:root {
    --song-v2-brand: #1d4ed8;
    --song-v2-brand-strong: #0f172a;
    --song-v2-brand-soft: #dbeafe;
    --song-v2-accent: #0ea5e9;
    --song-v2-surface: #f8fafc;
    --song-v2-surface-strong: #ffffff;
    --song-v2-surface-muted: #eef6ff;
    --song-v2-border: rgba(148, 163, 184, 0.24);
    --song-v2-shadow: rgba(15, 23, 42, 0.08);
    --song-v2-text: #0f172a;
    --song-v2-text-soft: #475569;
    --song-v2-text-muted: #64748b;
}

.song-v2-shell {
    position: relative;
    border: 1px solid var(--song-v2-border);
    border-radius: 22px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--song-v2-surface-strong) 0%, var(--song-v2-surface) 100%);
    box-shadow: 0 22px 50px var(--song-v2-shadow);
}

.song-v2-shell,
.song-v2-header,
.song-v2-why-item,
.song-v2-reco-item,
.song-v2-editorial-panel,
.song-v2-meta-box,
.song-v2-panel {
    transition: all 0.2s ease;
}

.song-v2-shell::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.05), transparent 32%, rgba(14, 165, 233, 0.04));
    pointer-events: none;
}

.song-v2-header {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, #020817 0%, var(--song-v2-brand-strong) 28%, #1f2937 100%);
    color: #fff;
    padding: 1.2rem 1.35rem;
}

.song-v2-header h1 {
    font-size: clamp(1.8rem, 2.2vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.04em;
    font-weight: 800;
}

.song-v2-subtitle {
    margin-top: 0.45rem;
    color: rgba(255, 255, 255, 0.73);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    line-height: 1.5;
}

.song-v2-body {
    position: relative;
    z-index: 1;
    padding: 1.5rem;
}

.song-v2-body .col-xl-8 > div,
.song-v2-body .col-xl-4 > aside {
    margin-bottom: 0.35rem;
}

.song-v2-meta-box,
.song-v2-panel {
    background: linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(248,250,252,0.98) 100%);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 14px;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.04);
}

.song-v2-meta-box {
    padding: 1.1rem 1.05rem 1rem;
    border-left: 4px solid rgba(29, 78, 216, 0.24);
    background: linear-gradient(135deg, rgba(219,234,254,0.22) 0%, rgba(255,255,255,0.96) 40%, rgba(248,250,252,1) 100%);
}

.song-v2-meta-box .row {
    row-gap: 1rem;
}

.song-v2-panel {
    padding: 1rem;
    border-top: 3px solid rgba(29, 78, 216, 0.2);
}

.song-v2-label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 10.75px;
    font-weight: 800;
    color: var(--song-v2-text-muted);
    margin-bottom: 0.45rem;
}

.song-v2-meta-box .fw-semibold {
    font-size: 1rem;
    line-height: 1.4;
    color: var(--song-v2-text);
}

.song-v2-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.42rem 0.85rem;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    background: rgba(15, 23, 42, 0.38);
    border: 1px solid rgba(255, 255, 255, 0.26);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.song-v2-artist-link {
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.song-v2-artist-link:hover {
    text-decoration: none;
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 10px 18px rgba(15, 23, 42, 0.14);
    transform: translateY(-1px);
    color: #fff;
}

.song-v2-share-header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.56rem 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.02em;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 12px 20px rgba(15, 23, 42, 0.12);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.song-v2-share-header-btn i {
    font-size: 0.75rem;
}

.song-v2-share-header-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 16px 24px rgba(15, 23, 42, 0.18);
    color: #fff;
}

.song-v2-actions {
    align-items: center;
    gap: 0.6rem;
    margin-left: auto;
}

.song-v2-journey-cta-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.9rem;
    flex-wrap: wrap;
    padding: 0.95rem 1.2rem 0;
    margin-top: -0.2rem;
}

.song-v2-journey-launch-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.78rem 1rem;
    border: 1px solid rgba(191, 219, 254, 0.5);
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.98) 0%, rgba(14, 165, 233, 0.96) 100%);
    color: #fff;
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 18px 32px rgba(29, 78, 216, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, border-color 0.2s ease;
}

.song-v2-journey-launch-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 34px rgba(29, 78, 216, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.22);
    filter: brightness(1.04);
    border-color: rgba(224, 242, 254, 0.9);
}

.song-v2-journey-btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
    text-align: left;
}

.song-v2-journey-main {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    line-height: 1.2;
}

.song-v2-journey-subtext {
    display: block;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.6rem;
    line-height: 1.2;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 700;
}

.song-v2-journey-launch-btn i {
    font-size: 1.15rem;
}

.song-v2-journey-main i {
    font-size: 1.2rem;
}

@media (max-width: 575.98px) {
    .song-v2-journey-cta-wrap {
        padding: 0.8rem 0.8rem 0;
        justify-content: stretch;
    }

