:root {
  /**
   * Palette
   * Gruvbox dark, medium
   * Dawid Kurek (dawikur@gmail.com), morhetz (https://github.com/morhetz/gruvbox)
   */
  --base00: #282828; /* ---- */
  --base01: #3c3836; /* --- */
  --base02: #504945; /* -- */
  --base03: #665c54; /* - */
  --base04: #bdae93; /* + */
  --base05: #d5c4a1; /* ++ */
  --base06: #ebdbb2; /* +++ */
  --base07: #fbf1c7; /* ++++ */
  --base08: #fb4934; /* red */
  --base09: #fe8019; /* orange */
  --base0A: #fabd2f; /* yellow */
  --base0B: #b8bb26; /* green */
  --base0C: #8ec07c; /* aqua/cyan */
  --base0D: #83a598; /* blue */
  --base0E: #d3869b; /* purple */
  --base0F: #d65d0e; /* brown */

  /**
   * Typograph
   */
  --font-family-default: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell,
    "Helvetica Neue", sans-serif;
  --font-size-scaler: 62.5%; /* 1rem = 10px */
  --font-size-m: 1.4rem;
  --font-size-s: 1.2rem;

  /**
   * Components
   */
  --body-color: var(--base04);
  --body-bg: var(--base00);

  --daily-heading-color: var(--base04);

  --source-name-color: var(--base0A);
  --source-name-hover-color: var(--base0A);

  --article-title-color: var(--base05);
  --article-title-hover-color: var(--base07);
  --article-summary-color: var(--base04);
  --article-summary-hover-color: var(--base07);

  --accordion-content-rail-color: var(--base03);
  --accordion-content-hover-rail-color: var(--base04);
  --accordion-title-marker-color: var(--base03);
  --accordion-title-hover-marker-color: var(--base04);

  --card-shadow: 0px 2px 1px -1px rgb(0 0 0 / 20%), 0px 1px 1px 0px rgb(0 0 0 / 14%), 0px 1px 3px 0px rgb(0 0 0 / 12%);
  --card-bg: var(--base01);
  --card-radius: 4px;

  --footer-color: var(--base04);
  --footer-link-hover-color: var(--base07);
}

/**
 * Internals below
 *
 * If you can't create a specific look and feel with the configuration above,
 * you might have reached the customization limit of the template.
 *
 * Options:
 * 1. File an issue with the template.
 * 2. Target specific elements and write your own CSS. A future change in HTML may break your style.
 * 3. (Coming soon...) Write your own template with Template Extensibility API.
 */
html {
  font-size: var(--font-size-scaler);
}

body {
  background-color: var(--body-bg);
  font-family: var(--font-family-default);
  color: var(--body-color);
  margin: 0;
  gap: 24px;
  padding: 16px;
  display: grid;
}

:not(:focus-visible) {
  outline: none;
}

.card {
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  background: var(--card-bg);
}

.sources {
  padding: 12px 16px;
  list-style: none;
  margin: 0;
  display: grid;
  gap: 16px;
}

.daily-heading {
  font-size: var(--font-size-s);
  font-weight: 600;
  margin: 0 0 8px 0;
  padding-left: 16px;
  color: var(--daily-heading-color);
}

.source {
  display: grid;
  gap: 4px;
}

.source-name {
  font-size: var(--font-size-s);
  font-weight: 400;
  margin: 0;
}
.source-name__link {
  color: var(--source-name-color);
  text-decoration: none;
}
.source-name__link:hover {
  color: var(--source-name-hover-color);
  text-decoration: underline;
}

.article-expander {
  padding: 2px 4px;
  border-radius: 4px;
}

.article-expander__title {
  color: var(--article-title-color);
  font-size: var(--font-size-m);
  font-weight: 600;
}
.article-expander__title:hover {
  cursor: pointer;
  color: var(--article-title-hover-color);
}
.article-expander__title::marker {
  color: var(--accordion-title-marker-color);
}
.article-expander__title:hover::marker {
  color: var(--accordion-title-hover-marker-color);
}

.article-summary-link {
  color: var(--article-summary-color);
  font-size: var(--font-size-m);
  text-decoration: none;
}

.article-summary-link:hover {
  color: var(--article-summary-hover-color);
  --accordion-content-rail-color: var(--accordion-content-hover-rail-color);
}

.article-summary-box-outer {
  display: block;
  padding: 4px 8px 8px 4px;
}

.article-summary-box-inner {
  padding-left: 8px;
  border-left: 1px solid var(--accordion-content-rail-color);
}

.article-reading-time {
  font-weight: 600;
}

footer {
  color: var(--footer-color);
  font-size: var(--font-size-s);
  display: flex;
  padding: 0 16px;
  justify-content: space-between;
}

.footer-link {
  color: var(--footer-link-text);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--footer-link-hover-color);
  text-decoration: underline;
}