/* components/atoms/icon-button.css — átomo IconButton (A03). */

.cmp-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border, #d1d5db);
  background: var(--surface-card, #ffffff);
  color: var(--text, inherit);
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
  padding: 0;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.05s;
}

.cmp-icon-button:hover:not(:disabled) {
  border-color: var(--accent, #2563eb);
  color: var(--accent, #2563eb);
}

.cmp-icon-button:active:not(:disabled) {
  transform: translateY(1px);
}

.cmp-icon-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.cmp-icon-button:focus-visible {
  outline: 2px solid var(--accent, #2563eb);
  outline-offset: 2px;
}

/* ── Tamanhos (quadrados) ─────────────────────────────────── */
.cmp-icon-button--sm { width: 26px; height: 26px; }
.cmp-icon-button--md { width: 32px; height: 32px; }
.cmp-icon-button--lg { width: 40px; height: 40px; }

/* ── Variantes ────────────────────────────────────────────── */

.cmp-icon-button--primary {
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
  color: var(--text-on-accent, #ffffff);
}
.cmp-icon-button--primary:hover:not(:disabled) {
  background: var(--accent-hover, #1d4ed8);
  border-color: var(--accent-hover, #1d4ed8);
  color: var(--text-on-accent, #ffffff);
}

.cmp-icon-button--ghost {
  background: transparent;
  border-color: transparent;
}
.cmp-icon-button--ghost:hover:not(:disabled) {
  background: var(--surface-hover, rgba(0,0,0,0.04));
  border-color: transparent;
}

.cmp-icon-button--danger {
  color: var(--danger, #dc2626);
}
.cmp-icon-button--danger:hover:not(:disabled) {
  background: var(--danger, #dc2626);
  border-color: var(--danger, #dc2626);
  color: #ffffff;
}

/* ── Estado ativo (toggle) ────────────────────────────────── */
.cmp-icon-button--active {
  background: var(--accent, #2563eb);
  border-color: var(--accent, #2563eb);
  color: var(--text-on-accent, #ffffff);
}
.cmp-icon-button--active:hover:not(:disabled) {
  background: var(--accent-hover, #1d4ed8);
  border-color: var(--accent-hover, #1d4ed8);
  color: var(--text-on-accent, #ffffff);
}