/* ===== App Layout (v4.0 Three-Column + Topbar) ===== */
.app-layout {
    display: grid;
    grid-template-columns: clamp(80px, 12vw, 160px) 1fr clamp(160px, 20vw, 280px);
    grid-template-rows: auto 1fr;
    column-gap: 0;
    height: 100vh;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

@media (min-width: 2549px) {
    .app-layout {
        width: 80vw;
    }
}

/* ===== Left Sidebar (跨两�? ===== */
.sidebar {
    grid-column: 1;
    grid-row: 1 / -1;
    display: flex;
    flex-direction: column;
    background: var(--c-surface-2);
    border-right: none;
    padding: 0 0 16px var(--c-space);
    overflow: visible;
    position: relative;
    z-index: 10;
    --c-curve: 30px;
    --c-bridge: 31px;
    --c-tab-bg: #ffffff;
    --c-tab-bridge-bg: var(--c-surface-2);
}
.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px 18px;
}
.sidebar__logo {
    width: clamp(36px, 4.5vh, 56px);
    height: clamp(36px, 4.5vh, 56px);    
    display: flex;
    align-items: center;
    justify-content: center;    
    flex-shrink: 0;
    color: var(--c-primary);
}
.sidebar__logo svg {
    width: 80%;
    height: 80%;
}
.sidebar__logo svg path {
    fill: currentColor;
}
.sidebar__name {
    font-family: "YouShe Title Black", system-ui, sans-serif;
    font-size: clamp(20px, 2.8vh, 30px);
    font-weight: normal;
    color: var(--c-primary);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

@media (max-width: 1920px) {
    .app-layout {
        width: 100vw;
        max-width: 100vw;
    }
}
@media (max-width: 1499px) {
    .sidebar__brand {
        flex-direction: column;
        gap: 0;
        align-self: center;
    }
}

@media (max-width: 1499px) and (min-width: 769px) {
    .mini-player-bar {
        position: fixed;
        bottom: 0;
        left: clamp(80px, 12vw, 160px);
        right: clamp(160px, 20vw, 280px);
        z-index: 500;
        border-radius: 0;
    }
    .karaoke-bar {
        position: fixed;
        bottom: 80px;
        left: clamp(80px, 12vw, 160px);
        right: clamp(160px, 20vw, 280px);
        z-index: 499;
    }
    .app-layout.has-mini-player .page--search {
        padding-bottom: 88px;
    }
    .app-layout.has-mini-player.has-karaoke .page--search {
        padding-bottom: 152px;
    }
}
@media (max-width: 1399px) {
    .sidebar__brand {
        display: flex;
        flex-direction: column;
    }
    .sidebar__logo {
        margin: 0 auto;
    }
}
@media (max-width: 1080px) {
    .sidebar__logo {
        width: clamp(28px, 3.5vh, 40px);
        height: clamp(28px, 3.5vh, 40px);
    }
    .sidebar__nav-item {
        justify-content: center;
        padding: 8px 10px;
    }
    .sidebar__nav-item span {
        display: none;
    }
    .sidebar__nav-item.is-active::before,
    .sidebar__nav-item.is-active::after {
        display: none;
    }
    .sidebar__nav-item.is-active {
        border-radius: var(--s-radius-md);
        margin-right: 0;
    }
    .person-layer {
        display: none;
    }
}

.sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    padding-right: 0;
}
.sidebar__nav::-webkit-scrollbar {
    width: 4px;
}
.sidebar__nav::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar__nav::-webkit-scrollbar-thumb {
    background: var(--c-text-3);
    border-radius: 2px;
}
.sidebar__nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--s-radius-md);
    color: var(--c-text-2);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--tr-fast);
    text-decoration: none;
    border: none;
    background: transparent;
    position: relative;
}
.sidebar__nav-item.is-active {
    background: #ffffff;
    color: var(--c-primary);
    font-weight: 600;
    border-radius: var(--s-radius-md) 0 0 var(--s-radius-md);
    position: relative;
    z-index: 2;
}
.sidebar__nav-item.is-active::before {
    content: '';
    position: absolute;
    top: calc(-1 * var(--c-curve));
    right: 0;
    width: var(--c-curve);
    height: var(--c-curve);
    background: var(--c-tab-bridge-bg);
    border-radius: 50%;
    box-shadow: calc(var(--c-curve) / 2) calc(var(--c-curve) / 2) 0 var(--c-tab-bg);
    z-index: 3;
}
.sidebar__nav-item.is-active::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--c-curve));
    right: 0;
    width: var(--c-curve);
    height: var(--c-curve);
    background: var(--c-tab-bridge-bg);
    border-radius: 50%;
    box-shadow: calc(var(--c-curve) / 2) calc(var(--c-curve) / -2) 0 var(--c-tab-bg);
    z-index: 3;
}

.sidebar__nav-item.is-active > i {
    color: var(--c-primary);
}
.sidebar__nav-item i {
    font-size: var(--fs-4xl);
    flex-shrink: 0;
}
.sidebar__nav-item span {
    white-space: nowrap;
}
.sidebar__footer {
    padding: 0;
}
.sidebar__user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--s-radius-md);
    cursor: pointer;
    transition: background var(--tr-fast);
}
.sidebar__user:hover {
    background: var(--c-surface-3);
}
.sidebar__user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--c-surface-3);
    flex-shrink: 0;
    transition: opacity var(--tr-fast);
}
.sidebar__user-avatar[data-hidden="1"] {
    display: none;
}
.sidebar__user-info {
    min-width: 0;
    flex: 1;
}
.sidebar__user-name {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar__user-desc {
    font-size: var(--fs-sm);
    color: var(--c-text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Mobile Header ===== */
.mobile-header {
    display: none;
}

/* ===== Main Content ===== */
.main-content {
    grid-column: 2;
    grid-row: 2;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    overflow: hidden;
    min-width: 0;
    min-height: 0;
    position: relative;
}

.person-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity var(--tr-med);
}
.person-layer img {
    position: absolute;
    left: calc(50% + var(--c-bg-offset-x-px, 0px));
    bottom: var(--c-person-bottom, 8%);
    transform: translate(-50%, 0) scale(var(--c-person-scale-num, 1)) scaleX(calc(1 - var(--c-person-flip, 0) * 2));
    transform-origin: center bottom;
    opacity: var(--c-person-opacity, 0);
    max-width: none;
    pointer-events: none;
    transition: opacity 0.8s ease, transform 0.2s ease;
}
[data-person=""] .person-layer { opacity: 0; }

body[data-person-pos] .person-layer { opacity: 0; }
body[data-person-pos="left"]   .person-layer[data-person-region="left"]   { opacity: 1; }
body[data-person-pos="center"] .person-layer[data-person-region="center"] { opacity: 1; }
body[data-person-pos="right"]  .person-layer[data-person-region="right"]  { opacity: 1; }

.person-layer[data-person-region="left"] video.mv-projection {
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.8s ease 0s;
    filter: contrast(1.05) saturate(1.1);
    object-fit: cover;
    background: #000;
}
body.mv-projection-active .person-layer[data-person-region="left"] video.mv-projection.is-visible {
    opacity: 1;
    transition: opacity 0.8s ease 0s;
}

body.mv-projection-active .person-layer img {
    opacity: 0 !important;
    transition: opacity 1.2s ease;
}
body.mv-projection-restoring .person-layer img {
    opacity: var(--c-person-opacity, 0.8) !important;
    transition: opacity 1.2s ease;
}

body.mv-projection-active .person-layer[data-person-region="left"] {
    pointer-events: auto;
    z-index: 5;
}

.person-layer[data-person-region="left"] .mv-expand-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: auto;
    transition: opacity 0.4s ease, background 0.2s ease;
    z-index: 30;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.person-layer[data-person-region="left"] .mv-expand-btn:hover { background: rgba(0, 0, 0, 0.85); }
.person-layer[data-person-region="left"] video.mv-projection.is-visible ~ .mv-expand-btn,
body.mv-projection-active .person-layer[data-person-region="left"] .mv-expand-btn.is-visible {
    opacity: 1;
    pointer-events: auto;
}
.person-layer[data-person-region="left"] .mv-expand-btn i { font-size: 16px; }
.person-layer[data-person-region="left"] .mv-expand-btn.is-hidden { display: none; }

