/* 全局自定义样式 - 现代化博客设计 */

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #2d2d44;
    --text-primary: #1a1a2e;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --danger: #dc2626;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    line-height: 1.6;
    background-color: #f5f7fa;
    color: #212529;
}

/* Bootstrap 覆盖样式 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #3d3d54 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 26, 46, 0.2);
}

.form-control {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    background: var(--bg-light);
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 26, 46, 0.1);
    background: var(--bg-white);
}

/* 卡片样式 */
.card {
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* 徽章样式 */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 12px;
}

.badge-primary {
    background: var(--primary-color);
    color: white;
}

.badge-secondary {
    background: var(--bg-light);
    color: var(--text-secondary);
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--secondary-color);
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* 消息提示 */
.alert {
    border-radius: 12px;
    border: none;
    padding: 16px 20px;
}

.alert-success {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: #047857;
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #dc2626;
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: #b45309;
}

.alert-info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #1d4ed8;
}

/* 分页样式 */
.pagination {
    gap: 8px;
}

.page-link {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    transition: all 0.2s;
}

.page-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    body {
        padding-top: 0;
    }
    
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}