.button {
  box-sizing: border-box;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  padding: 0.66rem 0.95rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease, color 120ms ease;
}

.button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}

.button-primary {
  border-color: var(--primary, var(--green, #694af6));
  background: var(--primary, var(--green, #694af6));
  color: var(--on-primary, #fff);

}

.button-primary:hover:not(:disabled) {
  border-color: var(--primary-dark, var(--green, #543bc5));
  background: var(--primary-dark, var(--green, #543bc5));
  color: var(--on-primary, #fff);
}

.button-secondary {
  border-color: var(--border, var(--line, #dcdfe6));
  background: var(--surface, #fff);
  color: var(--ink, #303133);
}

.button-secondary:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--ink, #303133) 24%, var(--border, var(--line, #dcdfe6)));
  background: var(--surface-soft, #f8fafc);
  color: var(--ink, #303133);
}

.button-ghost {
  border-color: transparent;
  background: var(--surface-raised, var(--surface-soft, #eef2ef));
  color: var(--ink, #303133);
}

.button-ghost:hover:not(:disabled) {
  background: color-mix(in srgb, var(--ink, #303133) 10%, var(--surface-raised, var(--surface-soft, #eef2ef)));
  color: var(--ink, #303133);
}

.button-danger {
  border-color: color-mix(in srgb, var(--danger, #a33232) 42%, var(--border, var(--line, #dcdfe6)));
  background: var(--surface, #fff);
  color: var(--danger, #a33232);
}

.button-danger:hover:not(:disabled) {
  border-color: var(--danger, #a33232);
  background: var(--danger, #a33232);
  color: var(--on-danger, #fff);
}

.button-small {
  min-height: 34px;
  padding: 0.45rem 0.68rem;
  font-size: 0.8rem;
}

.button-menu {
  width: 100%;
  min-height: 36px;
  justify-content: flex-start;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 8px 12px;
  text-align: left;
}

.button-menu:hover,
.button-menu:focus-visible {
  background: var(--surface-raised);
}

.button-menu:focus-visible {
  outline-offset: -2px;
}

.button-inline {
  min-height: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--primary-dark, #543bc5);
  padding: 0.15rem 0;
  box-shadow: none;
  font-size: 0.72rem;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.button-inline:hover:not(:disabled) {
  background: transparent;
  color: var(--primary, #694af6);
}

.button-outline { border-color: var(--primary); background: var(--surface); color: var(--primary); }
.button-outline:hover { background: var(--primary-soft); color: var(--primary-dark); }