/* ============================================================
 * FBG — Componentes
 * NÍVEL 3: tokens de componente + classes.
 * Convenção: .bloco / .bloco--modificador / .bloco__filho / [data-state]
 * ============================================================ */

:root {
  --btn-padding: 10px 24px;          /* §9 */
  --btn-radius: var(--radius-control);
  --card-padding: var(--space-6);
  --card-radius: var(--radius-card);
  --hanko-size: 44px;
  --control-height: 40px;
  --switch-size: 40px;
}

/* --- Botão ---------------------------------------------------
 * §9: mono 12px, letter-spacing 0.03em, raio 4px. */

.fbg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--btn-padding);
  border: var(--border-width, 1px) solid transparent;
  border-radius: var(--btn-radius);
  font-family: var(--font-family-mono);
  font-size: 12px;
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--font-tracking-wide);
  line-height: var(--font-leading-snug);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--motion-base) var(--motion-ease),
    border-color var(--motion-base) var(--motion-ease),
    color var(--motion-base) var(--motion-ease);
}

.fbg-btn--primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
}
.fbg-btn--primary:hover { background: var(--color-primary-hover); }
.fbg-btn--primary:active { background: var(--color-primary-active); }

.fbg-btn--secondary {
  background: transparent;
  color: var(--color-primary-fg);
  border-color: var(--color-primary-fg);
}
.fbg-btn--secondary:hover {
  background: var(--color-primary-subtle);
}

/* O acento é o CTA. §5: "o vermelho só tem força se for raro."
   O auditor reclama se aparecer mais de uma vez por tela. */
.fbg-btn--accent {
  background: var(--color-accent);
  color: var(--text-on-accent);
}
.fbg-btn--accent:hover { background: var(--color-accent-hover); }

.fbg-btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.fbg-btn--ghost:hover { color: var(--text-primary); }

.fbg-btn[disabled],
.fbg-btn[aria-disabled='true'] {
  cursor: not-allowed;
  background: transparent;
  color: var(--color-disabled);
  border-color: var(--border);
}

/* --- Card ----------------------------------------------------
 * §9: borda hairline, raio 12px, jamais sombra decorativa. */

.fbg-card {
  padding: var(--card-padding);
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
}

.fbg-card__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--font-tracking-tight);
  line-height: var(--font-leading-tight);
}

.fbg-card__meta {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  color: var(--text-muted);
}

/* --- Hanko (判子) --------------------------------------------
 * §3: quadrado vermelho pequeno com marca — o carimbo tradicional.
 * É o uso natural do acento carmesim, e o lugar onde o vermelho
 * ganha sentido em vez de virar enfeite. */

.fbg-hanko {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: var(--hanko-size);
  block-size: var(--hanko-size);
  background: var(--color-accent-brand);
  color: var(--color-neutral-0);
  border-radius: var(--radius-control);
  font-family: var(--font-family-jp);
  font-size: calc(var(--hanko-size) * 0.42);
  line-height: 1;
  user-select: none;
}
.fbg-hanko--outline {
  background: transparent;
  color: var(--color-accent-brand);
  border: 2px solid var(--color-accent-brand);
}

/* --- Marca d'água em kanji -----------------------------------
 * §3: caracteres isolados em opacidade 5–8% como textura de fundo.
 * `aria-hidden` no markup: é textura, não conteúdo. */

.fbg-watermark {
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  z-index: 0;
  font-family: var(--font-family-jp);
  font-size: clamp(8rem, 22vw, 20rem);
  line-height: 0.9;
  color: var(--text-primary);
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
}
.fbg-watermark--vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: var(--font-tracking-jp);
}

/* --- Eyebrow bilíngue ----------------------------------------
 * §3: `produto / 製品 01` — mono latina + kanji.
 * Estrutura que codifica informação, não decoração. */

.fbg-eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}
.fbg-eyebrow__jp {
  font-family: var(--font-family-jp);
  text-transform: none;
  letter-spacing: 0.1em;
}
.fbg-eyebrow__num { color: var(--text-secondary); }

/* --- Régua / divisor ------------------------------------------ */

.fbg-rule {
  border: 0;
  border-block-start: 1px solid var(--border);
  margin-block: var(--space-8);
}

/* --- Campo de formulário --------------------------------------- */

.fbg-field { display: grid; gap: var(--space-2); }

.fbg-field__label {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.fbg-input {
  inline-size: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  font-family: inherit;
  font-size: var(--font-size-body);
  transition: border-color var(--motion-base) var(--motion-ease);
}
.fbg-input::placeholder { color: var(--text-muted); }
.fbg-input:hover { border-color: var(--border-interactive); }
.fbg-input[aria-invalid='true'] { border-color: var(--color-accent-fg); }

