html:not(.maintenance-ok) body {
  overflow: hidden;
}

.maintenance-gate {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(243, 241, 255, 0.98) 100%),
    radial-gradient(circle at 30% 20%, rgba(107, 78, 255, 0.12), transparent 50%);
  font-family: Inter, system-ui, sans-serif;
  color: #14141f;
}

.maintenance-gate__panel {
  width: min(100%, 420px);
  text-align: center;
}

.maintenance-gate__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  padding: 0.35rem 0.5rem;
  border: none;
  background: none;
  cursor: default;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: inherit;
}

.maintenance-gate__mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6b4eff, #8a6bff);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1rem;
  font-weight: 800;
  user-select: none;
}

.maintenance-gate h1 {
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.65rem;
}

.maintenance-gate p {
  color: #5b5b6a;
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 0.35rem;
}

.maintenance-gate__hint {
  font-size: 0.78rem;
  color: #9494a8;
  margin-top: 1.25rem;
}

.maintenance-gate__login {
  display: none;
  margin-top: 1.35rem;
  text-align: left;
}

.maintenance-gate__login.is-visible {
  display: block;
  animation: maintenanceIn 0.35s ease;
}

@keyframes maintenanceIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.maintenance-gate__login label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.maintenance-gate__login input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #ebebf0;
  border-radius: 10px;
  font: inherit;
  margin-bottom: 0.65rem;
}

.maintenance-gate__login input:focus {
  outline: none;
  border-color: #6b4eff;
  box-shadow: 0 0 0 3px rgba(107, 78, 255, 0.18);
}

.maintenance-gate__login button {
  width: 100%;
  padding: 0.65rem;
  border-radius: 10px;
  border: none;
  background: #6b4eff;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.maintenance-gate__login button:hover {
  background: #5538e8;
}

.maintenance-gate__error {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: #c5221f;
}

.maintenance-gate__error.is-visible {
  display: block;
}