/*
		--- Versionamento ---
		03/09/2025 - César - Primeira Versão - Solicitação 22886
	*/

:root {
  --primary: #4a90e2;
  --secondary: #7f8c8d;
  --success: #27ae60;
  --danger: #e74c3c;
  --warning: #f39c12;
  --info: #1abc9c;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --white: #fff;

  --border-radius: 0.375rem;
  --transition: 0.2s ease-in-out;
}

/* --- Base do Botão --- */
.btn {
  padding: 0.6rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  margin: 0.3rem;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), filter var(--transition);
}

/* --- Estados Interativos --- */
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
  filter: brightness(90%);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(50%);
}

/* --- Botões com Ícones --- */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.btn-icon svg {
  width: 1.1em; 
  height: 1.1em;
  fill: currentColor;
  flex-shrink: 0;
}

/* --- Botões Sólidos --- */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.btn-secondary {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: var(--white);
}

.btn-success {
  background-color: var(--success);
  border-color: var(--success);
  color: var(--white);
}

.btn-danger {
  background-color: var(--danger);
  border-color: var(--danger);
  color: var(--white);
}

.btn-info {
  background-color: var(--info);
  border-color: var(--info);
  color: var(--white);
}

.btn-warning {
  background-color: var(--warning);
  border-color: var(--warning);
  color: var(--dark);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-success:hover,
.btn-danger:hover,
.btn-info:hover,
.btn-warning:hover {
  filter: brightness(110%);
}
.btn-primary:active,
.btn-secondary:active,
.btn-success:active,
.btn-danger:active,
.btn-info:active,
.btn-warning:active {
  transform: translateY(1px);
  filter: brightness(95%);
}


/* --- Botões Vazados (Outline) --- */
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background-color: transparent;
}
.btn-outline-primary:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn-outline-secondary {
  color: var(--secondary);
  border-color: var(--secondary);
  background-color: transparent;
}
.btn-outline-secondary:hover {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-outline-success {
  color: var(--success);
  border-color: var(--success);
  background-color: transparent;
}
.btn-outline-success:hover {
  background-color: var(--success);
  color: var(--white);
}

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

.btn-outline-info {
  color: var(--info);
  border-color: var(--info);
  background-color: transparent;
}
.btn-outline-info:hover {
  background-color: var(--info);
  color: var(--white);
}

.btn-outline-warning {
  color: var(--warning);
  border-color: var(--warning);
  background-color: transparent;
}
.btn-outline-warning:hover {
  background-color: var(--warning);
  color: var(--dark);
}


/* --- Tamanhos --- */
.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: 1.1rem;
}