.response-hero {
  background:
    linear-gradient(120deg, rgba(29, 92, 91, 0.08), transparent 52%),
    var(--color-surface);
}

.response-path {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin: 1.4rem 0;
}

.response-path span {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-heading);
  font-weight: 700;
}

.response-path i {
  color: var(--color-accent-strong);
  font-style: normal;
}

.pattern-layout,
.death-layout,
.severity-layout,
.species-layout,
.pattern-builder {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.5fr);
  gap: 1.2rem;
  align-items: start;
}

.pattern-list,
.death-tabs,
.severity-list,
.species-tabs {
  display: grid;
  gap: 0.65rem;
}

.pattern-button,
.death-tab,
.severity-button,
.species-tab {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-heading);
  padding: 0.8rem 0.9rem;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.pattern-button:hover,
.death-tab:hover,
.severity-button:hover,
.species-tab:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.pattern-button.is-current,
.death-tab[aria-selected="true"],
.severity-button[aria-current="step"],
.species-tab[aria-selected="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.pattern-button.is-visited::after,
.death-tab.is-visited::after,
.species-tab.is-visited::after {
  content: "已查看";
  float: right;
  color: var(--color-success);
  font-size: 0.78rem;
  font-weight: 700;
}

.pattern-button strong,
.death-tab strong,
.severity-button strong,
.species-tab strong {
  display: block;
}

.pattern-button small,
.death-tab small,
.severity-button small,
.species-tab small {
  display: block;
  margin-top: 0.2rem;
  color: var(--color-muted);
}

.pattern-workspace,
.death-detail,
.severity-stage,
.species-detail,
.builder-form,
.builder-result {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.pattern-workspace {
  overflow: hidden;
}

.pattern-visual {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 24% 24%, rgba(49, 119, 113, 0.09), transparent 28%),
    radial-gradient(circle at 72% 68%, rgba(180, 93, 75, 0.08), transparent 32%),
    #f8fbfa;
}

.pattern-visual::before {
  content: "";
  position: absolute;
  inset: 2.8rem 6% 1rem;
  border: 2px solid rgba(42, 89, 87, 0.24);
  border-radius: 44% 56% 48% 52%;
}

.pattern-visual[data-pattern="marrow_hypocellularity"]::before {
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.95) 0 7%, transparent 8%),
    radial-gradient(circle at 48% 62%, rgba(255, 255, 255, 0.95) 0 9%, transparent 10%),
    radial-gradient(circle at 78% 32%, rgba(255, 255, 255, 0.95) 0 8%, transparent 9%),
    rgba(222, 234, 231, 0.55);
}

.pattern-visual[data-pattern="cell_death"]::before {
  border-style: dashed;
  background: rgba(235, 218, 212, 0.46);
}

.pattern-visual[data-pattern="hemorrhage"]::before {
  background:
    radial-gradient(circle at 36% 45%, rgba(157, 66, 57, 0.45) 0 20%, transparent 21%),
    radial-gradient(circle at 66% 60%, rgba(157, 66, 57, 0.32) 0 14%, transparent 15%),
    rgba(248, 237, 233, 0.64);
}

.pattern-visual[data-pattern="extramedullary_hematopoiesis"]::before {
  background:
    radial-gradient(circle at 25% 34%, rgba(76, 129, 119, 0.45) 0 12%, transparent 13%),
    radial-gradient(circle at 52% 58%, rgba(76, 129, 119, 0.4) 0 15%, transparent 16%),
    radial-gradient(circle at 78% 38%, rgba(76, 129, 119, 0.42) 0 11%, transparent 12%),
    rgba(235, 242, 239, 0.7);
}

.pattern-visual[data-pattern="lymphoid_decrease"]::before {
  box-shadow: inset 0 0 0 2.2rem rgba(233, 239, 237, 0.86);
  background: rgba(255, 255, 255, 0.72);
}

.pattern-cell {
  position: absolute;
  z-index: 1;
  width: var(--cell-size, 13px);
  height: var(--cell-size, 13px);
  left: var(--cell-x);
  top: var(--cell-y);
  border-radius: 50%;
  background: var(--cell-color, #567c78);
  opacity: var(--cell-opacity, 0.74);
}

.pattern-visual[data-pattern="cell_death"] .pattern-cell:nth-of-type(3n) {
  border-radius: 28% 54% 35% 60%;
  background: #a15c52;
}

