.site-alert-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 6, 14, .78);
  backdrop-filter: blur(5px);
}
.site-alert-backdrop[hidden] { display: none; }
.site-alert-card {
  width: min(100%, 420px);
  box-sizing: border-box;
  padding: 24px;
  border: 1px solid #26364d;
  border-radius: 18px;
  background: #111c2f;
  color: #f8fafc;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .5);
  font-family: "Segoe UI", Arial, sans-serif;
}
.site-alert-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(245, 158, 11, .14);
  color: #fbbf24;
  font-size: 22px;
  font-weight: 800;
}
.site-alert-title { margin: 0 0 8px; font-size: 1.1rem; }
.site-alert-message { margin: 0; color: #a9bad1; font-size: .9rem; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.site-alert-actions { display: flex; justify-content: flex-end; margin-top: 22px; }
.site-alert-button {
  min-width: 100px;
  padding: 11px 18px;
  border: 0;
  border-radius: 10px;
  background: #10b981;
  color: #052e24;
  cursor: pointer;
  font: 700 .85rem "Segoe UI", Arial, sans-serif;
}
.site-alert-button:hover { background: #34d399; }
.site-alert-button:focus-visible { outline: 3px solid rgba(52, 211, 153, .35); outline-offset: 3px; }
.site-alert-card[data-kind="error"] .site-alert-icon { background: rgba(239, 68, 68, .14); color: #f87171; }
.site-alert-card[data-kind="error"] .site-alert-button { background: #ef4444; color: #fff; }
.site-alert-card[data-kind="success"] .site-alert-icon { background: rgba(16, 185, 129, .14); color: #34d399; }
.site-alert-card[data-kind="info"] .site-alert-icon { background: rgba(59, 130, 246, .14); color: #60a5fa; }
.site-loader {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 11000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  border: 1px solid rgba(52, 211, 153, .35);
  border-radius: 999px;
  background: rgba(8, 18, 32, .94);
  color: #e5fff7;
  box-shadow: 0 12px 35px rgba(0, 0, 0, .35);
  font: 700 .78rem "Segoe UI", Arial, sans-serif;
  letter-spacing: .02em;
  pointer-events: none;
  transform: translateX(-50%);
}
.site-loader[hidden] { display: none; }
.site-loader-spinner {
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border: 2px solid rgba(52, 211, 153, .3);
  border-top-color: #34d399;
  border-radius: 50%;
  animation: site-loader-spin .7s linear infinite;
}
@keyframes site-loader-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .site-loader-spinner { animation-duration: 1.5s; } }
@media (max-width: 480px) {
  .site-alert-card { padding: 20px; border-radius: 15px; }
  .site-alert-button { width: 100%; }
}