/* buttons.css — Componentes de botão premium */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  outline: none;
}

.btn-primary { 
  background: var(--primary); 
  color: var(--primary-fg); 
}
.btn-primary:hover { 
  opacity: 0.9;
  transform: translateY(-1px); 
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface-2);
}

.btn-ghost { 
  color: var(--text-2); 
  border-color: transparent; 
}
.btn-ghost:hover { 
  background: var(--surface-2); 
  color: var(--text); 
}

.btn-danger { 
  background: transparent; 
  color: var(--danger); 
  border-color: var(--danger); 
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-sm { 
  padding: 6px 12px; 
  font-size: 12px; 
}