/* CS Judge — student: problems, detail, progress, submit/feedback */

.brand:focus-visible,
.nav-btn:focus-visible,
.problems-filter-btn:focus-visible,
.problem-row:focus-visible,
.group-header:focus-visible,
.history-item:focus-visible,
.detail-jump-link:focus-visible,
.progress-assignment-link:focus-visible,
.group-progress-link:focus-visible,
.link-btn:focus-visible,
.ghost-btn:focus-visible,
.primary:disabled,
.ghost-btn:disabled,
button[type="submit"]:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.grading-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  padding: 0.65rem 1.25rem;
  background: var(--verdict-pending-bg);
  border-bottom: 1px solid var(--verdict-pending-border);
  color: var(--text);
  font-size: 0.92rem;
}

.grading-banner-link {
  border: 1px solid var(--pending);
  background: var(--surface);
  color: var(--pending);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.grading-banner-link:hover {
  background: var(--badge-pending-bg);
}

.course-hub {
  max-width: 920px;
  margin: 0 auto;
}

.course-hub-header {
  margin-bottom: 1.5rem;
}

.course-hub-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.course-hub-header h2 {
  margin: 0 0 0.5rem;
}

.course-hub-lead {
  margin: 0;
  max-width: 42rem;
}

.course-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.course-hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.course-hub-card:hover,
.course-hub-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  outline: none;
}

.course-hub-card-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.course-hub-card-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.course-hub-card-progress {
  margin: 0;
  font-size: 0.95rem;
}

.course-hub-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.course-hub-lang {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent);
}

.course-hub-lang--python {
  background: rgba(55, 118, 171, 0.14);
  color: #2f6ea8;
}

[data-theme="dark"] .course-hub-lang--python {
  color: #8ec8ff;
}

.course-hub-empty {
  margin-top: 1rem;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow);
}

.stat-card strong {
  display: block;
  font-size: 1.6rem;
}

.stat-card span { color: var(--muted); font-size: 0.9rem; }

.stat-card--ok {
  border-color: var(--verdict-pass-border);
  background: var(--verdict-pass-bg);
}

.stat-card--warn {
  border-color: var(--verdict-pending-border);
  background: var(--verdict-pending-bg);
}

.stat-card--down {
  border-color: var(--verdict-fail-border);
  background: var(--verdict-fail-bg);
}

.progress-overall-meta {
  margin: -0.75rem 0 1.25rem;
}

.batch-upload-limits {
  margin: 0.75rem 0 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.batch-upload-limits-list {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

.group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.group-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1.1rem;
  background: var(--surface-muted);
  border: none;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: inherit;
  font-family: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.group-header:hover {
  background: var(--surface-hover);
}

.group-header-title {
  flex: 1;
}

.group-header-meta {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}

.group-header-chevron {
  color: var(--accent);
  font-size: 0.9rem;
}

.group-card--collapsed .group-header {
  border-bottom: none;
}

.problems-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.25rem;
  margin-bottom: 1rem;
  padding: 1rem 1.1rem;
}

.problems-toolbar-search {
  flex: 1 1 220px;
  min-width: 0;
}

.problems-toolbar-search label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.problems-toolbar-search input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
}

.problems-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.problems-filter-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
}

.problems-filter-btn.active {
  background: var(--accent-gradient);
  border-color: var(--accent-mid);
  color: #fff;
}

.problems-empty {
  margin: 0 0 1rem;
  padding: 1rem;
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.problems-clear-btn {
  align-self: center;
  font-size: 0.88rem;
}

.detail-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.85rem 0 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.detail-jump-link {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--accent);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.detail-jump-link:hover {
  background: var(--chip-bg);
}

.group-progress-link {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.group-progress-link:hover {
  border-color: var(--accent-mid);
  background: var(--surface-hover);
}

.problem-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 1.1rem;
  border-top: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.problem-row:hover { background: var(--surface-hover); }

.problem-row--pending {
  background: var(--verdict-pending-bg);
}

.problem-row--pending:hover {
  background: var(--badge-pending-bg);
}

.manual-submit-panel {
  margin-top: 0.5rem;
}

.teams-upload-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--manual-accent);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.teams-logo {
  flex-shrink: 0;
  border-radius: 8px;
}

.teams-upload-copy h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.teams-upload-copy p {
  margin: 0 0 0.55rem;
  color: var(--text);
  line-height: 1.5;
}

.teams-upload-copy p:last-child {
  margin-bottom: 0;
}

.detail-panel--checkin .assignment-desc-block h3 {
  font-size: 1.02rem;
}

.checkin-intro {
  margin: 0 0 1.1rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--manual-accent) 28%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--manual-accent) 10%, var(--surface-muted)) 0%,
    color-mix(in srgb, var(--pass) 6%, var(--surface-muted)) 100%
  );
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 5%, transparent);
}

.checkin-intro-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--manual-accent);
  background: color-mix(in srgb, var(--manual-accent) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--manual-accent) 22%, var(--border));
}

.checkin-intro-steps {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.checkin-intro-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem 0.35rem 0.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
}

.checkin-intro-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  font-size: 0.78rem;
  color: var(--surface);
  background: var(--manual-accent);
}

.checkin-intro-connector {
  width: 1.35rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--manual-accent) 35%, var(--border));
}

.checkin-intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-jump-nav--checkin {
  flex-wrap: wrap;
}

.checkin-submit-panel .checkin-submit-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--text);
  border-radius: var(--radius);
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--text) 4%, var(--surface-muted)) 0%,
    var(--surface-muted) 55%
  );
}

.checkin-submit-copy h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.checkin-submit-copy p {
  margin: 0 0 0.55rem;
  color: var(--text);
  line-height: 1.55;
}

.checkin-submit-copy p:last-child {
  margin-bottom: 0;
}

.workshop-submit-panel .workshop-submit-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid color-mix(in srgb, #0969da 22%, var(--border));
  border-left: 4px solid color-mix(in srgb, #0969da 70%, var(--border));
  border-radius: var(--radius);
  background: linear-gradient(
    120deg,
    color-mix(in srgb, #0969da 5%, var(--surface-muted)) 0%,
    color-mix(in srgb, var(--pass) 4%, var(--surface-muted)) 100%
  );
}

.workshop-submit-copy h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.workshop-submit-copy p {
  margin: 0 0 0.55rem;
  color: var(--text);
  line-height: 1.55;
}

.workshop-submit-copy p:last-child {
  margin-bottom: 0;
}

.assignment-description--checkin {
  gap: 1.15rem;
}

.assignment-description--checkin .assignment-desc-section--hero {
  padding: 1.25rem 1.35rem 1.3rem;
  border: 1px solid color-mix(in srgb, var(--manual-accent) 24%, var(--border));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--manual-accent) 8%, var(--surface-muted)),
    var(--surface-muted)
  );
}

.assignment-description--checkin .assignment-desc-section--hero .assignment-desc-heading {
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.assignment-description--checkin .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.65;
}

.assignment-description--checkin .assignment-desc-section--steps {
  border-color: color-mix(in srgb, var(--pass) 22%, var(--border));
  background: color-mix(in srgb, var(--pass) 5%, var(--surface-muted));
}

.assignment-desc-steps {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: checkin-step;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.assignment-desc-steps li {
  counter-increment: checkin-step;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  line-height: 1.55;
}