    .song-v2-journey-launch-btn {
        width: 100%;
        justify-content: flex-start;
        padding: 0.9rem 0.95rem;
        border-radius: 16px;
        min-height: 70px;
        box-shadow: 0 20px 36px rgba(29, 78, 216, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    }

    .song-v2-journey-btn-content {
        width: 100%;
        gap: 0.22rem;
    }

    .song-v2-journey-main {
        width: 100%;
        justify-content: flex-start;
        font-size: 1rem;
    }

    .song-v2-journey-subtext {
        font-size: 0.56rem;
        letter-spacing: 0.05em;
        line-height: 1.3;
    }
}

.song-v2-reco-list {
    display: grid;
    gap: 0.85rem;
}

.song-v2-reco-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0.85rem;
    background: linear-gradient(180deg, var(--song-v2-surface-strong) 0%, var(--song-v2-surface) 100%);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 14px;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.song-v2-reco-item:hover {
    background: linear-gradient(180deg, var(--song-v2-surface-strong) 0%, var(--song-v2-surface-muted) 100%);
    border-color: rgba(29, 78, 216, 0.35);
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(29, 78, 216, 0.08);
}

.song-v2-reco-list {
    display: grid;
    gap: 0.72rem;
}

.song-v2-reco-thumb {
    width: 112px;
    height: 80px;
    border-radius: 12px;
    object-fit: cover;
    background: #e2e8f0;
    border: 1px solid rgba(148, 163, 184, 0.18);
    flex-shrink: 0;
}

.song-v2-reco-body {
    min-width: 0;
}

.song-v2-reco-type {
    display: inline-block;
    margin-bottom: 0.28rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--song-v2-brand);
    font-weight: 800;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.song-v2-reco-title {
    display: block;
    font-weight: 700;
    line-height: 1.4;
    color: var(--song-v2-text);
    margin-bottom: 0.3rem;
}

.song-v2-reco-reason {
    display: block;
    color: var(--song-v2-text-soft);
    font-size: 0.85rem;
    line-height: 1.55;
}

.song-v2-why-box {
    background: linear-gradient(180deg, var(--song-v2-surface-strong) 0%, var(--song-v2-surface) 100%);
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 14px;
    padding: 1rem;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.04);
}

.song-v2-editorial-panel {
    position: relative;
    background: linear-gradient(180deg, var(--song-v2-surface-strong) 0%, var(--song-v2-surface) 100%);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 18px;
    padding: 1rem 1rem 0.9rem;
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.05);
    height: 100%;
    border-top: 4px solid rgba(29, 78, 216, 0.18);
}

.song-v2-editorial-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--song-v2-brand) 0%, var(--song-v2-accent) 100%);
}

.song-v2-editorial-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.8rem;
    margin-bottom: 0.9rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.song-v2-side-card {
    display: grid;
    gap: 0.75rem;
    padding: 0.9rem 0.9rem 0.1rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(248,250,252,0.98) 100%);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.03);
}

.song-v2-side-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.song-v2-side-card-header strong {
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--song-v2-text);
}

.song-v2-side-card-body {
    padding-bottom: 0.7rem;
}

.song-v2-side-card-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.58rem;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--song-v2-brand);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.song-v2-editorial-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--song-v2-brand);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.song-v2-panel-intro {
    padding: 0.95rem 1rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08) 0%, rgba(14, 165, 233, 0.04) 55%, rgba(255,255,255,0.96) 100%);
    border: 1px solid rgba(29, 78, 216, 0.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), 0 10px 22px rgba(29, 78, 216, 0.04);
    margin-bottom: 0.9rem;
}

.song-v2-kicker {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--song-v2-brand);
    margin-bottom: 0.35rem;
}

.song-v2-panel-intro p {
    margin: 0;
    color: var(--song-v2-text-soft);
    line-height: 1.72;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.song-v2-panel-intro small {
    color: var(--song-v2-text-muted);
    letter-spacing: 0.04em;
}

.song-v2-section-header {
    display: block;
    margin: 0 0 0.75rem 0;
    color: var(--song-v2-text);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 800;
}

.song-v2-section-header--reco {
    margin-top: 0.35rem;
    color: var(--song-v2-brand);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.song-v2-section-header--reco::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--song-v2-brand) 0%, var(--song-v2-accent) 100%);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.song-v2-why-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
    display: grid;
    gap: 0.8rem;
}

.song-v2-dna-box {
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(239,246,255,0.9) 0%, rgba(255,255,255,1) 100%);
    padding: 0.95rem 0.95rem 0.6rem;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 12px 22px rgba(29, 78, 216, 0.04);
}

.song-v2-dna-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.song-v2-dna-grid {
    display: grid;
    gap: 0.7rem;
}

.song-v2-dna-row {
    display: grid;
    gap: 0.2rem;
}

.song-v2-dna-label {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--song-v2-text-muted);
    font-weight: 800;
}

.song-v2-dna-value {
    font-size: 0.72rem;
    color: var(--song-v2-brand);
    font-weight: 800;
}

.song-v2-dna-bar {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.18);
    overflow: hidden;
}