.mv-floating-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.mv-floating-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}
.mv-floating-overlay__close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: background 0.2s, transform 0.2s;
    z-index: 10;
}
.mv-floating-overlay__close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}
.mv-floating-overlay__fs {
    position: absolute;
    top: 24px;
    right: 76px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: background 0.2s, transform 0.2s;
}
.mv-floating-overlay__fs:hover {
    background: rgba(255, 255, 255, 0.3);
}

video.mv-projection.is-floating {
    position: fixed;
    top: 50%;
    left: 50%;
    transform-origin: center center;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
    z-index: 1000;
    pointer-events: auto;
    opacity: 1;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                left 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                top 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                width 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                height 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.5s ease;
}
video.mv-projection.is-floating::-webkit-media-controls {
    opacity: 0;
    transition: opacity 0.3s ease;
}
video.mv-projection.is-floating:hover::-webkit-media-controls,
video.mv-projection.is-floating:focus::-webkit-media-controls {
    opacity: 1;
}
video.mv-projection.is-floating.is-floating--enter {
    transform: translate(-50%, -50%);
}
video.mv-projection.is-floating.is-floating--exit {
    transition: transform 0.6s cubic-bezier(0.55, 0, 0.68, 0) !important;
}

body.mv-floating-open .main-content,
body.mv-floating-open .sidebar,
body.mv-floating-open .right-panel {
    filter: blur(6px);
    transition: filter 0.4s ease;
}
body.mv-floating-open .mini-player,
body.mv-floating-open .lyric-panel {
    filter: none;
}
/* Topbar 跨整行，内部三列对齐 app-layout */
.topbar {
    grid-column: 1 / -1;
    grid-row: 1;
    display: grid;
    grid-template-columns: clamp(80px, 12vw, 160px) 1fr clamp(160px, 20vw, 280px);
    column-gap: 0;
    padding: clamp(4px, 0.8vh, 12px) 0;
    z-index: 5;
    background-color: #fff;
}
.topbar__left {
    grid-column: 1;
    display: flex;
    align-items: center;
}
.topbar__center {
    grid-column: 2;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 12px;
    min-width: 0;
    background: transparent;
}
.topbar__right {
    grid-column: 3;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 24px;
    background: transparent;
    white-space: nowrap;
}
.topbar__datetime {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
    cursor: pointer;
}
.topbar__time {
    font-family: Consolas, 'Courier New', monospace;
    font-size: clamp(16px, 2.8vh, 32px);
    font-weight: 400;
    color: var(--c-primary);
    line-height: 1;
}
.topbar__search {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 10;
}
.smartbox-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    max-height: 480px;
    overflow-y: auto;
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e5e7eb);
    border-radius: var(--s-radius-md, 12px);
    box-shadow: 0 12px 32px rgba(0,0,0,.12);
    z-index: 100;
    scrollbar-width: thin;
}
.smartbox-section { padding: 6px 0; }
.smartbox-section__title {
    padding: 6px 14px 4px;
    font-size: var(--fs-xxs, 11px);
    color: var(--c-text-3);
    text-transform: uppercase;
    letter-spacing: .05em;
}
.smartbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    cursor: pointer;
    transition: background var(--tr-fast);
}
.smartbox-item.is-active { background: color-mix(in srgb, var(--c-primary) 12%, transparent); }
.smartbox-item:hover { background: var(--c-surface-3); }
.smartbox-item__cover {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--c-surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--c-text-3);
}
.smartbox-item__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.smartbox-item__cover-icon { display: none; font-size: 18px; }
.smartbox-item__cover.no-img img { display: none; }
.smartbox-item__cover.no-img .smartbox-item__cover-icon { display: flex; }
.smartbox-item__cover .u-hidden { display: none; }
.smartbox-item__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.smartbox-item__name {
    font-size: var(--fs-md, 13px);
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.smartbox-item__meta {
    font-size: var(--fs-xxs, 11px);
    color: var(--c-text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.smartbox-item__play {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--c-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: opacity var(--tr-fast);
}
.smartbox-item:hover .smartbox-item__play { opacity: 1; }
.smartbox-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--c-text-3);
    font-size: var(--fs-md, 13px);
}
.smartbox-loading {
    padding: 16px;
    text-align: center;
    color: var(--c-text-3);
    font-size: var(--fs-md, 13px);
}
.smartbox-highlight {
    color: var(--c-primary);
    font-weight: 600;
}

.topbar__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.topbar .btn--icon,
.topbar .btn--icon i {
    color: var(--c-primary);
    background: transparent;
    border: none;
}
.topbar .btn--icon:hover {
    background: color-mix(in srgb, var(--c-primary) 12%, transparent);
}
.search-box--top {
    width: 100%;
    height: clamp(32px, 5vh, 44px);
    border-radius: 999px;
    background: #f5f5f7;
    border: 1.5px solid rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    padding: 0 0 0 20px;
    gap: 4px;
    transition: border-color var(--tr-fast), box-shadow var(--tr-fast), background var(--tr-fast);
}
.search-box--top:focus-within {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 12%, transparent);
}
.search-box--top .search-box__input {
    flex: 1;
    height: 100%;
    border: none;
    background: transparent;
    outline: none;
    font-size: var(--fs-xl);
    color: var(--c-text);
    min-width: 0;
    padding-left: 16px;
}
.search-box--top .search-box__input::placeholder {
    color: var(--c-text-3);
}
.search-box--top .search-box__submit {
    height: 100%;
    padding: 0 28px;
    font-size: var(--fs-xl);
    font-weight: 600;
    border-radius: 0 999px 999px 0;
    background: var(--c-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    margin-right: -1px;
    transition: background var(--tr-fast);
}
.search-box--top .search-box__submit:hover {
    background: var(--c-primary-2);
}
.search-box--top .search-box__submit.is-loading {
    color: transparent;
    pointer-events: none;
    position: relative;
}
.search-box--top .search-box__submit.is-loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}
.search-box--top .search-box__clear {
    color: var(--c-primary);
    background: transparent;
    border: none;
    outline: none;
    box-shadow: none;
}
.search-box--top .search-box__clear:hover {
    color: var(--c-primary-2);
    background: transparent;
}
.search-box--top:focus-within .search-box__clear {
    color: var(--c-primary);
    background: transparent;
    border: none;
    outline: none;
    box-shadow: none;
}
.search-box--mobile {
    display: none;
}
.page--search .search-box--mobile {
    display: none;
}
.page--search:not(.has-results) .page__section {
    display: none;
}

/* Page Content */
.page {
    display: none;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    padding: 0 var(--c-space) 24px;
}
.page.is-active {
    display: flex;
    flex-direction: column;
}
.page__section {
    margin-bottom: 32px;
}

