* {
  text-decoration: none;
}

:root {
  --header-height: 80px;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  color: #eee;
}

/* Header */
header {
  background-color: #111;
  padding: 0 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  border-bottom: 1px solid #444;
}

header h1 {
  font-size: 1.5em;
  margin: 0;
}

#search {
  background: #222;
  border: 1px solid #444;
  color: #eee;
  padding: 0.5em 1em;
  border-radius: 4px;
  font-size: 1em;
  width: 300px;
  max-width: 100%;
}

/* Hamburger */
#hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5em;
  margin-left: 1em;
}

#hamburger span {
  display: block;
  width: 30px;
  height: 4px;
  background-color: #fff;
  margin: 5px 0;
  border-radius: 2px;
}

/* Sidebar */
nav {
  background-color: #111;
  border-right: 1px solid #444;
  width: 200px;
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  z-index: 900;
  transition: transform 0.3s ease;
}

nav.closed {
  transform: translateX(-100%);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  border-bottom: 1px solid #222;
}

/* Category buttons and legal link styled as buttons with consistent font size */
.category-btn, 
.category-btn:link, 
.category-btn:visited,
nav li a.category-btn {
  display: inline-block;
  width: 100%;
  background: none;
  border: none;
  color: #eee;
  padding: 1em;
  font-size: 1em;          /* consistent font size */
  text-align: left;
  cursor: pointer;
  border-radius: 0;
  user-select: none;
  text-decoration: none; /* For <a> */
  box-sizing: border-box;
  transition: background-color 0.3s ease;
}

/* Highlight Legal with purple */
nav li a.category-btn.legal {
  background-color: #6a0dad; /* purple */
  color: #fff;
}

nav li a.category-btn.legal:hover,
nav li a.category-btn.legal:focus {
  background-color: #7b1fa2; /* lighter purple on hover */
}

/* Hover/focus and active states for other buttons */
.category-btn:hover,
.category-btn:focus,
.category-btn.active {
  background-color: #333;
  outline: none;
}

/* Main */
main {
  margin-left: 200px;
  margin-top: var(--header-height);
  padding: 2em;
  max-width: 900px;
}

/* Items */
.item {
  border: 1px solid #444;
  background-color: #111;
  padding: 1em;
  margin-bottom: 1em;
  border-radius: 6px;
}

.item h2 {
  cursor: pointer;
  margin: 0;
}

.details {
  display: none;
  border-top: 1px solid #444;
  padding-top: 0.5em;
  margin-top: 0.5em;
}

a {
  color: #0af;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Chat Toggle Button */
#chat-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background-color: #0af;
  color: #fff;
  border: none;
  padding: 0.6em 1em;
  border-radius: 5px;
  cursor: pointer;
  z-index: 1001;
}

#chat-toggle:hover {
  background-color: #09f;
}

/* Chatbox */
#chatbox {
  position: fixed;
  bottom: 70px;
  left: 20px;
  width: 300px;
  background: #111;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 1em;
  z-index: 1001;
  box-shadow: 0 0 10px #000;
}

#chatbox.hidden {
  display: none;
}

#chat-log {
  max-height: 200px;
  overflow-y: auto;
  padding: 0.5em;
  background-color: #000;
  border: 1px solid #222;
  border-radius: 4px;
  margin-bottom: 0.5em;
  color: #ccc;
}

.chat-entry {
  margin-bottom: 0.5em;
}

.user-msg {
  color: #0af;
}

.gemini-msg {
  color: #afa;
}

#chat-input-container {
  display: flex;
  gap: 0.5em;
}

#chat-input {
  flex: 1;
  padding: 0.4em;
  background: #222;
  border: 1px solid #444;
  color: #eee;
  border-radius: 4px;
  font-size: 0.9em;
}

#send-btn {
  background-color: #0af;
  color: #fff;
  border: none;
  padding: 0.4em 0.7em;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
}

#send-btn:hover {
  background-color: #09f;
}

/* Responsive */
@media (max-width: 768px) {
  #hamburger {
    display: block;
  }

  nav {
    transform: translateX(-100%);
  }

  nav.open {
    transform: translateX(0);
  }

  main {
    margin-left: 0;
    padding: 1em;
  }

  header {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  #search {
    width: 100%;
    margin-top: 0.5em;
  }
}