.pattern-visual[data-pattern="hemorrhage"] .pattern-cell {
  width: 16px;
  height: 9px;
  border-radius: 50%;
  background: #a94d43;
}

.placeholder-label {
  position: absolute;
  z-index: 2;
  top: 0.75rem;
  left: 0.85rem;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.pattern-detail {
  padding: 1.2rem;
}

.pattern-detail__meta,
.pattern-status,
.death-status,
.species-status {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.pattern-detail-grid,
.pattern-species-grid,
.severity-anchor-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.pattern-detail-grid section,
.pattern-species-grid article,
.severity-anchor,
.micro-case {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-subtle);
  padding: 0.95rem;
}

.pattern-detail-grid h4,
.pattern-species-grid h4,
.severity-anchor h4 {
  margin: 0 0 0.45rem;
}

.pattern-boundary {
  margin-top: 1rem;
}

.death-detail,
.severity-stage,
.species-detail,
.builder-form,
.builder-result {
  padding: 1.15rem;
}

.death-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.death-feature {
  border-left: 3px solid var(--color-primary);
  padding: 0.6rem 0.75rem;
  background: var(--color-surface-subtle);
}

.death-feature strong {
  display: block;
  margin-bottom: 0.2rem;
}

.severity-button {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
}

.severity-button > span:first-child {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 800;
}

.severity-anchor-grid {
  margin-top: 1rem;
}

.severity-anchor[data-grade="marked"] {
  border-color: rgba(180, 93, 75, 0.52);
  background: rgba(180, 93, 75, 0.07);
}

.severity-controls {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
}

.species-detail ul,
.pattern-detail ul,
.micro-case ul {
  padding-left: 1.15rem;
}

.species-baseline {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.8rem 0.9rem;
  margin: 1rem 0;
}

.pattern-builder {
  margin-top: 1.2rem;
}

.builder-form {
  display: grid;
  gap: 0.9rem;
}

.builder-form .field {
  display: grid;
  gap: 0.35rem;
}

.builder-form select {
  width: 100%;
}

.builder-result {
  position: relative;
  padding-top: 3.2rem;
}

.builder-result section + section {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--color-border);
}

.builder-result h3 {
  margin: 0 0 0.35rem;
}

.builder-status {
  color: var(--color-muted);
  min-height: 1.4em;
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1.4rem;
}

.micro-case {
  position: relative;
  padding-top: 2.9rem;
}

.micro-case .badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
}

.micro-case h3 {
  margin-top: 0;
}

.quiz-form {
  display: grid;
  gap: 1rem;
}

.quiz-question {
  min-width: 0;
}

.quiz-question__instruction {
  margin: 0.35rem 0 0.7rem;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.quiz-options {
  display: grid;
  gap: 0.55rem;
}

.quiz-option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
}

.quiz-option:hover {
  border-color: var(--color-primary);
}

.quiz-option input {
  flex: 0 0 auto;
  margin-top: 0.28rem;
}

.quiz-feedback--correct,
.quiz-feedback--review {
  display: block;
  margin-top: 0.8rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
}

.quiz-feedback--correct {
  background: rgba(49, 119, 113, 0.1);
}

.quiz-feedback--review {
  background: rgba(180, 93, 75, 0.09);
}

.quiz-submit-status,
.completion-message {
  color: var(--color-muted);
}

.interpretation-summary,
.completion-panel {
  margin-top: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-subtle);
  padding: 1.1rem;
}

.completion-panel {
  border-left: 5px solid var(--color-primary);
}

.completion-panel h3,
.interpretation-summary h3 {
  margin-top: 0;
}

@media (max-width: 960px) {
  .case-grid {
    grid-template-columns: 1fr;
  }

  .pattern-species-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .pattern-layout,
  .death-layout,
  .severity-layout,
  .species-layout,
  .pattern-builder {
    grid-template-columns: 1fr;
  }

  .pattern-list,
  .death-tabs,
  .severity-list,
  .species-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pattern-detail-grid,
  .death-feature-grid,
  .severity-anchor-grid {
    grid-template-columns: 1fr;
  }

  .pattern-visual {
    min-height: 200px;
  }
}

@media (max-width: 480px) {
  .response-path {
    align-items: stretch;
    display: grid;
  }

  .response-path i {
    display: none;
  }

  .pattern-list,
  .death-tabs,
  .severity-list,
  .species-tabs {
    grid-template-columns: 1fr;
  }

  .severity-controls {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pattern-button,
  .death-tab,
  .severity-button,
  .species-tab {
    transition: none;
  }
}