/* ===== Home V4.4 - Auto-Scale Layout (vh-based clamp) ===== */
.page--home {
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding: 0 var(--c-space) 24px;
    gap: 0;
    justify-content: flex-start;
    height: 100%;
}
.page--home > * {
    flex-shrink: 0;
}
.page--home .home-banner {
    flex: 0 0 auto;
    margin-bottom: 0;
    height: auto;
}
.page--home .quick-entries {
    flex: 0 0 auto;
    margin-bottom: 0;
}
.page--home .page__section {
    flex: 0 0 auto;
    margin-bottom: clamp(10px, 1.8vh, 20px);
}
.page--home .page__section--rank {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    margin-bottom: clamp(10px, 1.8vh, 20px);
    overflow: visible;
}
.page--home .page__section:last-of-type {
    flex: 0 0 auto;
    margin-bottom: 0;
}
.page--home .page__section--rank .rank-grid--v2 {
    flex: 0 0 auto;
}
.page__section-sticky {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--c-surface);
}
.page__section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: clamp(6px, 1vh, 14px);
    gap: 16px;
}
.page__section-header:has(> .btn--icon:first-child) {
    justify-content: flex-start;
    align-items: center;
}
.page__title {
    font-size: clamp(16px, 2.2vh, 20px);
    font-weight: 700;
    color: var(--c-text);
    margin: 0;
}
.page__subtitle {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0 12px;
}
.page__subtitle::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--c-primary), transparent);
    opacity: .35;
}
.page__section-header > .page__subtitle {
    font-size: var(--fs-sm);
    font-weight: 400;
    color: var(--c-text-3);
    margin: 0;
    display: inline;
    gap: 0;
}
.page__section-header > .page__subtitle::after {
    content: none;
}
.page__tabs {
    display: flex;
    gap: 4px;
    background: var(--c-surface-2);
    padding: 4px;
    border-radius: var(--s-radius-md);
}
.page__tab {
    padding: 6px 14px;
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--c-text-2);
    border: none;
    background: transparent;
    border-radius: calc(var(--s-radius-md) - 2px);
    cursor: pointer;
    transition: all var(--tr-fast);
}
.page__tab:hover {
    color: var(--c-text);
}
.page__tab.is-active {
    background: var(--c-primary);
    color: #fff;
}
.page__header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Rank Grid (Home Page) */
.rank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.rank-card {
    display: flex;
    flex-direction: column;
    background: var(--c-surface);
    border-radius: var(--s-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--tr-fast);
    box-shadow: var(--c-shadow-sm);
    border: 1px solid var(--c-border);
}
.rank-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--c-shadow-md);
}
.rank-card__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: linear-gradient(135deg, var(--c-surface-2), var(--c-surface-3));
}
.rank-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.rank-card__cover.is-placeholder::before {
    content: '\f1b3';
    font-family: remixicon;
    font-size: 48px;
    color: var(--c-text-3);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}
.rank-card__play {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--c-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-2xl);
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--tr-fast);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.rank-card:hover .rank-card__play {
    opacity: 1;
    transform: scale(1);
}
.rank-card__info {
    padding: 12px;
}
.rank-card__name {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-card__desc {
    font-size: var(--fs-md);
    color: var(--c-text-3);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Song List (Card Layout) */
.playlist-detail-panel .song-list,
.radio-detail-panel .song-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 4px;
    padding-bottom: 24px;
}
.playlist-detail-panel .song-list::-webkit-scrollbar,
.radio-detail-panel .song-list::-webkit-scrollbar {
    width: 4px;
}
.playlist-detail-panel .song-list::-webkit-scrollbar-track,
.radio-detail-panel .song-list::-webkit-scrollbar-track {
    background: transparent;
}
.playlist-detail-panel .song-list::-webkit-scrollbar-thumb,
.radio-detail-panel .song-list::-webkit-scrollbar-thumb {
    background: var(--c-text-3);
    border-radius: 2px;
}
.song-list--card .song-item {
    padding: 10px 12px;
    border-radius: var(--s-radius-md);
    transition: all var(--tr-fast);
}
.song-list--card .song-item:hover {
    background: var(--c-surface);
    box-shadow: var(--c-shadow-sm);
}
.song-list--card .song-item--active {
    background: color-mix(in srgb, var(--c-primary) 10%, var(--c-surface));
}
.song-list--card .song-item__cover {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

/* Playlist Grid */
.playlist-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}

/* ===== Right Panel ===== */
.right-panel {
    grid-column: 3;
    grid-row: 2;
    display: flex;
    flex-direction: column;   
    border-left: none;
    overflow: hidden;
    padding: 0;
    gap: 10px;
    min-height: 0;
    position: relative;
}
.right-panel::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}
.right-panel::-webkit-scrollbar-track {
    background: transparent;
}
.right-panel::-webkit-scrollbar-thumb {
    background: var(--c-text-3);
    border-radius: 2px;
}
.right-panel::-webkit-scrollbar-thumb:hover {
    background: var(--c-text-2);
}

.panel {
    background: var(--c-surface-2);
    border-radius: var(--s-radius-lg);
    padding: var(--s-card-pad);
}
.panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.panel__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--c-text);
    margin: 0;
}
.panel__more {
    font-size: var(--fs-md);
    color: var(--c-primary);
    font-weight: 500;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px 8px;
    border-radius: 8px;
    transition: all var(--tr-fast);
}
.panel__more:hover {
    color: var(--c-primary-2);
    background: color-mix(in srgb, var(--c-primary) 8%, transparent);
}

/* Now Playing Panel */
.panel--now-playing-v2 {
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--c-primary) 12%, var(--c-surface)) 0%,
        var(--c-surface-2) 100%);
    border: 1px solid color-mix(in srgb, var(--c-primary) 15%, transparent);
}
.panel--now-playing-v2 .panel__title {
    letter-spacing: 0.3px;
}
.panel--recent .panel__title {
    color: var(--c-text-2);
    font-weight: 600;
}
.control-btn--sm {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--c-surface);
    color: var(--c-primary);
    font-size: var(--fs-2xl);
    transition: all var(--tr-fast);
    border: 1px solid var(--c-border);
}
.control-btn--sm:hover {
    background: var(--c-surface-3);
    transform: scale(1.05);
}
.control-btn--sm.control-btn--primary {
    width: 44px;
    height: 44px;
    background: var(--c-primary);
    color: #fff;
    font-size: var(--fs-3xl);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--c-primary) 30%, transparent);
    border: none;
}
.control-btn--sm.control-btn--primary:hover {
    background: var(--c-primary-2);
    transform: scale(1.05);
}

/* Stats Panel */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.stats-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    background: var(--c-surface);
    border-radius: var(--s-radius-md);
    transition: all var(--tr-fast);
}
.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--c-shadow-sm);
}
.stats-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--c-primary) 15%, transparent);
    color: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-3xl);
}
.stats-card__icon--green {
    background: color-mix(in srgb, #10b981 15%, transparent);
    color: #10b981;
}
.stats-card__icon--orange {
    background: color-mix(in srgb, #f59e0b 15%, transparent);
    color: #f59e0b;
}
.stats-card__icon--purple {
    background: color-mix(in srgb, #8b5cf6 15%, transparent);
    color: #8b5cf6;
}
.stats-card__value {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--c-text);
}
.stats-card__label {
    font-size: var(--fs-sm);
    color: var(--c-text-3);
}

/* Recent List */
.recent-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.recent-list__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--s-radius-sm);
    cursor: pointer;
    transition: all var(--tr-fast);
}
.recent-list__item:hover {
    background: var(--c-surface);
    transform: translateX(2px);
}
.recent-list__cover {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--c-surface-3);
    flex-shrink: 0;
}
.recent-list__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.recent-list__info {
    flex: 1;
    min-width: 0;
}
.recent-list__title {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.recent-list__artist {
    font-size: var(--fs-sm);
    color: var(--c-text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Karaoke Lyrics Bar ===== */
.karaoke-bar {
    flex-shrink: 0;
    height: 64px;
    background: var(--c-bg);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0 32px;
    overflow: hidden;
}
.karaoke-bar:not(.u-hidden) {
    display: flex;
}
.karaoke-bar__line {
    width: 100%;
    max-width: 900px;
    text-align: center;
    overflow: hidden;
    position: relative;
}
.karaoke-bar__text {
    display: inline;
    font-size: clamp(20px, 3vh, 36px);
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: 0.5px;
    line-height: 1.4;
    white-space: nowrap;
}
.karaoke-bar__char {
    color: var(--c-primary);
    transition: color 80ms linear;
}
.karaoke-bar__char--singing {
    color: var(--c-karaoke-hit);
    font-weight: 800;
}
.karaoke-bar__char--sung {
    color: var(--c-karaoke-hit);
}

