/* Daily Challenge section */
.challenge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.challenge-streak {
  font-size: 13px;
  color: var(--accent);
}

.challenge-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  margin-bottom: 10px;
  transition: opacity 0.3s ease;
}

.challenge-card--easy     { border-left-color: #4ADE80; }
.challenge-card--hard     { border-left-color: var(--accent); }
.challenge-card--legendary { border-left-color: #B57BFF; }

.challenge-card--done {
  opacity: 0.5;
}

.challenge-tier {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin: 0;
}

.challenge-card--easy     .challenge-tier { color: #4ADE80; }
.challenge-card--hard     .challenge-tier { color: var(--accent); }
.challenge-card--legendary .challenge-tier { color: #B57BFF; }

.challenge-desc {
  font-size: 14px;
  color: var(--text-primary);
  margin: 0;
}

.challenge-xp {
  font-size: 12px;
  color: var(--text-secondary);
  align-self: flex-end;
  margin: 0;
}

.challenge-card--done .challenge-xp {
  color: #4ADE80;
}