* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: #fff;
  color: #111;
  min-height: 100vh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
main {
  max-width: 520px;
  margin: 0 auto;
  padding: 56px 24px 40px;
}
header h1 { font-size: 32px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
header .sub { font-size: 15px; color: #666; margin: 4px 0 32px; }

.body { font-size: 16px; line-height: 1.45; color: #333; margin: 0 0 24px; }

.big {
  width: 100%;
  background: #111;
  color: #fff;
  border: 0;
  border-radius: 16px;
  padding: 22px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 120ms ease;
}
.big:active { background: #000; }
.big.recording { background: #d11; }
.big.recording:active { background: #b00; }
.big:disabled { background: #999; cursor: default; }

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: #666;
  font-size: 14px;
}
.spinner {
  width: 14px; height: 14px;
  border: 2px solid #ccc;
  border-top-color: #111;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.block { margin-top: 24px; }
.label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
}
.text { font-size: 18px; line-height: 1.4; margin-top: 6px; }

audio { width: 100%; margin-top: 24px; }

.link {
  background: none;
  border: 0;
  color: #888;
  font-size: 13px;
  margin-top: 32px;
  width: 100%;
  text-decoration: underline;
  cursor: pointer;
  padding: 8px;
}

@media (prefers-color-scheme: dark) {
  body { background: #0a0a0a; color: #f5f5f5; }
  header .sub { color: #999; }
  .body { color: #ddd; }
  .big { background: #f5f5f5; color: #111; }
  .big:active { background: #fff; }
  .label { color: #888; }
  .status { color: #999; }
  .spinner { border-color: #333; border-top-color: #f5f5f5; }
  .link { color: #888; }
}