:root {
  --bg-color: #282a36;
  --text-color: #f8f8f2;
  --link-color: #bd93f9;
  --link-visited-color: #ff79c6;
  --heading-color: #ff79c6;
  --sidebar-bg: #21222c;
  --border-color: #44475a;
  --mark-bg: #50fa7b;
  --mark-text: #282a36;
  --comment-color: #6272a4;
  --cyan-color: #8be9fd;
  --orange-color: #ffb86c;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  display: flex;
}

/* Sidebar Styling */
.sidebar {
  width: 240px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  padding: 15px 10px;
  overflow-y: auto;
  /* Allow scrolling but hide scrollbar */
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE and Edge */
  box-sizing: border-box;
  z-index: 1000;
}

.sidebar::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari and Opera */
}

.sidebar h2 {
  font-size: 0.9rem;
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--heading-color);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-category {
  margin-bottom: 8px;
}

.sidebar-category-name {
  display: block;
  font-weight: 600;
  margin-bottom: 1px;
  text-decoration: none;
  font-size: 0.8rem;
  color: var(--link-color);
}

.sidebar-alpha-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  font-size: 0.65rem;
  line-height: 1.1;
}

.sidebar-alpha-links a {
  text-decoration: none;
  color: var(--text-color);
  padding: 0 2px;
  border-radius: 1px;
}

.sidebar-alpha-links a:hover {
  background-color: var(--border-color);
  color: var(--link-color);
}

/* Main Content Area */
.main-content {
  margin-left: 240px;
  flex: 1;
  padding: 30px 40px;
  max-width: 900px;
}

.search-container {
  margin-bottom: 30px;
  position: sticky;
  top: 0;
  background-color: var(--bg-color);
  padding: 15px 0;
  z-index: 900;
}

#search-input {
  width: 100%;
  font-size: 1.1rem;
  padding: 10px 15px;
  background-color: var(--sidebar-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-sizing: border-box;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

#search-input:focus {
  outline: none;
  border-color: var(--link-color);
  box-shadow: 0 0 0 2px rgba(97, 175, 239, 0.2);
}

/* Phrases Content */
h1 {
  font-size: 2.2rem;
  margin-top: 60px;
  margin-bottom: 30px;
  color: var(--heading-color);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  margin-bottom: 15px;
  color: var(--cyan-color);
}

ul {
  list-style-type: none;
  padding-left: 0;
}

li {
  margin-bottom: 10px;
  padding-left: 1.5em;
  position: relative;
}

li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--orange-color);
}

a {
  color: var(--link-color);
  transition: color 0.2s;
}

a:visited {
  color: var(--link-visited-color);
}

a:hover {
  text-decoration: underline;
}

#top-link {
  position: fixed;
  bottom: 20px;
  left: 20px;
  font-size: 0.8rem;
  text-decoration: none;
  background-color: var(--sidebar-bg);
  padding: 5px 10px;
  border-radius: 3px;
  border: 1px solid var(--border-color);
  z-index: 2000;
}

/* Search Results */
#search-results-container {
  display: none;
}

#search-results-container p {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
}

mark {
  background-color: var(--mark-bg);
  color: var(--mark-text);
  border-radius: 2px;
  padding: 0 2px;
}

/* Responsive */
@media (max-width: 900px) {
  body {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }
}