/* Main stylesheet for Lab 3 meeting minutes */
:root {
  --main-bg: #f4f4f4;
  --card-bg: hsl(0, 0%, 100%);
  --accent-color: rgb(40, 90, 180);
  --soft-border: #999999;
  --title-color: color-mix(in srgb, blue 70%, white 30%);
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--main-bg, lightgray);
  color: rgba(30, 30, 30, 0.95);
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

#attendance {
  min-width: 300px;
}

.highlight-box {
  background-color: #eef6ff;
}

h1 {
  color: var(--title-color, blue);
  text-align: center;
  text-decoration: underline;
  font-size: 2.2rem;
  margin-top: 20px;
  margin-bottom: 20px;
}

h2, h3 {
  text-align: center;
}

header {
  background-color: rgba(255, 255, 255, 0.8);
  border-style: solid;
  border-color: var(--soft-border, gray);
  border-width: 2px;
  border-radius: 12px;
  padding-top: 16px;
  padding-right: 24px;
  padding-bottom: 16px;
  padding-left: 24px;
  margin: 20px auto 30px auto;
  width: 90%;
  max-width: 60rem;
  position: sticky;
  top: 0;
}

section {
  background-color: var(--card-bg, white);
  border: 0.15cm solid #bbbbbb;
  border-radius: 10px;
  padding: 1em 1.5em 1em 1.5em;
  margin-top: 18px;
  margin-bottom: 18px;
  margin-left: auto;
  margin-right: auto;
  width: 85vw;
  max-width: 900px;
}

p {
  color: hsl(220, 20%, 20%);
  line-height: 1.6;
}

nav ul {
  background-color: #ffffff;
  padding: 10px 25px 10px 25px;
}

section > h2 {
  color: orange;
}

h2 ~ p {
  font-size: 1rem;
}

h3 + img {
  border: 3px solid black;
}

section.highlight-box {
  border-color: blue;
}

a[target="_blank"] {
  color: purple;
}

span {
  display: inline-block;
  font-weight: bold;
}

details {
  display: block;
}

audio {
  display: inline;
}

.hidden-note {
  display: none;
}

a {
  text-decoration: none;
}

a:hover {
  color: red;
  text-decoration: underline;
}

a:active {
  color: green;
}

img {
  width: 300px;
  max-width: 100%;
  height: auto;
}

video {
  width: 25rem;
  max-width: 100%;
}

footer {
  position: relative;
  bottom: 0;
  text-align: center;
  margin: 10px;
  padding: 5mm;
}

fieldset {
  background-color: #e6f2ff;
}

main section {
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.08);
}

main ul {
  padding-left: 2rem;
}

section:has(img) {
  background-color: #fdfdfd;
}

@media (max-width: 700px) {
  body {
    background-color: #e8f5e9;
  }

  h1 {
    font-size: 1.6rem;
  }

  nav ul {
    padding-left: 1rem;
  }
}