/* ============ VOCAB HEADER ============ */
.vocab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.vocab-count {
  font-size: var(--fs-sm);
  color: var(--c-text-3);
  font-weight: 600;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  padding: 4px var(--sp-4);
  box-shadow: var(--shadow-xs);
}

/* ============ VOCAB GRID ============ */
.vocab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

/* ============ WORD CARD ============ */
.word-card {
  background: var(--c-card);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(15,23,42,.06);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base);
  position: relative;
  overflow: hidden;
}
/* Top gradient stripe */
.word-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-text);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.word-card:hover {
  box-shadow: 0 8px 28px rgba(37,99,235,.13), 0 2px 8px rgba(15,23,42,.06);
  transform: translateY(-3px);
  border-color: transparent;
}

/* Image area — always visible, square */
.word-card__img-wrap {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg);
  aspect-ratio: 1 / 1;
  position: relative;
  border: 1px solid rgba(15,23,42,.05);
}
.word-card__img-wrap.img-loading {
  background: linear-gradient(90deg, #f1f5f9 25%, #e8edf5 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.word-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity var(--t-base);
}
.word-card__img.loaded { opacity: 1; }
.word-card__img-placeholder {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--c-border);
}

/* Word + pronunciation row */
.word-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
}
.word-card__left { flex: 1; min-width: 0; }
.word-card__word {
  font-size: var(--fs-xl);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.word-card__pos {
  display: inline-block;
  font-size: var(--fs-xs);
  font-style: italic;
  color: var(--c-text-3);
  -webkit-text-fill-color: var(--c-text-3);
  margin-top: 2px;
}
.word-card__phonetic {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--c-text-2);
  margin-top: var(--sp-2);
  display: inline-block;
  padding: 3px var(--sp-3);
  border-radius: var(--r-full);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  letter-spacing: .01em;
}

/* TTS Button */
.word-card__tts-btn {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-primary-pale);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid rgba(37,99,235,.15);
  cursor: pointer;
  transition: all var(--t-spring);
  position: relative;
}
.word-card__tts-btn:hover {
  background: var(--grad-card);
  color: #fff;
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: var(--shadow-blue);
}
.word-card__tts-btn.playing {
  background: var(--grad-card);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-blue);
  animation: pulse-ring 1.2s ease infinite;
}
.word-card__tts-btn .spinner {
  border-color: rgba(37,99,235,.2);
  border-top-color: var(--c-primary);
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(37,99,235,.5); }
  70%  { box-shadow: 0 0 0 10px rgba(37,99,235,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); }
}

/* Definitions */
.word-card__defs {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  background: #FAFBFF;
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid rgba(37,99,235,.06);
}
.word-card__def-row {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
}
.word-card__def-lang {
  flex-shrink: 0;
  width: 26px; height: 16px;
  border-radius: 3px;
  font-size: 8px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 3px;
}
.lang-en { background: #DBEAFE; color: #1D4ED8; }
.lang-uz { background: #DCFCE7; color: #15803D; }
.lang-ru { background: #FEF3C7; color: #B45309; }
.word-card__def-text {
  font-size: var(--fs-sm);
  color: var(--c-text);
  line-height: 1.6;
}

/* Example */
.word-card__example {
  border-top: 1px solid var(--c-border-light);
  padding-top: var(--sp-3);
}
.word-card__example-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--c-text-3);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: var(--sp-1);
}
.word-card__example-text {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  font-style: italic;
  line-height: 1.55;
}

/* TTS key notice */
.tts-key-notice {
  font-size: var(--fs-xs);
  color: var(--c-text-3);
  margin-top: var(--sp-2);
  line-height: 1.5;
}