/* Estilos globales */
body {
  min-height: 100vh;
  background: var(--form-bg);
}

/* Contenedor principal */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Botones */
.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.btn-primary {
  background: var(--button-bg);
  color: var(--button-text);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary-text);
  border: 2px solid var(--button-bg);
}

.btn-secondary:hover {
  background: var(--button-bg);
  color: var(--button-text);
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Inputs */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--primary-text);
}

.form-label.required::after {
  content: ' *';
  color: #dc3545;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--button-bg);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-error {
  color: #dc3545;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: #dc3545;
}

.form-group.error .form-error {
  display: block;
}

/* Radio buttons y checkboxes */
.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.radio-option:hover,
.checkbox-option:hover {
  background: rgba(0, 0, 0, 0.02);
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

/* Utilidades */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}