/* 
 * 激活码提取系统样式
 * 作者: AI助手
 * 日期: 2025-06-28
 */

/* 全局样式 */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --background-color: #f5f7fa;
    --card-background: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e1e8ed;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background-color: var(--card-background);
    box-shadow: var(--shadow-sm);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-icon {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-speed);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* 主内容样式 */
.main {
    flex: 1;
    padding: 40px 0;
}

/* 卡片样式 */
.card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 30px;
    margin-bottom: 30px;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-align: center;
}

.card-subtitle {
    font-size: 1rem;
    text-align: center;
    color: var(--text-secondary);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed);
    outline: none;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background-color: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    display: block;
    width: 100%;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* 激活码显示样式 */
.code-display {
    background-color: #f8f9fa;
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius-md);
    padding: 20px;
    text-align: center;
    margin: 20px 0;
}

.code-value {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

/* 状态消息样式 */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
    border-left: 4px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left-color: var(--secondary-color);
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left-color: var(--accent-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left-color: var(--primary-color);
}

/* 统计卡片样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--text-primary);
}

.table tr:hover {
    background-color: #f8f9fa;
}

/* 页脚样式 */
.footer {
    background-color: var(--card-background);
    padding: 30px 0;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 15px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* 列表样式 */
ul {
    padding-left: 0.5rem;
    margin-bottom: 1rem;
}

ul.list-disc {
    list-style-type: none;
}

ul li {
    margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-links li {
        margin: 0 10px;
    }
    
    .card {
        padding: 25px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* 移动端列表样式 */
    ul {
        padding-left: 0.5rem;
    }
    
    ul.list-disc {
        list-style-position: inside;
        padding-left: 0.5rem;
    }
    
    ul.list-disc li {
        padding-left: 0.5rem;
    }
}

@media (max-width: 480px) {
    .main {
        padding: 30px 0;
    }
    
    .card {
        padding: 20px;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .code-value {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }
    
    /* 移动端列表样式 */
    ul {
        padding-left: 0.5rem;
    }
    
    ul.list-disc {
        list-style-position: inside;
        padding-left: 0.5rem;
    }
    
    ul.list-disc li {
        padding-left: 0.5rem;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 管理员登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 50px auto;
}

.login-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 30px;
}

.login-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-primary);
}

/* 导入表单样式 */
.import-form {
    margin-bottom: 30px;
}

/* 历史记录样式 */
.history-container {
    max-height: 400px;
    overflow-y: auto;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
    }
}

/* 筛选按钮样式 */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 12px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.filter-btn {
    padding: 6px 16px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-speed);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
    transform: translateY(-1px);
}

/* 徽章样式 */
.badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    color: #2ecc71;
}

.badge-warning {
    color: #e74c3c;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 25px;
    flex-wrap: wrap;
    padding: 15px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.pagination-btn {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.pagination-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.pagination-btn:hover::before {
    left: 100%;
}

.pagination-btn:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 16px rgba(52, 152, 219, 0.4);
}

.pagination-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2980b9 100%);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 6px 16px rgba(52, 152, 219, 0.4);
    transform: translateY(-2px) scale(1.08);
}

.pagination-btn i {
    margin: 0 4px;
    font-size: 0.75rem;
}

.pagination-dots {
    padding: 0 8px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
}

/* 文本居中 */
.text-center {
    text-align: center;
}