:root {
  --bg: #0f1115;
  --card: #181b22;
  --fg: #f5f6f8;
  --muted: #9aa3b2;
  --accent: #5b8cff;
  --accent-fg: #fff;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
}

h1 {
  font-size: 20px;
  margin: 8px 0 6px;
}

p {
  color: var(--muted);
  margin: 6px 0 16px;
}

.hint {
  font-size: 13px;
  margin-top: 12px;
}

.btn {
  display: block;
  width: 100%;
  padding: 14px 16px;
  margin: 8px 0 0;
  border: 0;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid #2a2f3a;
}

.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Shared-beacon overlay, above the CTA in every state. */
.beacon {
  background: #12151c;
  border: 1px solid #2a2f3a;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 16px;
  text-align: left;
}

.beacon-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.beacon-title {
  font-weight: 600;
  margin-top: 2px;
}

.beacon-snippet {
  color: var(--muted);
  font-size: 14px;
  margin-top: 4px;
}

.spinner {
  width: 28px;
  height: 28px;
  margin: 8px auto;
  border: 3px solid #2a2f3a;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}