/* 必填属性字段样式 */
.required-attribute-field {
    position: relative;
}

/* 空值必填字段的特殊样式 */
.required-attribute-field:has(select:invalid),
.required-attribute-field:has(select[value=""]),
.required-attribute-field:has(select:not([value])) {
    border: 2px solid #ef4444 !important;
    border-radius: 6px;
    background-color: #fef2f2;
    padding: 8px;
    margin: 4px 0;
}

/* 必填字段标签样式 */
.required-attribute-field label {
    font-weight: 600;
    color: #dc2626;
}

/* 必填字段标签后添加星号 */
.required-attribute-field label::after {
    content: " *";
    color: #ef4444;
    font-weight: bold;
}

/* 选择框样式 */
.required-attribute-field select {
    border-color: #d1d5db;
    transition: border-color 0.2s ease-in-out;
}

.required-attribute-field select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 空值时的选择框样式 */
.required-attribute-field:has(select:invalid) select,
.required-attribute-field:has(select[value=""]) select,
.required-attribute-field:has(select:not([value])) select {
    border-color: #ef4444 !important;
    background-color: #fef2f2;
}

/* 帮助文本样式 */
.required-attribute-field .fi-fo-field-wrp-helper-text {
    color: #dc2626;
    font-weight: 500;
}

/* 表单提交按钮禁用状态 */
.form-has-empty-required button[type="submit"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 错误提示样式 */
.required-field-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    padding: 12px;
    margin: 8px 0;
    color: #dc2626;
    font-size: 14px;
}

.required-field-error::before {
    content: "⚠️ ";
    margin-right: 8px;
}