/* 云端同步登录引导与提示 */
.cloud-mask {
  position: fixed;
  inset: 0;
  z-index: 21;
  background: rgba(44, 38, 32, 0.4);
}

.cloud-mask[hidden],
.cloud-dialog[hidden] {
  display: none;
}

.cloud-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 22;
  width: 420px;
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line);
  background: var(--paper-2);
  box-shadow: 0 18px 48px rgba(44, 38, 32, 0.22);
}

.cloud-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-3);
}

.cloud-head strong {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.cloud-close {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--paper-4);
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.cloud-close:hover {
  border-color: var(--gold);
  color: var(--ink);
}

.cloud-body {
  padding: 16px 16px 8px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.cloud-body p {
  margin: 0 0 8px;
}

.cloud-note {
  color: var(--muted);
  font-size: 12px;
}

.cloud-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 16px 16px;
}

.cloud-btn {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--paper-3);
  color: var(--ink-soft);
  font-size: 12px;
  cursor: pointer;
}

.cloud-btn:hover {
  border-color: var(--gold);
  color: var(--ink);
}

.cloud-btn-primary {
  border-color: rgba(166, 58, 46, 0.55);
  background: rgba(166, 58, 46, 0.1);
  color: var(--cinnabar-dark);
}

.cloud-btn-ghost {
  background: transparent;
}

.cloud-toast {
  position: fixed;
  left: 50%;
  bottom: 72px;
  z-index: 30;
  transform: translateX(-50%) translateY(10px);
  max-width: calc(100vw - 32px);
  padding: 9px 16px;
  border-radius: 3px;
  background: rgba(44, 38, 32, 0.94);
  color: #f5ead6;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cloud-toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 480px) {
  .cloud-dialog {
    width: calc(100vw - 24px);
  }

  .cloud-foot .cloud-btn {
    flex: 1 1 auto;
  }
}