.assignment-desc-steps li::before {
  content: counter(checkin-step);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--surface);
  background: var(--pass);
}

.assignment-desc-goals {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.assignment-desc-goals li {
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  line-height: 1.5;
  font-size: 0.92rem;
}

.assignment-desc-examples--goals.assignment-desc-examples-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.assignment-goal-card {
  padding: 0.9rem 1rem 1rem;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid color-mix(in srgb, var(--pass) 55%, var(--border));
  line-height: 1.55;
  font-size: 0.92rem;
}

.assignment-goal-card-head {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 0.4rem;
}

.assignment-goal-card-icon {
  flex: 0 0 auto;
  font-size: 1.35rem;
  line-height: 1.15;
}

.assignment-goal-card-title {
  font-weight: 650;
  font-size: 0.98rem;
  color: var(--text);
  line-height: 1.3;
  padding-top: 0.1rem;
}

.assignment-goal-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.assignment-desc-checklist {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.assignment-desc-checklist li {
  display: grid;
  grid-template-columns: 1.35rem 1fr;
  gap: 0.7rem;
  align-items: start;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  line-height: 1.52;
}

.assignment-desc-check {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.15rem;
  border-radius: 4px;
  border: 2px solid color-mix(in srgb, var(--pass) 55%, var(--border));
  background: color-mix(in srgb, var(--pass) 8%, var(--surface));
  box-shadow: inset 0 0 0 2px var(--surface);
}

.assignment-desc-examples--reflection.assignment-desc-examples-grid,
.assignment-desc-examples--actions.assignment-desc-examples-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.assignment-reflection-card,
.assignment-action-card {
  padding: 0.95rem 1rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
}

.assignment-reflection-card {
  border-top: 3px solid color-mix(in srgb, var(--manual-accent) 70%, var(--border));
}

.assignment-action-card {
  border-top: 3px solid color-mix(in srgb, var(--pass) 70%, var(--border));
}

.assignment-reflection-card-title,
.assignment-action-card-title {
  margin-bottom: 0.45rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.assignment-reflection-card p,
.assignment-action-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--muted);
}

.assignment-desc-section--callout {
  padding: 1rem 1.1rem;
  border-style: dashed;
  border-color: color-mix(in srgb, var(--manual-accent) 35%, var(--border));
  background: color-mix(in srgb, var(--manual-accent) 6%, var(--surface-muted));
}

.assignment-desc-section--callout .assignment-desc-heading {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--manual-accent);
  margin-bottom: 0.4rem;
}

.assignment-desc-section--callout .assignment-desc-note {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.assignment-desc-deliverables {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.assignment-desc-deliverables li {
  position: relative;
  padding: 0.7rem 0.85rem 0.7rem 2.2rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--pass) 25%, var(--border));
  line-height: 1.52;
}

.assignment-desc-deliverables li::before {
  content: "✓";
  position: absolute;
  left: 0.8rem;
  top: 0.72rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pass);
}

.assignment-desc-section--template .assignment-example-title {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.assignment-desc-examples--template .assignment-pattern {
  margin: 0;
  max-height: 22rem;
  overflow: auto;
  font-size: 0.78rem;
  line-height: 1.45;
  border-radius: 8px;
}

@media (max-width: 720px) {
.assignment-desc-goals,
  .assignment-desc-examples--reflection.assignment-desc-examples-grid,
  .assignment-desc-examples--actions.assignment-desc-examples-grid,
  .assignment-desc-examples--seeds.assignment-desc-examples-grid,
  .assignment-desc-examples--peer-review.assignment-desc-examples-grid {
    grid-template-columns: 1fr;
  }
.checkin-intro-connector {
    display: none;
  }
.modernization-intro-connector {
    display: none;
  }
.collections-intro-connector {
    display: none;
  }
.assignment-desc-examples--features.assignment-desc-examples-grid,
  .assignment-desc-examples--language.assignment-desc-examples-grid,
  .assignment-desc-examples--ideas.assignment-desc-examples-grid,
  .assignment-desc-examples--topics.assignment-desc-examples-grid,
  .assignment-desc-examples--goals.assignment-desc-examples-grid {
    grid-template-columns: 1fr;
  }
.workshop-intro-connector,
  .module-intro-connector {
    display: none;
  }
}

.workshop-intro {
  margin: 0 0 1.1rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #0969da 26%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #0969da 9%, var(--surface-muted)) 0%,
    color-mix(in srgb, var(--pass) 7%, var(--surface-muted)) 100%
  );
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 5%, transparent);
}

.workshop-intro-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, #0969da 85%, var(--text));
  background: color-mix(in srgb, #0969da 10%, var(--surface));
  border: 1px solid color-mix(in srgb, #0969da 22%, var(--border));
}

.workshop-intro-steps {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.workshop-intro-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem 0.35rem 0.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
}

.workshop-intro-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  font-size: 0.78rem;
  color: var(--surface);
  background: linear-gradient(135deg, #0969da, var(--pass));
}

.workshop-intro-connector {
  width: 1.35rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, #0969da 35%, var(--border));
}

.workshop-intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-jump-nav--workshop {
  flex-wrap: wrap;
}

.assignment-description--workshop {
  gap: 1.15rem;
}

.assignment-description--workshop .assignment-desc-section--hero {
  padding: 1.25rem 1.35rem 1.3rem;
  border: 1px solid color-mix(in srgb, #0969da 22%, var(--border));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, #0969da 7%, var(--surface-muted)),
    color-mix(in srgb, var(--pass) 5%, var(--surface-muted))
  );
}

.assignment-description--workshop .assignment-desc-section--hero .assignment-desc-heading {
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.assignment-description--workshop .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.65;
}

.assignment-description--workshop .assignment-desc-section--steps {
  border-color: color-mix(in srgb, #0969da 18%, var(--border));
  background: color-mix(in srgb, #0969da 4%, var(--surface-muted));
}

.assignment-description--workshop .assignment-desc-steps li::before {
  background: linear-gradient(135deg, #0969da, var(--pass));
}

.assignment-description--workshop .assignment-desc-goals li,
.assignment-description--workshop .assignment-goal-card {
  border-top-color: color-mix(in srgb, #0969da 45%, var(--pass));
}

.assignment-description--workshop .assignment-desc-section--checklist {
  border-color: color-mix(in srgb, #0969da 16%, var(--border));
  background: color-mix(in srgb, #0969da 3%, var(--surface-muted));
}

.assignment-description--workshop .assignment-desc-check {
  border-color: color-mix(in srgb, #0969da 50%, var(--border));
  background: color-mix(in srgb, #0969da 7%, var(--surface));
}

.assignment-desc-examples--topics.assignment-desc-examples-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assignment-topic-card {
  padding: 1rem 1.05rem 1.05rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
  border-top: 3px solid color-mix(in srgb, #0969da 60%, var(--border));
}

.assignment-topic-card-title {
  margin-bottom: 0.45rem;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
}

.assignment-topic-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.assignment-description--workshop .assignment-desc-section--template .assignment-pattern {
  max-height: 18rem;
}

.assignment-description--workshop .assignment-desc-section--callout {
  border-color: color-mix(in srgb, var(--pass) 32%, var(--border));
  background: color-mix(in srgb, var(--pass) 6%, var(--surface-muted));
}

.assignment-description--workshop .assignment-desc-section--callout .assignment-desc-heading {
  color: color-mix(in srgb, var(--pass) 85%, var(--text));
}

