/* ===== LAYOUT ===== */
.lyrics-video-box {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

/* cột trái */
.lyrics-left {
    width: 70%;
}
.lyrics-video-box + * {
    background: #f5f5f5;
    padding: 20px;
    margin-top: 20px;
    border-radius: 12px;
}

/* ===== VIDEO ===== */
.lyrics-player {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;          /* 🔥 bo góc video */
    background: #000;
}

.lyrics-player iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* ===== CONTROLS ===== */
.lyrics-controls {
    margin-top: 12px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    align-items: center;
    width: 100%;              /* 🔥 đảm bảo chiếm hết hàng */
}


.lyrics-controls button {
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
    border: none;
    background: #ff4d4f;          /* đang bật */
    color: #fff;
}

.lyrics-controls button:not(.active) {
    background: #2a6df4;          /* đang tắt */
    color: #fff;
}

/* ===== LYRICS BOX ===== */
.lyrics-box {
    width: 30%;
    max-height: 60vh;
    overflow-y: auto;

    padding: 14px;

    /* 🎨 màu nền + bo góc */
    background: #f9f9f9;
    border-radius: 12px;

    /* viền & shadow nhẹ kiểu YouTube */
    border: 1px solid #e6e6e6;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}


/* scrollbar gọn (tuỳ chọn) */
.lyrics-box::-webkit-scrollbar {
    width: 6px;
}
.lyrics-box::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 6px;
}

/* ===== LINE ===== */
.lyrics-line {
    padding: 10px;
    margin-bottom: 1px;
    border-radius: 8px;           /* 🔥 bo từng đoạn */
}

.lyrics-line.active {
    background: #fffbe6;
}

/* ===== HÁN + PINYIN ===== */
.zh {
    line-height: 1.2;
}

.hanzi-box {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 0 2px;
    vertical-align: top;
}

/* pinyin */
.pinyin {
    font-size: 14px;
    line-height: 1.1;
    color: #666;
    margin-bottom: 2px;
    white-space: nowrap;
}

/* chữ Hán */
.hanzi {
    font-size: 22px;
    line-height: 1.2;
    display: block;
}

.hanzi.active {
    color: #ff4d4f;
    font-weight: 600;
}

/* tiếng Việt */
.vi {
    margin-top: 4px;
    font-size: 14px;
    color: #2a6df4;
}

/* toggle */
.hide-pinyin .pinyin { display: none; }
.hide-vi .vi { display: none; }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .lyrics-video-box {
        flex-direction: column;
    }

    .lyrics-left,
    .lyrics-box {
        width: 100%;
    }

    .lyrics-box {
        max-height: 40vh;
    }

    .hanzi {
        font-size: 18px;
    }

    .lyrics-controls {
        justify-content: center;
    }
}