.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, opacity .18s ease;
}

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

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

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-accent {
  background: #2f6fde;
  color: #ffffff;
}

.btn-accent:hover {
  background: #255cc0;
}

.btn-ghost {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--brand-strong);
  font-weight: 700;
  font-size: 12px;
}

.muted {
  color: var(--ink-soft);
}