/* components/atoms/button.css — átomo Button (A02). */

.cmp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border, #d1d5db);
  background: var(--surface-card, #ffffff);
  color: var(--text, inherit);
  border-radius: var(--radius-sm, 6px);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.05s;
}

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

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

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

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

/* ── Tamanhos ─────────────────────────────────────────────── */
.cmp-button--sm { padding: 4px 10px;  font-size: 12px; min-height: 26px; }
.cmp-button--md { padding: 6px 14px;  font-size: 13px; min-height: 32px; }
.cmp-button--lg { padding: 10px 20px; font-size: 14px; min-height: 40px; }

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

/* default — herda do bloco base */

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

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

.cmp-button--danger {
  background: var(--danger, #dc2626);
  border-color: var(--danger, #dc2626);
  color: #ffffff;
}
.cmp-button--danger:hover:not(:disabled) {
  background: var(--danger-hover, #b91c1c);
  border-color: var(--danger-hover, #b91c1c);
}

.cmp-button--link {
  background: transparent;
  border-color: transparent;
  color: var(--accent, #2563eb);
  padding-left: 4px;
  padding-right: 4px;
}
.cmp-button--link:hover:not(:disabled) {
  text-decoration: underline;
  border-color: transparent;
}

/* ── Sub-elementos ────────────────────────────────────────── */
.cmp-button__label { line-height: 1; }
.cmp-button__icon  { display: inline-block; }