/* 认证页面样式 */
.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('https://youke2.picui.cn/s1/2025/12/10/693996ea19f42.png') center/cover no-repeat;
    position: relative;
    padding: 80px 20px 40px;
}

.auth-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.auth-container {
    position: relative;
    z-index: 2;
    display: flex;
    max-width: 1200px;
    width: 100%;
    min-height: 600px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* 左侧图片区域 */
.auth-image {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    min-height: 600px;
}

.auth-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
    padding: 40px;
}

.image-overlay h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.image-overlay p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 右侧表单区域 */
.auth-form-container {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.auth-form {
    width: 100%;
    max-width: 400px;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

.form-header p {
    color: #666;
    font-size: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-error {
    display: block;
    color: #e17055;
    font-size: 0.85rem;
    margin-top: 5px;
    min-height: 20px;
}

/* 密码输入框 */
.password-input {
    position: relative;
}

.password-input input {
    padding-right: 50px;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: #666;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: #667eea;
}

/* 验证码输入组 */
.code-input-group {
    display: flex;
    gap: 10px;
}

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

.code-btn {
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.code-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.code-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #666;
    position: relative;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    background-color: #f8f9fa;
    border: 2px solid #e1e8ed;
    border-radius: 4px;
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password,
.terms-link,
.privacy-link {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password:hover,
.terms-link:hover,
.privacy-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* 提交按钮 */
.auth-btn-submit {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.auth-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

/* 表单切换 */
.form-switch {
    text-align: center;
    color: #666;
    font-size: 0.95rem;
}

.switch-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    margin-left: 5px;
    transition: color 0.3s ease;
}

.switch-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-container {
        flex-direction: column;
        max-width: 500px;
        margin: 20px;
    }
    
    .auth-image {
        min-height: 200px;
    }
    
    .auth-form-container {
        padding: 40px 30px;
    }
    
    .form-header h2 {
        font-size: 1.8rem;
    }
    
    .image-overlay h2 {
        font-size: 2rem;
    }
    
    .image-overlay p {
        font-size: 1rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .code-input-group {
        flex-direction: column;
    }
    
    .code-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .auth-form-container {
        padding: 30px 20px;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .auth-container {
        margin: 10px;
    }
    
    .image-overlay h2 {
        font-size: 1.8rem;
    }
}

/* 动画效果 */
.auth-form {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
}

.auth-form.active {
    opacity: 1;
    transform: translateX(0);
}

/* 加载状态 */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}