.assignment-description--workshop .assignment-desc-deliverables li {
  border-color: color-mix(in srgb, #0969da 22%, var(--border));
}

.assignment-description--workshop .assignment-desc-deliverables li::before {
  color: #0969da;
}

.modernization-intro {
  margin: 0 0 1.1rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #0d9488 28%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #0d9488 10%, var(--surface-muted)) 0%,
    color-mix(in srgb, #6366f1 7%, var(--surface-muted)) 100%
  );
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 5%, transparent);
}

.modernization-intro-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, #0d9488 85%, var(--text));
  background: color-mix(in srgb, #0d9488 10%, var(--surface));
  border: 1px solid color-mix(in srgb, #0d9488 22%, var(--border));
}

.modernization-intro-steps {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.modernization-intro-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem 0.35rem 0.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
}

.modernization-intro-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  font-size: 0.78rem;
  color: var(--surface);
  background: linear-gradient(135deg, #0d9488, #6366f1);
}

.modernization-intro-connector {
  width: 1.35rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, #6366f1 35%, var(--border));
}

.modernization-intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-jump-nav--modernization {
  flex-wrap: wrap;
}

.assignment-description--modernization {
  gap: 1.15rem;
}

.assignment-description--modernization .assignment-desc-section--hero {
  padding: 1.25rem 1.35rem 1.3rem;
  border: 1px solid color-mix(in srgb, #0d9488 24%, var(--border));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, #0d9488 8%, var(--surface-muted)),
    color-mix(in srgb, #6366f1 5%, var(--surface-muted))
  );
}

.assignment-description--modernization .assignment-desc-section--hero .assignment-desc-heading {
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.assignment-description--modernization .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.65;
}

.assignment-description--modernization .assignment-desc-section--steps {
  border-color: color-mix(in srgb, #6366f1 20%, var(--border));
  background: color-mix(in srgb, #6366f1 4%, var(--surface-muted));
}

.assignment-description--modernization .assignment-desc-steps li::before {
  background: linear-gradient(135deg, #0d9488, #6366f1);
}

.assignment-description--modernization .assignment-desc-section--checklist {
  border-color: color-mix(in srgb, #0d9488 18%, var(--border));
  background: color-mix(in srgb, #0d9488 3%, var(--surface-muted));
}

.assignment-description--modernization .assignment-desc-check {
  border-color: color-mix(in srgb, #0d9488 55%, var(--border));
  background: color-mix(in srgb, #0d9488 8%, var(--surface));
}

.assignment-description--modernization .assignment-desc-goals li {
  border-top: 3px solid color-mix(in srgb, #6366f1 55%, var(--border));
}

.assignment-description--modernization .assignment-desc-section--callout {
  border-color: color-mix(in srgb, #f59e0b 35%, var(--border));
  background: color-mix(in srgb, #f59e0b 6%, var(--surface-muted));
}

.assignment-description--modernization .assignment-desc-section--callout .assignment-desc-heading {
  color: color-mix(in srgb, #d97706 80%, var(--text));
}

.assignment-desc-examples--features.assignment-desc-examples-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.assignment-feature-card {
  padding: 1rem 1.05rem 1.05rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
  border-top: 3px solid color-mix(in srgb, #0d9488 65%, var(--border));
}

.assignment-feature-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.assignment-feature-card-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
}

.assignment-feature-lang {
  flex-shrink: 0;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: color-mix(in srgb, #6366f1 80%, var(--text));
  background: color-mix(in srgb, #6366f1 10%, var(--surface-muted));
  border: 1px solid color-mix(in srgb, #6366f1 20%, var(--border));
}

.assignment-feature-card p {
  margin: 0 0 0.65rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.assignment-feature-card .assignment-pattern {
  margin: 0;
  max-height: 16rem;
  overflow: auto;
  font-size: 0.74rem;
  line-height: 1.45;
  border-radius: 8px;
}

.assignment-desc-section--language {
  border-color: color-mix(in srgb, #6366f1 16%, var(--border));
  background: color-mix(in srgb, #6366f1 3%, var(--surface-muted));
}

.assignment-desc-section--language[data-lang="java"],
.assignment-desc-section[id="modern-java"] {
  border-color: color-mix(in srgb, #ea580c 18%, var(--border));
  background: color-mix(in srgb, #ea580c 4%, var(--surface-muted));
}

.assignment-desc-section--language[data-lang="python"],
.assignment-desc-section[id="modern-python"] {
  border-color: color-mix(in srgb, #2563eb 18%, var(--border));
  background: color-mix(in srgb, #2563eb 4%, var(--surface-muted));
}

.assignment-desc-examples--language.assignment-desc-examples-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0.5rem;
}

.assignment-language-card {
  padding: 0.95rem 1rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
}

.assignment-desc-examples--language-java .assignment-language-card {
  border-top: 3px solid color-mix(in srgb, #ea580c 65%, var(--border));
}

.assignment-desc-examples--language-python .assignment-language-card {
  border-top: 3px solid color-mix(in srgb, #2563eb 65%, var(--border));
}

.assignment-language-card-title {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.assignment-language-card p {
  margin: 0 0 0.55rem;
  font-size: 0.84rem;
  line-height: 1.52;
  color: var(--muted);
}

.assignment-language-card .assignment-pattern {
  margin: 0;
  max-height: 11rem;
  overflow: auto;
  font-size: 0.74rem;
  line-height: 1.45;
  border-radius: 8px;
}

.assignment-description--modernization .assignment-desc-deliverables li {
  border-color: color-mix(in srgb, #0d9488 25%, var(--border));
}

.assignment-description--modernization .assignment-desc-deliverables li::before {
  color: #0d9488;
}

.collections-intro {
  margin: 0 0 1.1rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #d97706 28%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #d97706 10%, var(--surface-muted)) 0%,
    color-mix(in srgb, #7c3aed 7%, var(--surface-muted)) 100%
  );
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 5%, transparent);
}

.collections-intro-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, #d97706 85%, var(--text));
  background: color-mix(in srgb, #d97706 10%, var(--surface));
  border: 1px solid color-mix(in srgb, #d97706 22%, var(--border));
}

.collections-intro-steps {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.collections-intro-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem 0.35rem 0.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
}

.collections-intro-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  font-size: 0.78rem;
  color: var(--surface);
  background: linear-gradient(135deg, #d97706, #7c3aed);
}

.collections-intro-connector {
  width: 1.35rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, #7c3aed 35%, var(--border));
}

.collections-intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-jump-nav--collections {
  flex-wrap: wrap;
}

.assignment-description--collections {
  gap: 1.15rem;
}

.assignment-description--collections .assignment-desc-section--hero {
  padding: 1.25rem 1.35rem 1.3rem;
  border: 1px solid color-mix(in srgb, #d97706 24%, var(--border));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, #d97706 8%, var(--surface-muted)),
    color-mix(in srgb, #7c3aed 5%, var(--surface-muted))
  );
}

.assignment-description--collections .assignment-desc-section--hero .assignment-desc-heading {
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.assignment-description--collections .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.65;
}

.assignment-description--collections .assignment-desc-section--steps {
  border-color: color-mix(in srgb, #7c3aed 20%, var(--border));
  background: color-mix(in srgb, #7c3aed 4%, var(--surface-muted));
}

