sc-ink-soft, #4b5563); }
.sc-od-next-session { margin-top: 22px; }
.sc-od-next-session p { margin-top: 8px; color: var(--sc-ink-soft, #4b5563); font-size: .83rem; }
.sc-od-sr { position: absolute; width: 1px; height: 1px; margin: -1px !important; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 650px) {
  .sc-od-demo { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); }
  .sc-od-demo-header { padding: 7px 8px 0 16px; }
  .sc-od-demo-scroll { padding: 10px 16px 22px; }
  .sc-od-exercise-layout { display: flex; flex-direction: column; gap: 20px; }
  .sc-od-board { z-index: 1; width: 100%; padding: 12px; top: -10px; }
  .sc-od-board-topic { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 8px; padding-bottom: 8px; }
  .sc-od-board-topic strong { font-size: .78rem; }
  .sc-od-board .sc-od-status { font-size: .72rem; }
  .sc-od-history { margin-top: 5px; }
  .sc-od-question, .sc-od-summary { width: 100%; }
  .sc-od-session-topic > span { flex-basis: 104px; font-size: .67rem; }
  .sc-od-session-topic strong { font-size: .8rem; }
  .sc-od-session-topic small { font-size: .69rem; }
}
@media (max-width: 370px) {
  .sc-od-demo-scroll { padding-right: 12px; padding-left: 12px; }
  .sc-od-energy, .sc-od-session { padding: 16px 12px; }
  .sc-od-energy-options { gap: 5px; }
  .sc-od-energy-options button { font-size: .72rem; }
  .sc-od-session-topic { flex-wrap: wrap; }
  .sc-od-session-topic > span { flex-basis: 100%; padding-left: 20px; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .sc-od-help *, .sc-od-demo * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}