/**
 * Component: Button
 * Usage: <a class="button"> or <button class="button">. Add "button--ghost"
 * for a low-emphasis outline variant, "button--small" for a tighter size
 * (e.g. inline/secondary actions where the default size is too heavy).
 */

.button {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-4);
	border-radius: var(--radius);
	background: var(--color-primary);
	color: var(--color-paper);
	font-family: var(--font-sans);
	font-weight: 600;
	font-size: var(--font-size-sm);
	text-decoration: none;
	border: 1px solid transparent;
	cursor: pointer;
	transition: background var(--transition-base), color var(--transition-base), transform 100ms ease;
}

.button:hover,
.button:focus-visible {
	background: var(--color-primary-dark);
	color: var(--color-paper);
}

/* Tactile press feedback — a quick, small scale-down distinct from the
   slower hover-color transition above. */
.button:active {
	transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
	.button {
		transition: background var(--transition-base), color var(--transition-base);
	}

	.button:active {
		transform: none;
	}
}

.button--ghost {
	background: transparent;
	color: var(--color-primary);
	border-color: var(--color-primary);
}

.button--ghost:hover,
.button--ghost:focus-visible {
	background: var(--color-primary);
	color: var(--color-paper);
}

.button--pill {
	border-radius: 999px;
	font-size: var(--font-size-sm);
	padding: var(--space-2) var(--space-4);
}

.button--small {
	padding: var(--space-1) var(--space-3);
	font-size: 0.8125rem;
	gap: var(--space-1);
}