.maintenance-notice-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: maintenanceFade 0.18s ease;
}

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

.maintenance-notice-window {
  position: relative;
  display: grid;
  width: min(620px, 100%);
  gap: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  background: var(--panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
  animation: maintenanceRise 0.2s ease;
}

.maintenance-notice-window::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--buy), var(--warning), var(--accent));
}

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

.maintenance-notice-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.maintenance-notice-brand img {
  width: 48px;
  height: 48px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--card);
}

.maintenance-notice-brand span {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
}

.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-intro h2 {
  margin: 0;
  max-width: 520px;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.maintenance-notice-intro p {
  max-width: 520px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.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: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  border: 1px solid rgba(53, 212, 154, 0.24);
  border-radius: 12px;
  background: rgba(53, 212, 154, 0.07);
}

.maintenance-notice-live {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #c8d7d1;
  font-size: 13px;
  font-weight: 700;
}

.maintenance-notice-live i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #35d49a;
  box-shadow: 0 0 12px rgba(53, 212, 154, 0.76);
}

.maintenance-notice-content strong {
  color: #35d49a;
  font-size: 16px;
}

.maintenance-notice-schedule {
  display: grid;
  gap: 4px;
  text-align: right;
}

.maintenance-notice-schedule span,
.maintenance-notice-schedule small {
  display: block;
}

.maintenance-notice-schedule small {
  color: #9fb4ad;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.4;
}

.maintenance-notice-countdown {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  background: var(--card);
}

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

.maintenance-notice-countdown > span {
  color: #9fb4c1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.maintenance-notice-countdown strong {
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(20px, 5vw, 30px);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.025em;
  text-shadow: none;
}

.maintenance-notice-countdown.is-opening strong {
  color: #35d49a;
}

.maintenance-notice-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.maintenance-notice-action {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 0 20px;
  background: linear-gradient(135deg, #167bc0, var(--brand));
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.maintenance-notice-telegram {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(42, 171, 238, 0.58);
  border-radius: 8px;
  padding: 0 20px;
  background: rgba(42, 171, 238, 0.1);
  color: #7dccff;
  font-weight: 800;
  text-decoration: none;
}

.maintenance-notice-telegram:hover,
.maintenance-notice-telegram:focus-visible {
  background: rgba(42, 171, 238, 0.18);
  color: #bce8ff;
  outline: 2px solid rgba(42, 171, 238, 0.28);
  outline-offset: 2px;
}

.maintenance-notice-official {
  margin: -8px 0 0;
  color: #77838c;
  font-size: 11px;
  text-align: center;
}

.maintenance-notice-action:hover,
.maintenance-notice-action:focus-visible {
  background: linear-gradient(135deg, var(--brand), #167bc0);
  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;
  }

  .maintenance-notice-actions {
    grid-template-columns: 1fr;
  }

  .maintenance-notice-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .maintenance-notice-schedule {
    text-align: left;
  }

  .maintenance-notice-countdown {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}

@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;
  }
}