.fbg-field__error {
  font-size: var(--font-size-caption);
  color: var(--color-accent-fg);
}

/* --- Badge ------------------------------------------------------ */

.fbg-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-control);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  background: var(--color-surface-sunken);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.fbg-badge--accent {
  background: var(--color-accent-subtle);
  color: var(--color-accent-fg);
  border-color: transparent;
}

/* --- Superfície de impacto --------------------------------------
 * §2: isolamento do sujeito — um objeto único, saturado, cercado de
 * escuridão. Ilha de tema escuro dentro de uma página clara. */

.fbg-impact {
  position: relative;
  overflow: hidden;
  background: var(--color-neutral-950);
  color: var(--color-neutral-0);
  border-radius: var(--radius-card);
}

/* ============================================================
 * Primitivas de formulário (§6 — modo uso)
 * Todas nativas, label sempre visível, erro via aria-describedby.
 * ============================================================ */

/* --- Select --------------------------------------------------
 * Chevron de borda, sem ícone (a tipografia carrega o peso, §2). */

.fbg-select__wrap { position: relative; }

.fbg-select__control {
  appearance: none;
  inline-size: 100%;
  padding-inline-end: var(--space-10);
  cursor: pointer;
}

.fbg-select__wrap::after {
  content: '';
  position: absolute;
  inset-inline-end: var(--space-4);
  inset-block-start: 50%;
  inline-size: 8px;
  block-size: 8px;
  border-inline-end: 1.5px solid var(--text-secondary);
  border-block-end: 1.5px solid var(--text-secondary);
  transform: translateY(-50%) rotate(45deg);
  pointer-events: none;
}

/* --- Checkbox ------------------------------------------------ */

.fbg-check {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-primary);
}

.fbg-check__box {
  appearance: none;
  position: relative;
  flex: none;
  inline-size: 18px;
  block-size: 18px;
  margin-block-start: 2px;
  background: var(--color-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  cursor: pointer;
  transition:
    background-color var(--motion-fast) var(--motion-ease),
    border-color var(--motion-fast) var(--motion-ease);
}
.fbg-check__box:hover { border-color: var(--border-interactive); }
.fbg-check__box:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.fbg-check__box:checked::after {
  content: '';
  position: absolute;
  inset-block-start: 3px;
  inset-inline-start: 5px;
  inline-size: 4px;
  block-size: 8px;
  border-inline-end: 2px solid var(--text-on-primary);
  border-block-end: 2px solid var(--text-on-primary);
  transform: rotate(45deg);
}
.fbg-check__box:disabled { cursor: not-allowed; opacity: 0.5; }

.fbg-check__desc {
  display: block;
  font-size: var(--font-size-caption);
  color: var(--text-muted);
}

/* --- RadioGroup ---------------------------------------------- */

.fbg-radio-group {
  display: grid;
  gap: var(--space-3);
  border: 0;
  padding: 0;
  margin: 0;
}
.fbg-radio-group > .fbg-field__label { margin-block-end: var(--space-1); }

.fbg-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-primary);
}

.fbg-radio__dot {
  appearance: none;
  position: relative;
  inline-size: 18px;
  block-size: 18px;
  margin: 0;
  background: var(--color-bg);
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  cursor: pointer;
}
.fbg-radio__dot:hover { border-color: var(--border-interactive); }
.fbg-radio__dot:checked { border-color: var(--color-primary); }
.fbg-radio__dot:checked::after {
  content: '';
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  inline-size: 8px;
  block-size: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  translate: -50% -50%;
}
.fbg-radio__dot:disabled { cursor: not-allowed; opacity: 0.5; }

.fbg-radio__desc {
  display: block;
  font-size: var(--font-size-caption);
  color: var(--text-muted);
}

/* --- Switch -------------------------------------------------- */

.fbg-switch-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  color: var(--text-primary);
}

.fbg-switch {
  appearance: none;
  position: relative;
  inline-size: var(--switch-size);
  block-size: 22px;
  margin: 0;
  background: var(--border-strong);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--motion-base) var(--motion-ease);
}
.fbg-switch::before {
  content: '';
  position: absolute;
  inset-block-start: 2px;
  inset-inline-start: 2px;
  inline-size: 18px;
  block-size: 18px;
  background: var(--color-neutral-0);
  border-radius: 50%;
  transition: translate var(--motion-base) var(--motion-ease);
}
.fbg-switch:checked { background: var(--color-primary); }
.fbg-switch:checked::before { translate: 18px 0; }
.fbg-switch:disabled { cursor: not-allowed; opacity: 0.5; }

/* --- Textarea ------------------------------------------------ */

.fbg-textarea {
  min-block-size: calc(var(--control-height) * 2);
  resize: vertical;
  line-height: var(--font-leading-normal);
}

