/* =========================================================
   MKS Education — IELTS Vocabulary LMS Add-on
   Scope: use with <div class="mks-ielts-listening mks-ielts-vocab"
   This add-on extends /wp-content/mks/lis.css.
   It does not style the rest of WordPress.
   ========================================================= */

.mks-ielts-vocab {
  --mks-vocab-indigo: #4f46e5;
  --mks-vocab-indigo-dark: #3730a3;
  --mks-vocab-indigo-soft: #eef2ff;
  --mks-vocab-teal: #0f766e;
  --mks-vocab-teal-soft: #ecfdf5;
  --mks-vocab-gold: #a16207;
  --mks-vocab-gold-soft: #fefce8;
  --mks-vocab-slate: #475569;
  --mks-vocab-slate-soft: #f8fafc;
}

/* ---------- Vocabulary Dashboard ---------- */
.mks-ielts-vocab .mks-vocab-dashboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.mks-ielts-vocab .mks-vocab-metric {
  padding: 18px;
  border: 1px solid var(--mks-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--mks-shadow);
}

.mks-ielts-vocab .mks-vocab-metric-value {
  display: block;
  color: var(--mks-vocab-indigo);
  font-size: 1.65rem;
  font-weight: 850;
  line-height: 1.1;
}

.mks-ielts-vocab .mks-vocab-metric-label {
  display: block;
  margin-top: 7px;
  color: var(--mks-muted);
  font-size: .86rem;
  font-weight: 750;
}

/* ---------- Search / Filters ---------- */
.mks-ielts-vocab .mks-vocab-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(3, minmax(140px, 1fr)) auto;
  gap: 12px;
  align-items: end;
  padding: 18px;
  border: 1px solid var(--mks-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--mks-shadow);
}

.mks-ielts-vocab .mks-vocab-field {
  display: grid;
  gap: 6px;
}

.mks-ielts-vocab .mks-vocab-field label {
  color: var(--mks-slate);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.mks-ielts-vocab .mks-vocab-input,
.mks-ielts-vocab .mks-vocab-select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--mks-border);
  border-radius: 10px;
  background: #fff;
  color: var(--mks-ink);
  font: inherit;
}

.mks-ielts-vocab .mks-vocab-input:focus,
.mks-ielts-vocab .mks-vocab-select:focus {
  outline: 3px solid rgba(79, 70, 229, .16);
  border-color: var(--mks-vocab-indigo);
}

.mks-ielts-vocab .mks-vocab-results-summary {
  margin: 12px 0 0;
  color: var(--mks-muted);
  font-size: .92rem;
  font-weight: 700;
}

/* ---------- Word Cards ---------- */
.mks-ielts-vocab .mks-vocab-word-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mks-ielts-vocab .mks-vocab-word-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--mks-border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--mks-shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.mks-ielts-vocab .mks-vocab-word-card:hover {
  transform: translateY(-2px);
  border-color: #c7d2fe;
  box-shadow: var(--mks-shadow-hover);
}

.mks-ielts-vocab .mks-vocab-word-card.is-saved {
  border-color: var(--mks-vocab-teal);
  box-shadow: 0 10px 24px rgba(15, 118, 110, .12);
}

.mks-ielts-vocab .mks-vocab-word-card[hidden] {
  display: none !important;
}

.mks-ielts-vocab .mks-vocab-word-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
}

.mks-ielts-vocab .mks-vocab-word-title {
  margin: 0;
  color: var(--mks-vocab-indigo-dark);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 850;
  line-height: 1.15;
}

.mks-ielts-vocab .mks-vocab-pronunciation {
  margin: 6px 0 0;
  color: var(--mks-muted);
  font-size: .9rem;
  font-style: italic;
}

.mks-ielts-vocab .mks-vocab-save {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid #c7d2fe;
  border-radius: 9px;
  background: var(--mks-vocab-indigo-soft);
  color: var(--mks-vocab-indigo-dark);
  font: inherit;
  font-size: .8rem;
  font-weight: 850;
  cursor: pointer;
}

.mks-ielts-vocab .mks-vocab-save:hover,
.mks-ielts-vocab .mks-vocab-save[aria-pressed="true"] {
  border-color: var(--mks-vocab-teal);
  background: var(--mks-vocab-teal-soft);
  color: var(--mks-vocab-teal);
}

.mks-ielts-vocab .mks-vocab-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0;
}

.mks-ielts-vocab .mks-vocab-badge {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--mks-vocab-slate);
  font-size: .72rem;
  font-weight: 800;
}

.mks-ielts-vocab .mks-vocab-badge--band {
  background: var(--mks-vocab-indigo-soft);
  color: var(--mks-vocab-indigo-dark);
}

.mks-ielts-vocab .mks-vocab-badge--skill {
  background: var(--mks-vocab-teal-soft);
  color: var(--mks-vocab-teal);
}

.mks-ielts-vocab .mks-vocab-nepali {
  margin: 14px 0;
  padding: 13px 14px;
  border-left: 4px solid var(--mks-vocab-indigo);
  border-radius: 10px;
  background: var(--mks-vocab-indigo-soft);
  color: #312e81;
  font-weight: 750;
}

