/* ============================================================
   Global Toast / Notification System
   — 三站共享，轻量级，无依赖
   ============================================================ */

.bd-toast-stack {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 360px;
}
.bd-toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card, #fff);
  border: 1px solid var(--line, #e5e7eb);
  border-left: 4px solid var(--brand, #4f46e5);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  font-size: 14px;
  line-height: 1.4;
  color: var(--t, #1e1b4b);
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.25s;
  animation: bd-toast-in 0.35s forwards;
}
.bd-toast.bd-toast-leave {
  animation: bd-toast-out 0.3s forwards;
}
@keyframes bd-toast-in {
  to { transform: translateX(0); opacity: 1; }
}
@keyframes bd-toast-out {
  to { transform: translateX(120%); opacity: 0; }
}
.bd-toast .bd-toast-ico {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
}
.bd-toast .bd-toast-body {
  flex: 1;
  min-width: 0;
}
.bd-toast .bd-toast-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2px;
}
.bd-toast .bd-toast-msg {
  font-size: 13px;
  color: var(--m, #6b7280);
}
.bd-toast .bd-toast-close {
  background: none;
  border: none;
  font-size: 16px;
  color: var(--m, #6b7280);
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.6;
}
.bd-toast .bd-toast-close:hover { opacity: 1; }

/* Type variants */
.bd-toast.bd-success { border-left-color: var(--good, #16a34a); }
.bd-toast.bd-warning { border-left-color: #f59e0b; }
.bd-toast.bd-error   { border-left-color: var(--bad, #dc2626); }
.bd-toast.bd-info    { border-left-color: var(--brand, #4f46e5); }
.bd-toast.bd-success .bd-toast-ico { content: attr(data-ico); }

/* Mobile: bottom-aligned, full width */
@media (max-width: 520px) {
  .bd-toast-stack {
    top: auto;
    bottom: 80px;
    left: 12px;
    right: 12px;
    max-width: none;
  }
  .bd-toast {
    animation: bd-toast-in-mobile 0.35s forwards;
  }
  .bd-toast.bd-toast-leave {
    animation: bd-toast-out-mobile 0.3s forwards;
  }
  @keyframes bd-toast-in-mobile {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
  }
  @keyframes bd-toast-out-mobile {
    to { transform: translateY(100%); opacity: 0; }
  }
}