/* cz-input — campo escuro com rótulo externo, foco ciano, erro com ícone e texto
   Estrutura: .cz-field > label.cz-field__label + .cz-input + .cz-field__hint | .cz-field__error
   Erro: aria-invalid="true" no campo e aria-describedby apontando para a mensagem */

.cz-field { display: flex; flex-direction: column; gap: var(--cz-space-2); min-width: 0; }

.cz-field__label {
  font-family: var(--cz-font-mono);
  font-size: var(--cz-text-xs);
  letter-spacing: var(--cz-tracking-label);
  text-transform: uppercase;
  color: var(--cz-muted);
}
.cz-field__label .cz-field__req { color: var(--cz-cyan); margin-left: 2px; }

.cz-input {
  width: 100%;
  min-height: 46px;
  padding: var(--cz-space-3) var(--cz-space-4);
  border: var(--cz-stroke) solid var(--cz-border);
  border-radius: var(--cz-radius-sm);
  background: var(--cz-surface-sunken);
  color: var(--cz-text);
  font: inherit;
  font-size: var(--cz-text-md);
  transition: border-color var(--cz-duration-fast) var(--cz-ease), box-shadow var(--cz-duration-base) var(--cz-ease);
}
.cz-input::placeholder { color: var(--cz-faint); }
.cz-input:hover { border-color: var(--cz-border-strong); }
.cz-input:focus,
.cz-input:focus-visible {
  outline: none;
  border-color: var(--cz-cyan);
  box-shadow: 0 0 0 1px var(--cz-cyan), var(--cz-glow);
}
textarea.cz-input { min-height: 110px; resize: vertical; }
select.cz-input {
  appearance: none;
  padding-right: var(--cz-space-12);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--cz-cyan) 50%),
    linear-gradient(135deg, var(--cz-cyan) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
}

.cz-input:disabled { opacity: 0.55; cursor: not-allowed; }

.cz-input[aria-invalid="true"] {
  border-color: var(--cz-danger);
  box-shadow: 0 0 0 1px var(--cz-danger-dim);
}

.cz-field__hint { font-size: var(--cz-text-sm); color: var(--cz-faint); }

.cz-field__error {
  display: flex;
  align-items: center;
  gap: var(--cz-space-2);
  font-size: var(--cz-text-sm);
  color: var(--cz-danger);
}
.cz-field__error::before {
  content: "!";
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 18px;
  height: 18px;
  border: var(--cz-stroke) solid currentColor;
  border-radius: 50%;
  font-family: var(--cz-font-mono);
  font-size: 11px;
  font-weight: 700;
}