/* 在线音频频谱 */
.as-file { padding: 8px 10px; font-size: 13px; }

.as-canvas-wrap {
    margin: 14px 0;
    overflow-x: auto;
}
.as-canvas-wrap canvas {
    width: 100%;
    height: auto;
    border-radius: 12px;
    background: var(--c-surface-soft, #f6f8fa);
    border: 1px solid var(--c-border, #e3e8ef);
}

.as-audio-box { margin-top: 14px; }
.as-audio-box audio { width: 100%; }

.as-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.as-note {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(0, 150, 220, .1);
    color: #0a7fc0;
    font-size: 13px;
    line-height: 1.7;
}

[data-theme="dark"] .as-canvas-wrap canvas { background: var(--c-surface-soft, #232a33); }
[data-theme="dark"] .as-note { color: #58bdf0; }