.tool-content {
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    padding: 1.2em;
    border-radius: .6em;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.2em;
}

.tool-content .item-file {
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-family: var(--font-simple);
}

.tool-content .item-file .upload-prompt {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px 0;
    width: 100%;
    height: 100%;
}

.tool-content .operate-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    outline: none;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 12px;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / .05);
    font-family: var(--font-simple);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-purple {
    color: #fff;
    background-color: rgb(93 79 248 / 95%);
    border-color: rgb(93 79 248 / 95%);
}

.btn-green {
    color: #fff;
    background-color: rgba(34, 197, 94, 0.95);
    border-color: rgba(34, 197, 94, 0.95);
}

.file-upload {
    border: solid 1px #ddd;
    background-color: var(--main-bg);
    min-width: 100%;
    max-width: 100%;
    width: 100%;
    min-height: 250px;
    line-height: 30px;
    padding: 0 12px;
    border-radius: 7px;
    font-family: var(--font-simple);
    outline: none;
    font-size: 15px;
    color: #6c6c6c;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px 0;
    position: relative;
    cursor: pointer;
}

.file-upload.dragover {
    border-color: #5a4df8;
    background-color: #f0edff;
    color: #5a4df8;
}

.item-result {
    border: solid 1px #ddd;
    padding: 1em;
    border-radius: .6em;
}

.item-result video {
    width: 100%;
    border-radius: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .tool-content {
        padding: .8em !important;
        box-shadow: unset;
    }
    .file-upload {
        min-height: 200px;
    }
    .file-upload .upload-prompt {
        height: 200px;
    }
}