*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--canvas-deep);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    user-select: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    outline: none;
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

.app {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 1fr var(--player-height);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--canvas-hover);
}

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

.btn-icon.active {
    color: var(--accent-primary);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--accent-primary);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: scale(1.02);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    color: var(--text-primary);
    font-weight: 500;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-secondary:hover {
    background: var(--canvas-hover);
    border-color: var(--border-light);
}

.btn-secondary svg {
    width: 18px;
    height: 18px;
}

::selection {
    background: var(--accent-primary-muted);
    color: var(--text-primary);
}

.toast {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--glass-modal-bg);
    backdrop-filter: blur(20px);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.loader.active {
    opacity: 1;
    visibility: visible;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.recommended-playlists {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl);
    padding-bottom: 80px;
}

.playlist-card {
    cursor: pointer;
    transition: transform var(--duration-normal) var(--ease-out);
}

.playlist-card:hover {
    transform: translateY(-4px);
}

.playlist-card-cover {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    margin-bottom: var(--space-sm);
}

.playlist-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-normal) var(--ease-out);
}

.playlist-card:hover .playlist-card-cover img {
    transform: scale(1.05);
}

.card-play-btn {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-sm);
    width: 40px;
    height: 40px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: 0 4px 12px var(--accent-primary-glow);
}

.playlist-card:hover .card-play-btn {
    opacity: 1;
    transform: translateY(0);
}

.card-play-btn svg {
    width: 18px;
    height: 18px;
    color: white;
    margin-left: 2px;
}

.play-count {
    position: absolute;
    top: var(--space-xs);
    right: var(--space-xs);
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    color: white;
}

.playlist-card-name {
    font-size: var(--text-sm);
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

/* ============================================
   播放队列面板 - 毛玻璃+动态光效
   ============================================ */
.queue-panel {
    position: fixed;
    right: -420px;
    top: 0;
    bottom: 90px;
    width: 400px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transition: right 0.5s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.queue-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(var(--accent-rgb, 100, 150, 255), 0.08) 0%,
        transparent 30%,
        transparent 70%,
        rgba(var(--accent-rgb, 100, 150, 255), 0.05) 100%
    );
    pointer-events: none;
    z-index: 0;
}

.queue-panel.active {
    right: 0;
}

.queue-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.02);
}

.queue-header h3 {
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--text-primary);
}

.queue-count {
    flex: 1;
    font-size: 13px;
    color: var(--text-tertiary);
}

.queue-close {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.queue-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.queue-content {
    position: relative;
    z-index: 1;
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

/* 队列项入场动画 */
.queue-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px 10px 8px;
    margin: 0 8px 4px 8px;
    cursor: pointer;
    border-radius: 12px;
    animation: queueItemSlideIn 0.4s cubic-bezier(0.32, 0.72, 0, 1) backwards;
    will-change: transform, opacity;
}

@keyframes queueItemSlideIn {
    from {
        opacity: 0;
        transform: translateX(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.queue-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: scale(1.01);
}

.queue-item:active {
    transform: scale(0.98);
}

.queue-item.active {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.12);
    border: 1px solid rgba(var(--accent-rgb, 100, 150, 255), 0.2);
}

/* 序号/播放动画 */
.queue-item-index {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-tertiary);
    flex-shrink: 0;
    pointer-events: none;
}

.queue-item:hover .queue-item-index {
    color: var(--text-primary);
}

.queue-item.active .queue-item-index {
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

/* 播放中动画条 */
.playing-bars {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    height: 16px;
}

.playing-bars span {
    width: 3px;
    background: rgba(var(--accent-rgb, 100, 150, 255), 1);
    border-radius: 2px;
    animation: playingBar 1s ease-in-out infinite;
}

.playing-bars span:nth-child(1) {
    height: 60%;
    animation-delay: 0s;
}

.playing-bars span:nth-child(2) {
    height: 100%;
    animation-delay: 0.2s;
}

.playing-bars span:nth-child(3) {
    height: 40%;
    animation-delay: 0.4s;
}

@keyframes playingBar {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.queue-item-cover {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.25s ease;
}