.assignment-description--collections .assignment-desc-steps li::before {
  background: linear-gradient(135deg, #d97706, #7c3aed);
}

.assignment-description--collections .assignment-desc-goals li {
  border-top: 3px solid color-mix(in srgb, #d97706 55%, var(--border));
}

.assignment-description--collections .assignment-desc-section--requirements {
  border-color: color-mix(in srgb, #7c3aed 18%, var(--border));
  background: color-mix(in srgb, #7c3aed 3%, var(--surface-muted));
}

.assignment-description--collections .assignment-feature-card {
  border-top-color: color-mix(in srgb, #d97706 65%, var(--border));
}

.assignment-description--collections .assignment-feature-lang {
  color: color-mix(in srgb, #7c3aed 80%, var(--text));
  background: color-mix(in srgb, #7c3aed 10%, var(--surface-muted));
  border-color: color-mix(in srgb, #7c3aed 20%, var(--border));
}

.assignment-desc-examples--ideas.assignment-desc-examples-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assignment-idea-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
  overflow: hidden;
  border-top: 3px solid color-mix(in srgb, #7c3aed 65%, var(--border));
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.assignment-idea-card:hover {
  border-color: color-mix(in srgb, #7c3aed 35%, var(--border));
  box-shadow: 0 10px 26px color-mix(in srgb, #7c3aed 10%, transparent);
  transform: translateY(-2px);
}

.assignment-idea-card-visual {
  margin: 0;
  padding: 0.55rem 0.55rem 0;
  background: linear-gradient(180deg, color-mix(in srgb, #7c3aed 4%, var(--surface-muted)), var(--surface));
  border-bottom: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
}

.assignment-idea-card-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  background: #f8fafc;
}

.assignment-idea-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0.85rem 1rem 1rem;
}

.assignment-idea-card-title {
  margin-bottom: 0.45rem;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.assignment-idea-card p {
  margin: 0 0 0.45rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.assignment-idea-card p:last-child {
  margin-bottom: 0;
}

.assignment-desc-examples-grid .assignment-idea-card-body {
  margin-top: auto;
}

.assignment-description--collections .assignment-desc-section--callout {
  border-color: color-mix(in srgb, #d97706 30%, var(--border));
  background: color-mix(in srgb, #d97706 5%, var(--surface-muted));
}

.assignment-description--collections .assignment-desc-section--callout .assignment-desc-heading {
  color: color-mix(in srgb, #d97706 80%, var(--text));
}

.assignment-description--collections #collections-extension {
  border-color: color-mix(in srgb, #7c3aed 28%, var(--border));
  background: color-mix(in srgb, #7c3aed 5%, var(--surface-muted));
}

.assignment-description--collections #collections-extension .assignment-desc-heading {
  color: color-mix(in srgb, #7c3aed 80%, var(--text));
}

.assignment-description--collections .assignment-desc-deliverables li {
  border-color: color-mix(in srgb, #d97706 25%, var(--border));
}

.assignment-description--collections .assignment-desc-deliverables li::before {
  color: #d97706;
}

.capstone-journey {
  margin: 0 0 1.15rem;
  padding: 1.2rem 1.3rem 1.25rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #c45c26 28%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #c45c26 12%, var(--surface-muted)) 0%,
    color-mix(in srgb, #8b5cf6 8%, var(--surface-muted)) 50%,
    color-mix(in srgb, var(--pass) 6%, var(--surface-muted)) 100%
  );
  box-shadow: 0 10px 28px color-mix(in srgb, var(--text) 6%, transparent);
}

.capstone-journey-badge {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, #c45c26 85%, var(--text));
  background: color-mix(in srgb, #c45c26 12%, var(--surface));
  border: 1px solid color-mix(in srgb, #c45c26 25%, var(--border));
}

.capstone-journey-track {
  display: flex;
  align-items: stretch;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

.capstone-journey-step {
  flex: 1 1 7.5rem;
  min-width: 6.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  opacity: 0.72;
  transition: opacity 0.15s ease, box-shadow 0.15s ease;
}

.capstone-journey-step--active {
  opacity: 1;
  border-color: color-mix(in srgb, #c45c26 45%, var(--border));
  box-shadow: 0 4px 14px color-mix(in srgb, #c45c26 18%, transparent);
}

.capstone-journey-step--done {
  opacity: 0.9;
  border-color: color-mix(in srgb, var(--pass) 35%, var(--border));
}

.capstone-journey-step-week {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.capstone-journey-step-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.capstone-journey-step-points {
  font-size: 0.75rem;
  color: var(--muted);
}

.capstone-journey-connector {
  align-self: center;
  width: 0.65rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, #c45c26 30%, var(--border));
  flex: 0 0 auto;
}

.capstone-journey-copy {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.detail-jump-nav--capstone {
  flex-wrap: wrap;
}

.capstone-submit-panel--docs .capstone-submit-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 4px solid color-mix(in srgb, #c45c26 70%, var(--border));
  border-radius: var(--radius);
  background: linear-gradient(
    120deg,
    color-mix(in srgb, #c45c26 5%, var(--surface-muted)),
    var(--surface-muted)
  );
}

.capstone-submit-copy h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.capstone-submit-copy p {
  margin: 0 0 0.55rem;
  line-height: 1.55;
}

.capstone-submit-copy p:last-child {
  margin-bottom: 0;
}

.capstone-code-callout {
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, #c45c26 22%, var(--border));
  background: color-mix(in srgb, #c45c26 6%, var(--surface-muted));
}

.capstone-code-callout-title {
  margin: 0 0 0.4rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.capstone-code-callout p {
  margin: 0 0 0.45rem;
  line-height: 1.55;
}

.capstone-code-callout p:last-child {
  margin-bottom: 0;
}

.assignment-description--capstone {
  gap: 1.15rem;
}

.assignment-description--capstone .assignment-desc-section--hero {
  padding: 1.3rem 1.4rem;
  border: 1px solid color-mix(in srgb, #c45c26 22%, var(--border));
  background: linear-gradient(
    155deg,
    color-mix(in srgb, #c45c26 9%, var(--surface-muted)),
    color-mix(in srgb, #8b5cf6 5%, var(--surface-muted))
  );
}

.assignment-description--capstone .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.66;
}

.assignment-description--capstone .assignment-desc-section--steps {
  border-color: color-mix(in srgb, #8b5cf6 20%, var(--border));
  background: color-mix(in srgb, #8b5cf6 4%, var(--surface-muted));
}

.assignment-desc-requirements {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.assignment-desc-requirements li {
  position: relative;
  padding: 0.75rem 0.9rem 0.75rem 2.15rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, #c45c26 18%, var(--border));
  line-height: 1.55;
  font-size: 0.92rem;
}

.assignment-desc-requirements li::before {
  content: "◆";
  position: absolute;
  left: 0.85rem;
  top: 0.78rem;
  font-size: 0.55rem;
  color: color-mix(in srgb, #c45c26 80%, var(--text));
}

.assignment-desc-section--rubric .assignment-desc-table-wrap {
  margin-top: 0.5rem;
}

.assignment-desc-section--rubric .assignment-desc-table thead th {
  background: color-mix(in srgb, #c45c26 8%, var(--surface));
}

