/* 认证页面样式 */

/* 主要内容区域 */
.auth-main {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* 认证容器 */
.auth-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

/* 认证卡片 */
.auth-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 认证头部 */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.auth-header p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* 表单样式 */
.auth-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: #667eea;
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    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-group input::placeholder {
    color: #adb5bd;
}

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

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.3s ease;
}

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

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

/* 复选框样式 */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e1e5e9;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

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

.forgot-password:hover {
    color: #5a6fd8;
    text-decoration: underline;
}

/* 认证按钮 */
.auth-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.auth-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 分割线 */
.auth-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
    color: #adb5bd;
    font-size: 14px;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e5e9;
    z-index: 1;
}

.auth-divider span {
    background: white;
    padding: 0 16px;
    position: relative;
    z-index: 2;
}

/* 社交登录 */
.social-login {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.social-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    background: white;
    color: #666;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.wechat-btn:hover {
    border-color: #07c160;
    color: #07c160;
}

.qq-btn:hover {
    border-color: #12b7f5;
    color: #12b7f5;
}

/* 认证页脚 */
.auth-footer {
    text-align: center;
    font-size: 14px;
    color: #666;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #5a6fd8;
    text-decoration: underline;
}

/* 错误消息 */
.error-message {
    display: block;
    color: #dc3545;
    font-size: 12px;
    margin-top: 4px;
    min-height: 16px;
}

.form-group.error input {
    border-color: #dc3545;
    background: #fff5f5;
}

.form-group.error input:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: #333;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 10000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: #28a745;
}

.toast.error {
    background: #dc3545;
}

.toast.warning {
    background: #ffc107;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-main {
        padding: 10px;
        padding-top: 90px;
    }
    
    .auth-card {
        padding: 30px 20px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
    
    .social-login {
        flex-direction: column;
    }
    
    .form-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .toast {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 20px 15px;
    }
    
    .auth-header h1 {
        font-size: 22px;
    }
}