// ==UserScript==
// @name         Next Spaceflight Countdown
// @version      1.1
// @description  Adds a countdown timer to upcoming space launches on NextSpaceflight.com
// @match        https://nextspaceflight.com/*
// @grant        none
// @namespace https://greasyfork.org/users/1435046
// ==/UserScript==
(function() {
'use strict';
function updateCountdowns() {
document.querySelectorAll('.mdl-card').forEach(card => {
const timeElement = card.querySelector('.mdl-card__supporting-text span[id^="localized"]');
if (!timeElement) return;
const launchTime = new Date(timeElement.textContent.trim());
if (isNaN(launchTime)) return;
const tagsContainer = card.querySelector('.csscolumns');
if (tagsContainer) {
let countdownTag = tagsContainer.querySelector('.countdown-tag');
if (!countdownTag) {
countdownTag = document.createElement('div');
countdownTag.className = 'countdown-tag';
countdownTag.style.marginTop = '5px';
countdownTag.style.color = 'rgb(209, 205, 199)';
tagsContainer.appendChild(countdownTag);
}
const now = new Date();
let diff = launchTime - now;
const prefix = diff < 0 ? 'T+' : 'T-';
diff = Math.abs(diff);
const days = Math.floor(diff / (1000 * 60 * 60 * 24));
const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
const seconds = Math.floor((diff % (1000 * 60)) / 1000);
countdownTag.textContent = `${prefix}${days}d ${hours}h ${minutes}m ${seconds}s`;
}
});
setTimeout(updateCountdowns, 1000 - new Date().getMilliseconds());
}
updateCountdowns();
})();