* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #ffffff;
  --card: #ffffff;
  --text: #1c2333;
  --text-muted: #7a8299;
  --accent: #2563eb;
  --accent-dark: #1e3a8a;
  --green: #34d399;
  --border: #e4e8f2;
  --user-bg: #eef0f5;
  --code-bg: #141b2e;
}

body {
  font-family: 'Manrope', 'Noto Color Emoji', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
}

/* ---------- Chat ---------- */
.chat {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.chat:empty::before {
  content: "";
  margin: auto;
}