/* 引入外部字体 */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Poppins:wght@300;400;600&display=swap');

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 定义变量 */
:root {
    --bg-color: #000000;
    --gold-color: #D4AF37;
    --gold-light: rgba(212, 175, 55, 0.8);
    --text-color: #ffffff;
    --text-secondary: #cccccc;
    --border-color: rgba(212, 175, 55, 0.3);
    --shadow: 0 4px 20px rgba(212, 175, 55, 0.2);
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
}

/* 页面切换动画 */
.page {
    display: none;
    opacity: 0;
    transition: all 0.5s ease;
    width: 100%;
    max-width: 600px;
}

.page.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo样式 */
.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--gold-color), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
    line-height: 1.3;
}

.logo h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold-color);
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.2;
}

/* 表单容器 */
.form-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

/* 表单样式 */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gold-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus {
    border-color: var(--gold-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
    background: rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* 错误信息 */
.error-message {
    color: #ff4757;
    font-size: 0.85rem;
    margin-bottom: 20px;
    text-align: center;
    min-height: 20px;
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(45deg, var(--gold-color), var(--gold-light));
    color: var(--bg-color);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    opacity: 0.95;
}

.btn:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--gold-color);
    border: 1px solid var(--gold-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

/* 管理员链接样式 */
.admin-link {
    margin-top: 20px;
    text-align: center;
}

.admin-link .btn {
    margin-top: 10px;
}

/* 查询结果容器 */
.result-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

/* 用户信息和赛事信息 */
.user-info, .event-info {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.user-info h2, .event-info h2 {
    color: var(--gold-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* 信息项样式 */
.info-item, .result-item {
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.info-item .label, .result-item .label {
    font-weight: 600;
    color: var(--gold-color);
    font-size: 0.95rem;
}

.info-item span:last-child, .result-item span:last-child {
    color: var(--text-color);
    font-size: 1rem;
}

/* 高亮信息 */
.highlight {
    font-size: 1.2rem !important;
    font-weight: 700;
    color: var(--gold-color) !important;
}

/* 备注样式 */
.remark {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--gold-color);
    border-radius: 8px;
    padding: 15px;
    margin-top: 25px;
}

.remark p {
    color: var(--gold-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.remark strong {
    color: var(--gold-color);
}

/* 返回按钮 */
#backBtn {
    margin-top: 30px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .form-container, .result-container {
        padding: 25px;
    }
    
    .form-group input {
        padding: 10px 12px;
    }
    
    .btn {
        padding: 12px;
        font-size: 1rem;
    }
    
    .user-info, .event-info {
        padding: 15px;
    }
    
    .info-item, .result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .highlight {
        font-size: 1.1rem !important;
    }
}

/* 底部版权信息 */
.footer {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    padding: 30px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-content p {
    margin: 8px 0;
}

.footer-content p:last-child {
    margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
    }
    
    .logo h2 {
        font-size: 1.2rem;
    }
    
    .form-container, .result-container {
        padding: 25px;
    }
    
    .footer {
        padding: 20px 15px;
        margin-top: 30px;
    }
    
    .footer-content {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .logo h2 {
        font-size: 1rem;
    }
    
    .form-container, .result-container {
        padding: 20px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .footer {
        padding: 15px 10px;
    }
    
    .footer-content {
        font-size: 0.8rem;
        line-height: 1.6;
    }
}