.tool-body {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}
.tool-body .tool-card {
    display: flex;
    flex-direction: column;
    height: auto;
}
.tool-body .tool-card-upload-wrapper,
.tool-body .tool-card-param-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}
/* 录制范围选择卡片 */
.record-scope-title {
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    color: #333;
    margin-bottom: 24px;
    padding-top: 8px;
}
.scope-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.scope-card {
    width: 140px;
    height: 100px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
    background: #fff;
    user-select: none;
}
.scope-card:hover {
    border-color: var(--theme-color);
    background-color: var(--theme-background-color);
    /*box-shadow: 0 2px 12px rgba(24,144,255,0.15);*/
}
.scope-card.active {
    background: var(--theme-color);
    border-color: var(--theme-color);
}
.scope-card.active .scope-icon i,
.scope-card.active .scope-label {
    color: #fff;
}
.scope-icon i{
    font-size: 35px;
    color: #606266;
    /*line-height: 1;*/
    transition: color 0.25s;
}
.scope-label {
    font-size: 14px;
    color: #555;
    font-weight: 500;
    transition: color 0.25s;
}
/* 高级设置 */
.advanced-settings-toggle {
    text-align: center;
    margin-bottom: 22px;
}
.advanced-settings-toggle span {
    color: var(--theme-color);
    cursor: pointer;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.advanced-settings-toggle span:hover {
    opacity: 0.8;
}
.advanced-panel {
    display: none;
    max-width: 600px;
    margin: 0 auto 24px;
    padding: 18px 24px;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    background: #fafbfc;
}
.advanced-panel.show {
    display: block;
}
.advanced-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}
.advanced-item:last-child {
    border-bottom: none;
}
.advanced-item label {
    font-size: 14px;
    color: #444;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}
/* 计时器 */
.timer-display {
    text-align: center;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 18px;
    color: #555;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.timer-current {
    color: #333;
    font-weight: 600;
}
.timer-sep {
    color: #bbb;
    margin: 0 6px;
}
.timer-max {
    color: #999;
}
/* 录制按钮 */
.record-btn-area {
    text-align: center;
    margin-bottom: 30px;
}
.record-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    outline: none;
}
.record-btn.start-btn {
    background: #52c41a;
    box-shadow: 0 4px 16px rgba(82,196,26,0.35);
}
.record-btn.start-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 22px rgba(82,196,26,0.45);
}
.record-btn.pause-btn {
    background: #faad14;
    box-shadow: 0 4px 16px rgba(250,173,20,0.35);
}
.record-btn.stop-btn {
    background: #ff4d4f;
    box-shadow: 0 4px 16px rgba(255,77,79,0.35);
}
.record-btn.rerecord-btn {
    background: #ff7875;
    box-shadow: 0 4px 16px rgba(255,120,117,0.35);
}
.record-btn.rerecord-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 22px rgba(255,120,117,0.45);
}
.record-btn-icon {
    width: 30px;
    height: 30px;
    fill: #fff;
}
/* 状态信息栏 */
.status-bar {
    text-align: center;
    font-size: 14px;
    color: #888;
    margin-bottom: 16px;
    min-height: 22px;
}
.status-bar.error { color: #ff4d4f; }
.status-bar.warning { color: #faad14; }
/* 预览区域 */
.preview-area {
    display: none;
    max-width: 800px;
    margin: 0 auto 24px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 16 / 9;
}
.preview-area.show { display: block; }
.preview-area canvas,
.preview-area video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.separate-preview-row {
    display: none;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto 24px;
}
.separate-preview-row.show { display: flex; }
.separate-preview-box {
    flex: 1;
    background: #111;
    border-radius: 8px;
    overflow: hidden;
}
.separate-preview-box video {
    width: 100%;
    max-height: 200px;
    background: #000;
}
.separate-preview-box label {
    display: block;
    text-align: center;
    color: #999;
    font-size: 12px;
    padding: 4px;
}
/* 下载面板 */
/* 回放预览区域 */
.playback-area {
    display: none;
    max-width: 800px;
    margin: 0 auto 24px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}
.playback-area.show { display: block; }
.playback-area video {
    width: 100%;
    display: block;
}
.download-panel {
    display: none;
    max-width: 850px;
    margin: 0 auto 24px;
    border-radius: 12px;
}
.download-panel.show { display: block; }
.download-panel h4 {
    margin: 0 0 14px;
    font-size: 15px;
    color: #333;
}
.download-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.download-btns button {
    padding: 8px 18px;
    border: 1px solid var(--theme-color);
    background: var(--theme-color);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.download-btns button:hover {
    opacity: 0.8;
    color: #fff;
}