:root {
  --highlight-color: #c9a84c;
  --expanded-bg: #ecdcb4;
  --text-color: #3a2b1a;
  --bg-color: #ded0a8;
  --ink: #3a2414;
  --gold: #8a6d3b;
  --meander: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='16' viewBox='0 0 40 16'%3E%3Cpath d='M0 8h8V2h8v6h8V2h8v6h8' fill='none' stroke='%233a2414' stroke-width='2'/%3E%3C/svg%3E");
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "EB Garamond", Georgia, "Times New Roman", serif;
  color: var(--text-color);
  line-height: 1.65;
  background-color: var(--bg-color);
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(90, 62, 30, 0.05) 0px,
      transparent 1.5px,
      transparent 5px
    ),
    radial-gradient(
      ellipse at 10% 0%,
      rgba(90, 62, 30, 0.18) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 95% 100%,
      rgba(90, 62, 30, 0.16) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse at 50% 50%,
      transparent 55%,
      rgba(58, 36, 20, 0.22) 100%
    );
  min-height: 100vh;
}

main {
  position: relative;
  max-width: 800px;
  margin: 0;
  padding: 2rem 2rem 4rem;
  flex: 1;
  min-width: 0;
  background: rgba(243, 230, 194, 0.35);
  box-shadow:
    0 0 0 1px rgba(90, 62, 30, 0.15),
    0 4px 18px rgba(58, 36, 20, 0.15);
  border-radius: 4px / 8px;
}

main::before,
main::after,
.index::before,
.index::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 10px;
  background-image:
    repeating-linear-gradient(
      135deg,
      var(--bg-color) 0 6px,
      transparent 6px 12px
    ),
    repeating-linear-gradient(
      45deg,
      var(--bg-color) 0 6px,
      transparent 6px 12px
    );
  background-size: 12px 12px;
  background-repeat: repeat-x;
  pointer-events: none;
}

main::before,
.index::before {
  top: -5px;
}

main::after,
.index::after {
  bottom: -5px;
}

.layout {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.index {
  flex: 0 0 220px;
  position: sticky;
  top: 2.5rem;
  padding: 2rem 1.25rem;
  background: rgba(243, 230, 194, 0.35);
  box-shadow:
    0 0 0 1px rgba(90, 62, 30, 0.15),
    0 4px 18px rgba(58, 36, 20, 0.15);
  border-radius: 4px / 8px;
}

.index h2 {
  font-family: "Cinzel", "EB Garamond", serif;
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: center;
}

.index h2::after {
  content: "";
  display: block;
  height: 16px;
  margin-top: 0.6rem;
  background-image: var(--meander);
  background-repeat: repeat-x;
  background-size: 20px 8px;
  opacity: 0.6;
}

.poem-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.poem-index li {
  margin-bottom: 0.5rem;
}

.poem-index-link {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  font: inherit;
  font-family: "EB Garamond", serif;
  font-style: italic;
  color: var(--text-color);
  cursor: pointer;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.poem-index-link:hover,
.poem-index-link:focus {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.poem-index-link.active {
  color: var(--gold);
  font-weight: 600;
  font-style: normal;
  border-bottom-color: var(--gold);
}

h1 {
  font-family: "Cinzel", serif;
  font-weight: 700;
  font-size: 1.9rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-align: center;
}

h1::after {
  content: "";
  display: block;
  height: 16px;
  margin: 0.75rem auto 0;
  max-width: 320px;
  background-image: var(--meander);
  background-repeat: repeat-x;
  background-size: 40px 16px;
  opacity: 0.75;
}

.instructions {
  font-style: italic;
  color: #6b5a3f;
  margin-top: 1rem;
  margin-bottom: 2rem;
  text-align: center;
}

.textblock {
  font-size: 1.1rem;
  word-spacing: 0.05em;
  column-count: 2;
  column-gap: 2.5rem;
  column-rule: 1px solid rgba(58, 36, 20, 0.18);
}

.section {
  cursor: pointer;
  transition:
    color 0.2s ease,
    background-color 0.2s ease;
  border-radius: 3px;
  padding: 0.05em 0;
}

.section:hover {
  color: #6b4a1a;
  background-color: var(--highlight-color);
}

.section.expanded {
  position: relative;
  display: block;
  column-span: all;
  margin: 2rem 0.5rem;
  padding: 1.75rem 2rem;
  color: #4a3323;
  cursor: default;
  border-radius: 3px / 6px;
  transform: rotate(-0.4deg);
  background-color: #ecdcb4;
  background-image:
    radial-gradient(
      ellipse at 15% 20%,
      rgba(139, 98, 51, 0.16) 0%,
      transparent 45%
    ),
    radial-gradient(
      ellipse at 85% 75%,
      rgba(139, 98, 51, 0.14) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 60% 10%,
      rgba(90, 62, 30, 0.1) 0%,
      transparent 40%
    ),
    repeating-linear-gradient(
      90deg,
      rgba(90, 62, 30, 0.03) 0px,
      transparent 2px,
      transparent 4px
    ),
    linear-gradient(135deg, #f3e6c2 0%, #ecdcb4 45%, #e2caa0 100%);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(90, 62, 30, 0.25),
    inset 0 0 40px rgba(90, 62, 30, 0.25),
    inset 0 0 90px rgba(139, 98, 51, 0.15);
}

.close-button {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  border: none;
  background: transparent;
  font-size: 1.25rem;
  line-height: 1;
  color: #6b4a2a;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.close-button:hover,
.close-button:focus {
  color: #3a2414;
}

.section.expanded:hover {
  background-color: #ecdcb4;
  color: #4a3323;
}

.poem-title {
  display: block;
  font-family: "Cinzel", serif;
  font-weight: 500;
  margin-bottom: 0.75rem;
  padding-right: 1.5rem;
  color: #3a2414;
  letter-spacing: 0.06em;
}

.poem-title::after {
  content: "";
  display: block;
  height: 12px;
  width: 60px;
  margin-top: 0.5rem;
  background-image: var(--meander);
  background-repeat: repeat-x;
  background-size: 20px 8px;
  opacity: 0.55;
}

.stanza {
  display: block;
  margin-bottom: 1rem;
}

.drop-cap {
  float: left;
  font-family: "Cinzel", serif;
  font-weight: 700;
  font-size: 2.8em;
  line-height: 0.8;
  padding: 0.05em 0.1em 0 0;
  color: var(--gold);
}

.section.expanded .stanza {
  color: #4a3323;
}

.stanza:last-child {
  margin-bottom: 0;
}