/* ===== Mini Player Bar (Bottom) ===== */
.mini-player-bar {
    flex-shrink: 0;
    height: 80px;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    display: none;
}
.mini-player-bar:not(.u-hidden) {
    display: block;
}
.mini-player-bar__inner {
    display: grid;
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr) minmax(0, 280px);
    height: 100%;
    padding: 0 20px;
    gap: 16px;
    align-items: center;
}
.mini-player-bar__left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    overflow: hidden;
}
.mini-player-bar__right {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
    overflow: hidden;
}
.mini-player-bar__mobile-controls {
    display: none;
}
.mini-player-bar__cover {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--c-surface-2);
    box-shadow: var(--c-shadow-sm);
}
.mini-player-bar__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.mini-player-bar__info {
    flex: 1;
    min-width: 0;
}
.mini-player-bar__title {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mini-player-bar__artist {
    font-size: var(--fs-md);
    color: var(--c-text-3);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mini-player-bar__center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.mini-player-bar__controls {
    display: flex;
    align-items: center;
    gap: 20px;
}
.control-btn--md {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    color: var(--c-text-2);
    font-size: var(--fs-3xl);
    transition: background var(--tr-fast), color var(--tr-fast);
}
.control-btn--md:hover {
    background: var(--c-surface-2);
    color: var(--c-text);
}
.control-btn--md.control-btn--primary {
    width: 48px;
    height: 48px;
    background: var(--c-primary);
    color: #fff;
    font-size: 22px;
    box-shadow: 0 4px 16px color-mix(in srgb, var(--c-primary) 30%, transparent);
}
.control-btn--md.control-btn--primary:hover {
    background: var(--c-primary-2);
    transform: scale(1.05);
}
.mini-player-bar__progress {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 500px;
}
.mini-player-bar__progress span {
    font-size: var(--fs-sm);
    color: var(--c-text-3);
    min-width: 36px;
    text-align: center;
}
.progress--bar {
    flex: 1;
    height: 3px;
    background: var(--c-border);
    border-radius: var(--s-radius-xl);
    cursor: pointer;
}
.progress--bar .progress__fill {
    height: 100%;
    background: var(--c-primary);
    border-radius: var(--s-radius-xl);
}
.mini-player-bar__right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-width: 0;
}
.mini-player-bar__right .btn--icon {
    background: transparent;
    border: none;
    box-shadow: none;
    outline: none;
    color: var(--c-text-3);
}
.mini-player-bar__right .btn--icon:hover {
    color: var(--c-text);
    background: transparent;
}
.mini-player-bar__right .btn--icon:focus,
.mini-player-bar__right .btn--icon:active {
    outline: none;
}
.mode-group--bar {
    display: none;
}
.mode-dropdown__menu {
    background: var(--c-surface);
    border-radius: var(--s-radius-md);
    border: 1px solid var(--c-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 6px;
    z-index: 9999;
}
.mode-dropdown__item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border: none;
    background: transparent;
    border-radius: var(--s-radius-sm);
    font-size: var(--fs-md);
    color: var(--c-text);
    cursor: pointer;
    transition: background var(--tr-fast), color var(--tr-fast);
}
.mode-dropdown__item i {
    font-size: var(--fs-xl);
    color: var(--c-text-3);
}
.mode-dropdown__item:hover {
    background: var(--c-surface-2);
}
.mode-dropdown__item.is-active {
    background: color-mix(in srgb, var(--c-primary) 12%, transparent);
    color: var(--c-primary);
}
.mode-dropdown__item.is-active i {
    color: var(--c-primary);
}
.btn-karaoke-btn {
    font-size: 18px;
    font-weight: 700;
}
.btn-karaoke-btn.is-active {
    color: var(--c-primary);
    background: color-mix(in srgb, var(--c-primary) 14%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--c-primary) 30%, transparent);
}
.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
}
.volume-control i {
    font-size: var(--fs-3xl);
    color: var(--c-text-3);
}
.volume-slider {
    width: 80px;
}
.volume-slider input[type="range"] {
    width: 100%;
    height: 14px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    outline: none;
    cursor: pointer;
    pointer-events: auto;
}
.volume-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--c-border);
    border-radius: var(--s-radius-xl);
}
.volume-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-primary);
    cursor: pointer;
    margin-top: -5px;
    border: none;
}
.volume-slider input[type="range"]::-moz-range-track {
    height: 4px;
    background: var(--c-border);
    border-radius: var(--s-radius-xl);
    border: none;
}
.volume-slider input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-primary);
    cursor: pointer;
    border: none;
}

@media (max-width: 1280px) {
    .mini-player-bar__inner {
        gap: 10px;
    }
    .mini-player-bar__right {
        gap: 6px;
    }
    .mini-player-bar__right .mode-group--bar {
        display: none;
    }
    .mini-player-bar__center .mini-player-bar__progress > span {
        display: none;
    }
    .mini-player-bar__progress {
        max-width: none;
    }
}

@media (max-width: 1150px) {
    .mini-player-bar__right #btn-karaoke,
    .mini-player-bar__right #btn-full-player {
        display: none;
    }
}

/* ===== Playlist Detail Panel ===== */
.playlist-detail-panel {
    display: none;
    flex-direction: column;
    padding: 16px 24px;
    background: #ffffff;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.playlist-detail-panel.u-hidden {
    display: none;
}
.playlist-detail-panel:not(.u-hidden) {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.playlist-detail-panel__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
}
.playlist-detail-panel__info {
    flex: 1;
    min-width: 0;
}
.playlist-detail-panel__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.playlist-detail-panel__meta {
    font-size: var(--fs-md);
    color: var(--c-text-3);
    margin-top: 2px;
}
.playlist-detail-panel__actions {
    display: flex;
    align-items: center;
    gap: 4px;
}
.radio-detail-panel {
    display: none;
    flex-direction: column;
    padding: 24px;
    background: #ffffff;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    gap: 16px;
}
.radio-detail-panel.u-hidden {
    display: none;
}
.radio-detail-panel:not(.u-hidden) {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ===== FM Radio Cards ===== */
.page--fm .fm-radio-group {
    margin-bottom: 20px;
}
.page--fm .fm-radio-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.page--fm .fm-radio-card {
    padding: 0;
    gap: 0;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border-radius: 10px;
    overflow: hidden;
    background: var(--c-surface-2);
}
.page--fm .fm-radio-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}
.page--fm .fm-radio-card__cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--c-surface-3);
    border-radius: 0;
}
.page--fm .fm-radio-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.page--fm .fm-radio-card:hover .fm-radio-card__cover img {
    transform: scale(1.05);
}
.page--fm .fm-radio-card__name {
    padding: 6px 10px 0;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.page--fm .fm-radio-card__count {
    padding: 0 10px 6px;
    font-size: var(--fs-xs);
    color: var(--c-text-3);
}

/* ===== Unified Card Grid (全站统一卡片，6→5→4→3) ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.card {
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
    background: var(--c-surface-2);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}
.card__cover {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--c-surface-3);
}
.card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.card:hover .card__cover img {
    transform: scale(1.05);
}
.card__fav {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 2;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(0,0,0,0.45);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
}
.card:hover .card__fav {
    opacity: 1;
    transform: scale(1);
}
.card__fav:hover {
    background: rgba(0,0,0,0.65);
    transform: scale(1.1);
}
.card__fav.is-faved {
    opacity: 1;
    color: #ff4757;
    background: rgba(255,255,255,0.92);
}
.card__fav.is-loading {
    pointer-events: none;
    opacity: 0.7;
}
.card__cover-badge {
    position: absolute;
    bottom: 6px;
    left: 6px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 3px;
    line-height: 1.4;
}
.card__name {
    padding: 6px 10px 0;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card__sub {
    padding: 0 10px 6px;
    font-size: var(--fs-xs);
    color: var(--c-text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Settings Page ===== */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--c-surface);
    border-radius: var(--s-radius-md);
    border: 1px solid var(--c-border);
}
.settings-item__info {
    flex: 1;
}
.settings-item__title {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--c-text);
}
.settings-item__desc {
    font-size: var(--fs-md);
    color: var(--c-text-3);
    margin-top: 4px;
}
.settings-item--stack {
    flex-wrap: wrap;
}
.settings-item--row > .settings-item__desc {
    margin-top: 0;
}
.settings-item--row > .version-text {
    font-weight: 500;
}
.settings-item--stack > .settings-item__info {
    flex: 1 1 100%;
    margin-bottom: 12px;
}
.settings-item--stack > .qq-uid-row {
    flex: 1 1 100%;
    width: 100%;
}
.theme-mode-group {
    display: flex;
    background: var(--c-surface-2);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
    position: relative;
}
.theme-mode-group .mode-btn {
    padding: 6px 14px;
    font-size: var(--fs-md);
    border: none;
    background: transparent;
    color: var(--c-text-2);
    border-radius: 6px;
    cursor: pointer;
    transition: color 200ms;
    position: relative;
    z-index: 1;
}
.theme-mode-group .mode-btn.is-active {
    color: #fff;
}
.seg-thumb {
    position: absolute;
    top: 3px;
    height: calc(100% - 6px);
    background: var(--c-primary);
    border-radius: 6px;
    transition: transform 260ms cubic-bezier(0.4, 0, 0.2, 1), width 260ms cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 0;
}

