:root {
  --bg: #04080c;
  --fg: #d8f3ff;
  --muted: #6f93a3;
  --accent: #50d2ff;
  --line: rgba(80, 210, 255, 0.25);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(40, 120, 160, 0.25), transparent 60%),
    linear-gradient(rgba(80, 210, 255, 0.04) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(80, 210, 255, 0.04) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  height: 100vh;
  overflow: hidden;
}
main {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 16px 16px;
}
header {
  width: 100%;
  max-width: 900px;
  display: flex;
  justify-content: space-between;
  font-size: 18px;
  letter-spacing: 0.35em;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(80, 210, 255, 0.6);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}
#clock { letter-spacing: 0.15em; color: var(--muted); }
#orb {
  position: relative;
  width: min(360px, 48vh);
  height: min(360px, 48vh);
  margin-top: 12px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  padding: 0;
  flex: none;
  touch-action: manipulation;
  cursor: pointer;
}
#orb canvas { width: 100%; height: 100%; display: block; }
#orb-label {
  position: absolute;
  left: 50%;
  bottom: -4px;
  transform: translateX(-50%);
  font-size: 16px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
  white-space: nowrap;
}
body[data-state="thinking"] #orb-label { color: #ffb040; }
#status {
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 18px 0 10px;
  text-align: center;
  min-height: 30px;
}
#transcript {
  flex: 1;
  width: 100%;
  max-width: 900px;
  overflow-y: auto;
  font-size: 22px;
  line-height: 1.45;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  mask-image: linear-gradient(to bottom, transparent, #000 24px);
}
#transcript p { margin: 0 0 12px; }
#transcript .user { color: var(--muted); }
#transcript .user::before { content: "DU  "; letter-spacing: 0.2em; font-size: 15px; }
#transcript .assistant::before { content: "JARVIS  "; letter-spacing: 0.2em; font-size: 15px; color: var(--accent); }
#controls { display: flex; gap: 24px; align-items: center; padding-top: 12px; }
#controls button, #controls a {
  font-size: 18px;
  letter-spacing: 0.1em;
  padding: 12px 20px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: rgba(80, 210, 255, 0.05);
  color: var(--fg);
  text-decoration: none;
}