.queue-item:hover .queue-item-cover {
    transform: scale(1.05);
}

.queue-item.active .queue-item-cover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.queue-item-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.queue-item-info {
    flex: 1;
    min-width: 0;
    pointer-events: none;
}

.queue-item-title,
.queue-item-artist,
.queue-item-duration {
    pointer-events: none;
}

.queue-item-title {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
    transition: color 0.2s ease;
}

.queue-item-artist {
    font-size: 12px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.queue-item-duration {
    font-size: 12px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    flex-shrink: 0;
    pointer-events: none;
}

.queue-item.active .queue-item-title {
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

/* 队列滚动条美化 */
.queue-content::-webkit-scrollbar {
    width: 6px;
}

.queue-content::-webkit-scrollbar-track {
    background: transparent;
}

.queue-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

.queue-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ============================================
   底部播放栏封面旋转
   ============================================ */
.now-playing-cover {
    position: relative;
}

.now-playing-cover img {
    transition: transform 0.3s ease;
}

.now-playing-cover.playing img {
    animation: coverRotate 12s linear infinite;
}

@keyframes coverRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.now-playing-cover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: var(--canvas-deep);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.now-playing-cover.playing::before {
    opacity: 1;
}



/* ============================================
   登录弹窗
   ============================================ */
.login-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.login-modal.active {
    opacity: 1;
    visibility: visible;
}

.login-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

.login-modal-content {
    position: relative;
    width: 380px;
    background: rgba(20, 20, 25, 0.95);
    backdrop-filter: blur(40px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-modal.active .login-modal-content {
    transform: scale(1) translateY(0);
}

.login-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.login-close:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: rotate(90deg);
}

.login-close svg {
    width: 16px;
    height: 16px;
}

.login-header h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 32px;
}

.login-qr {
    width: 200px;
    height: 200px;
    margin: 0 auto 24px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.qr-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.qr-loading p {
    font-size: 13px;
    color: #666;
}

.login-qr.expired {
    position: relative;
}

.login-qr.expired::after {
    content: '二维码已过期';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border-radius: 12px;
    cursor: pointer;
}

.login-qr.expired:hover::after {
    content: '点击刷新';
}

.login-status {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 20px;
}

.login-status.success {
    color: #4ade80;
}

.login-status.waiting {
    color: #fbbf24;
}

.login-tip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.login-tip svg {
    flex-shrink: 0;
}

/* 用户菜单 */
.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    min-width: 180px;
    background: rgba(20, 20, 25, 0.95);
    backdrop-filter: blur(40px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 100;
}

.user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 8px;
}

.user-menu-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-menu-info {
    flex: 1;
    min-width: 0;
}

.user-menu-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    cursor: pointer;
}

.user-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.user-menu-item svg {
    width: 18px;
    height: 18px;
}

.user-menu-item.logout {
    color: #f87171;
}

.user-menu-item.logout:hover {
    background: rgba(248, 113, 113, 0.15);
}

/* ============================================
   喜欢按钮样式
   ============================================ */
.like-btn.liked {
    color: var(--accent-primary);
}

.like-btn.liked svg path {
    fill: currentColor;
}

/* ============================================
   评论弹窗样式 - 霓虹毛玻璃风格
   ============================================ */
.comments-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.comments-modal.active {
    opacity: 1;
    visibility: visible;
}

/* 背景遮罩 - 轻量模糊保留背景透视 */
.comments-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 8, 0.6);
    backdrop-filter: blur(8px) saturate(120%);
    -webkit-backdrop-filter: blur(8px) saturate(120%);
}

/* 弹窗主体 - 深度毛玻璃 */
.comments-modal-content {
    position: relative;
    width: 90%;
    max-width: 580px;
    max-height: 75vh;
    background: rgba(20, 20, 28, 0.75);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(var(--accent-rgb, 100, 150, 255), 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: scale(0.92) translateY(30px);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.comments-modal.active .comments-modal-content {
    transform: scale(1) translateY(0);
}

