.registro-zona {
    display: flex;
    justify-content: center;
    margin-top: 34px;
}

.registro-card {
    position: relative;
    width: 100%;
    max-width: 460px;
    padding: 46px 44px 44px;
    border: 1px solid var(--border);
    background:
        radial-gradient(circle at 50% 0%, rgba(215, 183, 106, 0.08), transparent 55%),
        var(--panel);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    text-align: center;
}

.registro-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 28px;
    right: 28px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
}

.registro-card::after {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(215, 183, 106, 0.08);
    pointer-events: none;
}

.registro-tag {
    color: var(--white);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
}

.registro-card .divisor {
    width: 90px;
    margin: 18px auto 30px;
}

.registro {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 26px;
    text-align: left;
}

.campo {
    position: relative;
}

.campo input {
    width: 100%;
    padding: 12px 2px 10px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: var(--white);
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.25s ease;
}

.campo input::placeholder {
    color: var(--muted);
    opacity: 1;
}

.campo input:focus {
    border-bottom-color: var(--gold-line);
}

.campo input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px #0c0c0c inset;
    -webkit-text-fill-color: var(--white);
}

.registro .btn {
    width: 100%;
    margin-top: 12px;
    cursor: pointer;
    font-family: "Montserrat", Arial, sans-serif;
}

.registro-aviso {
    position: relative;
    z-index: 1;
    margin: -8px 0 26px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.35);
    color: var(--white);
    font-size: 0.8rem;
    line-height: 1.5;
    letter-spacing: 0.03rem;
    white-space: pre-line;
}

.registro-aviso.ok {
    border-color: var(--gold-line);
    color: var(--gold);
}

.registro-aviso.error {
    border-color: rgba(214, 118, 98, 0.45);
    color: #e0a090;
}

@media (max-width: 640px) {
    .registro-zona {
        margin-top: 20px;
    }

    .registro-card {
        padding: 36px 22px 32px;
    }
}