#mode-dd {
  --dd-paper: #fffaf2;
  --dd-ink: #2c2418;
  --dd-muted: #6f5f4e;
  --dd-border: rgba(110, 84, 54, 0.18);
  --dd-accent: #b86d2d;
  --dd-accent-soft: rgba(184, 109, 45, 0.14);
  --dd-success: #1f7a4d;
  --dd-danger: #9b2f3a;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(184, 109, 45, 0.12), transparent 30%),
    radial-gradient(circle at left bottom, rgba(90, 130, 168, 0.1), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fffdf8 100%);
  padding: 8px 2px 18px;
}

#mode-dd::before {
  display: none;
}

.dd-header-card,
.dd-passage-card,
.dd-word-bank-card,
.dd-results-container {
  border: none;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.dd-result-summary-box {
  border: 1px solid var(--dd-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
}

.dd-header-card {
  padding: 18px 0;
  margin-bottom: 16px;
}

.dd-header-copy h2 {
  margin: 6px 0 8px;
  font-family: 'Lora', serif;
  font-size: 1.6rem;
  line-height: 1.15;
  color: var(--dd-ink);
}

.dd-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dd-accent);
  font-weight: 700;
}

.dd-header-copy p {
  margin: 0;
  color: var(--dd-muted);
  line-height: 1.55;
  max-width: 78ch;
}

.dd-passage-card {
  padding: 24px 0 18px;
  margin-bottom: 16px;
}

.dd-passage {
  font-family: 'Lora', serif;
  color: var(--dd-ink);
  font-size: 1.15rem;
  line-height: 2.3;
}

.dd-blank-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  height: 38px;
  margin: 0 6px;
  vertical-align: middle;
  border-radius: 10px;
  border: 2px dashed rgba(110, 84, 54, 0.35);
  background-color: rgba(248, 239, 226, 0.35);
  transition: all 180ms ease;
  user-select: none;
}

.dd-blank-slot.drag-over {
  border-color: var(--dd-accent);
  background-color: var(--dd-accent-soft);
  transform: scale(1.03);
}

.dd-blank-slot.is-filled {
  border-style: solid;
  border-width: 1px;
  border-color: var(--dd-border);
  background-color: #ffffff;
  box-shadow: 0 4px 10px rgba(42, 31, 18, 0.04);
}

.dd-blank-slot.is-correct {
  border-color: rgba(31, 122, 77, 0.6);
  background-color: #eefaf2;
  color: var(--dd-success);
}

.dd-blank-slot.is-incorrect {
  border-color: rgba(155, 47, 58, 0.65);
  background-color: #fff0f1;
  color: var(--dd-danger);
}

.dd-placed-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--dd-ink);
}

.dd-blank-slot.is-correct .dd-placed-chip {
  color: var(--dd-success);
}

.dd-blank-slot.is-incorrect .dd-placed-chip {
  color: var(--dd-danger);
}

.dd-placed-chip-remove {
  background: none;
  border: none;
  margin-left: 6px;
  cursor: pointer;
  padding: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--dd-muted);
  font-size: 1.15rem;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  transition: all 120ms ease;
  line-height: 1;
}

.dd-placed-chip-remove:hover {
  background-color: rgba(155, 47, 58, 0.1);
  color: var(--dd-danger);
  transform: scale(1.1);
}

.dd-word-bank-card {
  padding: 16px 0;
  margin-bottom: 20px;
}

.dd-card-header {
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(110, 84, 54, 0.08);
}

.dd-word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 56px;
  padding: 12px;
  background: rgba(248, 239, 226, 0.25);
  border-radius: 16px;
  border: 1px dashed rgba(110, 84, 54, 0.15);
}

.dd-option-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--dd-border);
  background-color: #ffffff;
  color: var(--dd-ink);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.96rem;
  cursor: grab;
  user-select: none;
  box-shadow: 0 6px 14px rgba(42, 31, 18, 0.05);
  transition: all 180ms cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.dd-option-chip:active {
  cursor: grabbing;
}

.dd-option-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(42, 31, 18, 0.1);
  border-color: rgba(110, 84, 54, 0.35);
}

.dd-option-chip:focus-visible {
  box-shadow: 0 0 0 3px var(--dd-accent-soft), 0 6px 14px rgba(42, 31, 18, 0.05);
  border-color: var(--dd-accent);
}

