:root {
  --bg: #0b0d12;
  --card: #141824;
  --text: #f0f3ff;
  --muted: #a8b0c3;
  --accent: #5cc8ff;
  --accent-2: #25d19f;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--text);
}
.container {
  max-width: 900px; margin: 32px auto; padding: 24px;
  background: var(--card); border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
h1 { margin-top: 0; }
form#setup-form { display: grid; gap: 12px; }
.row { display: grid; gap: 6px; }
label { color: var(--muted); font-size: 14px; }
input, select, button {
  padding: 12px 14px; border-radius: 10px; border: 1px solid #23283a;
  background: #0f1320; color: var(--text); outline: none;
}
button {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: none; font-weight: 600; cursor: pointer;
}
#live { margin-top: 24px; }
#status { color: var(--muted); margin-bottom: 10px; }
#vu { background: #0f1320; border-radius: 999px; height: 16px; overflow: hidden; border: 1px solid #23283a; margin-bottom: 12px; }
#bar { height: 100%; width: 2%; background: var(--accent-2); transition: width .08s linear; }
#tips { color: var(--muted); margin-bottom: 12px; font-size: 14px; }
#transcript {
  border: 1px solid #23283a; border-radius: 12px; padding: 12px; background: #0f1320;
  min-height: 120px; max-height: 360px; overflow: auto; line-height: 1.5;
}
.msg { margin: 6px 0; }
.msg.you { color: #c9ffc0; }
.msg.ai { color: #d0e0ff; }