.maintenance-notice-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.74);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: maintenanceFade 0.18s ease;
}

.maintenance-notice-backdrop[hidden] {
  display: none;
}

.maintenance-notice-window {
  display: grid;
  width: min(540px, 100%);
  gap: 20px;
  border: 1px solid rgba(89, 184, 246, 0.34);
  border-radius: var(--radius);
  padding: 26px;
  background: #18191c;
  box-shadow: var(--shadow);
  animation: maintenanceRise 0.2s ease;
}

.maintenance-notice-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.maintenance-notice-status {
  margin: 0 0 7px;
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.maintenance-notice-header h2 {
  margin: 0;
  font-size: clamp(25px, 5vw, 34px);
  line-height: 1.12;
}

.maintenance-notice-close {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.maintenance-notice-close:hover,
.maintenance-notice-close:focus-visible {
  border-color: var(--brand-strong);
  color: var(--brand-strong);
  outline: none;
}

.maintenance-notice-content {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.maintenance-notice-content p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.maintenance-notice-content p:first-child {
  color: var(--text);
  font-weight: 700;
}

.maintenance-notice-action {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #06202f;
  font-weight: 800;
  cursor: pointer;
}

.maintenance-notice-action:hover,
.maintenance-notice-action:focus-visible {
  background: linear-gradient(135deg, var(--brand-strong), var(--brand));
  outline: 2px solid rgba(89, 184, 246, 0.35);
  outline-offset: 2px;
}

body.maintenance-notice-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .maintenance-notice-backdrop {
    align-items: end;
    padding: 12px;
  }

  .maintenance-notice-window {
    gap: 16px;
    padding: 20px;
  }
}

@keyframes maintenanceFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes maintenanceRise {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .maintenance-notice-backdrop,
  .maintenance-notice-window {
    animation: none;
  }
}