/* Blog管理系统自定义样式 */
:root {
    --primary-color: #4361ee;
    --secondary-color: #6c757d;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #f8f9fa;
    --card-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.075);
}

body {
    background-color: #f5f7fb;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

.card-header {
    border-radius: 0.5rem 0.5rem 0 0 !important;
}

/* 查询表单样式 */
.form-label {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.input-group-sm {
    border-radius: 0.375rem;
    overflow: hidden;
}

.input-group-text {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    transition: all 0.2s ease;
}

.input-group:focus-within .input-group-text {
    background-color: #e9ecef;
    border-color: #4361ee;
}

.form-control, .form-select {
    border-color: #dee2e6;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #4361ee;
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.15);
}

/* 按钮样式 */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #3a56d4;
    border-color: #3a56d4;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: #6c757d;
    border-color: #dee2e6;
}

.btn-outline-secondary:hover {
    background-color: #f8f9fa;
    color: #495057;
    border-color: #adb5bd;
}

.btn-group-sm > .btn {
    border-radius: 0.375rem;
    margin-right: 0.25rem;
}

.btn-group-sm > .btn:last-child {
    margin-right: 0;
}

/* 表格样式 */
.table {
    margin-bottom: 0;
}

.table th {
    border-top: none;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
}

.table td {
    vertical-align: middle;
    border-color: #f1f3f4;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.03);
}

.table-light {
    background-color: #f8f9fa;
}

/* 徽章样式 */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35em 0.65em;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}

/* 下拉菜单 */
.dropdown-menu {
    border: none;
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background-color: rgba(67, 97, 238, 0.08);
}

/* 图标样式 */
.fas, .far {
    width: 1em;
    text-align: center;
}

/* 空状态样式 */
.text-muted i {
    opacity: 0.5;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .d-flex.justify-content-between.align-items-center .btn {
        margin-top: 1rem;
    }

    .card-body .row > [class*="col-"] {
        margin-bottom: 1rem;
    }

    .btn-group {
        display: flex;
    }

    .btn-group .btn {
        flex: 1;
    }

    .table-responsive {
        border-radius: 0.5rem;
        border: 1px solid #f1f3f4;
    }

    .table th, .table td {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* 动画效果 */
.card, .btn, .badge {
    transition: all 0.3s ease;
}

/* 滚动条样式 */
.table-responsive::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 加载状态 */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* 自定义工具类 */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.border-dashed {
    border-style: dashed !important;
}

.shadow-sm {
    box-shadow: var(--card-shadow) !important;
}


/* 分页样式 */
.pagination {
    margin-bottom: 0;
}

.page-link {
    color: #4361ee;
    border: 1px solid #dee2e6;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.page-link:hover {
    color: #3a56d4;
    background-color: #f8f9fa;
    border-color: #dee2e6;
}

.page-item.active .page-link {
    background-color: #4361ee;
    border-color: #4361ee;
    color: white;
}

.page-item.disabled .page-link {
    color: #6c757d;
    background-color: #f8f9fa;
    border-color: #dee2e6;
}

/* 分页容器样式 */
.pagination-sm .page-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* 分页信息样式 */
.text-muted small {
    font-size: 0.875rem;
}

/* 响应式分页调整 */
@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        gap: 1rem;
    }

    .d-flex.justify-content-between.align-items-center > div {
        text-align: center;
    }
}

/* 文本截断 */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 详情页面专用样式 */

/* 内容区域样式 */
.content-box {
    background-color: #f8f9fa;
    border-left: 4px solid #4361ee;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #2d3748;
}

.content-box p {
    margin-bottom: 1rem;
}

.content-box h1,
.content-box h2,
.content-box h3,
.content-box h4,
.content-box h5,
.content-box h6 {
    color: #2d3748;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.content-box h1 {
    font-size: 2rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.content-box h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.3rem;
}

.content-box ul,
.content-box ol {
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.content-box li {
    margin-bottom: 0.5rem;
}

.content-box blockquote {
    border-left: 4px solid #4361ee;
    padding-left: 1rem;
    margin-left: 0;
    font-style: italic;
    color: #4a5568;
    background-color: #f7fafc;
    padding: 1rem;
    border-radius: 0 0.375rem 0.375rem 0;
}

.content-box code {
    background-color: #edf2f7;
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
    color: #e53e3e;
}

.content-box pre {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.content-box pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
}

.content-box table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.content-box table th,
.content-box table td {
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    text-align: left;
}

.content-box table th {
    background-color: #f7fafc;
    font-weight: 600;
}

.content-box table tr:nth-child(even) {
    background-color: #f7fafc;
}

/* 图片卡片样式 */
.image-card {
    overflow: hidden;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.image-card:hover {
    transform: translateY(-2px);
}

