/*
 * Shipping bar — top banner with milestone progress.
 *
 * Reference: purple band, centred condensed uppercase headline, 8px track
 * (max 400px wide) with three evenly spaced milestone markers and their
 * amounts underneath. Total height ≈ 80px on desktop.
 */
.shipping-bar {
	position: relative;
	z-index: 20; /* milestone tooltips overlay whatever follows the banner */
	background: var(--sb-bg);
	color: var(--sb-text);
	font-family: var(--font-display);
	text-align: center;
	text-transform: uppercase;
	letter-spacing: 0.02em;
}

.shipping-bar__inner {
	max-width: calc(var(--sb-width) + 2 * var(--container-pad));
	margin-inline: auto;
	padding: 8px var(--container-pad) 8px;
}

.shipping-bar__message {
	margin: 0 0 14px;
	font-size: 18px;
	font-weight: 500;
	line-height: 1.2;
}

.shipping-bar__message strong {
	font-weight: 700;
	text-decoration: underline;
	text-decoration-thickness: 1.5px;
	text-underline-offset: 3px;
}

.shipping-bar__track {
	position: relative;
	height: 8px;
	margin: 0 0 22px; /* room for the amounts under the markers */
}

.shipping-bar__rail {
	position: absolute;
	inset: 0;
	overflow: hidden;
	border-radius: 999px;
	background: var(--sb-track);
}

.shipping-bar__fill {
	display: block;
	width: 0;
	height: 100%;
	border-radius: 999px;
	background: var(--sb-fill);
	transition: width 0.6s ease;
}

.shipping-bar__milestones {
	position: absolute;
	inset: 0;
	margin: 0;
	padding: 0;
	list-style: none;
}

.shipping-bar__milestone {
	position: absolute;
	top: 50%;
	display: flex;
	flex-direction: column;
	align-items: center;
	transform: translate(-50%, -50%);
}

.shipping-bar__icon {
	display: grid;
	place-items: center;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--sb-marker);
	color: var(--sb-marker-icon);
	transition: background-color 0.3s ease, color 0.3s ease;
}

.shipping-bar__icon svg {
	width: 13px;
	height: 13px;
}

.shipping-bar__milestone.is-unlocked .shipping-bar__icon {
	background: var(--sb-marker-unlocked);
	color: var(--sb-marker-unlocked-icon);
}

/* Amount under the marker: a button so the tooltip is reachable by keyboard and touch. */
.shipping-bar__amount {
	position: absolute;
	top: 100%;
	margin: 0;
	padding: 4px 4px 2px; /* no gap to the icon, so hover doesn't flicker between them */
	border: 0;
	border-radius: 2px;
	background: none;
	color: inherit;
	font: inherit;
	font-size: 11px;
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0.03em;
	text-transform: inherit;
	white-space: nowrap;
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
}

.shipping-bar__amount:focus {
	outline: none;
}

.shipping-bar__amount:focus-visible {
	outline: 2px solid var(--sb-fill);
	outline-offset: 1px;
}

/* Tooltip: "You're just $X away from unlocking your …" — below the amount,
   arrow pointing up. Shown on hover, keyboard focus, or tap (.is-active). */
.shipping-bar__tooltip {
	position: absolute;
	top: calc(100% + 22px);
	left: 50%;
	z-index: 30;
	width: max-content;
	max-width: min(360px, calc(100vw - 16px));
	padding: 7px 10px;
	border-radius: 6px;
	background: var(--sb-tooltip-bg);
	color: var(--sb-tooltip-text);
	font-size: 11px;
	font-weight: 500;
	line-height: 1.3;
	letter-spacing: 0.03em;
	text-align: center;
	white-space: normal;
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translateX(calc(-50% + var(--sb-tip-shift, 0px))) translateY(-4px);
	transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
}

.shipping-bar__tooltip::before {
	content: "";
	position: absolute;
	bottom: 100%;
	left: calc(50% - var(--sb-tip-shift, 0px));
	border: 5px solid transparent;
	border-bottom-color: var(--sb-tooltip-bg);
	transform: translateX(-50%);
}

.shipping-bar__tooltip strong {
	font-weight: 700;
}

.shipping-bar__milestone:hover .shipping-bar__tooltip,
.shipping-bar__milestone:focus-within .shipping-bar__tooltip,
.shipping-bar__milestone.is-active .shipping-bar__tooltip {
	opacity: 1;
	visibility: visible;
	transform: translateX(calc(-50% + var(--sb-tip-shift, 0px))) translateY(0);
	transition-delay: 0s;
}

@media (max-width: 599px) {
	.shipping-bar__message {
		margin-bottom: 12px;
		font-size: 15px;
	}

	.shipping-bar__track {
		margin-bottom: 20px;
	}

	.shipping-bar__icon {
		width: 20px;
		height: 20px;
	}

	.shipping-bar__icon svg {
		width: 12px;
		height: 12px;
	}

	.shipping-bar__amount {
		font-size: 10px;
	}

	.shipping-bar__tooltip {
		top: calc(100% + 20px);
		font-size: 10px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.shipping-bar__fill,
	.shipping-bar__icon,
	.shipping-bar__tooltip {
		transition: none;
	}
}