.mks-ielts-vocab .mks-vocab-nepali strong {
  color: #312e81;
}

.mks-ielts-vocab .mks-vocab-meta {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px 12px;
  margin: 16px 0;
  padding: 14px;
  border-radius: 12px;
  background: var(--mks-vocab-slate-soft);
  border: 1px solid #e2e8f0;
}

.mks-ielts-vocab .mks-vocab-meta dt {
  color: var(--mks-slate);
  font-size: .8rem;
  font-weight: 850;
}

.mks-ielts-vocab .mks-vocab-meta dd {
  margin: 0;
  color: var(--mks-ink);
  font-size: .92rem;
}

.mks-ielts-vocab .mks-vocab-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.mks-ielts-vocab .mks-vocab-chip {
  padding: 6px 9px;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: .8rem;
  font-weight: 750;
}

.mks-ielts-vocab .mks-vocab-example-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.mks-ielts-vocab .mks-vocab-example {
  padding: 12px 13px;
  border-radius: 10px;
  background: #fafafa;
  border: 1px solid #eceff3;
}

.mks-ielts-vocab .mks-vocab-example-label {
  display: block;
  margin-bottom: 5px;
  color: var(--mks-vocab-indigo);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.mks-ielts-vocab .mks-vocab-mistake {
  margin-top: 15px;
  padding: 13px 14px;
  border-left: 4px solid var(--mks-orange);
  border-radius: 10px;
  background: var(--mks-orange-soft);
  color: #7c3e00;
}

.mks-ielts-vocab .mks-vocab-mistake strong {
  color: #7c3e00;
}

/* ---------- Flashcards ---------- */
.mks-ielts-vocab .mks-vocab-flashcard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.mks-ielts-vocab .mks-flashcard {
  position: relative;
  min-height: 240px;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  perspective: 1100px;
  text-align: left;
}

.mks-ielts-vocab .mks-flashcard-inner {
  position: relative;
  width: 100%;
  min-height: 240px;
  transition: transform .48s ease;
  transform-style: preserve-3d;
}

.mks-ielts-vocab .mks-flashcard.is-flipped .mks-flashcard-inner {
  transform: rotateY(180deg);
}

.mks-ielts-vocab .mks-flashcard-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  border: 1px solid var(--mks-border);
  border-radius: 16px;
  backface-visibility: hidden;
  box-shadow: var(--mks-shadow);
}

.mks-ielts-vocab .mks-flashcard-front {
  background: linear-gradient(135deg, #eef2ff, #ffffff);
  color: var(--mks-vocab-indigo-dark);
}

.mks-ielts-vocab .mks-flashcard-back {
  background: linear-gradient(135deg, #ecfdf5, #ffffff);
  color: #065f46;
  transform: rotateY(180deg);
}

.mks-ielts-vocab .mks-flashcard-kicker {
  margin-bottom: 10px;
  color: var(--mks-muted);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.mks-ielts-vocab .mks-flashcard-word {
  font-size: 1.55rem;
  font-weight: 850;
  line-height: 1.15;
}

.mks-ielts-vocab .mks-flashcard-hint {
  margin-top: 16px;
  color: var(--mks-muted);
  font-size: .85rem;
}

.mks-ielts-vocab .mks-flashcard:focus-visible,
.mks-ielts-vocab .mks-vocab-save:focus-visible,
.mks-ielts-vocab .mks-vocab-tab:focus-visible,
.mks-ielts-vocab .mks-vocab-option:focus-visible {
  outline: 3px solid rgba(79, 70, 229, .35);
  outline-offset: 3px;
}

/* ---------- Tabs ---------- */
.mks-ielts-vocab .mks-vocab-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.mks-ielts-vocab .mks-vocab-tab {
  min-height: 39px;
  padding: 8px 12px;
  border: 1px solid var(--mks-border);
  border-radius: 10px;
  background: #fff;
  color: var(--mks-slate);
  font: inherit;
  font-size: .86rem;
  font-weight: 800;
  cursor: pointer;
}

.mks-ielts-vocab .mks-vocab-tab:hover,
.mks-ielts-vocab .mks-vocab-tab[aria-selected="true"] {
  border-color: var(--mks-vocab-indigo);
  background: var(--mks-vocab-indigo-soft);
  color: var(--mks-vocab-indigo-dark);
}

.mks-ielts-vocab .mks-vocab-tab-panel[hidden] {
  display: none !important;
}

/* ---------- Vocabulary Quizzes ---------- */
.mks-ielts-vocab .mks-vocab-quiz {
  display: grid;
  gap: 14px;
}

.mks-ielts-vocab .mks-vocab-quiz-item {
  padding: 19px;
  border: 1px solid var(--mks-border);
  border-radius: 14px;
  background: #fff;
}

.mks-ielts-vocab .mks-vocab-quiz-question {
  margin: 0 0 12px;
  color: var(--mks-ink);
  font-size: 1.02rem;
  font-weight: 850;
}

