/* === Base Reset === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* === Typography & Layout === */
body {
  font-family: 'Inter', sans-serif;
  background-color: #DFDCC3;
  color: #2A2A2A;
  line-height: 1.6;
  padding: 1rem;
  overflow-x: hidden;
}

/* === Header === */
header {
  background-color: #2A2A2A;
  color: #DFDCC3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem 1rem;
  border-bottom: 4px solid #4472C4;
  max-width: 100%;
  box-sizing: border-box;
}

.logo-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  text-align: center;
}

.logo-title img {
  width: 144px;
  height: auto;
  max-width: 100%;
}

header h1 {
  font-family: 'Cinzel', serif;
  font-size: 4rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

/* === Navigation === */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #DFDCC3;
  margin-top: 1rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin-top: 0.5rem;
}

.nav-links li a {
  color: #4472C4;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #D6A95A;
}

/* === Grid Layout === */
.grid-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 800px) 300px;
  gap: 2rem;
  max-width: 1400px;
  margin: 2rem auto;
  align-items: start;
}

/* === Content Box === */
.content {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

/* === Sidebar Boxes === */
.leftbar,
.sidebar {
  position: sticky;
  top: 2rem;
  background-color: #F2F2F2;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

.leftbar h3,
.sidebar h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.leftbar ul,
.sidebar ul {
  list-style: none;
  padding: 0;
}

.leftbar li,
.sidebar li {
  margin-bottom: 0.5rem;
}

.leftbar a,
.sidebar a {
  color: #4472C4;
  text-decoration: none;
  font-weight: 500;
}

.leftbar a:hover,
.sidebar a:hover {
  color: #D6A95A;
}

.mobile-sidebars {
  display: none;
}

/* === Footer === */
footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: #6E6E6E;
}

/* === Dark Mode === */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #2A2A2A;
    color: #DFDCC3;
  }

  header {
    background-color: #1C1C1C;
  }

  .content {
    background-color: #1C1C1C;
    color: #F2F2F2;
  }

  .leftbar,
  .sidebar {
    background-color: #1C1C1C;
    color: #F2F2F2;
  }

  .leftbar a,
  .sidebar a {
    color: #4472C4;
  }

  .leftbar a:hover,
  .sidebar a:hover {
    color: #D6A95A;
  }

  nav a {
    color: #4472C4;
  }

  footer {
    color: #6E6E6E;
  }
}

/* === Responsive Layout === */

/* Laptop L (≤1440px) */
@media (max-width: 1440px) {
  .logo-title img {
    width: 128px;
  }

  header h1 {
    font-size: 3.5rem;
  }
}

/* Laptop S (≤1024px) */
@media (max-width: 1024px) {
  .logo-title img {
    width: 112px;
  }

  header h1 {
    font-size: 3rem;
  }
}

/* Tablet (≤768px) */
@media (max-width: 768px) {
  /* Collapse nav */
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: center;
    margin-top: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  /* Collapse grid layout */
  .grid-layout {
    display: block;
    padding: 0 1rem;
    max-width: 800px;
    margin: 0 auto;
  }

  .grid-layout .leftbar,
  .grid-layout .sidebar {
    display: none;
  }

  .mobile-sidebars {
    display: block;
    max-width: 800px;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
  }

  .leftbar-collapse,
  .sidebar-collapse {
    margin-bottom: 0.5rem;
  }

  .leftbar-collapse summary,
  .sidebar-collapse summary {
    font-weight: bold;
    padding: 1rem;
    cursor: pointer;
    font-size: 1rem;
  }

  .leftbar,
  .sidebar {
    padding: 0;
  }

  .leftbar-collapse .leftbar,
  .sidebar-collapse .sidebar {
    padding: 1.5rem;
    margin: 0;
  }

  .leftbar-collapse .leftbar h3,
  .sidebar-collapse .sidebar h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }

  .leftbar-collapse .leftbar ul,
  .sidebar-collapse .sidebar ul {
    list-style: none;
    padding: 0;
  }

  .leftbar-collapse .leftbar li,
  .sidebar-collapse .sidebar li {
    margin-bottom: 0.5rem;
  }
}

/* Mobile L (≤425px) */
@media (max-width: 425px) {
  .logo-title {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .logo-title img {
    width: 72px;
  }

  header h1 {
    font-size: 1.8rem;
    margin-top: 0.5rem;
  }
  header {
    padding: 0.75rem;
  }
}

/* Mobile M (≤375px) */
@media (max-width: 375px) {
  .logo-title img {
    width: 72px;
  }

  header h1 {
    font-size: 2rem;
    margin-top: 0.5rem;
  }

  header {
    padding: 1rem;
  }
}

/* Mobile S (≤320px) */
@media (max-width: 320px) {
  .logo-title img {
    width: 64px;
  }

  header h1 {
    font-size: 1.6rem;
  }

  header {
    padding: 0.5rem;
  }
}