:root {
  --bg: #0e0f12;
  --card: #181a20;
  --border: #2a2d35;
  --fg: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --accent-hot: #ef4444;
  --accent-warm: #f59e0b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    sans-serif;
  min-height: 100vh;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 8px;
}

.lede {
  color: var(--muted);
  margin: 0 0 24px;
}

.footnote {
  color: var(--muted);
  font-size: 13px;
  margin-top: 48px;
}

.cards {
  display: grid;
  gap: 12px;
}

.card {
  display: block;
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  color: var(--fg);
  transition: transform 0.1s, border-color 0.1s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-name {
  font-size: 18px;
  font-weight: 600;
}

.card-meta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.error {
  background: #2a1414;
  border: 1px solid #5a1f1f;
  color: #fca5a5;
  padding: 12px 16px;
  border-radius: 8px;
}

/* fake-site */
.fake-site .back {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.fake-site .biz-meta {
  color: var(--muted);
  margin: 0 0 32px;
}

.fake-site .placeholder {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  color: var(--muted);
}

.voice-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.call-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #062512;
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.25);
  transition: background 0.1s, transform 0.1s;
}

.call-btn:hover {
  transform: translateY(-1px);
}

.call-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.call-btn .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.call-btn.connecting {
  background: var(--accent-warm);
  color: #2a1d05;
}

.call-btn.connecting .dot {
  animation: pulse 1s infinite;
}

.call-btn.live {
  background: var(--accent-hot);
  color: #fff;
}

.call-btn.live .dot {
  animation: pulse 0.7s infinite;
}

.call-btn.ending {
  background: var(--accent-warm);
  color: #2a1d05;
}

.call-status {
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 8px;
  max-width: 260px;
  text-align: right;
}

.call-status.hidden {
  display: none;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}