.md-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  width: fit-content;
}

/* icons inherit text color */

.md-btn > .md-btn__icon {
  display: inline-flex;
  align-items: center;
  color: inherit;
  font-size: 16px;
  line-height: 1;
}

/* button sizes */

.md-btn.md-btn--sm {
  font-size: 12px;
  line-height: 1.2;
}

.md-btn.md-btn--md {
  font-size: 14px;
  line-height: 1.2;
}

.md-btn.md-btn--lg {
  font-size: 16px;
  line-height: 1.5;
}

.md-btn.md-btn--sm .md-btn__icon {
  font-size: 12px;
}

/* variant - primary */

.md-btn--primary {
  background: var(--md-background-brand);
  color: var(--md-content-primary-inverse);
}

.md-btn--primary:hover:not([disabled]) {
  background: var(--md-background-brand-hover);
}

.md-btn--primary:active:not([disabled]) {
  background: var(--md-background-brand-pressed);
}

/* variant - secondary */

.md-btn--secondary {
  background: var(--md-background-primary);
  color: var(--md-content-secondary);
  border: 1px solid var(--md-border-primary);
}

.md-btn--secondary:hover:not([disabled]) {
  background: var(--md-background-hover);
  color: var(--md-content-primary);
  border: 1px solid var(--md-border-secondary);
}

.md-btn--secondary:active:not([disabled]) {
  background: var(--md-background-pressed);
  color: var(--md-content-primary);
  border: 1px solid var(--md-border-tertiary);
}

/* variant - tertiary */

.md-btn--tertiary {
  background: transparent;
  color: var(--md-content-secondary);
  border: 1px solid transparent;
}

.md-btn--tertiary:hover:not([disabled]) {
  background: var(--md-background-secondary-hover);
  color: var(--md-content-primary);
  border: 1px solid transparent;
}

.md-btn--tertiary:active:not([disabled]) {
  background: var(--md-background-pressed);
  color: var(--md-content-primary);
  border: 1px solid var(--md-border-tertiary);
}

/* state - focus */

.md-btn:focus-visible:not([disabled]) {
  outline: 2px solid var(--md-border-focus);
  outline-offset: 2px;
}

/* state - disabled */

.md-btn[disabled],
.md-btn--primary[disabled] {
  background: var(--md-background-disabled);
  color: var(--md-content-disabled);
  cursor: not-allowed;
}

.md-btn--secondary[disabled] {
  background: var(--md-background-disabled);
  color: var(--md-content-disabled);
  border-color: var(--md-border-disabled);
  cursor: not-allowed;
}

.md-btn--tertiary[disabled] {
  background: transparent;
  cursor:         not-allowed;
}