#notificationCenterButton[hidden],
.notification-center-overlay[hidden],
.notification-center-drawer[hidden],
.notification-center-badge[hidden] { display: none !important; }

.notification-center-overlay {
  position: fixed;
  z-index: 120;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  background: rgba(20, 28, 38, 0.34);
}

.notification-center-drawer {
  display: flex;
  width: min(400px, 100vw);
  height: 100%;
  flex-direction: column;
  border-left: 1px solid var(--line);
  color: var(--text);
  background: var(--surface);
  box-shadow: -12px 0 32px rgba(31, 35, 41, 0.16);
}

.notification-center-head {
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
}

.notification-center-head h2 { margin: 0; font-size: 18px; }
.notification-center-close { width: 36px; min-height: 36px; padding: 0; font-size: 24px; line-height: 1; }
.notification-center-live { min-height: 18px; margin: 10px 18px 0; color: var(--muted); font-size: 13px; }

.notification-center-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.notification-center-tabs button { min-height: 34px; border-color: transparent; color: var(--muted); background: transparent; }
.notification-center-tabs button.is-active { border-color: rgba(51, 112, 255, 0.26); color: var(--accent); background: rgba(51, 112, 255, 0.08); }

.notification-center-content { flex: 1; padding: 14px 18px 26px; overflow-y: auto; }
.notification-center-item { padding: 14px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; background: var(--surface-2); }
.notification-center-item + .notification-center-item { margin-top: 10px; }
.notification-center-project { color: var(--muted); font-size: 12px; }
.notification-center-item h3 { margin: 5px 0 9px; font-size: 15px; }
.notification-center-item p { margin: 6px 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.notification-center-next-step { color: var(--text) !important; }
.notification-center-action { display: inline-block; margin-top: 8px; color: var(--accent); font-size: 13px; font-weight: 700; }
.notification-center-empty, .notification-center-warning { margin: 16px 0; color: var(--muted); line-height: 1.6; }
.notification-center-warning { color: var(--danger); }
.notification-center-message, .notification-center-updated-at { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.notification-center-coverage { margin: 18px 0 0; color: var(--soft); font-size: 12px; }

#notificationCenterButton { position: relative; }
.notification-center-badge { position: absolute; top: -5px; right: -6px; display: grid; min-width: 17px; height: 17px; padding: 0 3px; place-items: center; border: 2px solid var(--surface); border-radius: 999px; color: #fff; font-size: 11px; font-weight: 800; line-height: 1; background: var(--danger); }
body.notification-center-open { overflow: hidden; }

@media (max-width: 640px) {
  .notification-center-drawer { width: 100vw; border-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .notification-center-overlay, .notification-center-drawer { transition: none; }
}