/*
 * NEXORA Form Primitives — Cycle 008 / task-006
 * -------------------------------------------------------------------------
 * Field group, labels, text inputs / select / textarea, checkboxes/radios,
 * inline help and error messaging. Bridges the legacy .stack-form markup so
 * existing forms adopt the NEXORA look without per-file edits; loads after
 * application.css.
 */

.nx-field,
.stack-form .field {
  display: flex;
  flex-direction: column;
  gap: var(--nx-space-2);
  margin-bottom: var(--nx-space-4);
}

.nx-label,
.stack-form .field > label:first-child {
  font-size: var(--nx-fs-sm);
  font-weight: 600;
  color: var(--nx-text);
}

.nx-input,
.nx-select,
.nx-textarea,
.stack-form input[type="text"],
.stack-form input[type="email"],
.stack-form input[type="password"],
.stack-form input[type="url"],
.stack-form input[type="number"],
.stack-form input[type="search"],
.stack-form input[type="date"],
.stack-form input[type="datetime-local"],
.stack-form textarea,
.stack-form select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--nx-bg-2);
  color: var(--nx-text);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius);
  font: inherit;
  font-size: var(--nx-fs-sm);
  transition: border-color var(--nx-dur), box-shadow var(--nx-dur);
}
.nx-input::placeholder,
.nx-textarea::placeholder,
.stack-form input::placeholder,
.stack-form textarea::placeholder {
  color: var(--nx-text-dim);
}
.nx-input:focus,
.nx-select:focus,
.nx-textarea:focus,
.stack-form input:focus,
.stack-form textarea:focus,
.stack-form select:focus {
  outline: none;
  border-color: var(--nx-gold);
  box-shadow: 0 0 0 3px var(--nx-gold-dim);
}
.stack-form textarea,
.nx-textarea {
  min-height: 7rem;
  resize: vertical;
}
.nx-input[aria-invalid="true"],
.stack-form .field-invalid input,
.stack-form .field-invalid textarea {
  border-color: var(--nx-danger);
}

/* Inline help + error text */
.nx-help {
  font-size: var(--nx-fs-label);
  color: var(--nx-text-dim);
}
.nx-error,
.field-error,
.stack-form .error {
  font-size: var(--nx-fs-label);
  font-weight: 600;
  color: var(--nx-danger);
}

/* Checkboxes / radios */
.field-inline,
.nx-check {
  flex-direction: row;
  align-items: center;
  gap: var(--nx-space-2);
}
.stack-form input[type="checkbox"],
.stack-form input[type="radio"],
.nx-check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--nx-gold);
}

/* Fieldset */
.checkbox-fieldset,
.nx-fieldset {
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius);
  margin: 0 0 var(--nx-space-4);
  padding: var(--nx-space-3) var(--nx-space-4);
}
.checkbox-fieldset legend,
.nx-fieldset legend {
  padding: 0 var(--nx-space-2);
  color: var(--nx-text-muted);
  font-size: var(--nx-fs-sm);
  font-weight: 600;
}

/* Devise/model error summary */
.nx-form-errors {
  margin: 0 0 var(--nx-space-4);
  padding: var(--nx-space-3) var(--nx-space-4);
  border: 1px solid rgba(255, 76, 76, 0.4);
  background: var(--nx-danger-dim);
  border-radius: var(--nx-radius);
  color: var(--nx-danger);
  font-size: var(--nx-fs-sm);
}
.nx-form-errors ul {
  margin: var(--nx-space-2) 0 0;
  padding-left: 1.2rem;
}