.area-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-lg);
  border-radius: var(--r-card);
  background: var(--area-primary);
  color: var(--area-text);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  min-height: 220px;
  justify-content: center;
}

.area-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--area-accent);
  opacity: 1;
}

.area-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--area-accent);
  margin-bottom: var(--sp-md);
}

.area-card__name {
  font-size: 1.5rem;
  margin-bottom: var(--sp-sm);
  color: var(--area-text);
}

.area-card__desc {
  font-size: 0.9rem;
  color: var(--area-text);
  opacity: 0.8;
  margin-bottom: var(--sp-md);
}

.area-card__cta {
  font-weight: 600;
  color: var(--area-accent);
  font-size: 0.875rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--r-btn);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--area-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--area-light);
  color: var(--area-text);
}

.btn-secondary:hover {
  background: var(--area-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--area-accent);
  border: 2px solid var(--area-accent);
}

.btn-ghost:hover {
  background: var(--area-light);
}

.btn-accent {
  background: var(--area-accent);
  color: var(--color-white);
  padding: var(--sp-sm) var(--sp-lg);
  font-size: 1rem;
}

.btn-hint {
  background: var(--color-hint);
  color: var(--color-white);
  margin-top: var(--sp-sm);
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding: var(--sp-md);
  border-radius: var(--r-btn);
  margin-bottom: var(--sp-sm);
  background: var(--color-page-bg);
  border: 2px solid transparent;
}

.opt-correct {
  background: #d4edda;
  border-color: var(--color-correct);
}

.opt-wrong {
  background: #f8d7da;
  border-color: var(--color-wrong);
}

.opt-label {
  font-weight: 700;
  min-width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-text);
  font-size: 0.875rem;
}

.correct-badge {
  background: var(--color-correct);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: auto;
}

.section-title {
  font-size: 1.25rem;
  color: var(--area-text);
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-sm);
  border-bottom: 2px solid var(--area-primary);
}

.expl-header {
  margin-bottom: var(--sp-lg);
}

.expl-context {
  margin-bottom: var(--sp-md);
  padding: var(--sp-md);
  background: var(--area-light);
  border-radius: var(--r-btn);
}

.expl-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.expl-options {
  margin-bottom: var(--sp-lg);
}

.expl-justification,
.expl-distractors {
  margin-bottom: var(--sp-lg);
  padding: var(--sp-md);
  background: var(--color-page-bg);
  border-radius: var(--r-btn);
}

.expl-hints {
  margin-bottom: var(--sp-lg);
  padding: var(--sp-md);
  background: #e8f4fc;
  border-radius: var(--r-btn);
}

.hint-list {
  list-style: disc;
  padding-left: var(--sp-lg);
  margin-bottom: var(--sp-md);
}

.hint-item {
  margin-bottom: var(--sp-sm);
}

.dato-curioso-card {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: #fffde7;
  border-radius: var(--r-btn);
  border-left: 4px solid #fbc02d;
  margin-bottom: var(--sp-lg);
}

.dc-emoji {
  font-size: 1.5rem;
}

.dato-curioso-card p {
  margin: 0;
}

.gls-term {
  border-bottom: 2px dashed var(--area-accent);
  cursor: help;
  position: relative;
}

.gls-term::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: var(--color-white);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  max-width: 260px;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 10;
  visibility: hidden;
}

.gls-term:hover::after,
.gls-term:focus::after {
  opacity: 1;
  visibility: visible;
}

.expl-metadata {
  margin-top: var(--sp-lg);
  padding: var(--sp-md);
  background: var(--color-page-bg);
  border-radius: var(--r-btn);
}

.expl-metadata summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-soft);
}

.expl-metadata dl {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}

.expl-metadata dt {
  font-weight: 600;
  color: var(--area-text);
}

.expl-metadata dd {
  margin: 0;
}

.question-list-item {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md) var(--sp-lg);
  background: var(--color-white);
  border-radius: var(--r-btn);
  margin-bottom: var(--sp-sm);
  transition: all 0.2s;
  border-left: 4px solid var(--area-primary);
}

.question-list-item:hover {
  background: var(--area-light);
  transform: translateX(4px);
}

.qli-id {
  font-weight: 700;
  color: var(--area-accent);
  min-width: 40px;
}

.qli-text {
  flex: 1;
  margin: 0;
  font-size: 0.95rem;
}

.qli-arrow {
  color: var(--area-accent);
  font-size: 1.25rem;
}

.area-list {
  padding: var(--sp-lg) 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-md);
  padding: 16px 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
  border-radius: 16px;
  margin-bottom: var(--sp-lg);
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.filter-bar__label {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.filter-bar__label svg {
  color: #3b82f6;
}

.filter-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}

.filter-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  white-space: nowrap;
}

.filter-select {
  padding: 10px 36px 10px 14px;
  border: 2px solid var(--area-primary);
  border-radius: 10px;
  background: #fff;
  color: var(--area-text);
  font-size: 0.875rem;
  font-family: var(--font-body);
  cursor: pointer;
  min-width: 160px;
  max-width: 160px;
  width: 160px;
  transition: all 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%233498db' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.15);
}

.filter-select:hover {
  border-color: var(--area-accent);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.25);
  transform: translateY(-1px);
}

.filter-select:focus {
  outline: none;
  border-color: var(--area-accent);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2), 0 4px 12px rgba(52, 152, 219, 0.25);
}

.filter-select option {
  white-space: normal;
  padding: 8px;
  background: #fff;
  color: #333;
}

.filter-input {
  padding: 10px 14px;
  border: 2px solid var(--area-primary);
  border-radius: 10px;
  background: #fff;
  color: var(--area-text);
  font-size: 0.875rem;
  font-family: var(--font-body);
  min-width: 200px;
  max-width: 200px;
  width: 200px;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.15);
}

.filter-input:hover {
  border-color: var(--area-accent);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.25);
}

.filter-input:focus {
  outline: none;
  border-color: var(--area-accent);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2), 0 4px 12px rgba(52, 152, 219, 0.25);
}

.filter-input::placeholder {
  color: #999;
}

.filter-clear-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  margin-left: auto;
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  border: none;
  color: #fff;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
}

.filter-clear-btn:hover {
  background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

.filter-clear-btn:active {
  transform: translateY(0);
}

.filter-clear-btn svg {
  width: 16px;
  height: 16px;
}