:root {
    --c-primary: #1db954;
    --c-primary-hover: #1ed760;
    --c-text: #222;
    --c-text-light: #666;
    --c-bg: #fff;
    --c-bg-secondary: #f5f5f5;
    --c-border: #eaeaea;
    --cover-size: 70px;
    --radius-md: 12px;
}

.wcmm-player-container {
    background: var(--c-bg);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    height: 66vh;
    max-height: 66vh;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    position: relative;
}

.wcmm-player-container.exiting-full {
    opacity: 0;
    transform: scale(0.98);
    transition: all 0.2s ease-out;
}

.wcmm-fixed-top {
    flex-shrink: 0;
    padding: 20px 20px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.wcmm-top-bar {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.wcmm-cover {
    flex-shrink: 0;
    width: var(--cover-size);
    height: var(--cover-size);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}
.wcmm-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.wcmm-cover:hover img {
    transform: scale(1.05);
}

.wcmm-song-info {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.wcmm-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.wcmm-artist {
    font-size: 13px;
    color: var(--c-text-light);
    margin-top: 2px;
}

.wcmm-lyrics-container {
    width: 100%;
    margin-top: 8px;
}
.wcmm-lyrics-viewport {
    height: 28px;
    min-height: 28px;
    overflow-y: auto;
    scrollbar-width: thin;
}
.wcmm-lyrics-line {
    line-height: 28px;
    text-align: left;
    font-size: 13px;
    color: var(--c-text-light);
    padding: 0 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: color 0.2s, font-weight 0.2s;
}
.wcmm-lyrics-line.active {
    color: var(--c-primary);
    font-weight: 500;
}

.wcmm-controls-compact {
    background: var(--c-bg-secondary);
    border-radius: 20px;
    padding: 12px;
}
.wcmm-progress-area {
    margin-bottom: 10px;
}
.wcmm-time-row {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #888;
    margin-bottom: 6px;
}
.wcmm-progress-bar {
    height: 4px;
    background: #ddd;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
}
.wcmm-progress-filled {
    width: 0;
    height: 100%;
    background: var(--c-primary);
    border-radius: 4px;
    transition: width 0.15s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.wcmm-progress-bar:hover .wcmm-progress-filled {
    background: var(--c-primary-hover);
}
.wcmm-buttons-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.wcmm-btn {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--c-text);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    transition: transform 0.1s ease, background 0.2s;
}
.wcmm-btn:active {
    transform: scale(0.92);
}
.wcmm-btn-play {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    color: white;
    width: 48px;
    height: 48px;
    font-size: 22px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    transition: transform 0.1s, background 0.2s, box-shadow 0.2s;
}
.wcmm-btn-play:hover {
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(12px);
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}
.wcmm-volume-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.wcmm-volume-slider {
    width: 70px;
    height: 3px;
    -webkit-appearance: none;
    background: #ccc;
    border-radius: 2px;
    outline: none;
    transition: background 0.2s;
}
.wcmm-volume-slider::-webkit-slider-thumb {
    width: 10px;
    height: 10px;
    background: var(--c-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s, background 0.2s;
    -webkit-appearance: none;
}
.wcmm-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--c-primary-hover);
}
.wcmm-volume-slider:hover {
    background: #bbb;
}

.wcmm-playlist-scrollable {
    flex: 1;
    overflow-y: auto;
    background: var(--c-bg-secondary);
    border-radius: 16px;
    margin: 16px 20px;
    padding-bottom: 8px;
    min-height: 120px;
}
.wcmm-playlist-header {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    font-weight: 500;
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 0;
    background: var(--c-bg-secondary);
    z-index: 2;
}
.wcmm-playlist-songs {
    min-height: auto;
}
.wcmm-song-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s ease;
}
.wcmm-song-item:hover {
    background: rgba(0,0,0,0.03);
}
.wcmm-song-item.active {
    background: rgba(29,185,84,0.1);
    color: var(--c-primary);
}
.wcmm-song-index {
    width: 28px;
    font-size: 13px;
    color: #999;
}
.wcmm-song-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
}

/* 全屏歌词模式 */
.wcmm-player-container.full-lyrics-mode .wcmm-top-bar .wcmm-cover,
.wcmm-player-container.full-lyrics-mode .wcmm-top-bar .wcmm-title,
.wcmm-player-container.full-lyrics-mode .wcmm-top-bar .wcmm-artist,
.wcmm-player-container.full-lyrics-mode .wcmm-controls-compact,
.wcmm-player-container.full-lyrics-mode .wcmm-playlist-scrollable {
    display: none;
}
.wcmm-player-container.full-lyrics-mode .wcmm-fixed-top {
    flex: 1;
    padding: 0;
    justify-content: center;
}
.wcmm-player-container.full-lyrics-mode .wcmm-lyrics-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-top: 0;
}
.wcmm-player-container.full-lyrics-mode .wcmm-lyrics-viewport {
    flex: 1;
    height: auto;
    max-height: none;
    overflow-y: auto;
    padding: 20px 0;
}
.wcmm-player-container.full-lyrics-mode .wcmm-lyrics-line {
    line-height: 40px;
    text-align: center;
    font-size: 16px;
    white-space: normal;
    padding: 4px 20px;
    transition: font-size 0.2s, font-weight 0.2s;
}
.wcmm-player-container.full-lyrics-mode .wcmm-lyrics-line.active {
    font-size: 18px;
    font-weight: bold;
}
.wcmm-player-container.full-lyrics-mode {
    background: var(--c-bg);
}

