/**
 * ITWUYU Forms - Frontend Styles
 */

/* 容器 */
.itwuyu-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.itwuyu-form {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

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

.form-group .required {
    color: #dc3232;
    margin-left: 2px;
}

/* 输入框 */
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

/* 文件上传 */
.form-group input[type="file"] {
    width: 100%;
    padding: 8px 0;
}

.form-group .file-info {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

/* 复选框组 */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

/* 单选框组 */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

/* 表单操作 */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.form-actions .button {
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-actions .button-primary {
    background: #0073aa;
    color: #fff;
    border: 2px solid #0073aa;
}

.form-actions .button-primary:hover {
    background: #006391;
    border-color: #006391;
}

.form-actions .button-primary:disabled {
    background: #94a3b8;
    border-color: #94a3b8;
    cursor: not-allowed;
}

.form-actions .btn-reset {
    background: #fff;
    color: #666;
    border: 2px solid #ddd;
}

.form-actions .btn-reset:hover {
    background: #f7f7f7;
    border-color: #999;
    color: #333;
}

/* 提交结果 */
.form-response {
    margin-top: 30px;
    padding: 20px;
    border-radius: 4px;
    background: #f7f7f7;
    border-left: 4px solid #0073aa;
}

.form-response h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #333;
}

.form-response .response-content {
    padding: 15px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-family: Consolas, Monaco, monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

/* 成功状态 */
.form-response.success {
    background: #f0f9f4;
    border-left-color: #46b450;
}

.form-response.success h4 {
    color: #46b450;
}

/* 错误状态 */
.form-response.error {
    background: #fff5f5;
    border-left-color: #dc3232;
}

.form-response.error h4 {
    color: #dc3232;
}

.form-response.error .response-content {
    color: #dc3232;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 提示信息 */
.form-message {
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 14px;
}

.form-message.success {
    background: #f0f9f4;
    color: #46b450;
    border: 1px solid #46b450;
}

.form-message.error {
    background: #fff5f5;
    color: #dc3232;
    border: 1px solid #dc3232;
}

.form-message.warning {
    background: #fffbe6;
    color: #ffae00;
    border: 1px solid #ffae00;
}

/* 响应式 */
@media (max-width: 768px) {
    .itwuyu-form-container {
        padding: 15px;
    }
    
    .itwuyu-form {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .button {
        width: 100%;
    }
}

/* 自定义类支持 */
.itwuyu-form input.rounded {
    border-radius: 25px;
}

.itwuyu-form input.no-border {
    border: none;
    border-bottom: 2px solid #ddd;
    border-radius: 0;
}

.itwuyu-form input.no-border:focus {
    border-bottom-color: #0073aa;
    box-shadow: none;
}

/* 必填字段验证 */
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
    border-color: #dc3232;
    background-color: #fff5f5;
}

.form-group .error-message {
    display: none;
    color: #dc3232;
    font-size: 12px;
    margin-top: 5px;
}

.form-group.has-error .error-message {
    display: block;
}