:root {
  --button-primary: var(--accent, #147a6f);
  --button-primary-hover: var(--accent-hover, #0f685f);
  --button-primary-pressed: var(--accent-pressed, #0b574f);
  --button-secondary: var(--panel, #ffffff);
  --button-secondary-hover: #f8fafb;
  --button-secondary-pressed: #eef2f5;
  --button-border: var(--line, #d8dee7);
  --button-border-hover: #c7d0dc;
  --button-text: var(--text, #172033);
  --button-muted: var(--muted, #687386);
  --button-danger: var(--danger, #b42318);
  --button-danger-soft: var(--danger-soft, #fef3f2);
  --button-danger-hover: #fee4e2;
  --button-focus-ring: rgba(var(--accent-rgb), .24);
}

.ui-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--button-border);
  border-radius: var(--radius);
  background: var(--button-secondary);
  color: var(--button-text);
  box-shadow: none;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    color 140ms ease,
    transform 80ms ease;
}

.ui-button--compact {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 12px;
}

.ui-button--large {
  min-height: 44px;
  padding: 11px 18px;
}

.ui-button--icon {
  width: 40px;
  min-width: 40px;
  min-height: 40px;
  flex: 0 0 40px;
  padding: 0;
}

.ui-button--icon svg {
  width: 18px;
  height: 18px;
}

.ui-button--block {
  width: 100%;
}

.ui-button--primary {
  border-color: var(--button-primary);
  background: var(--button-primary);
  color: #ffffff;
}

.ui-button--secondary {
  border-color: var(--button-border);
  background: var(--button-secondary);
  color: var(--button-text);
}

.ui-button--tertiary {
  border-color: transparent;
  background: transparent;
  color: var(--button-muted);
}

.ui-button--danger {
  border-color: #f0b9b5;
  background: var(--button-danger-soft);
  color: var(--button-danger);
}

.ui-button--primary:not(:disabled):hover {
  border-color: var(--button-primary-hover);
  background: var(--button-primary-hover);
}

.ui-button--secondary:not(:disabled):hover {
  border-color: var(--button-border-hover);
  background: var(--button-secondary-hover);
}

.ui-button--tertiary:not(:disabled):hover {
  background: var(--button-secondary-pressed);
  color: var(--button-text);
}

.ui-button--danger:not(:disabled):hover {
  border-color: #e69b95;
  background: var(--button-danger-hover);
}

.ui-button--primary:not(:disabled):active {
  border-color: var(--button-primary-pressed);
  background: var(--button-primary-pressed);
}

.ui-button--secondary:not(:disabled):active,
.ui-button--tertiary:not(:disabled):active {
  border-color: var(--button-border-hover);
  background: var(--button-secondary-pressed);
}

.ui-button--danger:not(:disabled):active {
  border-color: var(--button-danger);
  background: #fdd8d5;
}

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

:where(button, .link-button):focus-visible,
.ui-button:focus-visible {
  outline: 3px solid var(--button-focus-ring);
  outline-offset: 2px;
}

.ui-button:disabled,
.ui-button[aria-disabled="true"] {
  opacity: .56;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.ui-button[aria-busy="true"] {
  cursor: progress;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .ui-button {
    transition: none;
  }
}