/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 导航样式 */
.main-nav {
    background-color: #34495e;
}

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

.main-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem 1.5rem;
    transition: background-color 0.3s;
}

.main-nav a:hover, .main-nav .active a {
    background-color: #3498db;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

.btn-primary {
    background-color: #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-success {
    background-color: #2ecc71;
}

.btn-success:hover {
    background-color: #27ae60;
}

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

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

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    font-weight: 600;
}

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

/* 登录页面样式 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #ecf0f1;
}

.login-box {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1, .login-box h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.login-box h2 {
    margin-bottom: 2rem;
    color: #34495e;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px 15px;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
}

.login-links {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.login-links a {
    color: #3498db;
    text-decoration: none;
}

.login-links a:hover {
    text-decoration: underline;
}

/* 消息提示样式 */
.message {
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
}

/* 主内容区样式 */
main {
    padding: 2rem 0;
    min-height: calc(100vh - 136px);
}

section {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

section h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem 0;
}

/* 状态标签样式 */
.status-pending {
    color: #f39c12;
    font-weight: 500;
}

.status-active {
    color: #2ecc71;
    font-weight: 500;
}

.status-ended {
    color: #95a5a6;
    font-weight: 500;
}

/* 首页样式 */
.main-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-options {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.option-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    width: 100%;
    max-width: 300px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.option-card h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.option-card p {
    margin-bottom: 1.5rem;
    color: #7f8c8d;
}

.game-info {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.hero-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 1rem;
    list-style-position: inside;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .login-options {
        flex-direction: column;
        align-items: center;
    }
    
    .option-card {
        max-width: 100%;
    }
    
    header .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
    }
    
    .main-nav a {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* 通用工具类 */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.inline-form {
    display: inline;
}

.no-data {
    text-align: center;
    color: #7f8c8d;
    padding: 2rem 0;
}

.hint {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-top: 5px;
}