@import url('https://fonts.googleapis.com/css2?family=Silkscreen:wght@400;700&display=swap');

:root {
  --dark-mode-bg: #0E0E10;
  --text-color: #DFDFE2;
  --outline-color: #4D4D60;
  --nav-border: #575262;
  --nav-text: #ded9e8;
  --mid-mid-grey: #4D4D60;
  --white: #ffffff;
  --mid-grey: #4D4D60;
  --mid-dark: #181818;

  /* Rainbow gradient colors */
  --rainbow-red: #CC3935;
  --rainbow-orange: #F5971C;
  --rainbow-yellow: #FCD722;
  --rainbow-green: #14E47D;
  --rainbow-blue: #1D8BFD;
  --rainbow-purple: #776EDC;
  
  --border-width: 2px;
    
}


  h1, h2, h3, h4, h5, h6 {
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-style: normal;
  }

  h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-top: 20px;
    margin-bottom: 0;
  }

  body {
    width: 90%;
    margin: 50px auto;
    max-width: 1200px;
    background: var(--dark-mode-bg);
    color: var(--text-color);
    display: grid;
    grid-template-columns: 1fr 250px;
    grid-template-areas: 
      "main site-nav"
      "site-footer site-nav";   
      gap: 40px; 
  }

  /* Mobile Layout */
  @media (max-width: 768px) {
    body {
      grid-template-columns: 1fr;
      grid-template-areas: 
        "main"
        "site-nav"
        "site-footer";
      gap: 30px;
    }
  }

  

  

  /* Course header styles */
  site-header header p {
    font-family: "attribute-mono", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    margin: 16px 0;
  }

  site-header a.briefs-link {
    color: var(--text-color);
    text-decoration: none;
    font-family: "attribute-mono", sans-serif;
    font-weight: 500;
    font-size: 1rem;
    border: solid var(--border-width) var(--outline-color);
    padding: 10px 15px;
    border-radius: 4px;
    background: var(--mid-dark);
    transition: all 0.3s ease;
    display: inline-block;
  }

  site-header a.briefs-link:hover {
    background: var(--mid-mid-grey);
    border-color: var(--mid-mid-grey);
    color: #ffffff;
  }

  site-header p:has(a.briefs-link) {
    margin-top: 30px;
  }

  small {
    font-family: "Silkscreen", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 12px;
  }

  site-footer footer {
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-style: normal;
    font-size: 12px;
  }
  
  site-footer a {
    color: var(--text-color);
    text-decoration: underline;
    text-decoration-style: double;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 1px;
    text-decoration-color: var(--outline-color);
    position: relative;
  }

  site-footer i.pixel-star {
    margin: 0 10px;
    color: var(--text-color); /* Change this to any color you want! */
  }

  site-footer img {
    transform: translateY(2px);
  }

  .rainbow-text {
    /* Fallback color for browsers that don't support gradient text */
    color: var(--text-color);
    background: linear-gradient(45deg, var(--rainbow-red) 5%, var(--rainbow-orange) 23%, var(--rainbow-yellow) 41%, var(--rainbow-green) 59%, var(--rainbow-blue) 77%, var(--rainbow-purple) 95%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
  }


  p {
    font-family: "attribute-mono", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 16px;
    line-height: 1.55;
  }


  small {
    font-size: 12px;
  }

  iframe.figma {
    border: solid var(--border-width) #efefef;
    aspect-ratio: 19/11;
    width: 100%;
    border-radius: 4px;
  }


  i.pixel-star {
    display: inline-block;
    width: 7px;
    height: 7px;
    background-color: currentColor; /* Uses parent's text color */
    -webkit-mask: url('../img/star.svg') no-repeat center;
    mask: url('../img/star.svg') no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
  }