.image-card img {
    transition: all 0.3s ease;
}

.image-overlay {
    transition: all 0.3s ease;
    pointer-events: none;
}

/* 模态框样式 */
.modal-content {
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.modal-header {
    padding: 1rem 1.5rem 0;
}

.modal-body {
    padding: 1rem 1.5rem;
}

.modal-footer {
    padding: 0 1.5rem 1rem;
}

/* 徽章样式增强 */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35em 0.65em;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-secondary {
    background-color: #6c757d !important;
}

/* 过渡效果 */
.transition-all {
    transition: all 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .d-flex.justify-content-between.align-items-center .btn-group {
        margin-top: 1rem;
        width: 100%;
    }

    .btn-group .btn {
        flex: 1;
    }

    .content-box {
        padding: 1rem !important;
    }

    .col-md-4.col-sm-6 {
        margin-bottom: 1rem;
    }

    .image-card img {
        height: 150px !important;
    }
}

/* 打印样式 */
@media print {
    .btn-group,
    .card-header,
    .badge {
        display: none !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
    }

    .content-box {
        background: white !important;
        border: none !important;
        padding: 0 !important;
    }
}

/* 辅助类 */
.opacity-0 {
    opacity: 0;
}

.opacity-25 {
    opacity: 0.25;
}

.opacity-100 {
    opacity: 1;
}

.bg-opacity-0 {
    background-color: rgba(0, 0, 0, 0) !important;
}

.bg-opacity-50 {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

/* 表单页面专用样式 */

/* 文件上传区域样式 */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 0.75rem;
    background-color: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.file-upload-area:hover {
    border-color: #4361ee;
    background-color: #f0f4ff;
}

.file-upload-dragover {
    border-color: #4361ee !important;
    background-color: #e6f0ff !important;
}

.file-upload-content {
    pointer-events: none;
}

.file-upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-area button {
    pointer-events: auto;
}

/* 预览图片卡片样式 */
.preview-image-card {
    transition: all 0.3s ease;
}

.preview-image-card:hover {
    transform: translateY(-2px);
}

.preview-image-card .btn {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-image-card:hover .btn {
    opacity: 1;
}

/* 已有图片卡片样式 */
.existing-image-card {
    position: relative;
    transition: all 0.3s ease;
}

.existing-image-card:hover {
    transform: translateY(-1px);
}

.existing-badge .badge {
    font-size: 0.65rem;
    padding: 0.25em 0.5em;
}

/* 表单输入组样式 */
.input-group-text {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    transition: all 0.2s ease;
}

.input-group:focus-within .input-group-text {
    background-color: #e9ecef;
    border-color: #4361ee;
}

.form-control, .form-select {
    border-color: #dee2e6;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #4361ee;
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.15);
}

/* 文本区域样式 */
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* 表单验证样式 */
.is-invalid {
    border-color: #e74c3c !important;
}

.is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25) !important;
}

.invalid-feedback {
    display: none;
    font-size: 0.875rem;
    color: #e74c3c;
}

.is-invalid ~ .invalid-feedback {
    display: block;
}

/* 必填字段星号样式 */
.text-danger {
    color: #e74c3c !important;
}

/* 卡片标题样式 */
.card-title {
    color: #2d3748;
    font-weight: 600;
}

/* 操作按钮样式 */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #4361ee;
    border-color: #4361ee;
}

.btn-primary:hover {
    background-color: #3a56d4;
    border-color: #3a56d4;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: #6c757d;
    border-color: #dee2e6;
}

.btn-outline-secondary:hover {
    background-color: #f8f9fa;
    color: #495057;
    border-color: #adb5bd;
}

.btn-danger {
    background-color: #e74c3c;
    border-color: #e74c3c;
}

.btn-danger:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .d-flex.justify-content-between.align-items-center .btn {
        margin-top: 1rem;
    }

    .file-upload-content {
        padding: 2rem 1rem !important;
    }

    .file-upload-content h5 {
        font-size: 1rem;
    }

    .file-upload-content p {
        font-size: 0.875rem;
    }

    .col-md-3, .col-sm-4, .col-6 {
        margin-bottom: 1rem;
    }

    .preview-image-card .btn,
    .existing-image-card .badge {
        opacity: 1; /* 在移动设备上始终显示按钮和徽章 */
    }

    .d-flex.justify-content-between .btn {
        width: 48%;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.preview-image-card,
.existing-image-card {
    animation: fadeIn 0.3s ease;
}

/* 空状态样式 */
.file-upload-content .fa-cloud-upload-alt {
    opacity: 0.7;
}

/* 图标样式 */
.fas, .far {
    width: 1em;
    text-align: center;
}