.sinoway-tts-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #c1272d 0%, #a61d22 100%);
    border-radius: 8px;
    color: #fff;
    flex-wrap: wrap;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    transition: all 0.3s ease;
}

.tts-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    line-height: 1.2;
    transition: all 0.2s;
    white-space: nowrap;
}

/* 上一段/下一段按钮 - 更紧凑 */
.tts-prev,
.tts-next {
    padding: 5px 8px;
    font-size: 12px;
    background: rgba(255,255,255,0.1);
}

.tts-btn:hover {
    background: rgba(255,255,255,0.3);
}

.tts-btn:active {
    transform: scale(0.95);
}

.tts-btn.active {
    background: rgba(255,255,255,0.35);
}

.tts-speed {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    font-size: 13px;
}

.tts-speed select {
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.9);
    font-size: 13px;
    cursor: pointer;
}

.tts-status {
    font-size: 13px;
    opacity: 0.9;
    min-width: 60px;
    text-align: right;
}

.tts-lang-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 播放时 — 智能粘性定位 */
/* 滚动经过它才贴顶，往回滚就归位 */
.sinoway-tts-bar.tts-sticky {
    position: sticky;
    top: 0;
    z-index: 9999;
    border-radius: 0;
    margin-left: 0;
    margin-right: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.tts-word-done {
    background: rgba(255, 243, 205, 0.4);
    border-radius: 1px;
}

/* 逐词高亮 — 当前 */
.tts-word-active {
    background: #ffe066;
    border-radius: 2px;
    padding: 1px 0;
    box-shadow: 0 0 4px rgba(255, 224, 102, 0.5);
}

/* 段落级高亮（备用） */
.tts-highlight {
    border-radius: 2px;
    transition: background 0.3s;
}