/* === Live ISS crew mission‑time counter ================================ */
(() => {
	const elems = document.querySelectorAll('.time-in-space');
	if (!elems.length) return;

	const format = (totalSec, withSec) => {
		const d = Math.floor(totalSec / 86400);
		const h = Math.floor((totalSec % 86400) / 3600);
		const m = Math.floor((totalSec % 3600) / 60);
		const s = totalSec % 60;
		return withSec ? `${d}d ${h}h ${m}m ${s}s`
		               : `${d}d ${h}h ${m}m`;
	};

	const update = () => {
		const nowUtcSec = Math.floor(Date.now() / 1000);
		const showSecs = window.innerWidth >= 768;
		elems.forEach(el => {
			const launched = Number(el.dataset.launched);
			if (!launched || isNaN(launched)) {
				el.textContent = '—';
				return;
			}
			if (launched > nowUtcSec) {
				el.textContent = 'Not yet launched';
				return;
			}
			const diff = nowUtcSec - launched;
			el.textContent = format(diff, showSecs);
		});
	};

	update();
	setInterval(update, 1000);
})();