body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}
.hint { color: #94a3b8; font-size: 0.9rem; }
.otp-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.otp-card {
  background: #1e293b;
  padding: 2rem;
  border-radius: 12px;
  max-width: 440px;
  width: 90%;
}
.otp-logo {
  display: block;
  max-width: 160px;
  height: auto;
  margin: 0 auto 1rem;
}
.otp-card h1 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  text-align: center;
}
.otp-intro {
  font-size: 0.85rem;
  line-height: 1.45;
  color: #cbd5e1;
  margin: 0 0 1rem;
}
.otp-card input {
  width: 100%;
  box-sizing: border-box;
  margin: 0.5rem 0;
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #f8fafc;
}
.otp-card button {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.65rem 1rem;
  border: 0;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.otp-card button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
#otp-code-row button {
  margin-top: 0.5rem;
}
.proposal-header {
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid #334155;
}
.hero h1 { font-size: 1.75rem; padding: 2rem; }
.not-found { padding: 3rem; text-align: center; }