/*
 * HNC Vocab Redesign — flat card layout + bg image + audio player polish
 * Depends on hnc-rrd-base. All variables prefixed --rrd-* come from base.
 */

/* Override default cream solid bg from core.js inline styles */
.hnc-rrd-vocab .hnc-vocab-back-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.hnc-rrd-vocab__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rrd-rule);
}
.hnc-rrd-vocab__title {
  font-family: var(--rrd-font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--rrd-ink);
  letter-spacing: -0.3px;
}
.hnc-rrd-vocab__subtitle {
  font-family: var(--rrd-font-mono);
  font-size: 14px;
  color: var(--rrd-ink-3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}
.hnc-rrd-vocab__back {
  font-family: var(--rrd-font-sans);
  font-size: 14px;
  color: var(--rrd-ink-2);
  border: 1px solid var(--rrd-rule);
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(250, 246, 238, 0.6);
}
.hnc-rrd-vocab__back:hover { background: var(--rrd-paper-deep); }

/* Audio player strip */
.hnc-rrd-vocab__audio-strip {
  background: rgba(243, 236, 220, 0.5);
  border: 1px solid var(--rrd-rule);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 22px;
  position: sticky;
  top: 8px;
  z-index: 5;
}
.hnc-rrd-vocab__audio-strip audio {
  flex: 1;
  min-width: 240px;
  height: 36px;
}
.hnc-rrd-vocab__audio-label {
  font-family: var(--rrd-font-mono);
  font-size: 13px;
  color: var(--rrd-ink-3);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hnc-rrd-vocab__audio-speed {
  display: inline-flex;
  gap: 4px;
}
.hnc-rrd-vocab__speed-btn {
  font-family: var(--rrd-font-mono);
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid var(--rrd-rule);
  border-radius: 999px;
  color: var(--rrd-ink-3);
  background: transparent;
}
.hnc-rrd-vocab__speed-btn.is-active {
  background: var(--rrd-ink);
  color: var(--rrd-paper);
  border-color: var(--rrd-ink);
}

/* Toolbar row */
.hnc-rrd-vocab__toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  align-items: center;
}
.hnc-rrd-vocab__search-wrap {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  background: rgba(250, 246, 238, 0.7);
  border: 1px solid var(--rrd-rule);
  border-radius: 999px;
  padding: 4px 6px 4px 12px;
}
.hnc-rrd-vocab__search-input {
  font-family: var(--rrd-font-sans);
  font-size: 14px;
  border: none;
  background: transparent;
  outline: none;
  width: 200px;
  color: var(--rrd-ink);
}
.hnc-rrd-vocab__search-input::placeholder { color: var(--rrd-ink-3); }
.hnc-rrd-vocab__search-clear {
  font-family: var(--rrd-font-mono);
  font-size: 12px;
  color: var(--rrd-ink-3);
  padding: 4px 10px;
  border-radius: 999px;
  background: transparent;
}
.hnc-rrd-vocab__search-clear:hover { background: var(--rrd-paper-deep); }

/* Stat strip (replaces "总 X 词" badge) */
.hnc-rrd-vocab__stats {
  font-family: var(--rrd-font-mono);
  font-size: 13px;
  color: var(--rrd-ink-3);
  letter-spacing: 1px;
}
.hnc-rrd-vocab__stats strong {
  font-family: var(--rrd-font-serif);
  font-size: 17px;
  color: var(--rrd-ink);
  font-style: italic;
  margin: 0 4px;
  font-weight: 600;
}

/* Vocab card - already styled mostly via base, additions: */
.hnc-rrd-vocab__card {
  /* extends .hnc-rrd__vocab-card from base */
  position: relative;
  transition: transform 120ms, box-shadow 120ms;
}
.hnc-rrd-vocab__card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(35, 31, 26, 0.06);
}
.hnc-rrd-vocab__play {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(35, 31, 26, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--rrd-ink-2);
  transition: background 120ms, color 120ms;
}
.hnc-rrd-vocab__play:hover {
  background: var(--rrd-ink);
  color: var(--rrd-paper);
}
.hnc-rrd-vocab__play.is-playing {
  background: var(--rrd-coral);
  color: var(--rrd-paper);
  animation: hnc-rrd-vocab-pulse 1.4s ease-in-out infinite;
}
@keyframes hnc-rrd-vocab-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(216, 89, 58, 0.45); }
  50%      { box-shadow: 0 0 0 6px rgba(216, 89, 58, 0); }
}
.hnc-rrd-vocab__play svg { width: 12px; height: 12px; }

.hnc-rrd-vocab__card.is-dimmed {
  opacity: 0.3;
  pointer-events: none;
  filter: blur(0.5px);
}

/* Section dividers (CET-4 / CET-6 / Phrases) */
.hnc-rrd-vocab__bucket-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 14px;
  padding: 0 4px;
}
.hnc-rrd-vocab__bucket-title {
  font-family: var(--rrd-font-serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 600;
  color: var(--rrd-ink);
}
.hnc-rrd-vocab__bucket-count {
  font-family: var(--rrd-font-mono);
  font-size: 14px;
  color: var(--rrd-ink-3);
  letter-spacing: 1px;
}
.hnc-rrd-vocab__bucket-divider {
  flex: 1;
  height: 1px;
  background: var(--rrd-rule);
}

/* Empty / no-results state */
.hnc-rrd-vocab__empty {
  font-family: var(--rrd-font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--rrd-ink-3);
  text-align: center;
  padding: 60px 20px;
}

/* Footer */
.hnc-rrd-vocab__footer {
  margin-top: 40px;
  text-align: center;
  font-family: var(--rrd-font-mono);
  font-size: 12px;
  color: var(--rrd-ink-3);
  letter-spacing: 1px;
}

/* Mobile */
@media (max-width: 720px) {
  .hnc-rrd-vocab__header { flex-direction: column; align-items: flex-start; }
  .hnc-rrd-vocab__title { font-size: 24px; }
  .hnc-rrd-vocab__search-input { width: 140px; }
  .hnc-rrd-vocab__audio-strip { position: static; }
}