/* ===== Toast 通知系统 ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.3s, opacity 0.3s;
}

.toast.hiding {
  animation: toastOut 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-success {
  background: #F0FFF4;
  color: #22543D;
  border: 1px solid #C6F6D5;
}

.toast-error {
  background: #FFF5F5;
  color: #742A2A;
  border: 1px solid #FED7D7;
}

.toast-warning {
  background: #FFFAF0;
  color: #744210;
  border: 1px solid #FEEBC8;
}

.toast-info {
  background: #EBF8FF;
  color: #2A4365;
  border: 1px solid #BEE3F8;
}

.toast-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.toast-msg {
  flex: 1;
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  opacity: 0.6;
  padding: 0;
  line-height: 1;
}
.toast-close:hover { opacity: 1; }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
@keyframes toastOut {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(100%); opacity: 0; }
}

/* 移动端适配 */
@media (max-width: 500px) {
  .toast-container {
    top: auto;
    bottom: 20px;
    right: 12px;
    left: 12px;
  }
  .toast {
    min-width: 0;
    max-width: 100%;
  }
  @keyframes toastIn {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }
  @keyframes toastOut {
    from { transform: translateY(0);    opacity: 1; }
    to   { transform: translateY(100%); opacity: 0; }
  }
}