  /* Navigation Styles */
  site-nav {
    display: block;
    background: var(--mid-dark);
    padding: 20px 20px 25px;
    border: var(--border-width) solid var(--nav-border);
    border-radius: 2px;
    grid-row: span 2;
  }

  site-nav nav {
    display: flex;
    flex-direction: column;
  }

  site-nav > small {
    display: block;
    background: var(--mid-grey);
    padding: 6px 12px 8px;
    border-radius: 2px 2px 0 0;
    color: var(--white);
    font-family: "Silkscreen", sans-serif;
    font-size: 12px;
  }

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

  site-nav nav > ul > li {
    border-bottom: var(--border-width) solid var(--nav-border);
    padding: 12px 0;
  }

  site-nav nav > ul > li > a {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-size: 18px;
    color: var(--nav-text);
    text-decoration: none;
  }

  site-nav nav > ul > li > a::before {
    content: ">";
    color: var(--mid-mid-grey);
    width: 12px;
    text-align: center;
  }

  site-nav details {
    border: none;
  }

  site-nav summary {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-size: 18px;
    color: var(--nav-text);
    cursor: pointer;
    list-style: none;
  }

  site-nav summary::-webkit-details-marker {
    display: none;
  }

  site-nav summary::before {
    content: "+";
    color: var(--mid-mid-grey);
    width: 12px;
    text-align: center;
  }

  site-nav details ul {
    margin-top: 5px;
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  site-nav details ul li {
    display: flex;
    align-items: center;
    gap: 5px;
  }

  site-nav details ul li a {
    font-family: "attribute-mono", sans-serif;
    font-style: italic;
    font-size: 15px;
    line-height: 1.55;
    letter-spacing: -0.45px;
    color: var(--nav-text);
    text-decoration: none;
  }

  site-nav details ul li a::before {
    content: ">";
    font-family: "findreplace", sans-serif;
    font-style: normal;
    font-size: 18px;
    color: var(--mid-mid-grey);
    width: 12px;
    margin-right: 7px;
  }

  /* Active state for navigation items */
  site-nav nav > ul > li > a.active {
    color: var(--mid-mid-grey);
  }

  site-nav summary.active {
    color: var(--mid-mid-grey);
  }

  site-nav details ul li a.active {
    color: var(--mid-mid-grey);
  }

  /* Course Weekly Content Styles */
  
  .course-content {
    margin: 60px 0 20px;
  }

  .weekly-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .course-content h2 {
    font-size: 1.5rem;
    color: var(--white);
  }

  .week-item {
    background: var(--mid-dark);
    border: var(--border-width) solid var(--nav-border);
    padding: 0;
    border-radius: 2px;
  }

  .week-item summary {
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-size: 20px;
    color: var(--text-color);
    padding: 16px 20px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .week-item summary::-webkit-details-marker {
    display: none;
  }

  .week-item summary::before {
    content: "▼";
    font-size: 12px;
    color: var(--mid-mid-grey);
    transition: transform 0.2s ease;
  }

  .week-item:not([open]) summary::before {
    transform: rotate(-90deg);
  }

  .week-content {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .week-content h4 {
    font-family: "findreplace", sans-serif;
    font-weight: 900;
    font-size: 16px;
    margin: 0 0 12px 0;
    color: var(-mid-grey);
    color: #9090A7;
  }

  .week-overview p {
    font-family: "attribute-mono", sans-serif;
    font-size: 16px;
    line-height: 1.55;
    margin: 0;
  }

  .week-lecture {
    width: 100%;
  }

  .figma-embed {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: var(--border-width) solid var(--outline-color);
    border-radius: 4px;
  }

  .week-links p {
    font-family: "attribute-mono", sans-serif;
    font-size: 14px;
    line-height: 1.55;
    margin: 0 0 12px 0;
    color: var(--text-color);
  }

  .week-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .week-links li {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .week-links li::before {
    content: "📎";
    font-size: 14px;
  }

  .week-links a {
    color: var(--text-color);
    text-decoration: underline;
    font-family: "attribute-mono", sans-serif;
    font-size: 15px;
    font-style: italic;
  }