/* AI 长文排版模块 - 工具栏按钮样式 */

.ls-pa-tb-btn.ls-aiformat-btn,
.ls-ea-tb-btn.ls-aiformat-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0 10px;
    height: 28px;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(59, 130, 246, 0.08));
    border: 1px solid transparent;
    transition: all 0.25s ease;
}

.ls-pa-tb-btn.ls-aiformat-btn:hover,
.ls-ea-tb-btn.ls-aiformat-btn:hover {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(59, 130, 246, 0.15));
    border-color: rgba(124, 58, 237, 0.25);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.15);
}

.ls-pa-tb-btn.ls-aiformat-btn i,
.ls-ea-tb-btn.ls-aiformat-btn i {
    background: linear-gradient(135deg, #7c3aed, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 16px;
    transition: transform 0.3s ease;
}

.ls-pa-tb-btn.ls-aiformat-btn:hover i,
.ls-ea-tb-btn.ls-aiformat-btn:hover i {
    transform: rotate(-12deg) scale(1.1);
}

.ls-aiformat-btn.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

.ls-aiformat-btn.is-loading i {
    animation: ls-aiformat-spin 1.2s linear infinite;
    transform-origin: center;
}

@keyframes ls-aiformat-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 1100px) {
    .ls-pa-tb-btn.ls-aiformat-btn,
    .ls-ea-tb-btn.ls-aiformat-btn {
        padding: 0;
        width: 28px;
    }
}

/* AI 排版进度提示中的图标 */
.ls-screen-loading .ls-aiformat-loading-icon {
    display: inline-block;
    margin-right: 6px;
    background: linear-gradient(135deg, #7c3aed, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}