/*
 Name : Julian Burnley
Course: CIS233DA
Section: 12988 
Instructor : Brian Thurber
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Mono:wght@300;400;700&family=Open+Sans:ital,wght@0,300;0,400;0,700;1,300;1,400;1,700&family=Roboto+Slab:wght@200;400;700&display=swap');

:root {
  --main-color-100: hsla(32, 13%, 75%, 0.866);
  --main-color-200: hsl(60, 5%, 55%);
  --main-color-400: hsl(8, 86%, 46%);
  --main-color-600: hsl(145, 85%, 5%);
  --main-color-800: hsl(348, 12%, 8%);
  --accent-color-200: hsl(73, 84%, 64%);
  --accent-color-600: hsl(117, 33%, 89%);
  --accent-color-800: hsl(300, 15%, 22%);
  --shadow-color-800: rgba(11, 2, 4, 0.7);
  --font-body: 'Open Sans', sans-serif;
  --font-headings: 'Roboto Slab', serif;
  --font-code: 'Noto Sans Mono', monospace;
}

*, *::after, *::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 2em;
  min-height: calc(100vh - 4em);
  background-image: linear-gradient(var(--main-color-100), var(--main-color-200));
  color: var(--main-color-800);
  font-family: var(--font-body);
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 🌙 Dark Mode */
body.dark-mode {
  --main-color-100: hsl(350, 10%, 10%);
  --main-color-200: hsl(350, 10%, 15%);
  --main-color-400: hsl(350, 10%, 25%);
  --main-color-600: hsl(350, 10%, 40%);
  --main-color-800: hsl(350, 10%, 90%);
  --accent-color-200: hsl(170, 25%, 25%);
  --accent-color-600: hsl(170, 35%, 55%);
  --accent-color-800: hsl(170, 50%, 80%);
  --shadow-color-800: rgba(255, 255, 255, 0.2);

  background-color: var(--main-color-100);
  color: var(--main-color-800);
}

header {
  background-image: linear-gradient(var(--main-color-100), var(--main-color-200));
  font-family: var(--font-headings);
  display: flex;
  flex-flow: column nowrap;
  justify-content: left;
  margin-bottom: 1.5rem;
}

h1 {
  margin: 1rem 0 0.5rem;
}

h2, h3, h4, h5, h6 {
  margin: 1rem 0 0.5rem;
  font-family: var(--font-headings);
}

main {
  max-width: 960px;
  margin: 0 auto;
}

/* Student info */
#student-info p {
  display: inline-flex;
  padding: 0.5rem 2rem 1rem 0;
  font-weight: 700;
  font-size: larger;
}

p {
  padding: 1rem 0;
}

/* Navigation */
#site-navigation nav {
  background-color: var(--accent-color-600);
  margin-bottom: 1.5rem;
}

#site-navigation ul {
  list-style: none;
}

#site-navigation li {
  padding: 1em;
  border-top: thin solid;
  border-bottom: thin solid;
}

#site-navigation a {
  text-decoration: none;
  color: var(--main-color-800);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

#site-navigation a:hover,
#site-navigation a:focus {
  background-image: linear-gradient(rgb(241, 238, 68), rgb(241, 21, 95));
  outline: none;
  padding: 10px;
}

/* Dark mode toggle button */
button.gradient,
#toggleTheme {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  background: linear-gradient(to right, var(--accent-color-200), var(--accent-color-600));
  font-weight: 700;
}

body.dark-mode button.gradient,
body.dark-mode #toggleTheme {
  background: linear-gradient(to right, var(--accent-color-600), var(--accent-color-200));
}

/* Tables (cheatsheet) */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  box-shadow: 0px 10px 13px -7px var(--shadow-color-800);
}

th, td {
  padding: 6px;
  border: 1px solid black;
}

th {
  background-color: var(--main-color-600);
  color: var(--accent-color-600);
  text-transform: uppercase;
}

tbody tr:nth-child(odd) {
  background-color: var(--accent-color-200);
  color: var(--main-color-800);
}

tbody tr:nth-child(even) {
  background-color: var(--accent-color-800);
  color: var(--accent-color-600);
}

body.dark-mode tbody tr:nth-child(odd) {
  background-color: hsl(170, 20%, 20%);
  color: hsl(170, 60%, 85%);
}

body.dark-mode tbody tr:nth-child(even) {
  background-color: hsl(170, 20%, 30%);
  color: hsl(170, 60%, 90%);
}

/* Collapsible sections */
.collapsible {
  margin: 2rem 0;
}

.collapse-toggle {
  width: 100%;
  text-align: left;
  padding: 1rem;
  font-size: 1.3rem;
  font-weight: 700;
  background-color: var(--accent-color-600);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.collapse-content {
  display: none;
  padding: 1rem 0;
}

.collapsible.open .collapse-content {
  display: block;
}

/* Code font for specific IDs if needed */
#a, #b, #c, #d, #e, #f {
  font-family: var(--font-code);
}

/* Media cards (audio-video) */
.media-gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.media-card {
  background-color: white;
  border: thin solid var(--accent-color-800);
  border-radius: 0.5rem;
  box-shadow: 0px 10px 13px -7px var(--shadow-color-800);
  padding: 1rem;
  width: 300px;
  text-align: center;
  transition: background-color 0.4s ease, color 0.4s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.media-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 20px -10px var(--shadow-color-800);
}

.media-card:nth-child(odd),
.gradient-demo:nth-child(odd) {
  background-color: var(--accent-color-200);
  color: var(--main-color-800);
}

.media-card:nth-child(even),
.gradient-demo:nth-child(even) {
  background-color: var(--accent-color-800);
  color: var(--accent-color-600);
}

body.dark-mode .media-card:nth-child(odd),
body.dark-mode .gradient-demo:nth-child(odd) {
  background-color: hsl(170, 20%, 20%);
  color: hsl(170, 60%, 85%);
}

body.dark-mode .media-card:nth-child(even),
body.dark-mode .gradient-demo:nth-child(even) {
  background-color: hsl(170, 20%, 30%);
  color: hsl(170, 60%, 90%);
}

/* Gradients page */
.gradient-section {
  margin: 2rem 0;
}

.generator-container {
  background-color: var(--accent-color-600);
  border-radius: 0.5rem;
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.gradient-demo {
  width: 100%;
  height: 150px;
  border-radius: 0.5rem;
  box-shadow: 0px 10px 13px -7px var(--shadow-color-800);
  margin-top: 1rem;
}

.animated-gradient {
  background-size: 600% 600%;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(to right, #ff8a8a, #d10000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 1.5rem auto;
}

/* Audio/video elements */
audio, video {
  border-radius: 0.5rem;
  width: 100%;
}

.wrapper {
  display: grid;
  grid-template-columns: 20% 80%;
  gap: 1rem;
}
.left { grid-column: 1; }
.right { grid-column: 2; }

footer {
  margin-top: 2rem;
  padding: 1rem;
  background-color: var(--main-color-400);
  color: var(--main-color-100);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 1rem;
}

footer p {
  padding: 0;
}

footer a {
  color: inherit;
}

@media (max-width: 600px) {
  body {
    margin: 1rem;
    min-height: calc(100vh - 2rem);
  }

  .collapse-content {
    overflow-x: auto;
  }

  th,
  td {
    min-width: 10rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}