.assignment-desc-examples--seeds.assignment-desc-examples-grid,
.assignment-desc-examples--peer-review.assignment-desc-examples-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.capstone-seed-card {
  padding: 1rem 1.05rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
  border-top: 3px solid color-mix(in srgb, #c45c26 65%, var(--border));
}

.capstone-seed-card-title {
  margin-bottom: 0.45rem;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text);
}

.capstone-seed-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.capstone-peer-card {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  height: 100%;
  border-top: 3px solid color-mix(in srgb, #8b5cf6 60%, var(--border));
}

.capstone-peer-card-title {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.capstone-peer-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.52;
  color: var(--muted);
}

.assignment-description--capstone .assignment-desc-section--callout {
  border-color: color-mix(in srgb, #8b5cf6 30%, var(--border));
  background: color-mix(in srgb, #8b5cf6 5%, var(--surface-muted));
}

.group-card:has(.problem-row[data-assignment-id="9.1"]) .group-header {
  border-left: 3px solid color-mix(in srgb, #c45c26 55%, transparent);
}

@media (max-width: 800px) {
.capstone-journey-connector {
    display: none;
  }
.capstone-journey-step {
    flex: 1 1 calc(50% - 0.5rem);
  }
}

.assignment-desc-block h3 {
  margin-bottom: 0.85rem;
}

.module-intro {
  margin: 0 0 1.1rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--assign-accent, var(--manual-accent)) 26%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--assign-accent, var(--manual-accent)) 9%, var(--surface-muted)) 0%,
    color-mix(in srgb, var(--assign-accent-2, var(--pass)) 7%, var(--surface-muted)) 100%
  );
  box-shadow: 0 8px 24px color-mix(in srgb, var(--text) 5%, transparent);
}

.module-intro-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--assign-accent, var(--manual-accent)) 85%, var(--text));
  background: color-mix(in srgb, var(--assign-accent, var(--manual-accent)) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--assign-accent, var(--manual-accent)) 22%, var(--border));
}

.module-intro-steps {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.module-intro-step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem 0.35rem 0.4rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 600;
}

.module-intro-step-num {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  font-size: 0.78rem;
  color: var(--surface);
  background: linear-gradient(
    135deg,
    var(--assign-accent, var(--manual-accent)),
    var(--assign-accent-2, var(--pass))
  );
}

.module-intro-connector {
  width: 1.35rem;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--assign-accent-2, var(--pass)) 35%, var(--border));
}

.module-intro-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.detail-panel--module-1,
.detail-panel--module-2,
.detail-panel--module-3,
.detail-panel--module-4,
.detail-panel--module-5,
.detail-panel--module-6,
.detail-panel--module-7,
.detail-panel--module-8,
.detail-panel--polished {
  --assign-accent: var(--manual-accent);
  --assign-accent-2: var(--pass);
}

.detail-panel--module-1 { --assign-accent: #0d9488; --assign-accent-2: #6366f1; }

.detail-panel--module-2 { --assign-accent: #e11d48; --assign-accent-2: #f97316; }

.detail-panel--module-3 { --assign-accent: #059669; --assign-accent-2: #0d9488; }

.detail-panel--module-4 { --assign-accent: #0284c7; --assign-accent-2: #6366f1; }

.detail-panel--module-5 { --assign-accent: #7c3aed; --assign-accent-2: #db2777; }

.detail-panel--module-6 { --assign-accent: #ea580c; --assign-accent-2: #dc2626; }

.detail-panel--module-7 { --assign-accent: #0891b2; --assign-accent-2: #2563eb; }

.detail-panel--module-8 { --assign-accent: #475569; --assign-accent-2: #7c3aed; }

.assignment-description--module-1,
.assignment-description--module-2,
.assignment-description--module-3,
.assignment-description--module-4,
.assignment-description--module-5,
.assignment-description--module-6,
.assignment-description--module-7,
.assignment-description--module-8,
.assignment-description--polished {
  gap: 1.15rem;
}

.assignment-description--module-1 { --assign-accent: #0d9488; --assign-accent-2: #6366f1; }

.assignment-description--module-2 { --assign-accent: #e11d48; --assign-accent-2: #f97316; }

.assignment-description--module-3 { --assign-accent: #059669; --assign-accent-2: #0d9488; }

.assignment-description--module-4 { --assign-accent: #0284c7; --assign-accent-2: #6366f1; }

.assignment-description--module-5 { --assign-accent: #7c3aed; --assign-accent-2: #db2777; }

.assignment-description--module-6 { --assign-accent: #ea580c; --assign-accent-2: #dc2626; }

.assignment-description--module-7 { --assign-accent: #0891b2; --assign-accent-2: #2563eb; }

.assignment-description--module-8 { --assign-accent: #475569; --assign-accent-2: #7c3aed; }

.assignment-description--polished { --assign-accent: var(--manual-accent); --assign-accent-2: var(--pass); }

.assignment-description--module-1 .assignment-desc-section--hero,
.assignment-description--module-2 .assignment-desc-section--hero,
.assignment-description--module-3 .assignment-desc-section--hero,
.assignment-description--module-4 .assignment-desc-section--hero,
.assignment-description--module-5 .assignment-desc-section--hero,
.assignment-description--module-6 .assignment-desc-section--hero,
.assignment-description--module-7 .assignment-desc-section--hero,
.assignment-description--module-8 .assignment-desc-section--hero,
.assignment-description--polished .assignment-desc-section--hero {
  padding: 1.25rem 1.35rem 1.3rem;
  border: 1px solid color-mix(in srgb, var(--assign-accent) 24%, var(--border));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--assign-accent) 8%, var(--surface-muted)),
    color-mix(in srgb, var(--assign-accent-2) 5%, var(--surface-muted))
  );
}

.assignment-description--module-1 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-2 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-3 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-4 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-5 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-6 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-7 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--module-8 .assignment-desc-section--hero .assignment-desc-heading,
.assignment-description--polished .assignment-desc-section--hero .assignment-desc-heading {
  font-size: 1.08rem;
  margin-bottom: 0.75rem;
}

.assignment-description--module-1 .assignment-desc-section--hero p,
.assignment-description--module-2 .assignment-desc-section--hero p,
.assignment-description--module-3 .assignment-desc-section--hero p,
.assignment-description--module-4 .assignment-desc-section--hero p,
.assignment-description--module-5 .assignment-desc-section--hero p,
.assignment-description--module-6 .assignment-desc-section--hero p,
.assignment-description--module-7 .assignment-desc-section--hero p,
.assignment-description--module-8 .assignment-desc-section--hero p,
.assignment-description--polished .assignment-desc-section--hero p {
  font-size: 1.02rem;
  line-height: 1.65;
}

.assignment-description--module-1 .assignment-desc-section--steps,
.assignment-description--module-2 .assignment-desc-section--steps,
.assignment-description--module-3 .assignment-desc-section--steps,
.assignment-description--module-4 .assignment-desc-section--steps,
.assignment-description--module-5 .assignment-desc-section--steps,
.assignment-description--module-6 .assignment-desc-section--steps,
.assignment-description--module-7 .assignment-desc-section--steps,
.assignment-description--module-8 .assignment-desc-section--steps,
.assignment-description--polished .assignment-desc-section--steps {
  border-color: color-mix(in srgb, var(--assign-accent-2) 20%, var(--border));
  background: color-mix(in srgb, var(--assign-accent-2) 4%, var(--surface-muted));
}

