/* 内网隧道 — 未配置公钥提示（蓝色主基调 · 轻量专业） */
.uia-tunnel-key-notice {
  position: fixed;
  inset: 0;
  z-index: 10062;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.uia-tunnel-key-notice.is-open {
  opacity: 1;
  pointer-events: auto;
}

.uia-tunnel-key-notice.is-hidden {
  display: none;
}

.uia-tunnel-key-notice__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.22);
  backdrop-filter: blur(8px) saturate(112%);
  -webkit-backdrop-filter: blur(8px) saturate(112%);
}

.uia-tunnel-key-notice__panel {
  position: relative;
  z-index: 1;
  width: min(22.5rem, 90vw);
  padding: 1.375rem 1.375rem 1.125rem;
  border-radius: 1rem;
  background: linear-gradient(168deg, #ffffff 0%, #f8fbff 55%, #eff6ff 100%);
  border: 1px solid rgba(191, 219, 254, 0.75);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 18px 42px rgba(37, 99, 235, 0.1),
    0 6px 18px rgba(15, 23, 42, 0.04);
  transform: translateY(8px) scale(0.985);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
}

.uia-tunnel-key-notice.is-open .uia-tunnel-key-notice__panel {
  transform: translateY(0) scale(1);
}

.uia-tunnel-key-notice__accent {
  position: absolute;
  top: 0;
  left: 1rem;
  right: 1rem;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, #1d4ed8 0%, #3b82f6 52%, #60a5fa 100%);
}

.uia-tunnel-key-notice__head {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.uia-tunnel-key-notice__icon {
  flex-shrink: 0;
  width: 2.375rem;
  height: 2.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.6875rem;
  background: linear-gradient(145deg, #dbeafe 0%, #bfdbfe 100%);
  color: #2563eb;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.12);
}

.uia-tunnel-key-notice__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.uia-tunnel-key-notice__text {
  flex: 1;
  min-width: 0;
  padding-top: 0.0625rem;
}

.uia-tunnel-key-notice__title {
  margin: 0 0 0.375rem;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: #0f172a;
}

.uia-tunnel-key-notice__message {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  font-weight: 400;
  color: #64748b;
}

.uia-tunnel-key-notice__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.25rem;
  padding-top: 0.875rem;
  border-top: 1px solid rgba(219, 234, 254, 0.9);
}

.uia-tunnel-key-notice__btn {
  min-width: 5rem;
  padding: 0.5rem 1.125rem;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 0.5625rem;
  border: 1px solid #2563eb;
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
  transition:
    background 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

.uia-tunnel-key-notice__btn:hover {
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.24);
}

.uia-tunnel-key-notice__btn:active {
  transform: scale(0.98);
}

.uia-tunnel-key-notice__btn:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: 2px;
}

body.uia-tunnel-key-notice-open {
  overflow: hidden;
}