/* Agent-specific components. Shared page typography and surfaces live in learning.css. */
.course-agent {
  --blue: #35608b;
  --cyan: #26746d;
  --green: #39754d;
  --yellow: #9a7127;
  --red: #a74f48;
  --purple: #735896;
  --orange: #a86633;
}
.course-agent .lesson-main,
.course-agent .lesson-sidebar,
.course-agent section,
.course-agent .card,
.course-agent .metric { min-width: 0; }
.course-agent .small,
.course-agent .mini { color: var(--muted); font-size: .85rem; }
.course-agent .badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  margin-top: 18px;
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.course-agent .hero-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.course-agent .metric { padding: 16px; border: 1px solid var(--line); border-radius: 8px; }
.course-agent .metric b { display: block; font-size: 1.4rem; color: var(--cyan); }
.course-agent .grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.course-agent .grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.course-agent .grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.course-agent .card h3 { margin-top: 0; }
.course-agent .icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: #eef2e9;
  font-size: 1.25rem;
}
.course-agent .callout { border-left: 3px solid var(--cyan); padding: 16px 18px; margin: 18px 0; background: #edf4ef; }
.course-agent .warn { border-left-color: var(--yellow); background: #faf2df; }
.course-agent .danger { border-left-color: var(--red); background: #f8ece9; }
.course-agent .formula,
.course-agent .flow { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; text-align: center; padding: 18px; margin: 16px 0; }
.course-agent .formula { font-size: 1.1rem; }
.course-agent .code {
  padding: 18px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  white-space: pre;
  line-height: 1.65;
  overflow-wrap: normal;
}
.course-agent .code,
.course-agent .formula,
.course-agent .flow,
.course-agent .diagram { max-width: 100%; overflow-x: auto; }
.course-agent .diagram { padding: 18px; margin: 24px 0; }
.course-agent .diagram svg { width: 100%; min-width: 720px; height: auto; display: block; }
.course-agent .table-scroll { max-width: 100%; overflow-x: auto; margin: 18px 0; }
.course-agent .table-scroll table { min-width: 560px; }
.course-agent table { width: 100%; border-collapse: collapse; }
.course-agent th,
.course-agent td { padding: 14px 15px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.course-agent tr:last-child td { border-bottom: 0; }
.course-agent .tag {
  display: inline-block;
  padding: 4px 8px;
  margin: 2px 4px 2px 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--blue);
  font-size: .75rem;
}
.course-agent .steps { counter-reset: step; display: grid; gap: 12px; }
.course-agent .step { position: relative; padding: 18px 18px 18px 64px; border: 1px solid var(--line); border-radius: 8px; }
.course-agent .step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 17px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e7eee4;
  color: var(--cyan);
  font-weight: 700;
}
.course-agent .quiz { display: grid; gap: 12px; }
.course-agent .quiz button { padding: 12px 14px; text-align: left; cursor: pointer; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
.course-agent .answer { display: none; margin-top: 12px; padding: 14px; background: #edf4ef; border: 1px solid #cedfd1; border-radius: 6px; }
.course-agent .compare-good { color: var(--green); font-weight: 700; }
.course-agent .compare-bad { color: var(--red); font-weight: 700; }
.course-agent .handbook-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.course-agent .handbook-nav a { display: inline-block; }
.course-agent .chapter-end { margin-top: 32px; }
.course-agent .handbook-nav a:focus-visible,
.course-agent .table-scroll:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.handbook-index .grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.handbook-index .card { min-height: 145px; display: grid; grid-template-columns: 50px minmax(0, 1fr) 24px; gap: 14px; align-items: center; text-decoration: none; }
.handbook-index .card h2 { font-size: 1.15rem; margin: 0 0 7px; }
.handbook-index .card p { margin: 0; color: var(--muted); line-height: 1.6; }
.handbook-index .num { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; color: var(--cyan); font-weight: 700; font-size: 1.1rem; }
.handbook-index .arrow { font-size: 1.5rem; color: var(--cyan); }
@media (max-width: 1080px) {
  .course-agent .hero-grid,
  .course-agent .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .course-agent .hero-grid,
  .course-agent .grid2,
  .course-agent .grid3,
  .course-agent .grid4,
  .handbook-index .grid { grid-template-columns: minmax(0, 1fr); }
  .handbook-index .card { grid-template-columns: 40px minmax(0, 1fr) 20px; gap: 10px; }
  .handbook-index .num { width: 38px; height: 38px; }
}
@media print {
  .course-agent .diagram,
  .course-agent .table-scroll,
  .course-agent .code { overflow: visible; }
  .course-agent .diagram svg,
  .course-agent .table-scroll table { min-width: 0; }
  .course-agent .code { white-space: pre-wrap; overflow-wrap: anywhere; }
}