/* ===== Playlist Grid (Page-Specific) ===== */
.page .playlist-grid {
    grid-template-columns: repeat(6, 1fr);
}

/* ===== Responsive ===== */

@media (max-width: 1100px) {
    .app-layout {
        grid-template-columns: clamp(90px, 14vw, 150px) 1fr;
    }
    .topbar {
        grid-column: 1 / -1;
        grid-template-columns: clamp(90px, 14vw, 150px) 1fr;
    }
    .topbar__right {
        display: none;
    }
    .right-panel {
        display: none;
    }
    .page--rank .page__section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .page--home .rank-grid--v2 {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 900px) {
    .app-layout {
        grid-template-columns: 72px 1fr;
    }
    .topbar {
        grid-column: 1 / -1;
        grid-template-columns: 72px 1fr;
    }
    .topbar__right {
        grid-column: 2;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    body {
        padding: 0 8px 8px;
    }
    /* 该区间 body 有 8px 内边距、侧栏定宽 72px，迷你播放器对齐主内容列 */
    .mini-player-bar {
        left: 80px;
        right: 8px;
        bottom: 8px;
    }
    .app-layout {
        grid-template-columns: 72px 1fr;
        width: 100%;
        max-width: 100%;
        min-height: calc(100dvh - 8px);
        margin: 0;
    }
    .topbar {
        grid-column: 1 / -1;
        grid-template-columns: 72px 1fr;
    }
    .topbar__right {
        display: none;
    }
    .sidebar {
        border-radius: 12px 0 0 12px;
    }
    .sidebar__name,
    .sidebar__nav-item span,
    .sidebar__user-info,
    .sidebar__user-desc {
        display: none;
    }
    .sidebar__brand {
        justify-content: center;
        padding: 0;
    }
    .sidebar__logo {
        width: 50px;
        height: 50px;
    }
    .sidebar__logo svg {
        width: 50px;
        height: 50px;
    }
    .sidebar__nav {
        gap: 4px;
    }
    .sidebar__nav-item {
        justify-content: center;
        padding: 10px;
        font-size: var(--fs-3xl);
    }
    .sidebar__nav-item.is-active::before,
    .sidebar__nav-item.is-active::after {
        display: none;
    }
    .sidebar__nav-item.is-active {
        margin-right: 0;
        padding-right: 10px;
    }
    .sidebar__footer {
        display: flex;
        justify-content: center;
    }
    .sidebar__user {
        padding: 8px;
    }
    .topbar {
        height: 90px;
    }
    .topbar__center {
        padding: 0 16px 10px;
        gap: 12px;
    }
    .topbar__actions {
        gap: 4px;
    }
    .page {
        padding: 16px;
    }
    .mini-player-bar__inner {
        padding: 0 12px;
    }
    .mini-player-bar__center {
        max-width: 380px;
    }
}

@media (max-width: 1100px) {
    .skin-decor-layer {
        display: none;
    }
}