/* 顶部动态光效 */
.comments-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(
        180deg,
        rgba(var(--accent-rgb, 100, 150, 255), 0.15) 0%,
        rgba(var(--accent-rgb, 100, 150, 255), 0.05) 50%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 0;
}

/* 边缘微光 */
.comments-modal-content::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(var(--accent-rgb, 100, 150, 255), 0.6) 50%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 10;
}

/* 头部 */
.comments-header {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
}

.comments-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 标题前的发光点 */
.comments-header h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: rgba(var(--accent-rgb, 100, 150, 255), 1);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(var(--accent-rgb, 100, 150, 255), 0.8);
    animation: commentsPulse 2s ease-in-out infinite;
}

@keyframes commentsPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.comments-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-tertiary);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
}

.comments-close:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    transform: rotate(90deg) scale(1.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.comments-close svg {
    width: 18px;
    height: 18px;
}

/* 内容区域 */
.comments-body {
    position: relative;
    z-index: 1;
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px;
    mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
}

/* 滚动条美化 */
.comments-body::-webkit-scrollbar {
    width: 6px;
}

.comments-body::-webkit-scrollbar-track {
    background: transparent;
}

.comments-body::-webkit-scrollbar-thumb {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.3);
    border-radius: 3px;
}

.comments-body::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.5);
}

/* 分区标题 */
.comments-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.comments-section h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
}

.comments-section + .comments-section {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 评论项 - 卡片式玻璃风格 */
.comment-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    animation: commentSlideIn 0.4s cubic-bezier(0.32, 0.72, 0, 1) backwards;
}

@keyframes commentSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.comment-item:nth-child(1) { animation-delay: 0.05s; }
.comment-item:nth-child(2) { animation-delay: 0.1s; }
.comment-item:nth-child(3) { animation-delay: 0.15s; }
.comment-item:nth-child(4) { animation-delay: 0.2s; }
.comment-item:nth-child(5) { animation-delay: 0.25s; }
.comment-item:nth-child(n+6) { animation-delay: 0.3s; }

.comment-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.15);
    transform: translateX(4px);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.2),
        0 0 30px rgba(var(--accent-rgb, 100, 150, 255), 0.05);
}

/* 头像 */
.comment-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.comment-item:hover .comment-avatar {
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.4);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(var(--accent-rgb, 100, 150, 255), 0.2);
}

.comment-content {
    flex: 1;
    min-width: 0;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.comment-user {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color 0.2s;
}

.comment-item:hover .comment-user {
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

.comment-time {
    font-size: 11px;
    color: var(--text-disabled);
    font-family: var(--font-mono);
}

.comment-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    word-break: break-word;
}

.comment-actions {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.comment-like-btn,
.comment-reply-to-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-tertiary);
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all 0.2s;
}
.comment-like-btn:hover,
.comment-reply-to-btn:hover {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.1);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.2);
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}
.comment-like-btn.liked {
    color: var(--accent-primary);
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.15);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.3);
}
.comment-like-btn svg,
.comment-reply-to-btn svg {
    width: 14px;
    height: 14px;
}

/* 评论输入区域 */
.comment-input-area {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.comment-input-wrap {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}
.comment-input {
    flex: 1;
    min-height: 60px;
    max-height: 120px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    outline: none;
    transition: all 0.2s;
}
.comment-input:focus {
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.4);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(var(--accent-rgb, 100, 150, 255), 0.1);
}
.comment-input::placeholder {
    color: var(--text-tertiary);
}
.comment-send-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb, 100, 150, 255), 0.3);
}
.comment-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--accent-rgb, 100, 150, 255), 0.4);
}
.comment-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.comment-input-hint {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
}
.reply-hint {
    color: var(--accent-primary);
}
.reply-hint .cancel-reply {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    margin-left: 8px;
    font-size: 12px;
}
.reply-hint .cancel-reply:hover {
    color: var(--text-primary);
}

/* 旧样式兼容 */
.comment-likes {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-tertiary);
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all 0.2s;
}

.comment-likes:hover {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.1);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.2);
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