.song-v2-dna-bar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #1d4ed8 0%, #0ea5e9 100%);
}

.song-v2-share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    border: 0;
    border-radius: 14px;
    padding: 0.82rem 1rem;
    background: linear-gradient(135deg, #1d4ed8 0%, #0ea5e9 100%);
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 14px 26px rgba(29, 78, 216, 0.2);
    border: 1px solid rgba(255,255,255,0.15);
}

.song-v2-share-button:hover {
    filter: brightness(1.04);
}

.song-v2-journey {
    display: grid;
    gap: 0.8rem;
    padding-top: 0.2rem;
}

.song-v2-journey-group {
    display: grid;
    gap: 0.5rem;
    padding-top: 0.1rem;
}

.song-v2-journey-header {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.72rem 0.8rem;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.96) 0%, rgba(241, 245, 249, 0.94) 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-left: 3px solid rgba(29, 78, 216, 0.32);
    border-radius: 12px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.85);
}

.song-v2-journey-step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.8rem 0.85rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(241,245,249,0.96) 100%);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 14px;
    box-shadow: 0 12px 20px rgba(15, 23, 42, 0.04);
}

.song-v2-journey-step:hover {
    border-color: rgba(29, 78, 216, 0.28);
    box-shadow: 0 12px 20px rgba(29, 78, 216, 0.08);
}

.song-v2-journey-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1d4ed8 0%, #0ea5e9 100%);
    color: #fff;
    font-weight: 800;
    font-size: 0.7rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.song-v2-journey-thumb {
    width: 62px;
    height: 62px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: #e2e8f0;
    flex-shrink: 0;
}

.song-v2-journey-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 0.18rem;
}

.song-v2-journey-label {
    display: inline-block;
    font-size: 0.63rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--song-v2-brand);
}

.song-v2-journey-body strong {
    color: var(--song-v2-text);
    font-size: 0.91rem;
    line-height: 1.32;
    letter-spacing: -0.01em;
    font-weight: 700;
}

.song-v2-journey-body small {
    color: var(--song-v2-text-soft);
    line-height: 1.55;
    font-size: 0.74rem;
    letter-spacing: -0.01em;
}

.song-v2-journey-header .song-v2-journey-body {
    gap: 0.15rem;
}

.song-v2-journey-header .song-v2-journey-body strong {
    display: none;
}

.song-v2-journey-header .song-v2-journey-body small {
    font-size: 0.72rem;
    opacity: 0.85;
}

.song-v2-why-item {
    position: relative;
    padding-left: 1.15rem;
    color: #334155;
    line-height: 1.7;
    font-size: 0.94rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.song-v2-why-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--song-v2-brand) 0%, var(--song-v2-accent) 100%);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
}

.song-v2-editorial-subtitle {
    display: block;
    margin: 0 0 0.75rem 0;
    color: #334155;
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.song-v2-journey-step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 0.5rem 0.25rem 0.2rem;
}

.song-v2-journey-step .song-v2-journey-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.song-v2-journey-step .song-v2-journey-label {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.2;
}

.song-v2-journey-step small {
    line-height: 1.4;
    color: rgba(31, 41, 55, 0.78);
}

.song-v2-reco-item {
    transition: all 0.2s ease;
    border-radius: 12px;
    border: 1px solid transparent;
}

.song-v2-reco-item.is-selected {
    border-color: rgba(29, 140, 248, 0.85);
    background: linear-gradient(180deg, rgba(29, 140, 248, 0.12), rgba(29, 140, 248, 0.04));
    box-shadow: 0 0 0 1px rgba(29, 140, 248, 0.2), 0 10px 20px rgba(29, 140, 248, 0.08);
    transform: translateY(-1px);
}

.song-v2-reco-item.is-selected .song-v2-reco-title {
    color: #0d6efd;
    font-weight: 700;
}

.song-v2-reco-item.is-selected .song-v2-reco-thumb {
    box-shadow: 0 0 0 2px rgba(29, 140, 248, 0.16);
}

@media (max-width: 767.98px) {
    .song-v2-shell {
        border-radius: 18px;
    }

    .song-v2-header {
        padding: 0.9rem 1rem;
    }

    .song-v2-header h1 {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .song-v2-subtitle {
        font-size: 0.76rem;
    }

    .song-v2-body {
        padding: 1rem;
    }

    .song-v2-body .col-xl-8 > div,
    .song-v2-body .col-xl-4 > aside {
        margin-bottom: 0.5rem;
    }

    .song-v2-meta-box,
    .song-v2-panel,
    .song-v2-editorial-panel {
        border-radius: 12px;
    }

    .song-v2-actions {
        width: 100%;
        justify-content: space-between;
    }

    .song-v2-reco-item {
        align-items: flex-start;
        gap: 0.7rem;
    }

    .song-v2-reco-thumb {
        width: 92px;
        height: 68px;
    }

    .song-v2-reco-title,
    .song-v2-reco-reason {
        font-size: 0.82rem;
    }

    .song-v2-panel-intro,
    .song-v2-editorial-header {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}