@media (max-width: 768px) {
    html, body {
        height: auto;
        margin: 0;
        padding: 0;
    }
    body {
        padding: 0;
        align-items: stretch;
        justify-content: stretch;
    }
    .app-layout {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        width: 100%;
        margin: 0;
        padding: 0 0 50px 0;
        border-radius: 0;
        box-shadow: none;
        position: relative;
    }
    .mobile-header {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 16px;
        background: var(--c-surface);
        border-bottom: 1px solid var(--c-border);
        z-index: 10;
    }
    .sidebar {
        flex-shrink: 0;
        flex-direction: row;
        align-items: stretch;
        justify-content: space-around;
        padding: 0 0 env(safe-area-inset-bottom);
        border-right: none;
        border-bottom: none;
        border-top: 1px solid var(--c-border);
        overflow: hidden;
        height: 56px;
        min-height: 56px;
        background: #ffffff;
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 600;
    }
    .sidebar__brand {
        display: none;
    }
    .sidebar__user-info {
        display: none;
    }
    .sidebar__footer {
        display: none;
    }
    .person-layer {
        display: none;
    }
    .page--settings .settings-item--stack {
        display: none;
    }
    .page--settings .page__title {
        display: none;
    }
    .page--settings .settings-item:has(#btn-reset-data) {
        display: none;
    }
    .mini-player-bar__right .mode-group {
        display: none;
    }
    .sidebar__nav {
        flex-direction: row;
        flex-wrap: nowrap;
        width: 100%;
        height: 100%;
        justify-content: space-around;
        align-items: center;
    }
    .sidebar__nav-item {
        flex: 1 1 0;
        padding: 4px 4px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0;
        text-align: center;
        min-width: 0;
        height: 100%;
        border-radius: 0;
        font-size: var(--fs-md);
        font-weight: 400;
        margin: 0;
        transition: none;
    }
    .sidebar__nav-item:hover {
        background: transparent;
    }
    .sidebar__nav-item i {
        font-size: 22px;
    }
    .sidebar__nav-item span {
        display: block;
        font-size: var(--fs-sm);
        white-space: nowrap;
        line-height: 1.2;
    }
    .sidebar__nav-item.is-active {
        background: transparent;
        color: var(--c-primary);
        border-radius: 0;
        margin: 0;
        padding: 6px 4px;
        font-weight: 400;
    }
    .sidebar__nav-item.is-active::before,
    .sidebar__nav-item.is-active::after {
        display: none;
    }
    .main-content {
        flex: 1;
        padding: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        min-height: 0;
        box-sizing: border-box;
    }
    .page {
        flex: 1;
        padding: 12px;
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
        overflow-y: auto;
        overflow-x: hidden;
        box-sizing: border-box;
        -webkit-overflow-scrolling: touch;
        min-width: 0;
    }
    .app-layout.has-mini-player .page {
        padding-bottom: calc(128px + env(safe-area-inset-bottom));
    }
    .page__section {
        margin-bottom: 16px;
    }
    .page--search.is-active {
        display: flex;
        flex-direction: column;
        overflow: hidden;
        padding-bottom: 0;
    }
    .page--search.is-active .search-box--mobile {
        flex-shrink: 0;
    }
    .page--search.is-active .page__section {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 0;
        padding-right: 4px;
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }
    .app-layout.has-mini-player .page--search.is-active .page__section {
        padding-bottom: calc(128px + env(safe-area-inset-bottom));
    }
    .page--search.is-active .page__section-header {
        flex-shrink: 0;
        position: sticky;
        top: 0;
        background: var(--c-bg);
        z-index: 1;
        padding-top: 4px;
    }
    .app-layout .my-playlist-detail:not(.u-hidden) {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 660;
        flex-direction: column;
        padding: 12px;
        padding-bottom: 0;
        box-sizing: border-box;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
        animation: panel-slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .app-layout .my-playlist-detail:not(.u-hidden).is-closing {
        animation: panel-slide-down 0.25s ease-in forwards;
    }
    .app-layout .my-playlist-detail__header {
        flex-shrink: 0;
        position: static;
    }
    .app-layout .my-playlist-detail:not(.u-hidden) .song-list {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
        box-sizing: border-box;
    }
    .app-layout.has-mini-player .my-playlist-detail:not(.u-hidden) .song-list {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
    .app-layout .playlist-detail-panel:not(.u-hidden) {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 660;
        flex-direction: column;
        padding: 12px;
        padding-bottom: 0;
        box-sizing: border-box;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
        animation: panel-slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .app-layout .radio-detail-panel:not(.u-hidden) {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 660;
        flex-direction: column;
        padding: 12px;
        padding-bottom: 0;
        box-sizing: border-box;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
        animation: panel-slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .app-layout .playlist-detail-panel:not(.u-hidden).is-closing,
    .app-layout .radio-detail-panel:not(.u-hidden).is-closing {
        animation: panel-slide-down 0.25s ease-in forwards;
    }
    .app-layout .playlist-detail-panel:not(.u-hidden) .song-list,
    .app-layout .radio-detail-panel:not(.u-hidden) .song-list {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
        box-sizing: border-box;
    }
    .app-layout.has-mini-player .playlist-detail-panel:not(.u-hidden) .song-list,
    .app-layout.has-mini-player .radio-detail-panel:not(.u-hidden) .song-list {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }
    .app-layout .playlist-detail-panel__header {
        flex-shrink: 0;
        position: static;
    }
    .right-panel {
        display: none;
    }
    .mini-player-bar {
        position: fixed;
        bottom: calc(56px + env(safe-area-inset-bottom));
        left: 0;
        right: 0;
        height: 56px;
        z-index: 500;
        width: 100%;
        border-radius: 0;
    }
    .karaoke-bar {
        display: none;
    }
    .btn--icon#btn-karaoke {
        display: none;
    }
    .mini-player-bar__inner {
        grid-template-columns: 1fr auto;
        padding: 0 10px;
        gap: 8px;
        align-items: center;
    }
    .mini-player-bar__center,
    .mini-player-bar__right {
        display: none;
    }
    .mini-player-bar__left {
        display: flex;
        align-items: center;
        gap: 8px;
        min-width: 0;
    }
    .mini-player-bar__cover {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
    .mini-player-bar__info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-width: 0;
        flex: 1;
    }
    .mini-player-bar__title {
        font-size: var(--fs-md);
    }
    .mini-player-bar__artist {
        font-size: var(--fs-sm);
    }
    .mini-player-bar__left .meta-like {
        display: none;
    }
    .mp-mobile-pp {
        display: none;
    }
    .mini-player-bar__mobile-controls {
        display: flex;
        align-items: center;
        gap: 2px;
    }
    .mini-player-bar__mobile-controls .control-btn--sm {
        width: 32px;
        height: 32px;
        font-size: var(--fs-xl);
    }
    .mini-player-bar__mobile-controls .control-btn--md {
        width: 38px;
        height: 38px;
        font-size: var(--fs-2xl);
    }
    .topbar {
        display: none;
    }
    .mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 16px;
        background: var(--c-surface);
        border-bottom: 1px solid var(--c-border);
        flex-shrink: 0;
        z-index: 10;
    }
    .mobile-header__brand {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--c-primary);
    }
    .mobile-header__brand svg {
        width: 48px;
        height: 48px;
    }
    .mobile-header__brand svg path {
        fill: currentColor;
    }
    .mobile-header__brand span {
        font-family: "YouShe Title Black", system-ui, sans-serif;
        font-size: 28px;
        font-weight: normal;
        line-height: 1;
        display: inline;
        padding-left: 2px;
        padding-top: 10px;
    }
    .mobile-header__actions {
        display: flex;
        gap: 4px;
    }
    .mobile-header__actions .btn--icon {
        width: 36px;
        height: 36px;
        font-size: var(--fs-3xl);
        background: transparent;
        border: none;
        color: var(--c-primary);
    }
    .page--search .search-box--mobile {
        display: flex;
        width: 100%;
        height: 42px;
        border-radius: 999px;
        background: #f5f5f7;
        border: 1px solid #e5e5ea;
        align-items: center;
        padding: 0;
        gap: 0;
        margin-bottom: 12px;
        transition: border-color var(--tr-fast), box-shadow var(--tr-fast), background var(--tr-fast);
    }
    .search-box--mobile:focus-within {
        border-color: var(--c-primary);
        background: #f5f5f7;
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 12%, transparent);
    }
    .search-box--mobile .search-box__input {
        flex: 1;
        border: none;
        background: transparent;
        outline: none;
        font-size: var(--fs-xl);
        color: var(--c-text);
        min-width: 0;
        padding: 0 16px 0 20px;
        height: 100%;
    }
    .search-box--mobile .search-box__input::placeholder {
        color: var(--c-text-3);
    }
    .search-box--mobile .search-box__submit {
        flex-shrink: 0;
        height: 100%;
        padding: 0 28px;
        font-size: var(--fs-xl);
        font-weight: 600;
        letter-spacing: 2px;
        border-radius: 0 999px 999px 0;
        background: var(--c-primary);
        color: #fff;
        border: none;
        cursor: pointer;
        margin-right: -1px;
        transition: background var(--tr-fast);
    }
    .search-box--mobile .search-box__submit:hover {
        background: var(--c-primary-2);
    }
    .search-box--mobile .search-box__submit.is-loading {
        color: transparent;
        pointer-events: none;
        position: relative;
    }
    .search-box--mobile .search-box__submit.is-loading::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 16px;
        height: 16px;
        border: 2px solid rgba(255,255,255,0.35);
        border-top-color: #fff;
        border-radius: 50%;
        animation: spin 0.7s linear infinite;
    }
    .now-playing-player,
    .full-player,
    .player-backdrop {
        z-index: 1000;
    }
}

/* ===== Cover Stage (page-player, preserved) ===== */
.visualizer-area {
    position: relative;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
}
.visualizer-stage {
    position: relative;
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1 / 1;
    border-radius: var(--s-radius-lg);
    overflow: hidden;
    background: color-mix(in srgb, var(--c-primary) 15%, transparent);
    box-shadow: var(--c-shadow);
}
.visualizer-stage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.visualizer-stage img.is-placeholder {
    display: none;
}
.visualizer-stage:has(img.is-placeholder)::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-image: var(--c-cover-fallback);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* ===== Full Player ===== */
.player-backdrop {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: color-mix(in srgb, var(--c-bg) 55%, transparent);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.player-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
}

@keyframes panel-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}
@keyframes panel-slide-down {
    from { transform: translateY(0); }
    to { transform: translateY(100%); }
}

.full-player {
    position: fixed;
    inset: 0;
    display: none;
    flex-direction: column;
    background: var(--c-bg);
    z-index: 1000;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    overflow: hidden;
}
.full-player.is-open {
    display: flex;
}
@media (min-width: 768px) {
    .full-player {
        left: 50%;
        top: 50%;
        right: auto;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: 480px;
        max-width: 720px;
        height: 95vh;
        max-height: 95vh;
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }
    .full-player .full-page {
        overflow-y: auto;
    }
}

.full-topbar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px var(--s-gap-md) 4px;
    position: relative;
    z-index: 10;
}
.full-topbar .dots {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.full-footer {
    flex: 0 0 auto;
    padding: 4px var(--s-gap-md) calc(4px + env(safe-area-inset-bottom));
    font-size: var(--fs-sm);
    color: var(--c-text-3);
    text-align: center;
}
.full-swipe {
    flex: 1 1 0%;
    min-height: 0;
    width: 100%;
    overflow: hidden;
    position: relative;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}
.full-swipe.dragging {
    cursor: grabbing;
}
.full-swipe-track {
    width: 300%;
    height: 100%;
    display: flex;
    transform: translateX(0%);
    will-change: transform;
}
.full-swipe-track.animating {
    transition: transform 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.full-page {
    width: 33.33%;
    flex: 0 0 33.33%;
    height: 100%;
    overflow-y: auto;
    touch-action: pan-y;
    overscroll-behavior-y: contain;
}

.page-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px var(--s-gap-md) 20px;
    gap: 10px;
    height: 100%;
}
.page-cover-wrap {
    width: 100%;
    max-width: 480px;
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 var(--s-gap-sm);
}
.zone-a,
.zone-b {
    flex: 0 0 18%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--s-radius-lg);
    align-self: stretch;
}
.zone-a.is-active,
.zone-b.is-active {
    background: color-mix(in srgb, var(--c-primary) 8%, transparent);
}
.full-meta-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 0 var(--s-gap-md);
    margin-top: 4px;
}
.full-meta-info .meta-title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--c-text);
    text-align: center;
    margin: 0;
    flex: 0 1 auto;
    max-width: 60%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.meta-title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--c-text);
    text-align: center;
}
.meta-like {
    width: 36px;
    height: 36px;
    font-size: var(--fs-3xl);
    border-radius: 50%;
}
.meta-like.is-liked {
    color: var(--c-like);
}
.mp-mobile-pp {
    display: none;
}
.meta-artist {
    font-size: var(--fs-lg);
    color: var(--c-text-2);
    text-align: center;
    margin-top: 2px;
}

