/* music.css - v27.0 Final Clean */

.music-layout {
    display: flex;
    gap: 20px;
    height: 100%;
    overflow: hidden;
}

/* 左側：播放器 */
.now-playing {
    flex: 1;
    background: var(--bg-card);
    border-radius: 24px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px solid var(--border);
    max-width: 450px;
    position: relative;
}

#player-art-container {
    width: 100%;
    aspect-ratio: 1/1;
    max-height: 280px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    background: #000;
    position: relative;
}

#current-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.track-info-area {
    width: 100%;
    cursor: default;
    margin-bottom: 10px;
}

.track-info-area h2 {
    color: var(--text-main);
    margin: 5px 0;
    font-size: 1.4rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.track-info-area p {
    color: var(--text-sub);
    margin: 0;
    font-size: 0.9rem;
}

/* ★★★ 滑桿修復 (消除警告) ★★★ */
.control-group {
    width: 100%;
    margin: 15px 0;
}

input[type=range].slider-range {
    -webkit-appearance: none;
    /* Chrome/Safari/Edge */
    appearance: none;
    /* ★ 標準屬性 (消除黃色底線) ★ */
    width: 100%;
    height: 6px;
    background: var(--range-bg);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    display: block;
}

input[type=range].slider-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    /* ★ 標準屬性 ★ */
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-card);
    transition: transform 0.1s;
    margin-top: -4px;
}

input[type=range].slider-range::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

/* 控制按鈕 */
.player-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    margin-top: 15px;
}

/* 右側：資料庫 */
.playlist-side {
    flex: 1.5;
    background: var(--bg-card);
    border-radius: 24px;
    padding: 20px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Tabs */
.tab-group {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 15px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-sub);
    padding: 12px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: 0.2s;
    font-size: 1rem;
    font-weight: 500;
}

.tab-btn:hover {
    color: var(--text-main);
    background: var(--bg-input);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: bold;
}

.tab-content {
    display: none;
    height: 100%;
    flex-direction: column;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
    animation: fadeIn 0.3s;
}

/* 歌曲列表 */
.track-list {
    flex: 1;
    overflow-y: auto;
    padding-right: 5px;
    background-color: var(--bg-card) !important;
}

.track-item {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 15px;
    align-items: center;
    cursor: pointer;
    border-radius: 8px;
    transition: 0.2s;
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
}

.track-item:hover {
    background-color: var(--bg-input) !important;
}

.track-item.active {
    background-color: var(--accent-dim) !important;
    border-left: 4px solid var(--accent);
}

.track-img {
    width: 50px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.track-info {
    text-align: left;
    flex: 1;
    overflow: hidden;
}

.track-title {
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-main);
}

.track-channel {
    font-size: 0.8rem;
    color: var(--text-sub);
}

/* 搜尋框 */
.yt-search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.yt-search-box input {
    flex: 1;
    background-color: var(--input-bg) !important;
    border: 1px solid var(--border-color);
    padding: 12px 18px;
    border-radius: 12px;
    color: var(--text-main) !important;
    outline: none;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.yt-search-box input:focus {
    border-color: var(--accent);
    background-color: var(--card-bg) !important;
    box-shadow: 0 0 0 3px var(--accent-dim), inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.yt-search-box input::placeholder {
    color: var(--text-sub);
    opacity: 0.6;
}

/* 按鈕 */
.btn-tool {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    color: var(--text-sub);
    transition: 0.2s;
    font-size: 1.1rem;
}

.btn-tool:hover {
    background: var(--accent);
    color: white;
}

.btn-extra.active {
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent);
}

/* 建立歌單按鈕 */
.btn-create-playlist {
    width: 100%;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--bg-input);
    color: var(--text-main);
    border: 1px dashed var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: 0.2s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-create-playlist:hover {
    background-color: var(--accent) !important;
    color: white !important;
    border-color: var(--accent);
    border-style: solid;
}

/* Modal 列表 */
.playlist-select-list {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
    padding-right: 5px;
}

.playlist-select-item {
    padding: 12px 15px;
    background: var(--bg-input);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 15px;
    color: var(--text-main);
    border: 1px solid var(--border);
    transition: 0.2s;
}

.playlist-select-item:hover {
    border-color: var(--accent);
    transform: translateX(5px);
}

.playlist-select-item img {
    width: 45px;
    height: 35px;
    border-radius: 4px;
    object-fit: cover;
}

.playlist-select-item span {
    font-weight: 500;
    font-size: 1rem;
}