// ==UserScript==
    // @name        ycombinator
    // @namespace   Violentmonkey Scripts
    // @match       https://news.ycombinator.com/*
    // @grant       GM_addStyle
    // @version     1.0
    // @author      -
    // @description 10/5/2022, 6:35:39 PM
    // ==/UserScript==

    GM_addStyle(`
      .pagetop { color: #fff }
      body .title { font: 19px/1.5 sans-serif }
      body a, body a:link { color: #222 }
      body .comhead { font-size: 16px; font-style: italic }
      body .title .rank { color: #aaa; font-size: 14px }
      body .subtext { font-size: 16px; padding: 4px 0 6px 19px }
      .c00, .c00 a:link { color: #444 } body .comment { font: 16px/1.45 sans-serif; max-width: none }
      body span.pagetop a, body span.pagetop a:visited { color: #fff }
      body tr.athing:not(.comtr):nth-child(even) { background: linear-gradient(#f4f4f4, #eee, #f4f4f4) }
      body tr.athing > td { padding: 5px 10px 5px 1px }
      body tr.athing > td.votelinks { padding-right: 5px }
      td.zoom { font-weight: 700; color: #fff; width: 32px }
      td.zoom > span { cursor: pointer; font-size: 1.5rem }
      div.toptext { font-size: 17px; color: #333 }
      span.number-of-comments { font-size: 18px; color: #666 }
    `);

    const t = document.getElementById('hnmain');
    if (t != null) {
      t.removeAttribute('bgcolor');
      t.removeAttribute('width');
      t.parentNode.removeChild(t);
      document.body.prepend(t);
    }

    const spanPagetop = document.querySelector('td span.pagetop');
    if (spanPagetop) {
      const tr = spanPagetop.parentElement.parentElement;
      tr.insertAdjacentHTML('afterbegin', `
        <td class="zoom"><span onclick="zoomIn(); return false">+</span></td>
        <td class="zoom"><span onclick="zoomOut(); return false">-</span></td>
      `);
    }

    setTimeout(function() {
      while (true) {
        const td = document.querySelector('tr:not([id]) > td.subtext');
        if (td == null) {
          break;
        }

        const tr = td.parentElement;
        const previousTr = tr.previousElementSibling;
        if (previousTr != null) {
          tr.parentElement.removeChild(tr);
          previousTr.append(td);
        } else {
          break;
        }
      }

      while (true) {
        const tr = document.querySelector('tr.spacer');
        if (tr == null) {
          break;
        }
        tr.parentElement.removeChild(tr);
      }

      document.querySelectorAll('td.title[valign="top"]').forEach(td => td.setAttribute('valign', 'middle'));

      document.querySelectorAll('table > tbody > tr:has(> td + td + td + td) + tr + tr > td[colspan="2"]:first-child + td:last-child').forEach(td => {
        td.setAttribute('colspan', '2');
      });

      document.querySelectorAll('a[href^="item?id="]').forEach(a => {
        const arr = a.innerHTML.split('&nbsp;');
        if (arr.length == 2) {
          a.innerHTML = `<span class="number-of-comments">${arr[0]}</span> ${arr[1]}`;
        }
      });
    }, 419);

    const myScript = document.createElement('script');
    myScript.innerHTML = `
      const FONT_SIZE_THRESHOLD = 26.9;
      function zoomIn() {
        const bodyTitle = document.querySelector('body .title');
        if (bodyTitle) {
          const newFontSize = parseFloat(getComputedStyle(bodyTitle).getPropertyValue('font-size').replace('px', '')) + 1;
          document.querySelectorAll('body .title').forEach(t => {
            t.style.fontSize = newFontSize + 'px';
            if (newFontSize > FONT_SIZE_THRESHOLD) t.style.fontWeight = 300;
          });
        }
        const bodyComment = document.querySelector('body .comment');
        if (bodyComment) {
          const newFontSize = parseFloat(getComputedStyle(bodyComment).getPropertyValue('font-size').replace('px', '')) + 1;
          document.querySelectorAll('body .comment').forEach(t => {
            t.style.fontSize = newFontSize + 'px';
            if (newFontSize > FONT_SIZE_THRESHOLD) t.style.fontWeight = 300;
          });
        }
      }

      function zoomOut() {
        const bodyTitle = document.querySelector('body .title');
        if (bodyTitle) {
          const newFontSize = parseFloat(getComputedStyle(bodyTitle).getPropertyValue('font-size').replace('px', '')) - 1;
          if (newFontSize > 12) document.querySelectorAll('body .title').forEach(t => {
            t.style.fontSize = newFontSize + 'px';
            if (newFontSize < FONT_SIZE_THRESHOLD) t.style.fontWeight = 400;
          });
        }
        const bodyComment = document.querySelector('body .comment');
        if (bodyComment) {
          const newFontSize = parseFloat(getComputedStyle(bodyComment).getPropertyValue('font-size').replace('px', '')) - 1;
          if (newFontSize > 12) document.querySelectorAll('body .comment').forEach(t => {
            t.style.fontSize = newFontSize + 'px';
            if (newFontSize < FONT_SIZE_THRESHOLD) t.style.fontWeight = 400;
          });
        }
      }
    `;
    document.head.appendChild(myScript);