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

/* Body styling */
body {
  font-family: "Poppins", sans-serif;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpath fill='%23ffb9b0' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%23ffc1b7' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%23ffc8bf' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%23ffcfc6' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%23FFD6CE' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%23ffdcd4' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%23ffe1d9' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%23ffe6df' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%23ffebe4' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%23FFF0EA' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
  color: #333;
  line-height: 1.6;
  margin: 0;
}

/* Container styling for TOC and main content */
.container {
  display: flex;
  flex-direction: row;
  gap: 20px;
  max-width: 1200px;
  margin: 20px auto;
  padding: 20px;
}

/* Table of contents (TOC) styling */
.toc {
  flex-basis: 25%;
  background-color: #ffe6eb;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 80px;
  animation: fadeIn 0.5s ease-in-out;
}

.toc h2 {
  font-size: 1.6rem;
  color: #d23b57;
  margin-bottom: 15px;
}

.toc ul {
  list-style: none;
}

.toc ul li {
  margin-bottom: 10px;
}

.toc ul li a {
  text-decoration: none;
  color: #bf2854;
  font-weight: 600;
  transition: color 0.2s ease;
}

.toc ul li a:hover {
  color: #7b1b3f;
  text-decoration: underline;
}

/* Main content styling */
.main-content {
  flex-grow: 1;
  background-color: rgba(255, 240, 240, 0.7);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  animation: fadeIn 0.5s ease-in-out;
}

h1 {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 30px;
  color: #f84f35;
  border-bottom: 3px solid #f8b2bb;
  padding-bottom: 15px;
}

h2 {
  font-size: 1.8rem;
  color: #f84f35;
  margin-top: 40px;
  margin-bottom: 15px;
  border-bottom: 2px solid #ffd3d9;
  padding-bottom: 8px;
}

p,
ul {
  font-size: 1rem;
  color: #555;
  margin-bottom: 20px;
  line-height: 1.6;
}

ul {
  list-style: disc;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

/* Link styling */
a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  /* Remove sticky positioning on smaller screens */
  .toc {
    width: 100%;
    position: relative;
    top: 0;
    margin-bottom: 20px;
  }

  .main-content {
    width: 100%;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* Animation for smoother entry */
@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
