body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0f0f0f;
  color: #f0f0f0;
  margin: 0;
  padding: 0;
}

.banner {
  background-color: #151515;
  padding: 1em 2em;
  border-bottom: 1px solid #333;
}

.back-link {
  color: #66ccff;
  text-decoration: none;
  font-weight: bold;
}

.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-areas:
    "chat graph"
    "chat info"
    "sources sources";
  gap: 2em;
  padding: 2em;
}

.chat-section {
  grid-area: chat;
  min-width: 300px;
}

.chat-container {
  background-color: #1a1a1a;
  padding: 1.5em;
  border-radius: 8px;
}

.chat-log {
  height: 300px;
  overflow-y: auto;
  border: 1px solid #444;
  padding: 1em;
  border-radius: 6px;
  margin-bottom: 1em;
  background-color: #121212;
}

.chat-log p {
  margin: 0.5em 0;
  line-height: 1.4;
}

.input-container {
  display: flex;
  gap: 0.5em;
  flex-wrap: wrap;
}

#userInput {
  flex-grow: 1;
  padding: 0.8em;
  border: 1px solid #444;
  border-radius: 5px;
  background-color: #222;
  color: #fff;
  min-width: 200px;
}

#sendBtn, #sopBtn {
  padding: 0.8em 1.2em;
  background-color: #66ccff;
  color: #0f0f0f;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

#sendBtn:hover, #sopBtn:hover {
  background-color: #4fb8eb;
}

.sources-panel {
  grid-area: sources;
  background-color: #1b1b1b;
  padding: 1em;
  border-radius: 8px;
  border: 1px solid #333;
  min-width: 280px;
}

.sources-panel h2 {
  margin-top: 0;
  color: #66ccff;
}

.source-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.9em;
}

.source-list li {
  margin-bottom: 0.7em;
  cursor: pointer;
  color: #ccc;
}

.source-snippet {
  display: none;
  font-size: 0.9em;
  color: #aaa;
  margin-top: 0.3em;
}

/* HOW WE BUILT IT */
#infoWrapper {
  grid-area: info;
  margin-top: 0;
  padding: 1em;
  background-color: #1a1a1a;
  border-radius: 8px;
  border: 1px solid #333;
}

#toggleInfoBtn {
  background-color: #2a2a2a;
  color: #66ccff;
  border: 1px solid #444;
  padding: 0.7em 1.2em;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
  width: 100%;
  text-align: center;
  transition: background-color 0.3s ease;
}

#toggleInfoBtn:hover {
  background-color: #2e2e2e;
  border-color: #555;
}

#infoContent {
  display: none;
  margin-top: 1em;
  font-size: 0.95em;
  line-height: 1.6;
  color: #ddd;
  transition: all 0.3s ease;
}

#infoContent.visible {
  display: block;
}

#infoContent ol {
  padding-left: 1.5em;
  margin: 0;
}

#infoContent li {
  margin-bottom: 0.5em;
  color: #bbb;
}

.graph-explore {
  grid-area: graph;
  margin-top: 0;
  background-color: #1b1b1b;
  padding: 1.5em;
  border-radius: 8px;
  border: 1px solid #333;
}

.graph-explore h2 {
  color: #66ccff;
  margin-top: 0;
}

.graph-explore ul {
  line-height: 1.6;
  padding-left: 1.2em;
  color: #ccc;
  font-size: 0.95em;
}

.graph-explore li {
  margin-bottom: 0.5em;
}

.graph-link {
  display: inline-block;
  margin-top: 1em;
  padding: 0.7em 1.2em;
  background-color: #66ccff;
  color: #0f0f0f;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.graph-link:hover {
  background-color: #4fb8eb;
}

.graph-button {
  padding: 0.8em 1.2em;
  background-color: #66ccff;
  color: #0f0f0f;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 1em;
  transition: background-color 0.3s ease;
}

.graph-button:hover {
  background-color: #4fb8eb;
}

#graphViz {
  min-height: 600px;
  background-color: #121212;
  border: 1px dashed #444;
  overflow: hidden;
  position: relative;
}

#graphViz circle {
  cursor: pointer;
}

#graphViz svg {
  width: 100%;
  height: 100%;
  display: block;
}

.cypher-input-area {
  margin-top: 1em;
}

#cypherInput {
  width: 100%;
  height: 100px;
  background-color: #121212;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 0.8em;
  font-family: monospace;
  font-size: 0.9em;
  margin-bottom: 0.5em;
  resize: vertical;
}

/* Mobile */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "chat"
      "graph"
      "info"
      "sources";
  }

  #userInput,
  #sendBtn {
    width: 100%;
  }

  #toggleInfoBtn {
    font-size: 0.95em;
  }

  #infoContent {
    font-size: 0.9em;
  }
}