.dd-option-chip.is-selected {
  border-color: var(--dd-accent);
  background-color: var(--dd-accent-soft);
  box-shadow: 0 0 0 3px rgba(184, 109, 45, 0.25);
}

.dd-option-chip.is-used {
  opacity: 0.28;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  border-style: dotted;
  transform: none;
}

.dd-option-chip.is-dragging {
  opacity: 0.4;
  border-style: dashed;
}

.dd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.dd-result-summary-box {
  padding: 16px 20px;
  margin-bottom: 18px;
  font-weight: 800;
  font-size: 1.15rem;
}

.dd-result-summary-box.is-perfect {
  color: var(--dd-success);
  border-color: rgba(31, 122, 77, 0.25);
  background-color: rgba(31, 122, 77, 0.06);
}

.dd-result-summary-box.has-misses {
  color: var(--dd-danger);
  border-color: rgba(155, 47, 58, 0.25);
  background-color: rgba(155, 47, 58, 0.06);
}

#dd-explanation-header {
  margin: 28px 0 12px;
  font-family: 'Lora', serif;
  font-size: 1.35rem;
  color: var(--dd-ink);
}

.dd-results-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px 0;
}

.dd-result-card {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(110, 84, 54, 0.12);
  background-color: #ffffff;
  box-shadow: 0 8px 24px rgba(42, 31, 18, 0.02);
}

.dd-result-card.is-correct {
  border-left: 6px solid var(--dd-success);
}

.dd-result-card.is-incorrect {
  border-left: 6px solid var(--dd-danger);
}

.dd-result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(110, 84, 54, 0.06);
}

.dd-result-card-title {
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--dd-ink);
}

.dd-result-card-badge {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.dd-result-card.is-correct .dd-result-card-badge {
  background-color: rgba(31, 122, 77, 0.1);
  color: var(--dd-success);
}

.dd-result-card.is-incorrect .dd-result-card-badge {
  background-color: rgba(155, 47, 58, 0.1);
  color: var(--dd-danger);
}

.dd-result-card-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dd-result-card-answers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.dd-result-card-answer-item {
  padding: 10px 14px;
  border-radius: 10px;
  background-color: rgba(248, 239, 226, 0.45);
  border: 1px solid rgba(110, 84, 54, 0.08);
}

.dd-result-card-answer-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dd-muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.dd-result-card-answer-val {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--dd-ink);
}

.dd-result-card-explanation-box {
  padding-top: 14px;
  border-top: 1px solid rgba(110, 84, 54, 0.05);
}

.dd-result-card-explanation-title {
  font-weight: 700;
  color: var(--dd-ink);
  font-size: 0.96rem;
  margin-bottom: 6px;
}

.dd-result-card-explanation-text {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--dd-muted);
}

.dd-result-card-cues {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.dd-result-card-cue-item {
  background-color: #faf9f6;
  border: 1px solid rgba(110, 84, 54, 0.06);
  padding: 12px;
  border-radius: 12px;
}

.dd-result-card-cue-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dd-accent);
  margin-bottom: 4px;
}

.dd-result-card-cue-text {
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--dd-muted);
}

.dd-result-card-distractor-notes {
  background-color: rgba(155, 47, 58, 0.03);
  border: 1px solid rgba(155, 47, 58, 0.08);
  padding: 12px 16px;
  border-radius: 12px;
}

.dd-result-card-distractor-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dd-danger);
  margin-bottom: 6px;
}

.dd-result-card-distractor-list {
  margin: 0;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--dd-muted);
}

.dd-result-card-distractor-list li {
  margin-bottom: 6px;
}

.dd-result-card-distractor-list li:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .dd-passage {
    font-size: 1.05rem;
    line-height: 2.1;
  }
  .dd-blank-slot {
    min-width: 120px;
    height: 34px;
    margin: 0 4px;
  }
}

@media (max-width: 640px) {
  #mode-dd {
    padding-inline: 0;
  }
  .dd-header-card,
  .dd-passage-card,
  .dd-word-bank-card,
  .dd-result-summary-box,
  .dd-results-container {
    border-radius: 20px;
  }
  .dd-result-card-cues {
    grid-template-columns: 1fr;
  }
}