/**
 * @file: message-handler.css
 * @version: 1.0.0
 * @last_modified: 'git' is not recognized as an internal or external command,
operable program or batch file.
 * @author: 开发团队
 * 
 * @description:
 * Message handler functionality
 * 
 * @components:
 * - .message-container: [Add description]
 * - .message-container-inner: [Add description]
 * - .message-alert: [Add description]
 * - .message-content: [Add description]
 * - .btn-close: [Add description]
 * - .stacked: [Add description]
 * - .removing: [Add description]
 * 
 * @dependencies:
 * - [Add dependencies here]
 * 
 * @changelog:
 * - 1.0.0 ('git' is not recognized as an internal or external command,
operable program or batch file.): Initial version
 *//* 消息容器 - 固定在导航栏下方 */
.message-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1055;
    pointer-events: none;
    padding: 0;
}

/* 消息容器内部布局 - 居右显示，支持批量消息 */
.message-container-inner {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-end;
    padding: 1rem;
    min-height: 0;
    padding-right: 1.5rem;
    gap: 0.75rem;
    /* 消息间距 */
    /* 与浏览器右侧边缘保持间距 */
}

/* 基础消息样式 - 浮层卡片 */
.message-alert {
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 0;
    position: relative;
    pointer-events: auto;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: slideInDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: right top;

    /* 自适应宽度和高度 - 支持文本换行 */
    display: flex;
    align-items: flex-start;
    min-width: 250px;
    max-width: 400px;
    width: auto;
    min-height: 3rem;
    white-space: normal;
    /* 允许文本换行 */
    word-wrap: break-word;
    /* 长单词自动换行 */
    word-break: break-word;
    /* 兼容性更好的换行 */
    padding: 1rem 3rem 1rem 1.5rem;
    font-weight: 500;
    font-size: 0.95rem;
    gap: 0.5rem;
    line-height: 1.4;
    /* 增加行高提升可读性 */
}

/* 消息文本内容区域 */
.message-alert .message-content {
    flex: 1;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding-top: 0.1rem;
    /* 微调对齐 */
}

/* 消息动画 - 优化的弹性动画 */
@keyframes slideInDown {
    0% {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }

    60% {
        opacity: 1;
        transform: translateY(5px) scale(1.02);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideOutUp {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
}

/* 消息关闭动画 */
.message-alert.fade:not(.show) {
    animation: slideOutUp 0.3s cubic-bezier(0.4, 0, 1, 1);
}

/* 消息图标样式 - 优化对齐 */
.message-alert i {
    margin-right: 0.5rem;
    font-size: 1.1em;
    flex-shrink: 0;
    /* 防止图标被压缩 */
    margin-top: 0.1rem;
    /* 微调垂直对齐 */
}

/* 成功消息 - 现代化浮层样式 */
.alert-success.message-alert {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.95) 0%, rgba(40, 167, 69, 0.85) 100%);
    color: #ffffff;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-success.message-alert i {
    color: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* 错误消息 - 现代化浮层样式 */
.alert-danger.message-alert {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.95) 0%, rgba(220, 53, 69, 0.85) 100%);
    color: #ffffff;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.alert-danger.message-alert i {
    color: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* 警告消息 - 现代化浮层样式 */
.alert-warning.message-alert {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.95) 0%, rgba(255, 193, 7, 0.85) 100%);
    color: #212529;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.alert-warning.message-alert i {
    color: #212529;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* 信息消息 - 现代化浮层样式 */
.alert-info.message-alert {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.95) 0%, rgba(23, 162, 184, 0.85) 100%);
    color: #ffffff;
    border: 1px solid rgba(23, 162, 184, 0.3);
}

.alert-info.message-alert i {
    color: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* 关闭按钮样式优化 - 绝对定位防止覆盖内容 */
.message-alert .btn-close {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    filter: invert(1);
    opacity: 0.8;
    transition: opacity 0.2s ease;
    padding: 0.5rem;
    margin: 0;
    z-index: 1;
    flex-shrink: 0;
}

.message-alert .btn-close:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

/* 响应式设计 - 针对浮层优化 */
@media (max-width: 768px) {
    .message-container-inner {
        padding: 0.75rem;
        padding-right: 1rem;
        /* 平板端减少右侧间距 */
    }

    .message-alert {
        max-width: calc(100vw - 3rem);
        min-width: 220px;
        border-radius: 10px;
        font-size: 0.9rem;
        padding: 0.875rem 2.5rem 0.875rem 1.25rem;
        /* 保持关闭按钮空间 */
    }

    .message-alert i {
        font-size: 1em;
        margin-right: 0.4rem;
    }

    .message-alert .btn-close {
        right: 0.75rem;
        padding: 0.4rem;
    }
}

@media (max-width: 576px) {
    .message-container-inner {
        padding: 0.5rem;
        padding-right: 0.75rem;
        /* 手机端进一步减少右侧间距 */
    }

    .message-alert {
        max-width: calc(100vw - 2rem);
        min-width: 200px;
        font-size: 0.85rem;
        padding: 0.75rem 2.25rem 0.75rem 1rem;
        /* 手机端保持关闭按钮空间 */
        border-radius: 8px;
        white-space: normal;
        /* 手机端允许换行 */
        line-height: 1.4;
    }

    .message-alert .btn-close {
        right: 0.5rem;
        padding: 0.375rem;
        font-size: 0.8rem;
    }

    .message-alert i {
        margin-right: 0.3rem;
        flex-shrink: 0;
        /* 防止图标被压缩 */
    }
}

/* 多消息堆叠样式 - 优化间距和动画 */
.message-alert.stacked {
    margin-top: 0.75rem;
    animation-delay: 0.1s;
}

/* 消息移除动画 - 平滑向上收缩 */
@keyframes slideOutUpCollapse {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
        max-height: 200px;
        margin-bottom: 0.75rem;
    }

    50% {
        opacity: 0;
        transform: translateY(-15px) scale(0.98);
        max-height: 200px;
        margin-bottom: 0.75rem;
    }

    100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
        max-height: 0;
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
}

/* 应用收缩动画到即将移除的消息 */
.message-alert.removing {
    animation: slideOutUpCollapse 0.4s cubic-bezier(0.4, 0, 1, 1) forwards;
}

/* 导航栏高度适配 */
.navbar-admin+* .message-container {
    top: 80px;
    /* 根据实际导航栏高度调整 */
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .message-alert {
        border-width: 2px;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .alert-success.message-alert {
        background: #28a745;
        border-color: #1e7e34;
    }

    .alert-danger.message-alert {
        background: #dc3545;
        border-color: #bd2130;
    }

    .alert-warning.message-alert {
        background: #ffc107;
        border-color: #e0a800;
        color: #212529;
    }

    .alert-info.message-alert {
        background: #17a2b8;
        border-color: #138496;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .message-alert {
        animation: none;
        transition: opacity 0.2s ease;
    }

    .message-alert.fade:not(.show) {
        animation: none;
        opacity: 0;
    }
}