/* Dot grid background texture */
.dot-grid-bg {
  background-color: #0b0f13;
  background-image: radial-gradient(rgba(255, 255, 255, 0.065) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Custom sleek dark scrollbar */
.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #1c2230;
  border-radius: 9999px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: #283145;
}

/* Markdown typography in chat message (Matches Screenshot) */
.markdown-body {
  color: #e2e8f0;
  font-size: 0.9375rem; /* 15px */
  line-height: 1.75;
  letter-spacing: -0.01em;
}
.markdown-body p {
  margin-bottom: 0.9rem;
}
.markdown-body p:last-child {
  margin-bottom: 0;
}
.markdown-body strong {
  color: #ffffff;
  font-weight: 600;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  color: #ffffff;
  font-weight: 700;
  margin-top: 1.35rem;
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}
.markdown-body h1 { font-size: 1.4rem; }
.markdown-body h2 { font-size: 1.25rem; }
.markdown-body h3 { font-size: 1.1rem; }

.markdown-body ul, .markdown-body ol {
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}
.markdown-body ul { list-style-type: disc; }
.markdown-body ol { list-style-type: decimal; }
.markdown-body li {
  margin-bottom: 0.4rem;
}
.markdown-body li::marker {
  color: #94a3b8;
}

.markdown-body blockquote {
  border-left: 3px solid #10b981;
  padding-left: 0.9rem;
  color: #94a3b8;
  margin: 1rem 0;
  font-style: italic;
  background: rgba(16, 185, 129, 0.05);
  border-radius: 0 0.5rem 0.5rem 0;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

/* Code Blocks */
.markdown-body pre {
  background: #090c12 !important;
  border: 1px solid #1e2536;
  border-radius: 0.875rem;
  padding: 1rem;
  margin: 1rem 0;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.55;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.markdown-body code:not(pre code) {
  background: #151a26;
  color: #38bdf8;
  border: 1px solid #222a3d;
  padding: 0.15rem 0.4rem;
  border-radius: 0.375rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
}

/* Elegant Card Tables (Matches Screenshot) */
.markdown-body table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.25rem 0;
  border-radius: 0.875rem;
  overflow: hidden;
  border: 1px solid #1e2537;
  background: #0e121b;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}
.markdown-body th {
  background: #141a27;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #1e2537;
  text-align: left;
}
.markdown-body td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #171d2b;
  color: #cbd5e1;
  font-size: 0.875rem;
}
.markdown-body tr:last-child td {
  border-bottom: none;
}
.markdown-body tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

/* User Message Bubble (Pill Shaped Bubble on Right) */
.user-bubble {
  background: #161c28;
  border: 1px solid #242c3d;
  color: #f8fafc;
  border-radius: 1.25rem;
  border-bottom-right-radius: 0.35rem;
  padding: 0.85rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

/* KaTeX formula display styling */
.katex-display {
  margin: 1rem 0 !important;
  padding: 0.5rem 0;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Pulsing typing cursor */
.typing-cursor {
  display: inline-block;
  width: 6px;
  height: 16px;
  background-color: #10b981;
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 0.8s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}