.full-mode-bar {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 4px;
}
.control-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: calc(var(--s-gap-lg) + 8px);
    margin-top: 8px;
}
.control-btn {
    width: 48px;
    height: 48px;
    font-size: 22px;
    color: var(--c-text);
}
.control-btn--primary {
    width: 64px;
    height: 64px;
    font-size: 28px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.page-lyric {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}
.lyric-header {
    flex: 0 0 auto;
    padding: var(--s-gap-sm) var(--s-gap-md);
    text-align: center;
}
.lyric-header__title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--c-text);
    margin: 0;
}
.lyric-header__artist {
    font-size: var(--fs-lg);
    color: var(--c-text-2);
    margin-top: 4px;
}
.lyric-container {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    position: relative;
    padding: 30% var(--s-gap-md) 30%;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.lyric-container::-webkit-scrollbar {
    display: none;
}
.lyric-footer {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s-gap-sm) var(--s-gap-md) calc(var(--s-gap-sm) + env(safe-area-inset-bottom));
}
.lyric-pp {
    width: 56px;
    height: 56px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 22px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.page-playlist {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.playlist-header {
    flex: 0 0 auto;
    padding: var(--s-gap-sm) var(--s-gap-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.playlist-header__tabs {
    display: flex;
    align-items: center;
    gap: 4px;
}
.playlist-tab {
    padding: 6px 14px;
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--c-text-3);
    background: transparent;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s;
}
.playlist-tab:hover {
    color: var(--c-text);
    background: color-mix(in srgb, var(--c-primary) 8%, transparent);
}
.playlist-tab.is-active {
    color: var(--c-primary);
    background: color-mix(in srgb, var(--c-primary) 12%, transparent);
    font-weight: 600;
}
.playlist-header__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--c-text);
}
.playlist-header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.playlist-count {
    font-size: var(--fs-lg);
    color: var(--c-text-3);
    font-weight: 500;
}
.playlist-list {
    flex: 1 1 0%;
    min-height: 0;
    overflow-y: auto;
    padding: 0 var(--s-gap-md);
    scrollbar-width: thin;
    scrollbar-color: var(--c-text-3) transparent;
}
.playlist-list::-webkit-scrollbar {
    width: 4px;
}
.playlist-list::-webkit-scrollbar-track {
    background: transparent;
}
.playlist-list::-webkit-scrollbar-thumb {
    background: var(--c-text-3);
    border-radius: 2px;
}
.playlist-list::-webkit-scrollbar-thumb:hover {
    background: var(--c-text-2);
}
.page-playlist::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 30vh;
    pointer-events: auto;
    cursor: default;
    background: linear-gradient(to top, var(--c-bg, #f0f2f8) 25%, transparent 100%);
    z-index: 10;
}

.dots { display: inline-flex; align-items: center; gap: 5px; }
.dots__item {
    width: 5px; height: 5px;
    border-radius: var(--s-radius-xl);
    background: color-mix(in srgb, var(--c-text) 28%, transparent);
    transition: width 0.3s, background 0.3s;
    cursor: pointer;
}
.dots__item--active {
    width: 16px;
    background: var(--c-primary);
}

.progress {
    width: 100%;
    height: 4px;
    background: var(--c-border);
    border-radius: var(--s-radius-xl);
    position: relative;
    cursor: pointer;
}
.progress__fill {
    position: absolute; top: 0; left: 0;
    height: 100%;
    width: 0%;
    background: var(--c-primary);
    border-radius: var(--s-radius-xl);
    pointer-events: none;
}
.progress__thumb {
    position: absolute;
    top: 50%; left: 0%;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--c-primary);
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    pointer-events: none;
}
.progress__time {
    width: 100%;
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-sm);
    color: var(--c-text-3);
    margin-top: 6px;
}
.full-progress {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: var(--s-gap-sm) 0;
    padding: 0 var(--s-gap-md);
}
.full-progress .progress {
    height: 6px;
}

.version-text {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--c-text-3);
}

[data-theme="dark"] .sidebar__nav-item.is-active {
    background: var(--c-surface);
}
[data-theme="dark"] .sidebar {
    background: var(--c-surface-2);
    --c-tab-bg: var(--c-surface);
    --c-tab-bridge-bg: var(--c-surface-2);
}
@media (max-width: 768px) {
    [data-theme="dark"] .sidebar {
        background: #1f1f1f;
    }
}
[data-theme="dark"] .sidebar__logo {
    background: transparent;
    box-shadow: none;
}
[data-theme="dark"] .main-content {
    background-color: var(--c-surface);
}
[data-theme="dark"] .topbar {
    background-color: var(--c-surface);
    border-bottom-color: var(--c-border);
}
[data-theme="dark"] .search-box--top {
    background: #1a1a1a;
    border-color: #2a2a2a;
}
[data-theme="dark"] .search-box--top:focus-within {
    background: #1a1a1a;
    border-color: var(--c-primary);
}
[data-theme="dark"] .smartbox-panel {
    background: #1a1a1a;
    border-color: #2a2a2a;
    box-shadow: 0 12px 32px rgba(0,0,0,.4);
}
[data-theme="dark"] .smartbox-item:hover { background: #242424; }
[data-theme="dark"] .smartbox-item.is-active { background: color-mix(in srgb, var(--c-primary) 20%, #1a1a1a); }
[data-theme="dark"] .right-panel {
    background: var(--c-surface);
}
[data-theme="dark"] .playlist-detail-panel,
[data-theme="dark"] .radio-detail-panel {
    background: var(--c-surface);
}
[data-theme="dark"] .search-box--mobile:focus-within {
    background: #1a1a1a;
}
[data-theme="dark"] .progress__thumb {
    background: var(--c-surface-3);
}
/* ===== Official Playlists Grid ===== */
.official-playlists-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.op-card {
    cursor: pointer;
    transition: transform 0.2s ease;
    width: 100%;
    min-width: 0;
}
.op-card:hover {
    transform: translateY(-2px);
}
.op-card__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    min-width: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--c-surface-2);
}
.op-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
    transition: transform 0.3s ease;
}
.op-card:hover .op-card__cover img {
    transform: scale(1.05);
}
.op-card__fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--c-text-3);
}
.op-card__playcount {
    position: absolute;
    bottom: 6px;
    right: 6px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.55);
    border-radius: 4px;
    font-size: 11px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 2px;
    backdrop-filter: blur(4px);
}
.op-card__playcount i {
    font-size: 12px;
}
.op-card__body {
    margin-top: 6px;
    overflow: hidden;
    min-width: 0;
}
.op-card__name {
    font-size: 13px;
    font-weight: 500;
    color: var(--c-text);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.op-card__creator {
    font-size: 11px;
    color: var(--c-text-3);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.official-playlists-loading,
.official-playlists-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px;
    color: var(--c-text-3);
}

/* Responsive */
@media (max-width: 1200px) {
    .official-playlists-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}
@media (max-width: 900px) {
    .official-playlists-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 600px) {
    .official-playlists-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

/* ===== Unified Card Grid Base (全站 grid/card 宽度约束) ===== */
.fav-singer-grid,
.fav-mv-grid,
.fav-album-grid,
.playlist-grid,
.page .playlist-grid,
.singer-grid,
.mv-grid,
.search-albums,
.album-grid,
.page--fm .fm-radio-grid {
    width: 100%;
    min-width: 0;
}
.fav-singer-card,
.fav-mv-card,
.fav-album-card,
.playlist-card,
.singer-grid > .sk-card,
.mv-card,
.album-card,
.fm-radio-card {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

