.app-container {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    position: fixed;
    left: -260px; /* 默认隐藏在左侧 */
    top: 0;
    height: 100%;
    width: 260px;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    border-right: 1px solid #00d4ff;
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    padding: 20px 0;
    z-index: 1020;
    transition: left 0.3s ease-in-out;
}

.sidebar.is-open {
    left: 0; /* 显示侧边栏 */
}
.sidebar-header {
    padding: 0 20px 20px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}
.sidebar-header h3 {
    color: #00d4ff;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    margin: 0;
}
.sidebar-nav {
    list-style: none;
    padding: 20px 0;
    margin: 0;
    flex-grow: 1;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: #c0c0c0;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
    background-color: rgba(0, 212, 255, 0.1);
    color: #fff;
    border-left: 3px solid #00d4ff;
    padding-left: 22px; /* 25px - 3px */
}
.sidebar-nav a i {
    margin-right: 15px;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}
.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}
.main-content {
    flex-grow: 1;
    padding: 30px;
    padding-left: 80px; /* 为切换按钮留出空间 */
    overflow-y: auto;
    z-index: 1000;
    transition: padding-left 0.3s ease-in-out;
}

.sidebar.is-open ~ .main-content {
    padding-left: 290px; /* 侧边栏宽度 + 间距 */
}

/* 当用户未登录时，应用容器不是flex布局 */
body:has(.auth-page) .app-container {
    display: block;
}
/* Dashboard Card Styles */
.dashboard-card {
    background: rgba(10, 25, 47, 0.85);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    color: #fff;
    transition: all 0.3s ease;
    height: 100%; /* 确保卡片在网格行中高度一致 */
}

.dashboard-card:hover {
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.dashboard-card .card-header {
    background-color: rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    color: #00d4ff;
    font-weight: bold;
}

.dashboard-card .card-body {
    color: #c0c0c0;
}

.dashboard-card .form-label {
    color: #00d4ff;
}

.dashboard-card .form-control,
.dashboard-card .form-select {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid #00d4ff;
    color: #fff;
}

.dashboard-card .form-control:focus,
.dashboard-card .form-select:focus {
    background-color: rgba(0, 0, 0, 0.5);
    border-color: #fff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    color: #fff;
}

.dashboard-card .nav-tabs .nav-link {
    color: #c0c0c0;
    border: none;
    border-bottom: 2px solid transparent;
}

.dashboard-card .nav-tabs .nav-link.active {
    color: #00d4ff;
    background-color: transparent;
    border-bottom: 2px solid #00d4ff;
}
/* Auth Page Styles */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 450px;
    background: rgba(10, 25, 47, 0.85);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    color: #fff;
    animation: fadeIn 0.5s ease-out;
}

.auth-card .card-header {
    background-color: rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    color: #00d4ff;
    font-weight: bold;
    text-align: center;
    font-size: 1.5rem;
}

.auth-card .card-body {
    padding: 30px;
    color: #c0c0c0;
}

.auth-card .form-label {
    color: #00d4ff;
}

.auth-card .form-control {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid #00d4ff;
    color: #fff;
}

.auth-card .form-control:focus {
    background-color: rgba(0, 0, 0, 0.5);
    border-color: #fff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    color: #fff;
}

.auth-card .btn-primary {
    background: linear-gradient(45deg, #00d4ff, #008cff);
    border: none;
    transition: all 0.3s ease;
}

.auth-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.auth-card .text-center a {
    color: #00d4ff;
    text-decoration: none;
}

.auth-card .text-center a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.sidebar-toggler {
    display: block; /* 始终显示 */
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1050;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid #00d4ff;
    color: #00d4ff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    transition: left 0.3s ease-in-out;
}

.sidebar.is-open + .main-content .sidebar-toggler {
    left: 275px; /* 侧边栏宽度 + 间距 */
}

/* 移动端响应式布局 */
@media (max-width: 768px) {
    .main-content {
        padding: 70px 15px 15px 15px; /* 调整内边距，为切换按钮留出空间 */
    }

    .sidebar.is-open ~ .main-content {
        padding-left: 15px;
    }

    .sidebar.is-open + .main-content .sidebar-toggler {
        left: 15px;
    }

    /* 当侧边栏打开时，可以添加一个遮罩层 */
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }

    .overlay.is-visible {
        display: block;
    }
}

/* logs.html specific styles */
.logs-table-container {
    background-color: #000 !important;
    color: #fff !important;
}

.logs-table-container .card {
    background-color: #1a1a1a !important;
    border-color: #333 !important;
}

.logs-table-container .card-header {
    background-color: #222 !important;
    border-bottom-color: #333 !important;
}

.logs-table-container .table {
    color: #fff !important;
}

.logs-table-container .table thead th {
    background-color: #333 !important;
    color: #fff !important;
}

.logs-table-container .table tbody tr {
    background-color: #222 !important;
    border-bottom-color: #333 !important;
}

.logs-table-container .table tbody tr:hover {
    background-color: #333 !important;
}

.logs-table-container .btn-primary {
    background: #000 !important;
    color: #fff !important;
    border: 1px solid #fff !important;
}

.modal-content {
    background-color: #1a1a1a;
    border-color: #333;
    color: #fff;
}

/* 确保模态框和遮罩在最顶层，覆盖可能的冲突样式 */
.modal-backdrop {
    z-index: 1050;
}
.modal {
    z-index: 1060;
}

/* 修复：系统公告模态框按钮无法点击 —— 背景遮罩覆盖并拦截事件 */
.modal-backdrop {
  pointer-events: none !important; /* 禁用遮罩的点击拦截，让事件传递到模态框内容 */
}

/* 保障模态框内部任何元素可点击 */
.modal.show .modal-dialog,
.modal-content {
  pointer-events: auto !important;
}

/* 提升层级，避免其他叠层（侧边栏/粒子/自定义卡片）覆盖 */
.modal {
  z-index: 2000 !important;
}
.modal-backdrop {
  z-index: 1990 !important;
}