.card-number {
    position: relative;
    isolation: isolate;
    overflow: hidden;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    max-width: 420px;
    min-height: 80px;
    padding: 14px 20px;
    box-sizing: border-box;

    cursor: pointer;

    background-color: #111827;
    background-image: -webkit-linear-gradient(
        305deg,
        #182030 0%,
        #111827 60%,
        #0f172a 100%
    );
    background-image: linear-gradient(
        145deg,
        #182030 0%,
        #111827 60%,
        #0f172a 100%
    );

    border: 1px solid rgba(96, 165, 250, 0.22);
    border-radius: 22px;

    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.18),
        0 16px 42px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        inset 0 -1px 0 rgba(0, 0, 0, 0.25);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;

    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.card-number::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: -60px;

    background-image:
        radial-gradient(
            circle at 10% 10%,
            rgba(34, 124, 222, 0.22),
            transparent 38%
        ),
        radial-gradient(
            circle at 90% 90%,
            rgba(129, 58, 212, 0.18),
            transparent 40%
        ),
        radial-gradient(
            circle at 50% 120%,
            rgba(63, 193, 105, 0.10),
            transparent 35%
        );

    pointer-events: none;
}

.card-number::after {
    content: "";
    position: absolute;
    z-index: 1;
    top: -40%;
    bottom: -40%;
    left: -60%;

    width: 35%;

    background-image: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.02) 20%,
        rgba(255, 255, 255, 0.22) 50%,
        rgba(255, 255, 255, 0.02) 80%,
        transparent 100%
    );

    -webkit-transform: skewX(-20deg);
    transform: skewX(-20deg);

    pointer-events: none;
    animation: card-number-shine 5s ease-in-out infinite;
}

.card-number:hover {
    -webkit-transform: translateY(-2px) translateZ(0);
    transform: translateY(-2px) translateZ(0);

    border-color: rgba(96, 165, 250, 0.40);

    box-shadow:
        0 8px 18px rgba(0, 0, 0, 0.24),
        0 20px 48px rgba(37, 99, 235, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.07),
        inset 0 -1px 0 rgba(0, 0, 0, 0.30);
}

.card-number.copied {
    border-color: #3fc169;

    box-shadow:
        0 0 0 3px rgba(63, 193, 105, 0.18),
        0 12px 28px rgba(63, 193, 105, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.card-number .digit {
    position: relative;
    z-index: 2;

    display: inline-flex;
    flex: 1 1 0;
    align-items: center;
    justify-content: center;

    width: auto;
    min-width: 0;
    max-width: 21px;
    height: 1.15em;
    box-sizing: border-box;

    color: #f8fafc;

    font-family:
        "JetBrains Mono",
        "SFMono-Regular",
        Menlo,
        Monaco,
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 34px;
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;

    text-align: center;

    text-shadow:
        0 1px 0 rgba(0, 0, 0, 0.25),
        0 3px 12px rgba(96, 165, 250, 0.18);

    transition:
        color 0.25s ease,
        transform 0.25s ease,
        opacity 0.25s ease,
        filter 0.35s ease;

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.card-number .digit.is-animating {
    color: #60a5fa;
    opacity: 0.85;
    transform: translateY(-1px);
}

.card-number .digit.is-finished {
    color: #f8fafc;
    opacity: 1;
    transform: translateY(0);

    animation: card-number-digit-finish 0.35s ease;
}

.card-number .space {
    position: relative;
    z-index: 2;

    display: block;
    flex: 0 0 12px;

    width: 12px;
    min-width: 12px;
}

.card-number .card-number-label {
    position: absolute;
    z-index: 2;
    top: 14px;
    left: 20px;

    color: #94a3b8;

    font-family: Arial, sans-serif;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card-number.is-blurred {
    cursor: default;
}

.card-number.is-blurred:hover {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.card-number.is-blurred .digit {
    -webkit-filter: blur(8px);
    filter: blur(8px);

    opacity: 0.65;
    transform: scale(0.98);
}

.card-number:not(.is-blurred) .digit {
    -webkit-filter: blur(0);
    filter: blur(0);

    opacity: 1;
    transform: scale(1);
}

@media (max-width: 640px) {
    .card-number {
        min-height: 88px;
        padding: 22px 14px;
        border-radius: 18px;
    }

    .card-number .digit {
        flex: 1 1 0;

        width: auto;
        min-width: 0;
        max-width: 20px;

        font-size: clamp(18px, 6vw, 27px);
    }

    .card-number .space {
        flex: 0 0 7px;

        width: 7px;
        min-width: 7px;
    }

    .card-number .card-number-label {
        top: 10px;
        left: 14px;
        font-size: 9px;
    }
}

@media (max-width: 380px) {
    .card-number {
        padding-right: 10px;
        padding-left: 10px;
    }

    .card-number .digit {
        max-width: 18px;
        font-size: 18px;
    }

    .card-number .space {
        flex-basis: 5px;

        width: 5px;
        min-width: 5px;
    }
}

@keyframes card-number-shine {
    0%,
    68% {
        left: -60%;
        opacity: 0;
    }

    72% {
        opacity: 1;
    }

    88% {
        left: 130%;
        opacity: 1;
    }

    100% {
        left: 130%;
        opacity: 0;
    }
}

@keyframes card-number-digit-finish {
    0% {
        transform: translateY(-5px) scale(1.08);
        opacity: 0.5;
    }

    60% {
        transform: translateY(1px) scale(0.98);
        opacity: 1;
    }

    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .card-number,
    .card-number::after,
    .card-number .digit,
    .card-number .digit.is-finished {
        animation: none;
        transition: none;
    }
}

.page-register_form .box_form_input input::placeholder {
    opacity: 1;
}

.page-register_slogan span {

    color: #fff;
    font-weight: 700;
}