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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.form-box {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.form-box h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.hint {
    display: block;
    margin-top: 5px;
    color: #999;
    font-size: 12px;
}

/* 验证码组 */
.verify-code-group {
    display: flex;
    gap: 10px;
}

.verify-code-group input {
    flex: 1;
}

/* 图形验证码组 */
.captcha-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-group input {
    flex: 1;
}

.captcha-image {
    width: 120px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.captcha-image:hover {
    border-color: #667eea;
}

/* 按钮样式 */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #f0f0f0;
    color: #666;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 表单底部 */
.form-footer {
    margin-top: 20px;
    text-align: center;
    color: #666;
}

.form-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* 首页样式 */
.home-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f5f5f5;
}

.header {
    background: white;
    padding: 20px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    color: #667eea;
    font-size: 24px;
}

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

.user-info span {
    color: #333;
    font-weight: 500;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow: hidden;
}

.game-frame {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.game-frame iframe {
    width: 100%;
    height: 100%;
}