.assignment-description--module-1 .assignment-desc-steps li::before,
.assignment-description--module-2 .assignment-desc-steps li::before,
.assignment-description--module-3 .assignment-desc-steps li::before,
.assignment-description--module-4 .assignment-desc-steps li::before,
.assignment-description--module-5 .assignment-desc-steps li::before,
.assignment-description--module-6 .assignment-desc-steps li::before,
.assignment-description--module-7 .assignment-desc-steps li::before,
.assignment-description--module-8 .assignment-desc-steps li::before,
.assignment-description--polished .assignment-desc-steps li::before {
  background: linear-gradient(135deg, var(--assign-accent), var(--assign-accent-2));
}

.assignment-description--module-1 .assignment-desc-goals li,
.assignment-description--module-2 .assignment-desc-goals li,
.assignment-description--module-3 .assignment-desc-goals li,
.assignment-description--module-4 .assignment-desc-goals li,
.assignment-description--module-5 .assignment-desc-goals li,
.assignment-description--module-6 .assignment-desc-goals li,
.assignment-description--module-7 .assignment-desc-goals li,
.assignment-description--module-8 .assignment-desc-goals li,
.assignment-description--polished .assignment-desc-goals li {
  border-top: 3px solid color-mix(in srgb, var(--assign-accent) 55%, var(--border));
}

.assignment-description--module-1 .assignment-desc-section--requirements,
.assignment-description--module-2 .assignment-desc-section--requirements,
.assignment-description--module-3 .assignment-desc-section--requirements,
.assignment-description--module-4 .assignment-desc-section--requirements,
.assignment-description--module-5 .assignment-desc-section--requirements,
.assignment-description--module-6 .assignment-desc-section--requirements,
.assignment-description--module-7 .assignment-desc-section--requirements,
.assignment-description--module-8 .assignment-desc-section--requirements,
.assignment-description--polished .assignment-desc-section--requirements {
  border-color: color-mix(in srgb, var(--assign-accent-2) 18%, var(--border));
  background: color-mix(in srgb, var(--assign-accent-2) 3%, var(--surface-muted));
}

.assignment-description--module-1 .assignment-desc-section--checklist,
.assignment-description--module-2 .assignment-desc-section--checklist,
.assignment-description--module-3 .assignment-desc-section--checklist,
.assignment-description--module-4 .assignment-desc-section--checklist,
.assignment-description--module-5 .assignment-desc-section--checklist,
.assignment-description--module-6 .assignment-desc-section--checklist,
.assignment-description--module-7 .assignment-desc-section--checklist,
.assignment-description--module-8 .assignment-desc-section--checklist,
.assignment-description--polished .assignment-desc-section--checklist {
  border-color: color-mix(in srgb, var(--assign-accent) 16%, var(--border));
  background: color-mix(in srgb, var(--assign-accent) 3%, var(--surface-muted));
}

.assignment-description--module-1 .assignment-desc-check,
.assignment-description--module-2 .assignment-desc-check,
.assignment-description--module-3 .assignment-desc-check,
.assignment-description--module-4 .assignment-desc-check,
.assignment-description--module-5 .assignment-desc-check,
.assignment-description--module-6 .assignment-desc-check,
.assignment-description--module-7 .assignment-desc-check,
.assignment-description--module-8 .assignment-desc-check,
.assignment-description--polished .assignment-desc-check {
  border-color: color-mix(in srgb, var(--assign-accent) 50%, var(--border));
  background: color-mix(in srgb, var(--assign-accent) 7%, var(--surface));
}

.assignment-description--module-1 .assignment-feature-card,
.assignment-description--module-2 .assignment-feature-card,
.assignment-description--module-3 .assignment-feature-card,
.assignment-description--module-4 .assignment-feature-card,
.assignment-description--module-5 .assignment-feature-card,
.assignment-description--module-6 .assignment-feature-card,
.assignment-description--module-7 .assignment-feature-card,
.assignment-description--module-8 .assignment-feature-card,
.assignment-description--polished .assignment-feature-card,
.assignment-description--module-1 .assignment-idea-card,
.assignment-description--module-2 .assignment-idea-card,
.assignment-description--module-3 .assignment-idea-card,
.assignment-description--module-4 .assignment-idea-card,
.assignment-description--module-5 .assignment-idea-card,
.assignment-description--module-6 .assignment-idea-card,
.assignment-description--module-7 .assignment-idea-card,
.assignment-description--module-8 .assignment-idea-card,
.assignment-description--polished .assignment-idea-card,
.assignment-description--module-1 .assignment-topic-card,
.assignment-description--module-2 .assignment-topic-card,
.assignment-description--module-3 .assignment-topic-card,
.assignment-description--module-4 .assignment-topic-card,
.assignment-description--module-5 .assignment-topic-card,
.assignment-description--module-6 .assignment-topic-card,
.assignment-description--module-7 .assignment-topic-card,
.assignment-description--module-8 .assignment-topic-card,
.assignment-description--polished .assignment-topic-card {
  border-top-color: color-mix(in srgb, var(--assign-accent) 60%, var(--border));
}

.assignment-description--module-1 .assignment-desc-section--callout,
.assignment-description--module-2 .assignment-desc-section--callout,
.assignment-description--module-3 .assignment-desc-section--callout,
.assignment-description--module-4 .assignment-desc-section--callout,
.assignment-description--module-5 .assignment-desc-section--callout,
.assignment-description--module-6 .assignment-desc-section--callout,
.assignment-description--module-7 .assignment-desc-section--callout,
.assignment-description--module-8 .assignment-desc-section--callout,
.assignment-description--polished .assignment-desc-section--callout {
  border-color: color-mix(in srgb, var(--assign-accent) 30%, var(--border));
  background: color-mix(in srgb, var(--assign-accent) 5%, var(--surface-muted));
}

.assignment-description--module-1 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-2 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-3 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-4 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-5 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-6 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-7 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--module-8 .assignment-desc-section--callout .assignment-desc-heading,
.assignment-description--polished .assignment-desc-section--callout .assignment-desc-heading {
  color: color-mix(in srgb, var(--assign-accent) 80%, var(--text));
}

.assignment-description--module-1 .assignment-desc-deliverables li,
.assignment-description--module-2 .assignment-desc-deliverables li,
.assignment-description--module-3 .assignment-desc-deliverables li,
.assignment-description--module-4 .assignment-desc-deliverables li,
.assignment-description--module-5 .assignment-desc-deliverables li,
.assignment-description--module-6 .assignment-desc-deliverables li,
.assignment-description--module-7 .assignment-desc-deliverables li,
.assignment-description--module-8 .assignment-desc-deliverables li,
.assignment-description--polished .assignment-desc-deliverables li {
  border-color: color-mix(in srgb, var(--assign-accent) 22%, var(--border));
}

.assignment-description--module-1 .assignment-desc-deliverables li::before,
.assignment-description--module-2 .assignment-desc-deliverables li::before,
.assignment-description--module-3 .assignment-desc-deliverables li::before,
.assignment-description--module-4 .assignment-desc-deliverables li::before,
.assignment-description--module-5 .assignment-desc-deliverables li::before,
.assignment-description--module-6 .assignment-desc-deliverables li::before,
.assignment-description--module-7 .assignment-desc-deliverables li::before,
.assignment-description--module-8 .assignment-desc-deliverables li::before,
.assignment-description--polished .assignment-desc-deliverables li::before {
  color: var(--assign-accent);
}

