    :root {
        --nav-bg: #ffffff;
        --nav-text: #606468;
        --nav-btn-bg: #3060FF; /* Geesick Blue */
        --nav-btn-hover: #224DDB;
        --nav-active-bg: #3060ff14;
        --nav-active-text: #3060FF;
        --nav-item-hover: #3060ff14;
    }
    * {
        box-sizing: border-box;
        -webkit-tap-highlight-color: transparent;
    }
    body, html {
        margin: 0;
        padding: 0;
        background-color: rgba(247, 247, 247, 1);
        color: #4a4a4a;
        font-family: 'Google Sans', system-ui, -apple-system, sans-serif;
        min-height: 100vh;
        overflow-x: hidden;
    }
    .content-container {
        margin-top: 100px;
        padding: 0 12px;
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        box-sizing: border-box;
    }
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
        .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: rgb(255, 255, 255);
        color: #4a4a4a;
        border-radius: 16px;
        padding: 3px 12px 3px 4px;
        font-size: 12px;
        font-weight: 500;
        width: max-content;
        box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
    }
    .badge svg {
        width: 12px;
        height: 12px;
    }

    .list2 {
        display: flex;
        flex-direction: column;
        gap: 8px; 
    }
    .songs-row {
        display: flex;
        min-width: 0;
    }
    .item {
        background-color: rgb(247 247 247) ;
        border-radius: 20px;
        text-decoration: none;
        color: inherit;
        display: flex;
        align-items: center;
        padding: 7px 7px;
        gap: 12px;
        flex-grow: 1;
        min-width: 0;
    }
    .song-icon {
        width: 40px;
        height: 40px;
        background-color: #ffffff;
        color: #4a4a4a;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .song-icon svg {
        width: 18px;
        height: 18px;
        stroke-width: 2px;
    }
    .song-info {
        flex: 1 1 0;
        min-width: 0;
        width: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
    }
    .song-info h3 {
        margin: 0;
        font-size: 14px;
        font-weight: 600;
        color: #4a4a4a;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    .song-info p {
        margin: 0;
        font-size: 13px;
        color: #777;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: #ffffff;
        box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
        color: #4a4a4a;
        border-radius: 16px;
        padding: 3px 12px 3px 4px;
        font-size: 12px;
        font-weight: 500;
        height: max-content;
        flex-shrink: 0;
        white-space: nowrap;
    }
    .badge svg {
        width: 12px;
        height: 12px;
        color: inherit;
    }
        .songs-wrapper {
        background-color: var(--nav-bg);
        border-radius: 30px;
        box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
        margin: 12px auto 16px;
        width: calc(100% - 12px);
        max-width: 1000px;
        padding: 12px;
        box-sizing: border-box;
    }
    .container-header {
        background-color: #3060FF;
        color: white;
        border-radius: 20px;
        padding: 12px 18px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 14px;
    }
    .container-header h2 {
        margin: 0;
        font-size: 17px;
        font-weight: 500;
        line-height: 1;
    }
    .see-all-btn {
        color: white;
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 13px;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        border: 2px solid rgba(255, 255, 255, 0.1);
        transition: background-color 0.2s;
    }
    .see-all-btn:hover {
        background-color: rgba(0, 0, 0, 0.045);
    }
    .see-all-btn svg {
        width: 14px;
        height: 14px;
    }
    .songs-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .songs-row {
        display: flex;
        gap: 12px;
        align-items: stretch;
    }
        /* Placeholder / Coming Soon Styles */
    .placeholder-page-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 60vh;
        text-align: center;
        padding: 40px 20px;
    }
    .placeholder-icon {
        width: 80px;
        height: 80px;
        color: var(--nav-btn-bg);
        margin-bottom: 24px;
        animation: placeholder-bounce 2s infinite ease-in-out;
    }
    .placeholder-title {
        font-size: 24px;
        font-weight: 700;
        color: #2D3748;
        margin-bottom: 12px;
    }
    .placeholder-text {
        font-size: 16px;
        color: #718096;
        max-width: 450px;
        line-height: 1.6;
    }
    @keyframes placeholder-bounce {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }

    @media (min-width: 900px) {
        .songs-list, .list2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
    }

    /* ================================================================
       ERROR PAGES (403, 404, 500)
       ================================================================ */
    .error-page-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 65vh;
        text-align: center;
        padding: 60px 24px;
        background: #fff;
        border-radius: 30px;
        margin: 24px auto;
        max-width: 800px;
        box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.05);
    }

    .error-icon-container {
        width: 100px;
        height: 100px;
        background: var(--nav-active-bg, #E1E8FA);
        color: var(--nav-btn-bg, #3060FF);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 32px;
        position: relative;
    }

    .error-icon-container svg {
        width: 48px;
        height: 48px;
        stroke-width: 2.5px;
    }

    .error-code-badge {
        position: absolute;
        top: -10px;
        right: -10px;
        background: #FF4D4D;
        color: #fff;
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: 700;
        box-shadow: 0 4px 8px rgba(255, 77, 77, 0.3);
    }

    .error-title {
        font-size: 2.8rem;
        font-weight: 800;
        color: #1a1a1a;
        margin-bottom: 16px;
        letter-spacing: -1px;
    }

    .error-message {
        font-size: 1.15rem;
        color: #666;
        max-width: 460px;
        margin-bottom: 40px;
        line-height: 1.6;
    }

    .error-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .btn-error {
        padding: 14px 36px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .btn-error-primary {
        background: var(--nav-btn-bg, #3060FF);
        color: #fff;
    }

    .btn-error-primary:hover {
        background: var(--nav-btn-hover, #224DDB);
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(48, 96, 255, 0.3);
    }

    .btn-error-secondary {
        background: #f1f3f5;
        color: #495057;
    }

    .btn-error-secondary:hover {
        background: #e9ecef;
        transform: translateY(-3px);
    }

    @media (max-width: 600px) {
        .error-title {
            font-size: 2.2rem;
        }
        .error-page-wrapper {
            padding: 40px 16px;
            margin: 16px;
        }
    }

    /* Global Animations */
    .spin {
        animation: geesick-spin 1s linear infinite;
    }
    @keyframes geesick-spin {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }