:root {
        --container: 1200px;
        --ink-900: #0C111D;
        --ink-800: #121B29;
        --ink-700: #2C323C;
        --gray-900: #101828;
        --gray-700: #344054;
        --amber-500: #F5BE01;
        --amber-300: #FFDF72;
        --shadow: 0 .75rem 2rem rgba(0, 0, 0, .08);
    }

    /* container util — konsisten dengan tema */
    .bx-container {
        max-width: var(--container);
        margin-inline: auto;
        padding-inline: clamp(16px, 5vw, 40px);
    }

    .e-footer {
        border-top: 1px solid rgba(2, 6, 23, .08);
        padding: 14px 0 24px;
        background: #fff;
    }

    .e-footer p {
        margin: 0;
        text-align: center;
        font-size: 14px;
        color: #667085;
    }

    .e-footer a {
        color: #0C111D;
        text-decoration: underline;
    }

    .e-footer a:hover {
        color: #101828;
        opacity: .9;
    }

    /* ===== ERROR 404 WRAP ===== */
    #error-404 {
        min-height: 100vh;
        display: grid;
        align-items: center;
        background:
            radial-gradient(1200px 600px at 100% -50%, #FFF6E5 20%, transparent 60%) no-repeat,
            #fff;
        color: var(--gray-900);
    }

    .e-wrap {
        background: #fff;
        border: 1px solid rgba(2, 6, 23, .06);
        border-radius: 24px;
        padding: clamp(20px, 5vw, 40px);
        margin: clamp(16px, 4vw, 40px) 0;
        box-shadow: var(--shadow);
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .e-wrap::after {
        content: "";
        position: absolute;
        inset: -1px -1px auto auto;
        width: 220px;
        height: 220px;
        background: radial-gradient(closest-side, rgba(245, 190, 1, .18), transparent 70%);
        filter: blur(12px);
        pointer-events: none;
    }

    .e-badge {
        display: inline-block;
        background: #FFF2C2;
        border: 1px solid #FFE7AC;
        color: #9A7A00;
        font-weight: 800;
        font-size: 12px;
        letter-spacing: .02em;
        padding: 6px 10px;
        border-radius: 999px;
        margin-bottom: 12px;
    }

    .e-title {
        margin: 0 0 8px;
        font-weight: 900;
        letter-spacing: -.02em;
        font-size: clamp(22px, 2.2vw + .8rem, 34px);
        line-height: 1.1;
    }

    .e-404 {
        display: block;
        font-size: clamp(64px, 10vw, 140px);
        line-height: .9;
        letter-spacing: -.03em;
        background: linear-gradient(to bottom, var(--amber-500), var(--amber-300));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 6px;
        text-shadow: 0 2px 0 rgba(0, 0, 0, .03);
    }

    .e-lead {
        color: var(--gray-700);
        margin: 8px auto 16px;
        max-width: 680px;
        font-size: clamp(14.5px, .6vw + .85rem, 16px);
    }

    /* ===== Search ===== */
    .e-search {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 10px;
        max-width: 720px;
        margin: 10px auto 14px;
    }

    .e-input {
        display: flex;
        align-items: center;
        gap: 8px;
        background: #fff;
        border: 1px solid rgba(2, 6, 23, .08);
        border-radius: 12px;
        padding: 10px 12px;
    }

    .e-input svg {
        width: 20px;
        height: 20px;
        color: #667085;
    }

    .e-input input {
        border: 0;
        outline: 0;
        width: 100%;
        font-size: 15px;
        color: #0C111D;
        background: transparent;
    }

    /* ===== Buttons (mini util, selaras tema) ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        height: 44px;
        padding: 0 16px;
        border-radius: 10px;
        font-weight: 700;
        text-decoration: none;
        border: 1px solid var(--amber-500);
        color: #111;
        background-image: linear-gradient(to bottom, var(--amber-500), var(--amber-300));
        box-shadow: 0 1px 0 rgba(0, 0, 0, .03), 0 1px 2px rgba(0, 0, 0, .06);
        transition: all .2s ease;
    }

    .btn:hover {
        color: #fff;
        border-color: transparent;
        background-image: linear-gradient(to bottom, var(--ink-800), var(--ink-700));
        transform: translateY(-1px);
    }

    .btn:active {
        transform: none;
    }

    .btn--amber {
        /* khusus tombol Cari di search */
        border-color: var(--amber-500);
        background-image: linear-gradient(to bottom, var(--amber-500), var(--amber-300));
        color: #111;
    }

    .btn--dark {
        border-color: transparent;
        background-image: linear-gradient(to bottom, var(--ink-800), var(--ink-700));
        color: #fff;
    }

    .btn--ghost {
        background: #fff;
        border: 1px solid rgba(2, 6, 23, .12);
        color: var(--gray-900);
    }

    .btn--ghost:hover {
        background: #F8FAFC;
        color: #0C111D;
        transform: none;
        border-color: rgba(2, 6, 23, .2);
    }

    .e-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin: 14px 0 6px;
    }

    /* quick links */
    .e-quick {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-top: 8px;
    }

    .e-quick a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
        border-radius: 10px;
        background: #0C111D;
        color: #fff;
        text-decoration: none;
        border: 1px solid rgba(255, 255, 255, .06);
        transition: transform .15s ease, box-shadow .25s ease, opacity .2s ease;
    }

    .e-quick a:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 28px rgba(0, 0, 0, .18);
    }

    @media (max-width: 480px) {
        .e-search {
            grid-template-columns: 1fr;
        }
    }