/* 定制主题色 */
:root {
    --bs-primary: #2c3e50;
    --bs-secondary: #1abc9c;
}

/* 全局样式 */
body {
    background-color: #f8f9fa;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 卡片样式 */
.card {
    border: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* 按钮样式 */
.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn-primary:hover {
    background-color: #34495e;
    border-color: #34495e;
    opacity: 0.9;
}

.btn-outline-secondary {
    border-color: var(--bs-secondary);
    color: var(--bs-secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--bs-secondary);
    border-color: var(--bs-secondary);
    opacity: 0.9;
}

/* 表单样式 */
.form-label {
    font-weight: 500;
}

.form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(44, 62, 80, 0.25);
}

/* 验证码样式 */
.captcha-container {
    display: flex;
    gap: 10px;
}

.captcha-image {
    background-color: #e9ecef;
    padding: 10px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 3px;
    user-select: none;
    cursor: pointer;
    min-width: 100px;
    text-align: center;
}

/* 错误信息样式 */
.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* 页脚样式 */
footer {
    background-color: #fff;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid #e9ecef;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--bs-primary) !important;
}

.navbar-brand,
.nav-link {
    color: #fff !important;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* 分页样式 */
.pagination.justify-content-center .page-item.active .page-link {
    background-color: transparent !important;
    border-color: var(--bs-primary) !important;
    color: var(--bs-primary) !important;
    font-weight: bold !important;
    padding: 0.5rem 0.75rem !important;
    text-align: center !important;
    min-width: 2rem !important;
    display: inline-block !important;
    box-shadow: none !important;
}

.pagination .page-link {
    background-color: transparent !important;
    color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
    padding: 0.5rem 0.75rem !important;
    text-align: center !important;
    min-width: 2rem !important;
    display: inline-block !important;
    overflow: visible !important;
    white-space: nowrap !important;
    border-radius: 4px !important;
    transition: all 0.2s ease !important;
}

.pagination .page-link:hover {
    background-color: rgba(44, 62, 80, 0.1) !important;
    color: #34495e !important;
    border-color: #34495e !important;
}

/* 确保分页按钮文本不溢出 */
.pagination li {
    display: inline-block !important;
    margin: 0 2px !important;
}

/* 帖子标题样式 */
.post-title {
    color: var(--bs-primary);
    transition: color 0.3s ease;
    display: block;
    overflow: hidden;
}

.post-title:hover {
    color: #34495e;
    text-decoration: none;
}

.post-title h5 {
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 热门帖子排行样式 */
.card-body ul.list-unstyled li .flex-grow-1 a {
    display: block;
    overflow: hidden;
    text-decoration: none;
}

.card-body ul.list-unstyled li .flex-grow-1 a h6 {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 帖子元信息样式 */
.post-meta {
    font-size: 0.875rem;
    color: #6c757d;
}

/* 统计卡片样式 */
.stats-card {
    margin-bottom: 2rem;
}

/* 帖子卡片样式 */
.post-card {
    margin-bottom: 1.5rem;
}