/* RGMT Reading + Pinyin — ruby layout */

.hsk-rgmt {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hsk-rgmt__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hsk-rgmt__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, #6366f1 12%, transparent);
  color: #6366f1;
  font-size: 0.72rem;
  font-weight: 600;
}

.hsk-rgmt__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.hsk-rgmt__passage {
  padding: 16px;
  border-radius: var(--hsk-radius-md);
  background: linear-gradient(135deg, color-mix(in srgb, var(--qmf-bg-secondary) 80%, #fff), var(--qmf-bg-primary));
  border: 1px solid var(--qmf-border);
  line-height: 1.85;
}

.hsk-rgmt__paragraph {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.hsk-rgmt__paragraph:last-child { margin-bottom: 0; }

.hsk-rgmt__figure {
  margin: 0 0 16px;
  border-radius: var(--hsk-radius-sm);
  overflow: hidden;
}

.hsk-rgmt__image {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  display: block;
}

/* Ruby / Pinyin */
.hsk-ruby {
  display: inline;
}

.hsk-ruby__unit {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin: 0 1px;
  vertical-align: bottom;
}

.hsk-ruby__py {
  font-size: 0.62rem;
  color: var(--qmf-text-muted, #64748b);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hsk-ruby__hz {
  font-size: 1.1rem;
  line-height: 1.3;
}

.hsk-ruby__py-line {
  display: block;
  font-size: 0.72rem;
  color: var(--qmf-text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.06em;
}

.hsk-ruby__hz-line {
  display: block;
  font-size: 1.05rem;
}

/* Questions */
.hsk-rgmt__questions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hsk-rgmt__q {
  padding: 14px;
  border-radius: var(--hsk-radius-md);
  border: 1px solid var(--qmf-border);
  background: var(--qmf-bg-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.hsk-rgmt__q:hover {
  border-color: color-mix(in srgb, var(--qmf-accent-primary) 30%, var(--qmf-border));
}

.hsk-rgmt__prompt {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.hsk-rgmt__q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  margin-right: 8px;
  border-radius: 8px;
  background: var(--qmf-accent-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: middle;
}

.hsk-rgmt__options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hsk-rgmt__option {
  display: grid;
  grid-template-columns: 32px 1fr 20px;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--qmf-border);
  border-radius: var(--hsk-radius-sm);
  background: var(--qmf-bg-primary);
  text-align: left;
  cursor: pointer;
  transition: all 0.18s var(--hsk-ease-out);
}

.hsk-rgmt__option:hover {
  border-color: var(--qmf-accent-primary);
  transform: translateY(-1px);
  box-shadow: var(--hsk-shadow-soft);
}

.hsk-rgmt__option--selected {
  border-color: var(--qmf-accent-primary);
  background: color-mix(in srgb, var(--qmf-accent-primary) 8%, var(--qmf-bg-primary));
}

.hsk-rgmt__option--selected .hsk-rgmt__option-check {
  opacity: 1;
  transform: scale(1);
  color: var(--qmf-accent-primary);
}

.hsk-rgmt__option-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--qmf-bg-secondary);
  font-weight: 700;
  font-size: 0.82rem;
}

.hsk-rgmt__option-text {
  font-size: 0.9rem;
  line-height: 1.4;
}

.hsk-rgmt__option-check {
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.2s var(--hsk-ease-spring);
}

.hsk-rgmt__option:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

@media (min-width: 640px) {
  .hsk-rgmt__options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .hsk-rgmt__passage { padding: 20px 24px; }
  .hsk-ruby__hz { font-size: 1.15rem; }
}