/**
 * 轻量仿 Element Plus：全局 Message / MessageBox 样式与过渡（不依赖 Vue）
 */
.el-message-stack {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
    max-width: calc(100vw - 32px);
}

.el-message {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 300px;
    max-width: 90vw;
    padding: 10px 15px;
    box-sizing: border-box;
    border-width: 1px;
    border-style: solid;
    border-radius: 4px;
    background-color: #fff;
    box-shadow: 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 6px 16px 0 rgba(0, 0, 0, 0.08);
    font-size: 14px;
    line-height: 1.5;
    color: #606266;
    transition:
        opacity 0.28s ease,
        transform 0.28s cubic-bezier(0.34, 1.2, 0.64, 1);
    opacity: 0;
    transform: translateY(-18px) scale(0.96);
}

.el-message.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.el-message.is-leaving {
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
}

.el-message--success {
    border-color: #e1f3d8;
    background-color: #f0f9eb;
    color: #67c23a;
}

.el-message--warning {
    border-color: #faecd8;
    background-color: #fdf6ec;
    color: #e6a23c;
}

.el-message--error {
    border-color: #fde2e2;
    background-color: #fef0f0;
    color: #f56c6c;
}

.el-message--info {
    border-color: #e4e7ed;
    background-color: #fff;
    color: #606266;
}

.el-message__icon {
    flex-shrink: 0;
    font-size: 16px;
    line-height: 1;
}

.el-message__content {
    flex: 1;
    word-break: break-word;
}

/* —— MessageBox（仿 ElMessageBox.alert）—— */
.el-msgbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 20000;
    background-color: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.el-msgbox-overlay.is-visible {
    opacity: 1;
}

.el-msgbox-overlay.is-leaving {
    opacity: 0;
}

.el-msgbox-wrap {
    position: fixed;
    inset: 0;
    z-index: 20001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    pointer-events: none;
}

.el-msgbox {
    pointer-events: auto;
    width: 420px;
    max-width: 100%;
    padding: 0;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transform: scale(0.92);
    opacity: 0;
    transition:
        opacity 0.22s ease,
        transform 0.22s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.el-msgbox.is-visible {
    opacity: 1;
    transform: scale(1);
}

.el-msgbox.is-leaving {
    opacity: 0;
    transform: scale(0.92);
}

.el-msgbox__header {
    padding: 16px 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: #303133;
}

.el-msgbox__body {
    padding: 12px 20px 20px;
    font-size: 14px;
    color: #606266;
    line-height: 1.6;
    word-break: break-word;
}

.el-msgbox__footer {
    padding: 0 20px 16px;
    text-align: right;
}

.el-msgbox__btn {
    display: inline-block;
    padding: 8px 18px;
    font-size: 14px;
    border-radius: 4px;
    border: 1px solid #dcdfe6;
    background: #fff;
    color: #606266;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.el-msgbox__btn--primary {
    border-color: #409eff;
    background: #409eff;
    color: #fff;
}

.el-msgbox__btn--primary:hover {
    background: #66b1ff;
    border-color: #66b1ff;
}

.el-msgbox__btn:hover {
    color: #409eff;
    border-color: #c6e2ff;
    background: #ecf5ff;
}