:root {
  --background1: #ffffff;
  --background2: #f0f0f0;
  --background3: #c4c3c3;
  --heading1: #2a2a2a;
  --heading2: #4a4a4a;
  --heading3: #7c7b7b;
  --text1: #5a5a5a;
  --code1: #6a6a6a;
  --url: #090b0e;
  --border-color: #d0d0d0;
  --font-main: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --line-height: 1.5;
  --padding-main: 1cm;
  --max-width-main: 210mm;
}

@page {
  size: A4;
}

@media print {
  body {
    margin: 2cm 1.5cm 2cm 1.5cm;
  }

  /* Don't display the list of notes in the printed page */
  aside,
  .note-metadata {
    display: none;
  }

  main {
    margin-top: 0;
    break-after: always;
  }

  h1 {
    margin-top: 0;
  }
}

@media screen {

  aside,
  main {
    height: 100vh;
    overflow-y: auto;
  }

  h1,
  h2,
  h3,
  h4 {
    margin-top: 1.5em;
  }
}

@media all {
  body {
    display: flex;
    background: var(--background1);
    margin: 0;
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text1);
  }

  a {
    color: var(--url);
    font-weight: bold;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  pre {
    background: var(--background2);
    padding: 0.8em;
  }

  pre code {
    padding: 0;
  }

  code {
    line-break: loose;
    background-color: var(--background2);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: monospace;
    color: var(--code1);
    overflow-x: auto;
    text-wrap: wrap;
  }

  header h1 {
    color: var(--heading1);
    font-size: 2em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1em;
    margin: 0;
    text-align: center;
  }

  aside {
    flex: 0 0 400px;
    width: 250px;
    border-right: 1px solid var(--border-color);
    padding: var(--padding-main);
    background-color: #f5f5f5;
  }

  aside ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  aside ul li {
    padding: 0.5em 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: end;
  }

  aside ul li:last-child {
    border-bottom: none;
  }

  aside ul li a {
    display: block;
    transition: background-color 0.2s;
  }

  aside ul li a:hover {
    background-color: var(--background2);
  }

  main {
    flex: 1;
    margin: 0 auto;
    padding: var(--padding-main);
    overflow-y: auto;
    max-height: 100%;
  }

  main a {
    text-decoration: underline;
  }

  main ul {
    padding: 0;
    margin: 0 1em;
  }

  main h1 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
    text-transform: uppercase;
    text-align: center;
  }

  main h2 {
    padding: 0.7em 0;
    border-bottom: 2px dotted var(--border-color);
  }


  main h3, main h4 {
    color: var(--heading3);
    font-size: 0.9em;
  }

  h1,
  h2,
  h3,
  h4 {
    margin-bottom: 0.5em;
    line-height: 1.2;
  }

  h1 {
    color: var(--heading1);
    font-size: 1.5em;
  }

  h2 {
    color: var(--heading1);
    font-size: 1.2em;
  }

  h3 {
    color: var(--heading2);
    font-size: 1em;
  }

  p {
    margin-bottom: 1em;
  }

  blockquote {
    margin: 1em 0;
    padding: 0 1em;
    border-left: 3px solid var(--border-color);
    color: var(--heading2);
  }

  .active-note {
    background: var(--background3);
  }

  .last-modified {
    font-size: 0.8em;
  }

  .folder {
    font-weight: bold;
    width: 100%;
  }

  .folder span {
    padding: 0 1em;
  }

  .search-form {
    display: flex;
    margin-bottom: 1em;
  }

  .search-form > * {
    display: inline;
  }

  /* Add this to the end of the file */
  .search-bar {
    width: 100%;
    padding: 0.5em;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    color: var(--text1);
  }

  .search-bar:focus {
    outline: none;
    border-color: var(--heading1);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  }

  .search-results {
    margin-bottom: 1em;
    margin: 1em 0;
    border-bottom: dotted 2px var(--heading1);
  }
}