:root {
  --red: #9c2f2f;
  --red-dark: #7f2727;
  --bg: #0f0f0f;
  --bg-elev: #181818;
  --bg-elev2: #141414;
  --border: #222;
  --text: #e8e8e8;
  --text-muted: #a3a3a3;
  --text-faint: #666;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.display {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

nav {
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(12px);
}

.btn-primary {
  background-color: var(--red);
  color: white;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--red-dark);
}

.btn-secondary {
  background: transparent;
  border: 1px solid #333;
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: #222;
  border-color: #444;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
}

.card:hover {
  border-color: #2a2a2a;
}

.benchmark-table {
  border-collapse: separate;
  border-spacing: 0;
}

.benchmark-table th,
.benchmark-table td {
  padding: 6px 8px;
}

.benchmark-table tr {
  border-bottom: 1px solid var(--border);
}

.benchmark-table tbody tr:hover {
  background: #181818;
}

.chat-container {
  scrollbar-width: thin;
  scrollbar-color: #333 #111;
}

.chat-container::-webkit-scrollbar {
  width: 4px;
}

.chat-container::-webkit-scrollbar-thumb {
  background: #333;
}

.message {
  max-width: 78%;
  padding: 8px 11px;
  line-height: 1.35;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.user-msg {
  background-color: var(--red);
  color: white;
}

.bot-msg {
  background-color: #1f1f1f;
  border: 1px solid #2a2a2a;
}

.section-header {
  font-size: 1.65rem;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.nav-link {
  color: var(--text-muted);
  transition: color 0.1s ease;
}

.nav-link:hover {
  color: var(--text);
}

.subtle-grid {
  background-image: 
    linear-gradient(rgba(156, 47, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 47, 47, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
}

.accent {
  color: var(--red);
}

#chat-input:focus {
  border-color: #444;
  background: #1a1a1a;
}

.benchmark-table tbody tr:first-child {
  background: #181818;
}

footer a {
  color: #555;
  text-decoration: none;
}

footer a:hover {
  color: #888;
}

#login-modal {
  animation: fadeIn 0.1s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}