/* Structural formatting for translated official handout content. */
.source-outline .problem-row[open] {
  padding-bottom: 18px;
}

.source-outline .problem-row,
.source-outline .problem-body,
.source-outline .problem-subsection,
.handout-block {
  box-sizing: border-box;
  min-width: 0;
  max-width: 100%;
}

.source-outline .problem-row[open] > summary {
  border-color: rgba(99, 230, 140, 0.3);
  background: color-mix(in srgb, var(--accent-soft) 62%, var(--paper-raised));
}

.source-outline .problem-body {
  margin-top: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--paper-raised) 94%, var(--accent-soft));
  box-shadow: 0 8px 28px rgba(47, 52, 43, 0.07);
}

.source-outline .problem-badges {
  margin-bottom: 14px;
}

.handout-reading-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.handout-reading-strip span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper-raised);
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.45;
}

.handout-reading-strip b {
  margin-right: 5px;
  color: var(--accent);
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.source-outline .problem-subsection {
  margin-top: 0;
}

.source-outline .problem-subsection > h4 {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.handout-block {
  margin-top: 10px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-raised);
}

.handout-block[data-kind="context"] {
  border-left: 4px solid var(--muted);
  background: var(--paper-raised);
}

.handout-block[data-kind="subtask"] {
  border-left: 4px solid var(--accent);
}

.handout-block[data-kind="constraint"],
.handout-block[data-kind="delivery"] {
  border-left: 4px solid var(--warn);
  background: var(--warn-soft);
}

.handout-block-label {
  padding: 11px 14px;
  border-style: dashed;
  background: var(--paper-raised);
}

.handout-block-label > h2,
.handout-block-label > h3,
.handout-block-label > h5,
.handout-block-label > h6 {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.handout-block > h2,
.handout-block > h3,
.handout-block > h5,
.handout-block > h6 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: 1.02rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.handout-block > h3.handout-generated-heading {
  font-size: 0.92rem;
}

.handout-block > :last-child {
  margin-bottom: 0;
}

.handout-block p,
.handout-block li,
.problem-disclosure-body p,
.problem-disclosure-body li {
  font-size: 0.88rem;
  line-height: 1.78;
}

.handout-block p {
  margin: 10px 0;
}

.handout-block ul,
.handout-block ol {
  margin: 10px 0;
  padding-left: 1.35rem;
}

.handout-block li + li {
  margin-top: 6px;
}

.handout-callout {
  position: relative;
  margin: 14px 0 !important;
  padding: 12px 14px 12px 42px;
  border-radius: 9px;
  background: var(--paper-raised);
}

.handout-callout::before {
  position: absolute;
  top: 12px;
  left: 14px;
  font-size: 0.82rem;
  font-weight: 900;
}

.handout-deliverable {
  border: 1px solid rgba(99, 230, 140, 0.25);
  background: var(--accent-soft);
}

.handout-deliverable::before { content: "✓"; color: var(--accent); }
.handout-resource::before { content: "◷"; color: var(--warn); }
.handout-check::before { content: "◎"; color: var(--accent); }
.handout-note::before { content: "!"; color: var(--warn); }

.handout-resource,
.handout-note {
  border: 1px solid rgba(240, 180, 41, 0.25);
  background: var(--warn-soft);
}

.handout-check {
  border: 1px solid rgba(99, 230, 140, 0.25);
}

.handout-table-scroll {
  width: 100%;
  margin: 14px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper-raised);
}

.handout-table-scroll table {
  min-width: 660px;
  margin: 0;
}

.source-outline .problem-disclosure {
  margin-top: 16px;
  border-color: rgba(99, 230, 140, 0.25);
  background: var(--paper-raised);
}

.source-outline .problem-disclosure > summary {
  padding: 14px 16px;
  color: var(--accent-dark);
  font-size: 0.78rem;
}

.source-outline .problem-disclosure-body {
  padding: 4px 18px 18px;
  background: var(--paper-raised);
}

.source-outline .problem-method {
  margin-top: 16px;
  padding: 15px 17px;
  border: 1px solid rgba(99, 230, 140, 0.25);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  background: var(--accent-soft);
}

.source-outline .problem-source-note {
  margin-top: 14px;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: var(--paper-raised);
  color: var(--muted) !important;
}

@media (max-width: 720px) {
  .source-outline .problem-body {
    padding: 14px;
  }

  .handout-reading-strip {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .handout-reading-strip span {
    padding: 7px 9px;
  }

  .handout-block {
    padding: 15px;
  }

  .handout-block p,
  .handout-block li,
  .problem-disclosure-body p,
  .problem-disclosure-body li {
    font-size: 0.84rem;
  }
}

@media print {
  .handout-reading-strip { display: none; }
  .source-outline .problem-body,
  .handout-block { box-shadow: none; }
}