/* =====================================
   STEPPER (BASE) — WCAG + DARK FIX
===================================== */

.stepper {
  /* Tokens base  */
  --stepper-bg: var(--surface);
  --stepper-border: var(--border-soft);
  --stepper-separator: var(--border-soft);

  --stepper-text: var(--ink-900);
  --stepper-text-muted: var(--ink-500);

  display: inline-flex;
  align-items: stretch;

  /* largura base controlada só pelo conteúdo */
  min-width: 110px;

  border-radius: var(--radius-lg, 12px);
  border: 1px solid var(--stepper-border);
  background: var(--stepper-bg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* --- Botões (+ / -) --- */
.stepper__btn {
  appearance: none;
  border: 0;
  background: transparent;

  /* ✅ WCAG alvo de toque */
  padding: 0;
  min-width: 44px;
  min-height: 44px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  font: inherit;
  font-weight: 600;
  color: var(--stepper-text-muted);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.stepper__btn--minus {
  border-right: 1px solid var(--stepper-separator);
}

.stepper__btn--plus {
  border-left: 1px solid var(--stepper-separator);
}

.stepper__btn:hover {
  background: var(--surface-soft);
  color: var(--stepper-text);
}

.stepper__btn:active { filter: brightness(0.98); }


/* ✅ WCAG: foco visível POR BOTÃO (teclado) */
.stepper__btn:focus-visible {
  outline: none;
  position: relative;
  z-index: 1;
  box-shadow:
    inset 0 0 0 2px var(--primary-500),
    0 0 0 3px color-mix(in srgb, var(--primary-500) 35%, transparent);
}

/* Input central */
.stepper__input {
  /* antes era width fixo */
  width: auto;
  flex: 1 1 auto;      /* ✅ ocupa o espaço livre */
  min-width: 2.6rem;   /* evita ficar demasiado pequeno */

  padding: 0 6px;
  border: 0;
  outline: 0;
  background: transparent;
  text-align: center;

  font: inherit;
  font-weight: 600;
  color: var(--stepper-text);
}


.stepper__input::-webkit-outer-spin-button,
.stepper__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.stepper__input[type="number"] {
  -moz-appearance: textfield;
}

/* Focus no container */
.stepper:focus-within {
  box-shadow:
    0 0 0 1px var(--primary-500),
    0 0 0 3px color-mix(in srgb, var(--primary-500) 15%, transparent);
  border-color: var(--primary-500);
}

/* --- Disabled (sem depender só de opacity) --- */
.stepper.is-disabled {
  opacity: 1;
  pointer-events: none;

  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border-color: var(--border-soft);
}

.stepper.is-disabled .stepper__btn,
.stepper.is-disabled .stepper__input,
.stepper.is-disabled .stepper__unit {
  color: var(--ink-400);
}

.stepper.is-disabled .stepper__btn--minus,
.stepper.is-disabled .stepper__btn--plus {
  border-color: var(--border-soft);
}


/* =====================================
   VARIANTES DE DENSIDADE / ESTILO
===================================== */

/* Compacto */
.stepper--dense {
  border-radius: var(--radius-md, 8px);
}

.stepper--dense .stepper__btn {
  min-width: 44px;
  min-height: 44px;
  font-size: 0.85rem;
}

.stepper--dense .stepper__input {
  width: auto;
  flex: 1 1 auto;
  min-width: 2.1rem;
  font-size: 0.85rem;
}


/* Pill */
.stepper--pill {
  border-radius: 999px;
}


/* Unidade dentro do componente */
.stepper--unit .stepper__unit {
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-left: 1px solid var(--stepper-separator);
  font-size: 0.78rem;
  color: var(--stepper-text-muted);
  text-transform: lowercase;
}


/* Inline (para listas) */
.stepper--inline {
  box-shadow: none;
  border-radius: 999px;
  font-size: 0.85rem;
}

.list-item .stepper--inline {
  margin-left: auto;
}


/* =====================================
   DARK MODE — reforço de contraste
===================================== */
:root[data-theme="dark"] .stepper {
  --stepper-border: rgba(255, 255, 255, 0.18);
  --stepper-separator: rgba(255, 255, 255, 0.22);
}

:root[data-theme="dark"] .stepper__btn {
  color: var(--ink-600);
}

:root[data-theme="dark"] .stepper__btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink-900);
}

:root[data-theme="dark"] .stepper--unit .stepper__unit {
  color: var(--ink-500);
}

/* Disabled no dark (continua legível) */
:root[data-theme="dark"] .stepper.is-disabled {
  background: rgba(255, 255, 255, 0.04);
}

:root[data-theme="dark"] .stepper.is-disabled .stepper__btn,
:root[data-theme="dark"] .stepper.is-disabled .stepper__input,
:root[data-theme="dark"] .stepper.is-disabled .stepper__unit {
  color: var(--ink-500);
}


/* =====================================
   CLASSES DE LARGURA MANUAL (UTILITÁRIAS)
===================================== */
.stepper--w-xs   { width: 100px; }
.stepper--w-sm   { width: 130px; }
.stepper--w-md   { width: 180px; }
.stepper--w-lg   { width: 240px; }
.stepper--w-xl   { width: 300px; }
.stepper--w-full { width: 100%; }