:root {
  --bg: #0f1720; --card: #17212b; --text: #e8eef4; --muted: #93a4b5;
  --green: #22c55e; --red: #ef4444; --line: #273444;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--text);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.card {
  width: 100%; max-width: 420px; background: var(--card); border-radius: 20px;
  padding: 32px 24px; text-align: center; box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
.avatar {
  width: 84px; height: 84px; margin: 0 auto 12px; border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #22c55e); display: grid; place-items: center;
  font-size: 38px; font-weight: 700;
}
h1 { font-size: 24px; margin: 4px 0 12px; }
.lead { color: var(--muted); line-height: 1.5; margin: 0 0 20px; }
.small { color: var(--muted); font-size: 13px; margin: 14px 0 0; }
.field { display: block; text-align: left; font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.field input {
  display: block; width: 100%; margin-top: 6px; padding: 14px; font-size: 17px; border-radius: 12px;
  border: 1px solid var(--line); background: #0f1720; color: var(--text);
}
.consent { display: flex; gap: 10px; text-align: left; font-size: 14px; line-height: 1.45; margin-bottom: 20px; cursor: pointer; }
.consent input { width: 22px; height: 22px; flex: none; margin-top: 1px; accent-color: var(--green); }
.btn {
  border: 0; border-radius: 999px; padding: 16px 22px; font-size: 18px; font-weight: 600;
  color: white; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
}
.btn svg { width: 22px; height: 22px; fill: currentColor; }
.btn:disabled { opacity: .4; cursor: default; }
.call { background: var(--green); width: 100%; }
.hang { background: var(--red); }
.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.controls { display: flex; gap: 12px; justify-content: center; margin-top: 22px; }
.state { font-size: 20px; margin: 8px 0; }
.timer { font-size: 34px; font-variant-numeric: tabular-nums; margin: 4px 0 10px; }
.meter { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin: 12px 30px 0; }
.meter div { height: 100%; width: 0; background: var(--green); transition: width .1s; }
.rec { color: #f87171; }