/**
 * 用户投稿页面样式（theme 模式，使用主题 CSS 变量）
 */

.ac-submit-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 0;
}

/* 提示信息 */
.ac-submit-page__notice {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 14px 18px;
    margin-bottom: 28px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.ac-submit-page__notice a {
    color: var(--theme-color);
    text-decoration: none;
}

.ac-submit-page__notice a:hover {
    text-decoration: underline;
}

/* 消息提示 */
.ac-submit-page__message {
    padding: 14px 18px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.ac-submit-page__message--success {
    background: #d4edda;
    border: 1px solid #28a745;
    color: #155724;
}

.ac-submit-page__message--error {
    background: #f8d7da;
    border: 1px solid #dc3545;
    color: #721c24;
}

/* 加载动画 */
.ac-submit-page__loading {
    text-align: center;
    padding: 24px 0;
}

.ac-submit-page__spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-light);
    border-top-color: var(--theme-color);
    border-radius: 50%;
    animation: ac-submit-spin 0.8s linear infinite;
}

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

/* 表单 */
.ac-submit-form__group {
    margin-bottom: 22px;
}

.ac-submit-form__label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.ac-submit-form__required {
    color: #e74c3c;
}

/* 输入框、选择框、文本域通用样式 */
.ac-submit-form__input,
.ac-submit-form__select,
.ac-submit-form__textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-input);
    border-radius: var(--border-radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.ac-submit-form__input:focus,
.ac-submit-form__select:focus,
.ac-submit-form__textarea:focus {
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px var(--theme-color-light);
}

.ac-submit-form__input::placeholder,
.ac-submit-form__textarea::placeholder {
    color: var(--text-tertiary);
}

.ac-submit-form__textarea {
    min-height: 160px;
    resize: vertical;
}

/* 下拉选择框 */
.ac-submit-form__select {
    appearance: none;
    -webkit-appearance: none;
    -moz-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='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.ac-submit-form__select:invalid {
    color: var(--text-tertiary);
}

/* 图片上传 */
.ac-submit-form__upload {
    position: relative;
    border: 2px dashed var(--border-light);
    border-radius: var(--border-radius);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.ac-submit-form__upload:hover {
    border-color: var(--theme-color);
    background: var(--theme-color-light);
}

.ac-submit-form__upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.ac-submit-form__upload-icon {
    color: var(--text-tertiary);
    margin-bottom: 10px;
}

.ac-submit-form__upload-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.ac-submit-form__upload-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 6px;
}

/* 图片预览 */
.ac-submit-form__preview {
    position: relative;
    margin-top: 14px;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.ac-submit-form__preview img {
    max-width: 160px;
    max-height: 120px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
}

.ac-submit-form__preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    transition: background 0.2s;
}

.ac-submit-form__preview-remove:hover {
    background: #e74c3c;
}

/* 提交按钮 */
.ac-submit-form__actions {
    margin-top: 32px;
}

.ac-submit-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background: var(--theme-color);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: opacity 0.2s;
}

.ac-submit-form__submit:hover {
    opacity: 0.9;
}

.ac-submit-form__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式 */
@media (max-width: 768px) {
    .ac-submit-page {
        padding: 16px 0;
    }

    .ac-submit-form__upload {
        padding: 20px;
    }
}

/* 收录说明 */
.ac-submit-page__guidelines {
    margin-top: 32px;
    padding: 20px 24px;
    background: var(--bg-secondary, #f8f9fa);
    border: 1px solid var(--border-light, #e9ecef);
    border-radius: var(--border-radius, 10px);
}

.ac-submit-page__guidelines-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.ac-submit-page__guidelines-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.ac-submit-page__guidelines-text p {
    margin: 0 0 10px 0;
}

.ac-submit-page__guidelines-text ol {
    margin: 0;
    padding-left: 20px;
}

.ac-submit-page__guidelines-text ol li {
    margin-bottom: 6px;
}