/* 表单验证样式 */

/* 错误字段样式 */
.field-error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25) !important;
}

/* 错误消息容器 */
.field-error-message {
    margin-top: 5px;
    padding: 8px 12px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    font-size: 12px;
    color: #721c24;
}

/* 单个错误消息 */
.error-message {
    margin: 2px 0;
    line-height: 1.4;
}

/* 成功字段样式 */
.field-success {
    border-color: #28a745 !important;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25) !important;
}

/* 验证状态图标 */
.field-wrapper {
    position: relative;
}

.field-wrapper::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.field-wrapper.field-error::after {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%23dc3545"><path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z"/><path d="M7.002 11a1 1 0 1 1 2 0 1 1 0 0 1-2 0zM7.1 4.995a.905.905 0 1 1 1.8 0l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 4.995z"/></svg>');
    opacity: 1;
}

.field-wrapper.field-success::after {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%2328a745"><path d="M10.97 4.97a.75.75 0 0 1 1.07 1.05l-3.99 4.99a.75.75 0 0 1-1.08.02L4.324 8.384a.75.75 0 1 1 1.06-1.06l2.094 2.093 3.473-4.425a.267.267 0 0 1 .02-.022z"/></svg>');
    opacity: 1;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 必填字段标记 */
.required::after {
    content: ' *';
    color: #dc3545;
}

/* 验证提示文本 */
.validation-hint {
    font-size: 12px;
    color: #6c757d;
    margin-top: 4px;
}

/* 表单提交按钮样式 */
.form-submit {
    margin-top: 30px;
    text-align: center;
}

.form-submit button {
    padding: 10px 30px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-submit button:hover {
    background-color: #0056b3;
}

.form-submit button:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 6px 10px;
        font-size: 16px; /* 移动端字体放大 */
    }
    
    .field-error-message {
        font-size: 14px;
    }
}

/* 动画效果 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.field-error {
    animation: shake 0.5s ease-in-out;
}

/* 加载状态 */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.form-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 10;
}

.form-loading::after {
    content: '提交中...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 14px;
}