.mks-ielts-vocab .mks-vocab-options {
  display: grid;
  gap: 9px;
}

.mks-ielts-vocab .mks-vocab-option {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 11px 12px;
  border: 1px solid var(--mks-border);
  border-radius: 10px;
  background: #fff;
  color: var(--mks-ink);
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease;
}

.mks-ielts-vocab .mks-vocab-option:hover {
  border-color: #c7d2fe;
  background: #f8faff;
}

.mks-ielts-vocab .mks-vocab-option.is-correct {
  border-color: var(--mks-green);
  background: var(--mks-green-soft);
  color: #14532d;
}

.mks-ielts-vocab .mks-vocab-option.is-incorrect {
  border-color: var(--mks-red);
  background: var(--mks-red-soft);
  color: #7f1d1d;
}

.mks-ielts-vocab .mks-vocab-option input {
  margin-top: 4px;
  accent-color: var(--mks-vocab-indigo);
}

.mks-ielts-vocab .mks-vocab-feedback {
  display: none;
  margin-top: 12px;
  padding: 12px 13px;
  border-radius: 10px;
  background: var(--mks-vocab-slate-soft);
  color: var(--mks-slate);
  font-size: .9rem;
}

.mks-ielts-vocab .mks-vocab-quiz-item.is-answered .mks-vocab-feedback {
  display: block;
}

/* ---------- Progress / Saved State ---------- */
.mks-ielts-vocab .mks-vocab-progress-card {
  padding: 18px;
  border: 1px solid #c7d2fe;
  border-radius: 14px;
  background: linear-gradient(135deg, #eef2ff, #ffffff);
}

.mks-ielts-vocab .mks-vocab-progress-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
}

.mks-ielts-vocab .mks-vocab-progress-title {
  color: var(--mks-vocab-indigo-dark);
  font-size: .94rem;
  font-weight: 850;
}

.mks-ielts-vocab .mks-vocab-progress-label {
  color: var(--mks-vocab-indigo);
  font-size: .85rem;
  font-weight: 850;
}

.mks-ielts-vocab .mks-vocab-progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe5f5;
}

.mks-ielts-vocab .mks-vocab-progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mks-vocab-indigo), #818cf8);
  transition: width .24s ease;
}

.mks-ielts-vocab .mks-vocab-complete-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid #dbe4ff;
  color: var(--mks-slate);
  font-size: .9rem;
  font-weight: 750;
}

.mks-ielts-vocab .mks-vocab-complete-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--mks-vocab-indigo);
}

/* ---------- Empty State ---------- */
.mks-ielts-vocab .mks-vocab-empty {
  padding: 30px 20px;
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
  background: #fff;
  color: var(--mks-muted);
  text-align: center;
}

.mks-ielts-vocab .mks-vocab-empty[hidden] {
  display: none !important;
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  .mks-ielts-vocab *,
  .mks-ielts-vocab *::before,
  .mks-ielts-vocab *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .mks-ielts-vocab .mks-vocab-dashboard,
  .mks-ielts-vocab .mks-vocab-flashcard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mks-ielts-vocab .mks-vocab-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mks-ielts-vocab .mks-vocab-toolbar .mks-vocab-search-field {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .mks-ielts-vocab .mks-vocab-word-grid,
  .mks-ielts-vocab .mks-vocab-dashboard,
  .mks-ielts-vocab .mks-vocab-flashcard-grid,
  .mks-ielts-vocab .mks-vocab-toolbar {
    grid-template-columns: 1fr;
  }

  .mks-ielts-vocab .mks-vocab-toolbar .mks-vocab-search-field {
    grid-column: auto;
  }

  .mks-ielts-vocab .mks-vocab-meta {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .mks-ielts-vocab .mks-vocab-meta dt {
    margin-top: 7px;
  }
}


/* =========================================================
   Flashcard layout repair — Version 1.0.1
   The original inner flashcard element is a <span>. These
   explicit block dimensions prevent each letter from wrapping
   into a vertical column inside WordPress/theme CSS.
   ========================================================= */

.mks-ielts-vocab .mks-flashcard {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 240px;
}

.mks-ielts-vocab .mks-flashcard-inner {
  display: block;
  width: 100%;
  min-width: 0;
  height: 240px;
  min-height: 240px;
}

.mks-ielts-vocab .mks-flashcard-face {
  display: flex !important;
  width: 100%;
  height: 100%;
  min-width: 0;
  overflow: hidden;
  white-space: normal !important;
  word-break: normal !important;
  overflow-wrap: break-word;
  writing-mode: horizontal-tb !important;
  text-orientation: mixed !important;
}

.mks-ielts-vocab .mks-flashcard-kicker,
.mks-ielts-vocab .mks-flashcard-word,
.mks-ielts-vocab .mks-flashcard-hint {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  white-space: normal !important;
  word-break: normal !important;
  overflow-wrap: break-word;
  writing-mode: horizontal-tb !important;
  text-orientation: mixed !important;
}

.mks-ielts-vocab .mks-flashcard-word {
  letter-spacing: normal !important;
}