/* ==========================================================================
   Inspera Assessment IELTS Matching Headings Design System
   Exact 1:1 Inspera exam fidelity • Clean tactile mechanics • Taste-Skill
   ========================================================================== */

/* -------------------------------------------------------------
   1. Passage Drop Gaps (Left Pane)
   ------------------------------------------------------------- */
.inspera-dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 680px;
  min-height: 32px;
  margin: 1.25rem 0 0.75rem 0;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  user-select: none;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: 1px dashed #94a3b8;
  background: rgba(248, 250, 252, 0.8);
}

/* Empty Active (Current / Focused) Gap */
.inspera-dropzone.active,
.inspera-dropzone:first-of-type:not(.populated) {
  border: 1.6px dashed #418ec8;
  background: #ffffff;
}

/* Drag Over / Target State */
.inspera-dropzone.drag-over {
  border: 2px dashed #2563eb !important;
  background: #eff6ff !important;
  transform: scale(1.008);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Click-to-Place Target Highlight */
.inspera-dropzone.awaiting-placement {
  border: 1.8px dashed #2563eb !important;
  background: #eff6ff !important;
  animation: insperaPulse 1.8s infinite;
  cursor: pointer;
}

@keyframes insperaPulse {
  0%, 100% { border-color: #2563eb; background-color: #eff6ff; }
  50% { border-color: #60a5fa; background-color: #f8fafc; }
}

/* Empty Question Number Badge */
.inspera-gap-number {
  font-size: 0.875rem;
  font-weight: 700;
  color: #475569;
  letter-spacing: 0.02em;
  pointer-events: none;
}
.inspera-dropzone.active .inspera-gap-number {
  color: #1d4ed8;
}

/* Populated / Filled Gap */
.inspera-dropzone.populated {
  border: 1.6px solid #418ec8;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  cursor: grab;
  justify-content: space-between;
  padding: 0.25rem 0.6rem;
}
.inspera-dropzone.populated:active {
  cursor: grabbing;
}

.inspera-placed-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  min-width: 0;
}

.inspera-placed-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  flex: 1;
  white-space: normal;
  word-break: break-word;
}

/* Gap Return / Remove Button */
.inspera-gap-remove-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 9999px;
  border: none;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  padding: 0;
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s ease;
  opacity: 0;
  flex-shrink: 0;
  margin-left: 0.25rem;
}
.inspera-dropzone.populated:hover .inspera-gap-remove-btn {
  opacity: 1;
}
.inspera-gap-remove-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}

/* -------------------------------------------------------------
   2. List of Headings Bank (Right Pane)
   ------------------------------------------------------------- */
.inspera-headings-wrapper {
  margin-bottom: 1.5rem;
}

.inspera-bank-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.inspera-bank-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #f1f5f9;
}

.inspera-bank-title {
  font-size: 0.9375rem;
  font-weight: 800;
  color: #0f172a;
  text-transform: none;
  letter-spacing: -0.01em;
  margin: 0;
}

.inspera-bank-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 0.375rem;
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #dbeafe;
}

.inspera-tokens-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.375rem;
  border-radius: 0.5rem;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  transition: background 0.15s ease;
}

.inspera-tokens-container.drag-over {
  background: #f1f5f9;
  border-color: #94a3b8;
}

/* Empty Bank State */
.inspera-bank-empty-message {
  text-align: center;
  padding: 1rem;
  font-size: 0.8125rem;
  font-style: italic;
  color: #94a3b8;
}

/* -------------------------------------------------------------
   3. Draggable Heading Cards / Tokens
   ------------------------------------------------------------- */
.inspera-heading-token {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.45rem 0.75rem;
  background: #ffffff;
  border: 0.8px solid #919191;
  border-radius: 4px;
  font-family: 'Inter', system-ui, sans-serif;
  color: #0f172a;
  cursor: grab;
  user-select: none;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.inspera-heading-token:hover {
  border-color: #418ec8;
  background: #ffffff;
  box-shadow: 0 2px 4px rgba(65, 142, 200, 0.12);
  transform: translateY(-1px);
}

.inspera-heading-token:active {
  cursor: grabbing;
}

.inspera-heading-token.is-dragging {
  opacity: 0.35;
  border-style: dashed;
  background: #f1f5f9;
  transform: scale(0.98);
}

/* Click-to-Place Active Selection */
.inspera-heading-token.selected-for-place {
  border: 2px solid #2563eb !important;
  background: #eff6ff !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18) !important;
  transform: translateY(-1px);
}

.inspera-token-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  min-width: 1.25rem;
  flex-shrink: 0;
}

.inspera-token-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  flex: 1;
}

/* -------------------------------------------------------------
   4. Questions Summary Row (Questions in Right Pane)
   ------------------------------------------------------------- */
.inspera-question-summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 1rem;
}

.inspera-question-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0.875rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: border-color 0.15s ease;
}

.inspera-question-row.has-answer {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.inspera-question-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #1e293b;
}

.inspera-question-status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 0.375rem;
  background: #f1f5f9;
  color: #64748b;
}
.inspera-hidden-select,
.inspera-question-row select,
.inspera-matching-section select,
.inspera-bank-card ~ * select.inspera-hidden-select,
.q-section-card:has(.inspera-bank-card) .inspera-question-row select {
  display: none !important;
}

.academic-table-wrap:has(.inspera-bank-card) {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

/* -------------------------------------------------------------
   5. Scored / Review States (After Check Answers)
   ------------------------------------------------------------- */
.inspera-dropzone.is-correct {
  border: 2px solid #16a34a !important;
  background: #f0fdf4 !important;
  box-shadow: 0 0 0 1px #16a34a, 0 2px 4px rgba(22, 163, 74, 0.1) !important;
}
.inspera-dropzone.is-correct .inspera-placed-text {
  color: #14532d !important;
}

.inspera-dropzone.is-incorrect {
  border: 2px solid #dc2626 !important;
  background: #fef2f2 !important;
  box-shadow: 0 0 0 1px #dc2626, 0 2px 4px rgba(220, 38, 38, 0.1) !important;
}
.inspera-dropzone.is-incorrect .inspera-placed-text {
  color: #7f1d1d !important;
  text-decoration: line-through;
  opacity: 0.8;
}

/* Review Badge */
.inspera-review-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  flex-shrink: 0;
  margin-left: 0.5rem;
}
.inspera-dropzone.is-correct .inspera-review-badge {
  background: #dcfce7;
  color: #15803d;
}
.inspera-dropzone.is-incorrect .inspera-review-badge {
  background: #fee2e2;
  color: #b91c1c;
}

/* Correct Answer Inline Helper */
.inspera-correct-answer-hint {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #15803d;
  background: #dcfce7;
  border: 1px solid #bbf7d0;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  margin-top: 0.35rem;
  width: 100%;
}

/* -------------------------------------------------------------
   6. Touch / Mobile Optimizations
   ------------------------------------------------------------- */
@media (max-width: 768px) {
  .inspera-dropzone {
    max-width: 100%;
    min-height: 38px;
    margin: 1rem 0 0.5rem 0;
  }
  .inspera-heading-token {
    padding: 0.6rem 0.75rem;
  }
}