/* X-Ray Split Layout Framework */
:root {
  --xray-bg: #0f172a;
  --xray-border: #334155;
  --xray-code-bg: #1e293b;
  --xray-text: #f8fafc;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--xray-bg);
  color: var(--xray-text);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.xray-header {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--xray-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--xray-bg);
  z-index: 10;
}

.xray-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.xray-header .back-link {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.875rem;
}

.split-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.code-panel {
  flex: 1;
  background-color: var(--xray-code-bg);
  border-right: 1px solid var(--xray-border);
  overflow-y: auto;
  padding: 2rem;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

.code-panel pre {
  margin: 0;
  white-space: pre-wrap;
}

.preview-panel {
  flex: 1;
  background-color: white; /* Default browser background for previews */
  color: black;            /* Default browser text color */
  overflow-y: auto;
  padding: 2rem;
  position: relative;
}

/* Syntax Highlighting Tokens */
.token.tag { color: #569cd6; }
.token.attr { color: #9cdcfe; }
.token.string { color: #ce9178; }
.token.comment { color: #6a9955; font-style: italic; }
.token.keyword { color: #c586c0; }
.token.function { color: #dcdcaa; }
.token.highlight { background-color: rgba(255, 255, 0, 0.2); border-radius: 4px; }