:root {
  --bg: #0b1220;
  --card: #121a2b;
  --text: #e7ecff;
  --muted: #a9b4d0;
  --border: rgba(231, 236, 255, 0.12);
  --btn: #4f7cff;
  --btn2: #23304d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 900px at 20% 10%, rgba(79,124,255,0.25), transparent 50%),
              radial-gradient(1200px 900px at 80% 20%, rgba(61,214,163,0.18), transparent 55%),
              var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  padding: 24px;
  margin: 0 auto;
}

.header h1 { margin: 0 0 4px 0; font-size: 22px; }
.sub { margin: 0; color: var(--muted); font-size: 14px; }

.card {
  background: rgba(18, 26, 43, 0.92);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin: 16px 0;
}

.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.label { color: var(--muted); font-size: 13px; }
.value { display: flex; gap: 10px; align-items: center; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.chat { padding: 0; overflow: hidden; }
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(18, 26, 43, 0.6);
}

.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--btn2);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.chip:hover { filter: brightness(1.08); }
.chip:active { filter: brightness(0.98); }
.messages { padding: 16px; height: 340px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }

.bubble {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  white-space: pre-wrap;
  line-height: 1.35;
}
.bubble.user { align-self: flex-end; background: rgba(79,124,255,0.12); }
.bubble.assistant { align-self: flex-start; background: rgba(61,214,163,0.10); }

.chatForm {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: rgba(18, 26, 43, 0.6);
}

.input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(11, 18, 32, 0.7);
  color: var(--text);
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--btn);
  color: white;
  cursor: pointer;
}

.btn.secondary { background: var(--btn2); border: 1px solid var(--border); }

.hint { padding: 0 12px 12px 12px; color: var(--muted); font-size: 13px; }
.hint.small { padding: 0; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

.form { display: flex; flex-direction: column; gap: 10px; }
.out {
  background: rgba(11, 18, 32, 0.65);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  color: var(--muted);
  overflow: auto;
}

.footer { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 10px; }
.footer a { color: var(--text); text-decoration: none; border-bottom: 1px dotted var(--border); }
.sep { opacity: 0.7; }