.assignment-description--module-1 .assignment-desc-list,
.assignment-description--module-2 .assignment-desc-list,
.assignment-description--module-3 .assignment-desc-list,
.assignment-description--module-4 .assignment-desc-list,
.assignment-description--module-5 .assignment-desc-list,
.assignment-description--module-6 .assignment-desc-list,
.assignment-description--module-7 .assignment-desc-list,
.assignment-description--module-8 .assignment-desc-list,
.assignment-description--polished .assignment-desc-list {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.assignment-description--module-1 .assignment-desc-list li,
.assignment-description--module-2 .assignment-desc-list li,
.assignment-description--module-3 .assignment-desc-list li,
.assignment-description--module-4 .assignment-desc-list li,
.assignment-description--module-5 .assignment-desc-list li,
.assignment-description--module-6 .assignment-desc-list li,
.assignment-description--module-7 .assignment-desc-list li,
.assignment-description--module-8 .assignment-desc-list li,
.assignment-description--polished .assignment-desc-list li {
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  line-height: 1.52;
}

.detail-jump-nav--module-1,
.detail-jump-nav--module-2,
.detail-jump-nav--module-3,
.detail-jump-nav--module-4,
.detail-jump-nav--module-5,
.detail-jump-nav--module-6,
.detail-jump-nav--module-7,
.detail-jump-nav--module-8,
.detail-jump-nav--polished {
  flex-wrap: wrap;
}

.assignment-description {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.assignment-description-plain {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
  line-height: 1.55;
  color: var(--text);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}

.assignment-desc-section {
  padding: 1.05rem 1.15rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
}

.assignment-desc-section--visual,
.assignment-desc-section--portrait {
  padding: 1.15rem 1.2rem 1.3rem;
}

.assignment-desc-section--portrait .assignment-desc-heading {
  margin-bottom: 0.45rem;
}

.assignment-desc-section--portrait .assignment-desc-note {
  margin-bottom: 0;
}

.assignment-desc-portrait-layout {
  margin-top: 0.95rem;
}

.assignment-desc-portrait-layout::after {
  content: "";
  display: table;
  clear: both;
}

.assignment-desc-section--portrait-tall .assignment-desc-portrait {
  width: min(420px, 44%);
}

.assignment-desc-portrait {
  float: left;
  width: min(580px, 58%);
  margin: 0 1.35rem 0.9rem 0;
  padding: 0.65rem 0.65rem 0.55rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--pass) 24%, var(--border));
  background: color-mix(in srgb, var(--pass) 6%, var(--surface));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--text) 6%, transparent);
}

.assignment-desc-portrait--right {
  float: right;
  width: min(300px, 36%);
  margin: 0.1rem 0 0.85rem 1.15rem;
}

.assignment-desc-portrait img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 9px;
}

.assignment-desc-caption {
  margin: 0.55rem 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
}

.assignment-desc-portrait-layout > p {
  margin: 0 0 0.75rem;
}

.assignment-desc-portrait-layout > p:first-of-type {
  margin-top: 0;
}

.assignment-desc-section--large-text .assignment-desc-heading {
  font-size: 1.14rem;
}

.assignment-desc-section--large-text .assignment-desc-portrait-layout > p {
  font-size: 1.08rem;
  line-height: 1.72;
}

@media (max-width: 760px) {
.assignment-desc-portrait,
  .assignment-desc-portrait--right {
    float: none;
    width: 100%;
    max-width: 480px;
    margin: 0 auto 1rem;
  }
.assignment-desc-section--portrait-tall .assignment-desc-portrait {
    max-width: 420px;
  }
}

.assignment-desc-section--visual .assignment-desc-heading {
  margin-bottom: 0.45rem;
}

.assignment-desc-section--visual .assignment-desc-note {
  margin-bottom: 0.95rem;
}

.assignment-desc-section--visual .assignment-desc-note:last-child {
  margin-bottom: 1rem;
}

.assignment-desc-section-body {
  margin-top: 0.15rem;
}

.assignment-desc-section-body .assignment-desc-list {
  margin-top: 0;
}

.assignment-desc-visual {
  margin: 0 0 1.2rem;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.assignment-desc-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
}

.assignment-sample-visual {
  margin: 0 0 1.35rem;
  padding: 1rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
}

.assignment-sample-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
}

#assignment-sample-output pre {
  margin-top: 0;
}

.assignment-desc-heading {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  color: var(--text);
}

.assignment-desc-note {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.assignment-desc-section p {
  margin: 0 0 0.65rem;
  line-height: 1.58;
}

.assignment-desc-section p:last-child {
  margin-bottom: 0;
}

.assignment-desc-list {
  margin: 0.2rem 0 0;
  padding-left: 1.3rem;
  line-height: 1.58;
}

.assignment-desc-list li + li {
  margin-top: 0.45rem;
}

.assignment-desc-table-wrap {
  margin-top: 0.65rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.assignment-desc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.4;
}

.assignment-desc-table caption {
  caption-side: top;
  padding: 0.55rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.assignment-desc-table th,
.assignment-desc-table td {
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.assignment-desc-table thead th {
  background: color-mix(in srgb, var(--accent, #3b6fc7) 10%, var(--surface));
  font-weight: 700;
  white-space: nowrap;
}

.assignment-desc-table tbody tr:last-child th,
.assignment-desc-table tbody tr:last-child td {
  border-bottom: none;
}

.assignment-desc-table tbody th {
  font-weight: 600;
  min-width: 10rem;
}

.assignment-desc-table .assignment-desc-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
  white-space: nowrap;
}

.assignment-example {
  margin-top: 0.75rem;
  padding: 0.75rem 0.85rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.assignment-example-title {
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.assignment-example-note {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.assignment-example-visual {
  margin: 0.75rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
}

.assignment-example-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
}

.assignment-desc-examples {
  margin-top: 0.35rem;
}

.assignment-desc-examples-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0.65rem;
}

.assignment-desc-examples-grid .assignment-example {
  margin-top: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.assignment-desc-examples-grid .assignment-example-visual {
  margin-top: auto;
  padding-top: 0.65rem;
}

.assignment-desc-section--examples-grid .assignment-desc-note {
  margin-bottom: 0.35rem;
}

.assignment-desc-section[id] {
  scroll-margin-top: 5rem;
}

.compile-error-panel {
  margin-top: 0.15rem;
}

.compile-error-summary {
  margin: 0 0 0.55rem;
  font-weight: 600;
  color: var(--text);
}

.compile-error-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.compile-error-item {
  padding: 0.7rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--danger, #c0392b) 35%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger, #c0392b) 6%, var(--surface));
}

.compile-error-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  align-items: baseline;
}

.compile-error-loc {
  font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--danger, #c0392b);
}

.compile-error-msg {
  font-size: 0.92rem;
  line-height: 1.45;
}

.compile-error-source,
.compile-error-caret {
  margin: 0.5rem 0 0;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  font-family: var(--font-mono, "JetBrains Mono", Consolas, monospace);
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-x: auto;
}

.compile-error-caret {
  margin-top: 0.2rem;
  color: var(--danger, #c0392b);
  background: transparent;
  border: none;
  padding: 0 0.65rem 0.2rem;
}