/* ============================================================
 * Estrutura (§6 — modo uso): dashboard, docs, tabela.
 * ============================================================ */

/* --- Tabs ----------------------------------------------------- */

.fbg-tabs { display: grid; gap: var(--space-4); }

.fbg-tabs__list {
  display: flex;
  gap: var(--space-1);
  border-block-end: 1px solid var(--border);
  overflow-x: auto;
}

.fbg-tabs__tab {
  appearance: none;
  border: 0;
  border-block-end: 2px solid transparent;
  margin-block-end: -1px;
  background: transparent;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
}
.fbg-tabs__tab:hover { color: var(--text-secondary); }
.fbg-tabs__tab[aria-selected='true'] {
  color: var(--text-primary);
  border-block-end-color: var(--color-primary);
}

.fbg-tabs__panel { color: var(--text-secondary); }

/* --- Skeleton -------------------------------------------------
 * Pulso de opacidade — nunca gradiente (wabi-sabi, §3) nem sombra (§9). */

.fbg-skeleton-group { display: grid; gap: var(--space-2); }

.fbg-skeleton {
  display: block;
  inline-size: 100%;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-control);
  animation: fbg-skeleton-pulse var(--motion-slow) var(--motion-ease) infinite;
}

@keyframes fbg-skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* --- Table ----------------------------------------------------- */

.fbg-table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-body);
}

.fbg-table caption {
  text-align: start;
  padding-block-end: var(--space-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.fbg-table th {
  padding: var(--space-2) var(--space-3);
  border-block-end: 1px solid var(--border-strong);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  text-align: start;
  color: var(--text-secondary);
}

.fbg-table td {
  padding: var(--space-3);
  border-block-end: 1px solid var(--border);
  color: var(--text-primary);
}

.fbg-table tbody tr:hover td { background: var(--color-primary-subtle); }

/* --- Paginação ------------------------------------------------- */

.fbg-pagination { display: flex; flex-wrap: wrap; gap: var(--space-1); }

.fbg-pagination__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: var(--control-height);
  block-size: var(--control-height);
  padding-inline: var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  color: var(--text-secondary);
  text-decoration: none;
}
.fbg-pagination__item:hover {
  border-color: var(--border-interactive);
  color: var(--text-primary);
}
.fbg-pagination__item--current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-on-primary);
}

/* ============================================================
 * Interação mínima (§6 — modo uso).
 * ============================================================ */

/* --- Dialog ---------------------------------------------------- */

.fbg-dialog {
  inline-size: min(90vw, 480px);
  padding: 0;
  background: var(--color-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
}
.fbg-dialog::backdrop {
  background: color-mix(in srgb, var(--color-bg) 75%, transparent);
}

.fbg-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-block-end: 1px solid var(--border);
}

.fbg-dialog__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-medium);
}

.fbg-dialog__body { padding: var(--space-6); color: var(--text-secondary); }

/* --- Dropdown -------------------------------------------------- */

.fbg-dropdown { position: relative; display: inline-block; }

.fbg-dropdown__menu {
  position: absolute;
  z-index: 10;
  inset-block-start: calc(100% + var(--space-1));
  inset-inline-start: 0;
  min-inline-size: 180px;
  padding: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
}
.fbg-dropdown__menu[hidden] { display: none; }

.fbg-dropdown__item {
  display: block;
  inline-size: 100%;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text-primary);
  font-size: var(--font-size-body);
  text-align: start;
  text-decoration: none;
  cursor: pointer;
}
.fbg-dropdown__item:hover,
.fbg-dropdown__item:focus-visible { background: var(--color-primary-subtle); }

/* --- Tooltip ---------------------------------------------------
 * CSS-only: aparece em hover e em foco. Sem JS. */

.fbg-tooltip { position: relative; display: inline-flex; }

.fbg-tooltip__tip {
  position: absolute;
  z-index: 10;
  inset-block-end: calc(100% + var(--space-2));
  inset-inline-start: 50%;
  translate: -50% 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wide);
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--motion-fast) var(--motion-ease);
}
.fbg-tooltip:hover .fbg-tooltip__tip,
.fbg-tooltip:focus-within .fbg-tooltip__tip { opacity: 1; }

/* --- Toast -----------------------------------------------------
 * O carmesim como alerta (§5) — e só como alerta. */

.fbg-toast {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--border-strong);
  border-inline-start: 3px solid var(--color-primary);
  border-radius: var(--radius-control);
}
.fbg-toast--accent { border-inline-start-color: var(--color-accent); }

.fbg-toast__title {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-label);
  letter-spacing: var(--font-tracking-wider);
  text-transform: uppercase;
  color: var(--text-primary);
}

.fbg-toast__desc { color: var(--text-secondary); }