:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --fg: #e8ecef;
  --muted: #7f8790;
  --accent: #f26522;
  --panel: #14171b;
  --danger: #c94040;
  --ok: #3ea169;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100dvh;
}
main {
  max-width: 480px;
  margin: 0 auto;
  padding: max(env(safe-area-inset-top), 16px) 20px env(safe-area-inset-bottom);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
header { text-align: center; padding: 12px 0 24px; }
header h1 { margin: 0; font-size: 34px; letter-spacing: -0.02em; }
header .tag { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.panel {
  background: var(--panel);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.panel.hidden { display: none; }

label { color: var(--muted); font-size: 14px; }
input {
  background: #1e2228;
  color: var(--fg);
  border: 1px solid #2b313a;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 17px;
}
button.big {
  font-size: 20px;
  padding: 18px 20px;
  border-radius: 16px;
  border: none;
  background: var(--accent);
  color: #111;
  font-weight: 600;
  cursor: pointer;
}
button.big.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid #2b313a;
}
button.big:active { transform: scale(0.98); }
.hint { color: var(--muted); font-size: 13px; margin: 0; }

#statusRow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  color: var(--muted);
}
#clock { margin-left: auto; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 0 rgba(242,101,34,0.7);
}
.dot.listening { background: var(--accent); }
.dot.speaking { background: var(--ok); animation: pulse 1s infinite; }
.dot.error { background: var(--danger); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(62,161,105,0.6); }
  70% { box-shadow: 0 0 0 12px rgba(62,161,105,0); }
  100% { box-shadow: 0 0 0 0 rgba(62,161,105,0); }
}
#transcript, #coach {
  min-height: 28px;
  font-size: 16px;
  border-radius: 12px;
  padding: 12px 14px;
  background: #1a1d21;
}
#transcript { color: var(--muted); font-style: italic; }
#coach { color: var(--fg); }

dl#summary { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; }
dl#summary dt { color: var(--muted); }
dl#summary dd { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

footer {
  margin-top: auto;
  text-align: center;
  padding: 20px 0;
  color: var(--muted);
  font-size: 12px;
}
footer a { color: var(--muted); }