:root {
  --bg: #131210;
  --bg-card: hsl(36, 9%, 10%);
  --bg-summary: hsl(45, 9%, 12%);
  --bg-field: #1c1a17;
  --border: #3a3630;
  --border-light: #2e2b24;
  --text-primary: #ede8df;
  --text-secondary: #9e9589;
  --text-tertiary: #6b6259;
  --accent: SlateBlue;
  --accent-light: #1a2e24;

  --tag-period-bg: #1a2e24;
  --tag-period-text: #a8d4bc;
  --tag-period-border: #2e5040;

  --tag-type-bg: #2a2418;
  --tag-type-text: #d4c8a8;
  --tag-type-border: #4a4030;

  --tag-school-bg: #221a2e;
  --tag-school-text: #c4b8d4;
  --tag-school-border: #3a2e50;

  --tag-lang-bg: #2e1a1a;
  --tag-lang-text: #d4b8b8;
  --tag-lang-border: #502e2e;

  --font-serif: "Libre Baskerville", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "DM Mono", monospace;
}

main-content#lit-theo {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  padding: 2rem 1.5rem;
  min-height: 100vh;
}

#lit-theo {
  page-wrapper {
    display: block;
    max-width: 820px;
    margin: 0 auto;
  }
  page-header {
    display: block;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
  }

  page-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 5vw, 2.5rem);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 0.75rem;
  }

  page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 68ch;
  }

  .legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 6px;
  }

  .legend-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    width: 100%;
    margin-bottom: 0.25rem;
  }

  .tag {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    border: 1px solid transparent;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .tag-period {
    background: var(--tag-period-bg);
    color: var(--tag-period-text);
    border-color: var(--tag-period-border);
  }
  .tag-type {
    background: var(--tag-type-bg);
    color: var(--tag-type-text);
    border-color: var(--tag-type-border);
  }
  .tag-school {
    background: var(--tag-school-bg);
    color: var(--tag-school-text);
    border-color: var(--tag-school-border);
  }
  .tag-lang {
    background: var(--tag-lang-bg);
    color: var(--tag-lang-text);
    border-color: var(--tag-lang-border);
  }

  .section-divider {
    margin: 2.5rem 0 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .section-divider h2 {
    font-family: var(--font-serif);
    margin-top: 0;
    font-size: 0.85rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-tertiary);
    white-space: nowrap;
  }

  .section-divider hr {
    flex: 1;
    border: none;
    border-top: 1px solid var(--border-light);
  }
}

.entry {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 1rem;
  transition: border-color 0.15s ease;
}

details:has(entry-header) {
  border-top: 0;
}

details entry-header {
  border-left: 3px solid transparent;
}
details[open] entry-header {
  border-left: 3px solid var(--accent);
}

summary:has(entry-header) {
  padding: 0;
  list-style: none;
}

summary {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

details details summary {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

entry-header {
  display: block;
  padding: 1.25rem 1.5rem 1rem;
}

entry-byline {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-tertiary);
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
  position: relative;
  padding-right: 20px;
}

entry-byline original-year {
  color: var(--accent);
  font-weight: 500;
}

entry-byline a::after {
  position: absolute;
  top: 0;
  right: 0;
  content: "";
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  margin-left: 0.2em;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='SlateBlue' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M21 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h6'/><path d='m21 3-9 9'/><path d='M15 3h6v6'/></svg>")
    no-repeat center !important;
  background-size: contain;
  vertical-align: text-bottom;
  margin-bottom: 2px;
  font-size: 1.4rem;
}

entry-byline a:hover::after {
  content: "";
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236eb3f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M21 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h6'/><path d='m21 3-9 9'/><path d='M15 3h6v6'/></svg>")
    no-repeat center !important;
}

entry-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.9rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

details {
  border-top: 1px solid var(--border-light);
}

details details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-summary);
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  list-style: none;
  transition: background 0.1s ease, color 0.1s ease;
}

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

summary:hover {
  color: var(--text-primary);
}

summary-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.2s ease;
}

details details[open] summary summary-icon {
  transform: rotate(45deg);
}

details[open] .field {
  border-left: 1px solid hsl(0, 0%, 45%);
}

.field {
  padding: 1.1rem 1.5rem;
  background: var(--bg-field);
  border-top: 1px solid var(--border-light);
}

.field p:first-of-type {
  margin-top: 0;
}
.field p {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.8;
}

key-terms {
  display: block;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.term {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-summary);
}

connections-group {
  display: block;
  margin-bottom: 1.5rem;
}

connections-group:last-child {
  margin-bottom: 0;
}

connections-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 0.4rem;
}

.connection-link {
  display: block;
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  line-height: 1.6;
  padding: 0.15rem 0;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.15s ease;
}

.connection-link:hover {
  border-bottom-color: var(--accent);
}

connection-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-left: 0.4rem;
}

.reader-response {
  font-family: var(--font-serif);
  font-size: 0rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.85;
  padding-left: 1.1rem;
  border-left: 2px solid var(--accent);
}

.section-divider {
  margin: 2.5rem 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-divider h2 {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.section-divider hr {
  flex: 1;
  border: none;
  border-top: 1px solid var(--border-light);
  background-color: transparent;
}