body {
    background: radial-gradient(circle at top,#0f1c2e,#05070d);
    color: #fff;
    padding-bottom:85px;
}

.card-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
        padding-bottom: 280px;
}

.luxury-card {
    background: linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
    border-radius: 20px;
    padding: 40px;
    max-width: 520px;
    width: 100%;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0,0,0,.6);
    border: 1px solid rgba(255,215,160,.2);
    background-color:#3c3c3c;
}
#errorText {
    color:red;
}
/* 3D */
.card-3d-wrapper {
    perspective: 1200px;
    margin-bottom: 30px
}

.card-3d {
    height: 190px;
    border-radius: 16px;
    position: relative;
    transform-style: preserve-3d;
    transition: .2s;
    cursor: pointer
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    padding: 20px;
    backface-visibility: hidden
}

.front {
    background: linear-gradient(135deg,#1b2a44,#0a0f1f);
    border: 1px solid rgba(212,169,90,.3)
}

.back {
    background: #111;
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #aaa
}

.card-3d.flipped {
    transform: rotateY(180deg)
}

.card-chip {
    width: 40px;
    height: 28px;
    border-radius: 6px;
    background: linear-gradient(135deg,#d4a95a,#f5d08a);
    margin-bottom: 20px
}

.card-number {
    letter-spacing: 3px;
    font-size: 18px;
    color: #fff
}

.balance {
    position: absolute;
    bottom: 15px;
    left: 20px;
    font-size: 20px;
    color: #f5d08a;
    opacity: 0;
    transition: .3s
}

    .balance.show {
        opacity: 1
    }

.title {
    font-size: 30px;
    background: linear-gradient(90deg,#f5d08a,#d4a95a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent
}

.subtitle {
    color: rgba(255,255,255,.6);
    margin-bottom: 25px
}

.form-control {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    color: #fff;
    height: 50px;
    border-radius: 10px
}

.btn-luxury {
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(90deg,#f5d08a,#d4a95a);
    border: none;
    font-weight: 600
}


/* ================= BOTTOM SCROLLER ================= */
.scroller {
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    padding: 10px 0;
}

.scroller-track {
    display: flex;
    width: max-content;
    animation: scroll 18s linear infinite;
}

.scroller:hover .scroller-track {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.card-mini {
    min-width: 200px;
    height: 270px;
    margin: 0 8px;
    border-radius: 12px;
    color: var(--text-light);
    padding: 10px;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    transition: transform .2s;
    width: 458px;
}

    .card-mini img {
        width: 100%;
        height: 100%
    }

    .card-mini:hover {
        transform: scale(1.05);
    }

    .card-mini.active {
        outline: 2px solid #fff;
        transform: scale(1.08);
    }