/* 沉浸模式时锁定 body 滚动 */
body.wcmm-no-scroll {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

.wcmm-exit-full-tip {
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    cursor: pointer;
    z-index: 10000;
    transition: opacity 0.2s, transform 0.1s;
    white-space: nowrap;
}
.wcmm-exit-full-tip:hover {
    opacity: 0.8;
    background: rgba(0,0,0,0.8);
    transform: scale(1.02);
}

/* 动画及反馈 */
.btn-clicked, .wcmm-btn.btn-clicked { transform: scale(0.9) !important; }
.progress-clicked { background: rgba(29,185,84,0.3) !important; }
.wcmm-error-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    z-index: 10001;
    white-space: nowrap;
    animation: fadeInUp 0.2s ease;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* 暗色主题基础 */
.dark-theme .wcmm-player-container { background: #1e1e1e; }
.dark-theme .wcmm-controls-compact,
.dark-theme .wcmm-playlist-scrollable { background: #2a2a2a; }
.dark-theme .wcmm-playlist-header { background: #2a2a2a; border-bottom-color: #444; }

.dark-theme .wcmm-title,
.dark-theme .wcmm-song-name,
.dark-theme .wcmm-setting-item label,
.dark-theme .wcmm-settings-section h4,
.dark-theme .wcmm-settings-header span,
.dark-theme .wcmm-settings-content,
.dark-theme .wcmm-settings-panel {
    color: #eee !important;
}

.dark-theme .wcmm-artist,
.dark-theme .wcmm-song-index,
.dark-theme .wcmm-settings-header i {
    color: #aaa !important;
}

.dark-theme .wcmm-progress-bar { background: #444; }
.dark-theme .wcmm-volume-slider { background: #555; }
.dark-theme .wcmm-btn-play { background: rgba(0,0,0,0.3); border-color: rgba(255,255,255,0.2); }
.dark-theme .wcmm-lyrics-line { color: #ccc; }
.dark-theme .wcmm-lyrics-line.active { color: var(--c-primary); }
.dark-theme .wcmm-exit-full-tip { background: rgba(255,255,255,0.2); color: #fff; }
.dark-theme .wcmm-exit-full-tip:hover { background: rgba(255,255,255,0.3); }

/* 设置面板暗色 */
.dark-theme .wcmm-settings-panel,
.dark-theme .wcmm-settings-header {
    background: #1e1e1e;
    color: #eee;
}
.dark-theme .wcmm-settings-header i:hover {
    color: var(--c-primary);
}
.dark-theme .wcmm-settings-section h4 {
    border-left-color: var(--c-primary);
}
.dark-theme .wcmm-setting-item {
    border-bottom-color: #444;
}
.dark-theme .wcmm-remote-switch {
    background: #2a2a2a;
}
.dark-theme .wcmm-input {
    background: #2a2a2a;
    border-color: #444;
    color: #eee;
}
.dark-theme .wcmm-settings-btn {
    background: #2a2a2a;
    border-color: #444;
    color: #eee;
}
.dark-theme .wcmm-settings-btn:hover {
    background: var(--c-primary);
    color: #fff;
}
.dark-theme .wcmm-toggle-slider {
    background-color: #555;
}
.dark-theme .wcmm-toggle-slider:before {
    background-color: #eee;
}
.dark-theme input:checked + .wcmm-toggle-slider {
    background-color: var(--c-primary);
}