.assignment-pattern {
  margin: 0;
  padding: 0.75rem 0.85rem;
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.detail-header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.detail-header h2 { margin: 0 0 0.5rem; }

.capstone-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 34%);
  gap: 1.5rem;
  align-items: start;
  margin-top: 1.15rem;
  margin-bottom: 0.35rem;
  padding: 1.35rem 1.45rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--pass) 22%, var(--border));
  background: color-mix(in srgb, var(--pass) 7%, var(--surface));
}

.capstone-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.capstone-hero-copy p {
  margin: 0;
  line-height: 1.55;
}

.capstone-hero-link {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--text) 32%, var(--border));
  text-underline-offset: 0.14em;
  transition: color 0.16s ease, text-decoration-color 0.16s ease;
}

.capstone-hero-link:hover,
.capstone-hero-link:focus-visible {
  color: var(--text);
  text-decoration-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  outline: none;
}

.capstone-hero-kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pass);
}

.capstone-hero-note {
  font-size: 0.9rem;
}

.capstone-hero-visual {
  margin: 0;
  flex-shrink: 0;
  padding: 0.75rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.capstone-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

[data-theme="dark"] .capstone-hero {
  background: color-mix(in srgb, var(--pass) 10%, var(--surface));
}

.capstone-hero--final {
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

.capstone-hero--final .capstone-hero-kicker {
  color: var(--accent);
}

[data-theme="dark"] .capstone-hero--final {
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

@media (max-width: 820px) {
.assignment-desc-examples-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
.capstone-hero {
    grid-template-columns: 1fr;
    gap: 1.15rem;
    padding: 1.15rem 1.2rem;
  }
.capstone-hero-visual {
    justify-self: stretch;
    max-width: none;
  }
}

.passed-notice {
  margin: 0 0 0.75rem;
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--pass);
  background: var(--verdict-pass-bg);
  border-radius: 0 6px 6px 0;
  color: var(--text);
  font-size: 0.92rem;
}

#assignment-desc,
#assignment-submit,
#assignment-history,
#assignment-concepts,
#assignment-sample-output,
.detail-submit-block {
  scroll-margin-top: 5rem;
}

#assignment-sample-output h3 {
  margin-bottom: 0.9rem;
}

.assignment-desc-block {
  padding-bottom: 0.15rem;
}

.progress-remaining-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.progress-assignment-link {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.progress-assignment-link:hover {
  background: var(--surface-hover);
  border-color: var(--accent-mid);
}

.chip-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.detail-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.detail-breadcrumb-link {
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.detail-breadcrumb-link:hover {
  color: var(--accent-dark);
}

.detail-breadcrumb-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.detail-breadcrumb-sep {
  color: var(--muted);
}

.detail-breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

.upload-box {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--upload-bg);
}

.upload-box input[type="file"] { width: 100%; color: var(--text); }

.continue-card {
  margin: 0 0 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--pass);
  background: var(--panel, var(--bg));
}

.continue-card--progress {
  margin: 0 0 1.25rem;
}

.continue-card-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.continue-card-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.continue-card-title {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  line-height: 1.25;
}

.continue-card-lead {
  margin: 0 0 0.45rem;
  max-width: 42rem;
}

.continue-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
}

.continue-card-cta {
  flex-shrink: 0;
  white-space: nowrap;
}

.batch-upload-panel {
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 0;
  overflow: hidden;
}

.batch-upload-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.batch-upload-summary::-webkit-details-marker {
  display: none;
}

.batch-upload-summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.45rem;
  color: var(--muted);
  transition: transform 0.12s ease;
}

.batch-upload-panel[open] .batch-upload-summary::before {
  transform: rotate(90deg);
}

.batch-upload-summary-hint {
  font-weight: 500;
}

.batch-upload-body {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid var(--border);
}

.batch-upload-tag {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--chip-bg);
  color: var(--chip-text);
  vertical-align: middle;
}

.batch-upload-warning {
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--pending);
  background: var(--verdict-pending-bg);
  border-radius: 0 6px 6px 0;
}

@media (max-width: 720px) {
.continue-card-inner {
    flex-direction: column;
    align-items: stretch;
  }
.continue-card-cta {
    width: 100%;
  }
}

.multi-file-intro-callout {
  margin: 0 0 1.25rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

.multi-file-intro-callout-title {
  margin: 0 0 0.45rem;
  font-weight: 600;
  color: var(--accent);
}

.multi-file-intro-callout p {
  margin: 0 0 0.5rem;
}

.multi-file-intro-callout p:last-child {
  margin-bottom: 0;
}

.multi-file-intro-callout-note {
  margin-top: 0.35rem;
}

.problem-row-multifile-note {
  margin-top: 0.2rem;
  color: var(--accent);
}

[data-theme="dark"] .multi-file-intro-callout {
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

.batch-upload-panel h3 {
  margin: 0 0 0.35rem;
}

.batch-upload-panel .upload-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.batch-upload-panel .upload-box input[type="file"] {
  flex: 1 1 220px;
}

.batch-upload-result {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.batch-upload-result h4 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
}

.batch-upload-result ul {
  margin: 0.25rem 0 0.75rem;
  padding-left: 1.2rem;
}

.batch-upload-result li:last-child {
  margin-bottom: 0;
}

.batch-upload-result .batch-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.submission-history {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.history-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.2s, background 0.2s;
}

.history-item:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--chip-bg);
}

.history-item-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.history-item:disabled,
.history-item-disabled {
  opacity: 0.65;
  cursor: default;
}

.history-item-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.history-item-file {
  font-weight: 600;
}

.history-item-date,
.history-item-action {
  color: var(--muted);
  font-size: 0.88rem;
}

.history-item-action {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--accent);
}

.history-item:disabled .history-item-action {
  color: var(--muted);
}

.submission-feedback-panel {
  margin-top: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.submission-feedback-panel h4 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.verdict {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.verdict.pass { border-color: var(--verdict-pass-border); background: var(--verdict-pass-bg); }

.verdict.fail { border-color: var(--verdict-fail-border); background: var(--verdict-fail-bg); }

.verdict.pending { border-color: var(--verdict-pending-border); background: var(--verdict-pending-bg); }

.fix-guide {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--chip-bg);
}

.fix-guide h4 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: var(--accent);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.8rem;
}

.group-progress {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.grading-steps {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.grading-steps li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.grading-steps li.active { color: var(--text); font-weight: 600; }

.grading-steps li.done { color: var(--pass); }

.grading-steps li.active .step-dot { background: var(--pending); }

.grading-steps li.done .step-dot { background: var(--pass); }

.checklist {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.checklist-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
}

.checklist-row:first-child { border-top: none; }

.stats-bar-skeleton {
  width: 100%;
}

@media (max-width: 640px) {
.problem-row { grid-template-columns: 64px 1fr; }
.problem-row .filename { grid-column: 2; }
.problem-row-points {
    grid-column: 2;
    margin-top: 0.1rem;
  }
.problems-toolbar { flex-direction: column; align-items: stretch; }
.detail-header-actions { align-items: flex-start; width: 100%; }
}

.checkin-github-logo {
  flex-shrink: 0;
  color: var(--text);
  opacity: 0.88;
}

.workshop-github-logo {
  flex-shrink: 0;
  color: var(--text);
  opacity: 0.88;
}

.capstone-github-logo {
  flex-shrink: 0;
  color: var(--text);
  opacity: 0.88;
}