/* Week 12: task-first text analysis lessons for first-time coders. */

html.week-12-page {
  scroll-behavior: auto;
}

body.week-12.teaching-document .skip-link {
  transition: none;
}

body.week-12.teaching-document .article h2[id],
body.week-12.teaching-document .article h3[id] {
  scroll-margin-top: 86px;
}

body.week-12.teaching-document .article h2 {
  display: block;
  counter-increment: none;
}

body.week-12.teaching-document .article h2::before {
  content: none;
  display: none;
}

body.week-12.teaching-document summary:active {
  transform: none;
}

/* Frequent concept checks read as disclosures instead of stacked cards. */
body.week-12.teaching-document details.callout-question {
  margin: 18px 0 28px;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

body.week-12.teaching-document details.callout-question > summary {
  margin: 0;
  padding: 15px 44px 15px 0;
  color: var(--ink-strong);
}

body.week-12.teaching-document details.callout-question > .details-motion-content {
  padding: 0 36px 16px 0;
}

body.week-12.teaching-document details.callout-question > .details-motion-content p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

/* Desktop keeps the table of contents visible. Mobile collapses it. */
body.week-12.teaching-document .lesson-toc > summary {
  display: none;
}

body.week-12.teaching-document .toc-links {
  display: grid;
  gap: 2px;
}

body.week-12.teaching-document .toc a[aria-current="location"] {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 720;
  box-shadow: inset 3px 0 0 var(--accent);
}

body.week-12.teaching-document .toc-current {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0;
  text-transform: none;
}

/* The first useful action comes before supporting explanation. */
body.week-12.teaching-document .quick-start {
  margin: 0 0 30px;
  padding: 22px;
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--accent);
  border-radius: 6px;
  background: var(--surface);
}

body.week-12.teaching-document .quick-start-kicker {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}

body.week-12.teaching-document .quick-start h2 {
  margin: 7px 0 9px;
  padding: 0;
  border: 0;
  font-size: 22px;
}

body.week-12.teaching-document .quick-start p {
  max-width: 68ch;
  color: var(--muted);
}

body.week-12.teaching-document .quick-start-actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

body.week-12.teaching-document .quick-start-actions a {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  color: var(--ink-strong);
  font-size: 12.5px;
  font-weight: 720;
  line-height: 1;
  white-space: nowrap;
  transition:
    transform 120ms var(--ease-out),
    border-color 160ms ease;
}

body.week-12.teaching-document .quick-start-actions a:first-child {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: var(--paper);
}

body.week-12.teaching-document .quick-start-actions a:active {
  transform: scale(0.98);
}

body.week-12.teaching-document .quick-start-support {
  margin: 15px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

body.week-12.teaching-document .quick-start-support a {
  color: var(--accent-strong);
  font-weight: 680;
}

body.week-12.teaching-document .goal-contract {
  border-bottom: 1px solid var(--line-strong);
  border-radius: 6px;
}

body.week-12.teaching-document .goal-contract + .quick-start {
  margin-top: 18px;
}

body.week-12.teaching-document .mission-route {
  border-radius: 6px;
}

/* One real result anchors the long code walkthrough. */
body.week-12.teaching-document .outcome-preview {
  margin: 22px 0 34px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  overflow: hidden;
  background: var(--paper);
}

body.week-12.teaching-document .outcome-preview > a {
  min-height: 520px;
  padding: 24px;
  display: grid;
  place-items: center;
  background: var(--surface);
}

body.week-12.teaching-document .outcome-preview img {
  width: 100%;
  max-height: 620px;
  border: 0;
  border-radius: 4px;
  display: block;
  object-fit: contain;
}

body.week-12.teaching-document .outcome-preview figcaption {
  margin: 0;
  padding: 28px;
  display: grid;
  align-content: center;
  gap: 10px;
  text-align: left;
}

body.week-12.teaching-document .outcome-preview figcaption strong {
  color: var(--ink-strong);
  font-size: 20px;
  line-height: 1.45;
}

body.week-12.teaching-document .outcome-preview figcaption span {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

/* Four meaningful phases replace one undifferentiated code wall. */
body.week-12.teaching-document .phase-map {
  margin: 22px 0 34px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

body.week-12.teaching-document .phase-map li {
  min-width: 0;
  margin: 0;
  padding: 17px 16px;
  border-left: 1px solid var(--line);
}

body.week-12.teaching-document .phase-map li:first-child {
  border-left: 0;
}

body.week-12.teaching-document .phase-map a {
  display: grid;
  gap: 6px;
  color: var(--ink);
}

body.week-12.teaching-document .phase-map a:hover {
  text-decoration: none;
}

body.week-12.teaching-document .phase-map strong {
  color: var(--accent-strong);
  font-size: 13px;
}

body.week-12.teaching-document .phase-map span {
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.55;
}

body.week-12.teaching-document .lesson-phase {
  margin-inline: -12px 0;
  padding-left: 24px;
  border-left: 2px solid var(--line);
}

body.week-12.teaching-document .lesson-phase + .lesson-phase {
  margin-top: 58px;
}