/* ===== Unified Card Grid Responsive (全站统一 6→5→4→3 列) ===== */
@media (max-width: 1200px) {
    .page--fm .fm-radio-grid,
    .fav-singer-grid,
    .fav-mv-grid,
    .fav-album-grid,
    .singer-grid,
    .mv-grid,
    .search-albums,
    .playlist-grid,
    .page .playlist-grid,
    .album-grid,
    .card-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}
@media (max-width: 900px) {
    .page--fm .fm-radio-grid,
    .fav-singer-grid,
    .fav-mv-grid,
    .fav-album-grid,
    .singer-grid,
    .mv-grid,
    .search-albums,
    .playlist-grid,
    .page .playlist-grid,
    .album-grid,
    .card-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 600px) {
    .page--fm .fm-radio-grid,
    .fav-singer-grid,
    .fav-mv-grid,
    .fav-album-grid,
    .singer-grid,
    .mv-grid,
    .search-albums,
    .playlist-grid,
    .page .playlist-grid,
    .album-grid,
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--s-gap-sm);
    }
    .page--settings .settings-item {
        flex-wrap: wrap;
    }
    .page--settings .settings-item > .settings-item__info {
        flex: 1 1 100%;
        margin-bottom: 10px;
    }
    .page--settings .settings-item > .login-area,
    .page--settings .settings-item > .theme-mode-group,
    .page--settings .settings-item > .btn {
        flex: 1 1 100%;
    }
    .page--settings .settings-item > .login-area > .btn {
        flex: 1;
    }
}

/* ===== Mobile: Singer/Album Detail Panels (overlay fix) ===== */
@media (max-width: 768px) {
    .app-layout .singer-detail:not(.u-hidden) {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 660;
        flex-direction: column;
        flex: none;
        padding: 12px;
        padding-bottom: 0;
        overflow: hidden;
        box-sizing: border-box;
        border-radius: 16px 16px 0 0;
        animation: panel-slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .app-layout .singer-detail:not(.u-hidden).is-closing {
        animation: panel-slide-down 0.25s ease-in forwards;
    }
    .app-layout .singer-detail:not(.u-hidden) .singer-detail__content {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
        box-sizing: border-box;
    }
    .app-layout .album-detail:not(.u-hidden) {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 660;
        flex-direction: column;
        flex: none;
        padding: 12px;
        padding-bottom: 0;
        overflow: hidden;
        box-sizing: border-box;
        border-radius: 16px 16px 0 0;
        animation: panel-slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .app-layout .album-detail:not(.u-hidden).is-closing {
        animation: panel-slide-down 0.25s ease-in forwards;
    }
    .app-layout .album-detail:not(.u-hidden) .album-detail__content,
    .app-layout .album-detail:not(.u-hidden) .song-list {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
        box-sizing: border-box;
    }
}

.pcats-filter {
    background: var(--c-bg-2);
    border-radius: 14px;
    padding: 14px 18px 6px;
    margin-bottom: 16px;
}
.pcats-filter-group {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px dashed var(--c-border);
}
.pcats-filter-group:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}
.pcats-filter-group__name {
    flex-shrink: 0;
    width: 60px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text-1);
    padding-top: 6px;
    margin-left: -18px;
}
.pcats-filter-group__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}
.pcats-tag {
    padding: 6px 14px;
    border: 1px solid var(--c-border);
    border-radius: 16px;
    background: transparent;
    color: var(--c-text-2);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.18s ease;
    line-height: 1;
}
.pcats-tag:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
}
.pcats-tag.is-active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}
.pcats-tag--hidden {
    display: none;
}
.pcats-tag--expand {
    padding: 6px 10px;
    font-size: 12px;
    color: var(--c-text-3);
    display: inline-flex;
    align-items: center;
    gap: 2px;
}
.pcats-tag--expand i {
    font-size: 11px;
}

.pcats-sticky-top {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--c-surface);
    padding-bottom: 8px;
}
.pcats-sticky-top .page__section-header {
    margin-bottom: clamp(6px, 1vh, 14px);
}

.pcats-main {
    min-height: 300px;
}
.pcats-bubbles {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: rgba(var(--c-primary-rgb, 59,130,246), 0.06);
    border-radius: 12px;
}
.pcats-bubbles__label {
    font-size: 13px;
    color: var(--c-text-2);
    margin-right: 4px;
}
.pcats-bubble {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border: 1px solid var(--c-primary);
    border-radius: 14px;
    background: #fff;
    color: var(--c-primary);
    font-size: 13px;
    cursor: pointer;
    line-height: 1.4;
    gap: 2px;
}
.pcats-bubble__close {
    font-size: 11px;
    opacity: 0.7;
    margin-left: 2px;
}
.pcats-bubble:hover .pcats-bubble__close {
    opacity: 1;
}
.pcats-clear {
    margin-left: auto;
    font-size: 12px;
    color: var(--c-text-3);
    cursor: pointer;
    padding: 4px 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.pcats-clear:hover {
    color: var(--c-primary);
}
.pcats-sort-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.pcats-sort-row__title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 18px;
    font-weight: 700;
    color: var(--c-text-1);
    margin: 0;
    line-height: 1.3;
}
.pcats-sort-row__title i {
    font-size: 18px;
    color: var(--c-primary);
}
.pcats-sort-row__title-num {
    font-size: 13px;
    font-weight: 400;
    color: var(--c-text-3);
    margin-left: 2px;
}
.pcats-sort {
    display: flex;
    gap: 4px;
}
.pcats-sort-btn {
    padding: 6px 16px;
    border: 1px solid var(--c-border);
    border-radius: 16px;
    background: transparent;
    color: var(--c-text-2);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.18s;
}
.pcats-sort-btn:hover {
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.pcats-sort-btn.is-active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}

.pcats-load-more {
    display: flex;
    justify-content: center;
    padding: 24px 0 40px;
}
.pcats-load-more__btn {
    padding: 10px 32px;
    border: 1px solid var(--c-border);
    border-radius: 20px;
    background: transparent;
    color: var(--c-text-2);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.18s;
}
.pcats-load-more__btn:hover {
    color: var(--c-primary);
    border-color: var(--c-primary);
}

.pcats-empty {
    text-align: center;
    padding: 30px 20px 10px;
    position: relative;
}
.pcats-empty__bg {
    width: 240px;
    height: 240px;
    margin: 0 auto 12px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.9;
}
.pcats-empty__content {
    position: relative;
}
.pcats-empty__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--c-text-1);
    margin: 0 0 8px;
}
.pcats-empty__desc {
    font-size: 13px;
    color: var(--c-text-3);
    margin: 0 0 22px;
    line-height: 1.8;
}
.pcats-empty__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 30px;
    border: none;
    border-radius: 22px;
    background: var(--c-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}
.pcats-empty__btn i {
    font-size: 14px;
}
.pcats-empty__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(var(--c-primary-rgb,59,130,246), 0.3);
}

.pcats-recommend {
    margin-top: 36px;
}
.pcats-recommend__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.pcats-recommend__header-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text-1);
    margin: 0;
}
.pcats-recommend__header-title i {
    color: var(--c-primary);
    font-size: 16px;
}
.pcats-recommend__refresh {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--c-text-3);
    font-size: 12px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.15s;
}
.pcats-recommend__refresh:hover {
    color: var(--c-primary);
    background: rgba(var(--c-primary-rgb, 59,130,246), 0.06);
}
.pcats-recommend-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.pcats-rec-card {
    position: relative;
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
}
.pcats-rec-card:hover {
    border-color: var(--c-primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.pcats-rec-card__cover {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, rgba(var(--c-primary-rgb,59,130,246),0.15), rgba(var(--c-primary-rgb,59,130,246),0.05));
    display: flex;
    align-items: center;
    justify-content: center;
}
.pcats-rec-card__cover i {
    font-size: 32px;
    color: rgba(var(--c-primary-rgb,59,130,246),0.5);
}
.pcats-rec-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.pcats-rec-card__body {
    padding: 10px 12px 12px;
}
.pcats-rec-card__name {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text-1);
    margin-bottom: 4px;
}
.pcats-rec-card__sub {
    font-size: 12px;
    color: var(--c-text-3);
}

@media (max-width: 768px) {
    .pcats-recommend-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pcats-filter-group__name {
        width: 44px;
        font-size: 12px;
    }
    .pcats-sort-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}