/**
 * Ciuic表单 - 前台样式
 */

.ciuic-form {
    max-width: 100%;
    margin: 20px auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.ciuic-form-inline {
    /* 内联表单不需要特殊样式 */
}

.ciuic-form-title {
    margin: 0 0 20px 0;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    text-align: center;
}

.ciuic-form-description {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    color: #666;
    line-height: 1.6;
}

.ciuic-form-form {
    /* 表单容器 */
}

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

.ciuic-form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.ciuic-form-label .required {
    color: #e74c3c;
    margin-left: 2px;
}

.ciuic-form-input,
.ciuic-form-textarea,
.ciuic-form-select {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ciuic-form-input:focus,
.ciuic-form-textarea:focus,
.ciuic-form-select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.ciuic-form-textarea {
    resize: vertical;
    min-height: 100px;
}

.ciuic-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.ciuic-form-radio-group,
.ciuic-form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ciuic-form-radio,
.ciuic-form-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.ciuic-form-radio input,
.ciuic-form-checkbox input {
    width: 18px;
    height: 18px;
    margin: 0 10px 0 0;
    cursor: pointer;
    accent-color: #3498db;
}

.ciuic-form-radio span,
.ciuic-form-checkbox span {
    font-size: 16px;
    color: #333;
}

.ciuic-form-help {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #999;
}

.ciuic-form-submit {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background-color: #3498db;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.ciuic-form-submit:hover {
    background-color: #2980b9;
}

.ciuic-form-submit:active {
    transform: scale(0.98);
}

.ciuic-form-submit:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

.ciuic-form-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

.ciuic-form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.ciuic-form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.ciuic-form-loading {
    position: relative;
    pointer-events: none;
}

.ciuic-form-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: ciuic-form-spin 0.8s linear infinite;
}

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

/* 验证码样式 */
.ciuic-form-captcha {
    display: flex;
    gap: 10px;
    align-items: center;
}

.ciuic-form-captcha input {
    flex: 1;
}

.ciuic-form-captcha img {
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
}

/* 错误状态 */
.ciuic-form-group.error .ciuic-form-input,
.ciuic-form-group.error .ciuic-form-textarea,
.ciuic-form-group.error .ciuic-form-select {
    border-color: #e74c3c;
}

.ciuic-form-group.error::after {
    content: attr(data-error);
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #e74c3c;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .ciuic-form {
        padding: 15px;
        margin: 10px;
    }

    .ciuic-form-title {
        font-size: 20px;
    }

    .ciuic-form-input,
    .ciuic-form-textarea,
    .ciuic-form-select {
        font-size: 16px; /* 防止iOS缩放 */
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .ciuic-form-title {
        color: #fff;
    }

    .ciuic-form-description {
        background-color: #2d2d2d;
        color: #ccc;
    }

    .ciuic-form-label {
        color: #fff;
    }

    .ciuic-form-input,
    .ciuic-form-textarea,
    .ciuic-form-select {
        background-color: #1a1a1a;
        border-color: #444;
        color: #fff;
    }

    .ciuic-form-input:focus,
    .ciuic-form-textarea:focus,
    .ciuic-form-select:focus {
        border-color: #3498db;
    }

    .ciuic-form-radio span,
    .ciuic-form-checkbox span {
        color: #fff;
    }

    .ciuic-form-message.success {
        background-color: #1b4332;
        color: #d4edda;
        border-color: #2d6a4f;
    }

    .ciuic-form-message.error {
        background-color: #5c2323;
        color: #f8d7da;
        border-color: #842029;
    }
}