/* Dense reference lists stay available without dominating the first scan. */
body.week-12.teaching-document .criteria-disclosure,
body.week-12.teaching-document .time-disclosure,
body.week-12.teaching-document .learning-goals-disclosure {
  margin: 16px 0 30px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

body.week-12.teaching-document .criteria-disclosure > summary,
body.week-12.teaching-document .time-disclosure > summary,
body.week-12.teaching-document .learning-goals-disclosure > summary {
  min-height: 56px;
  padding: 15px 44px 15px 0;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 720;
  line-height: 1.55;
}

body.week-12.teaching-document .criteria-disclosure > .details-motion-content,
body.week-12.teaching-document .time-disclosure > .details-motion-content,
body.week-12.teaching-document .learning-goals-disclosure > .details-motion-content {
  padding-bottom: 4px;
}

body.week-12.teaching-document .criteria-disclosure .completion-criteria,
body.week-12.teaching-document .time-disclosure .table-wrap {
  margin-top: 0;
}

body.week-12.teaching-document .learning-goals-disclosure {
  margin-top: 0;
}

body.week-12.teaching-document .learning-goals-disclosure ul {
  margin-bottom: 14px;
}

body.week-12.teaching-document .check-output {
  padding: 22px;
}

body.week-12.teaching-document .pass-check-list {
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  list-style: none;
}

body.week-12.teaching-document .pass-check-list li {
  margin: 0;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.55;
}

body.week-12.teaching-document .pass-check-list li::before {
  content: "통과";
  color: var(--success-ink);
  font-size: 10px;
  font-weight: 750;
}

body.week-12.teaching-document .pass-complete {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--success-ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 750;
}

@media (hover: hover) and (pointer: fine) {
  body.week-12.teaching-document .quick-start-actions a:not(:active):hover {
    border-color: var(--accent-ink);
    text-decoration: none;
  }

  body.week-12.teaching-document .phase-map a:hover strong {
    color: var(--accent-ink);
  }
}

@media (max-width: 980px) {
  body.week-12.teaching-document .lesson-toc {
    max-height: none;
    padding: 0;
    overflow: visible;
  }

  body.week-12.teaching-document .lesson-toc > summary {
    min-height: 48px;
    margin: 0;
    padding: 13px 44px 13px 16px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    color: var(--accent-ink);
  }

  body.week-12.teaching-document .lesson-toc > .toc-links {
    max-height: min(54vh, 320px);
    padding: 3px 8px 9px;
    overflow: auto;
  }

  body.week-12.teaching-document .outcome-preview {
    grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  }
}

@media (max-width: 760px) {
  body.week-12.teaching-document details.callout-question > .details-motion-content {
    padding-right: 0;
  }

  body.week-12.teaching-document .quick-start-actions,
  body.week-12.teaching-document .outcome-preview,
  body.week-12.teaching-document .phase-map,
  body.week-12.teaching-document .pass-check-list {
    grid-template-columns: 1fr;
  }

  body.week-12.teaching-document .quick-start-actions {
    display: grid;
  }

  body.week-12.teaching-document .quick-start-actions a {
    width: 100%;
  }

  body.week-12.teaching-document .outcome-preview > a {
    min-height: 0;
    padding: 18px;
  }

  body.week-12.teaching-document .outcome-preview img {
    max-height: 560px;
  }

  body.week-12.teaching-document .outcome-preview figcaption {
    padding: 22px;
  }

  body.week-12.teaching-document .phase-map li,
  body.week-12.teaching-document .phase-map li:first-child {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  body.week-12.teaching-document .phase-map li:first-child {
    border-top: 0;
  }

  body.week-12.teaching-document .lesson-phase {
    margin-left: 0;
    padding-left: 16px;
  }

  body.week-12.teaching-document .toc-current {
    max-width: 48%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (hover: none), (pointer: coarse) {
  body.week-12.teaching-document .toc a[aria-current="location"]:not(:active):hover {
    background: var(--accent-soft) !important;
    color: var(--accent-strong) !important;
  }

}

@media (prefers-color-scheme: dark) {
  body.week-12.teaching-document .outcome-preview > a {
    background: var(--surface);
  }

  body.week-12.teaching-document .outcome-preview img,
  body.week-12.teaching-document .lesson-visual img {
    filter: brightness(0.9) contrast(1.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.week-12.teaching-document .quick-start-actions a {
    transition: none;
  }

  body.week-12.teaching-document .quick-start-actions a:active {
    transform: none;
  }
}

@media print {
  body.week-12.teaching-document .quick-start-actions {
    display: none;
  }

  body.week-12.teaching-document details:not([open]) > .details-motion-content,
  body.week-12.teaching-document details[open] > .details-motion-content {
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  body.week-12.teaching-document details > summary::after {
    display: none;
  }

  body.week-12.teaching-document .quick-start,
  body.week-12.teaching-document .outcome-preview,
  body.week-12.teaching-document .check-output {
    break-inside: avoid;
  }
}