.comment-likes svg {
    width: 14px;
    height: 14px;
}

/* 加载/空状态 */
.comments-loading, .no-comments, .comments-error {
    text-align: center;
    padding: 60px 40px;
    color: var(--text-tertiary);
}

.comments-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.comments-loading::before {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: rgba(var(--accent-rgb, 100, 150, 255), 0.8);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.no-comments::before {
    content: '💬';
    display: block;
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.comments-error {
    color: rgba(248, 113, 113, 0.8);
}

.comments-error::before {
    content: '⚠️';
    display: block;
    font-size: 48px;
    margin-bottom: 16px;
}

/* ============================================
   评论被回复引用样式
   ============================================ */
.comment-replied {
    margin-top: 10px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    border-left: 2px solid rgba(var(--accent-rgb, 100, 150, 255), 0.4);
    font-size: 13px;
    color: var(--text-tertiary);
    line-height: 1.5;
}

.replied-user {
    color: rgba(var(--accent-rgb, 100, 150, 255), 0.8);
    font-weight: 500;
}

.replied-text {
    color: var(--text-tertiary);
}

/* ============================================
   回复按钮样式
   ============================================ */
.comment-reply-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-tertiary);
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 8px;
}

.comment-reply-btn:hover {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.1);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.2);
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

.comment-reply-btn.active {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.15);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.3);
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

.comment-reply-btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

.comment-reply-btn.loading::after {
    content: '';
    width: 12px;
    height: 12px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 4px;
}

/* ============================================
   楼层回复容器
   ============================================ */
.comment-replies-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.comment-replies-container.expanded {
    max-height: 2000px;
    margin-top: 16px;
}

.replies-list {
    padding-left: 20px;
    border-left: 2px solid rgba(var(--accent-rgb, 100, 150, 255), 0.2);
}

/* ============================================
   单条回复样式
   ============================================ */
.reply-item {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all 0.25s ease;
    animation: replySlideIn 0.3s cubic-bezier(0.32, 0.72, 0, 1) backwards;
}

@keyframes replySlideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.reply-item:nth-child(1) { animation-delay: 0.05s; }
.reply-item:nth-child(2) { animation-delay: 0.1s; }
.reply-item:nth-child(3) { animation-delay: 0.15s; }
.reply-item:nth-child(4) { animation-delay: 0.2s; }
.reply-item:nth-child(n+5) { animation-delay: 0.25s; }

.reply-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(var(--accent-rgb, 100, 150, 255), 0.1);
}

.reply-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.reply-content {
    flex: 1;
    min-width: 0;
}

.reply-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}

.reply-user {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.reply-to {
    font-size: 12px;
    color: rgba(var(--accent-rgb, 100, 150, 255), 0.7);
}

.reply-time {
    font-size: 11px;
    color: var(--text-disabled);
    font-family: var(--font-mono);
    margin-left: auto;
}

.reply-text {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    word-break: break-word;
}

.reply-actions {
    margin-top: 8px;
}

.reply-likes {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-disabled);
    cursor: pointer;
    transition: color 0.2s;
}

.reply-likes:hover {
    color: rgba(var(--accent-rgb, 100, 150, 255), 0.8);
}

/* ============================================
   加载更多回复按钮
   ============================================ */
.replies-more {
    padding: 10px 16px;
    margin-top: 8px;
    text-align: center;
    font-size: 13px;
    color: rgba(var(--accent-rgb, 100, 150, 255), 0.8);
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.08);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.replies-more:hover {
    background: rgba(var(--accent-rgb, 100, 150, 255), 0.15);
    color: rgba(var(--accent-rgb, 100, 150, 255), 1);
}

.replies-empty,
.replies-error {
    padding: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-disabled);
}

.replies-error {
    color: rgba(248, 113, 113, 0.7);
}

/* ============================================
   MV弹窗样式
   ============================================ */
.mv-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
}

.mv-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mv-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
}

.mv-modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    background: var(--canvas-deep);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.mv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.mv-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.mv-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    transition: all 0.2s;
}

.mv-close:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.mv-video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
}

.mv-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
}