/* 设置面板齿轮按钮 */
.wcmm-gear-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.2s ease;
    color: var(--c-text-light);
}
.wcmm-gear-btn:hover {
    background: rgba(0,0,0,0.1);
    transform: rotate(30deg);
}
.dark-theme .wcmm-gear-btn {
    background: rgba(255,255,255,0.1);
    color: #ccc;
}
.dark-theme .wcmm-gear-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* 设置面板动画及布局 */
.wcmm-settings-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--c-bg);
    z-index: 200;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.wcmm-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--c-border);
    font-weight: 600;
    font-size: 18px;
    background: var(--c-bg);
}
.wcmm-settings-header i {
    cursor: pointer;
    font-size: 20px;
    padding: 4px;
    transition: color 0.2s, transform 0.1s;
}
.wcmm-settings-header i:hover {
    color: var(--c-primary);
    transform: scale(1.1);
}
.wcmm-settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}
.wcmm-settings-section {
    margin-bottom: 24px;
}
.wcmm-settings-section h4 {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 600;
    border-left: 3px solid var(--c-primary);
    padding-left: 10px;
}
.wcmm-setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--c-border);
}
.wcmm-setting-item label {
    font-size: 14px;
}
.wcmm-toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}
.wcmm-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.wcmm-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--c-border);
    transition: 0.3s;
    border-radius: 22px;
}
.wcmm-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: #fff;
    transition: 0.3s;
    border-radius: 50%;
}
input:checked + .wcmm-toggle-slider {
    background-color: var(--c-primary);
}
input:checked + .wcmm-toggle-slider:before {
    transform: translateX(22px);
}
.wcmm-remote-switch {
    background: var(--c-bg-secondary);
    border-radius: 16px;
    padding: 12px;
    margin-bottom: 16px;
}
.wcmm-remote-actions {
    display: flex;
    gap: 12px;
}
.wcmm-input {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 10px;
    border: 1px solid var(--c-border);
    border-radius: 20px;
    font-size: 13px;
    background: var(--c-bg);
    color: var(--c-text);
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.wcmm-input:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 2px rgba(29,185,84,0.2);
}
.wcmm-settings-btn {
    background: var(--c-bg-secondary);
    border: 1px solid var(--c-border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--c-text);
}
.wcmm-settings-btn:hover {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
    transform: translateY(-1px);
}
.wcmm-load-remote-btn {
    width: 100%;
    background: var(--c-primary);
    color: white;
    border: none;
    margin-top: 4px;
}
.wcmm-load-remote-btn:hover {
    background: var(--c-primary-hover);
}

/* 播放源切换按钮美化 */
.wcmm-source-switch {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    background: var(--c-bg-secondary);
    padding: 8px;
    border-radius: 48px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05), 0 1px 1px rgba(0,0,0,0.02);
}
.wcmm-source-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 40px;
    padding: 10px 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--c-text-light);
    text-align: center;
    backdrop-filter: blur(2px);
    font-family: inherit;
}
.wcmm-source-btn i {
    margin-right: 6px;
    font-size: 14px;
}
.wcmm-source-btn.active {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(29,185,84,0.3);
}
.wcmm-source-btn:not(.active):hover {
    background: rgba(0,0,0,0.05);
    color: var(--c-primary);
}
.dark-theme .wcmm-source-switch {
    background: #2a2a2a;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.2);
}
.dark-theme .wcmm-source-btn:not(.active):hover {
    background: rgba(255,255,255,0.08);
    color: var(--c-primary);
}

/* 我的单曲/收藏列表美化 */
.wcmm-user-songlist,
.wcmm-fav-songlist {
    background: var(--c-bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: all 0.2s;
    margin-top: 8px;
}
.wcmm-user-song-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    transition: background 0.15s;
}
.wcmm-user-song-item:last-child {
    border-bottom: none;
}
.wcmm-user-song-item:hover {
    background: rgba(0,0,0,0.03);
}
.dark-theme .wcmm-user-song-item:hover {
    background: rgba(255,255,255,0.05);
}
.wcmm-user-song-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 12px;
}
.wcmm-user-song-del {
    cursor: pointer;
    color: #e74c3c;
    opacity: 0.6;
    transition: opacity 0.2s, transform 0.1s;
    padding: 6px;
    border-radius: 20px;
    font-size: 14px;
}
.wcmm-user-song-del:hover {
    opacity: 1;
    transform: scale(1.1);
    background: rgba(231,76,60,0.1);
}
.wcmm-user-song-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--c-text-light);
    font-size: 13px;
    background: var(--c-bg-secondary);
    border-radius: 16px;
}

/* 添加单曲表单美化 */
.wcmm-add-song-form {
    background: var(--c-bg-secondary);
    border-radius: 20px;
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid var(--c-border);
}
.wcmm-add-song-form .wcmm-input {
    margin-bottom: 12px;
    border-radius: 28px;
    background: var(--c-bg);
    border-color: var(--c-border);
    font-size: 13px;
}
.wcmm-add-song-form .wcmm-input:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 2px rgba(29,185,84,0.2);
}
#wcmm-add-song-btn {
    width: 100%;
    background: var(--c-primary);
    color: white;
    border: none;
    border-radius: 32px;
    padding: 10px;
    font-weight: 600;
    margin-top: 8px;
    transition: background 0.2s, transform 0.05s;
}
#wcmm-add-song-btn:hover {
    background: var(--c-primary-hover);
    transform: translateY(-1px);
}
#wcmm-add-song-btn:active {
    transform: translateY(1px);
}

/* 遮罩层与容器包装 */
.wcmm-player-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    backdrop-filter: blur(4px);
}
.wcmm-player-container-wrapper {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    max-width: 500px;
    width: 90%;
    margin: 0 auto;
}

/* 响应式 */
@media (max-width: 640px) {
    .wcmm-player-container-wrapper {
        width: 95%;
        top: auto;
        bottom: 0;
        transform: translate(-50%, 0);
    }
}
@media (max-width: 480px) {
    .wcmm-fixed-top { padding: 16px 16px 0; }
    .wcmm-title { font-size: 16px; }
    .wcmm-playlist-scrollable { margin-left: 16px; margin-right: 16px; }
    .wcmm-exit-full-tip { padding: 4px 10px; font-size: 12px; }
}