.pin-login-body {
    background: linear-gradient(145deg, #2a1810 0%, #4a2018 50%, #1a100c 100%);
    color: #fff;
}

.pin-dots {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.pin-dots span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid #6c757d;
    display: inline-block;
    transition: background .15s;
}

.pin-dots span.filled {
    background: #e91e63;
    border-color: #e91e63;
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.pin-login-card {
    width: min(320px, 100%);
    padding-left: 16px;
    padding-right: 16px;
}

.pin-key {
    height: 64px;
    min-height: 48px;
    font-size: 1.5rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: #2b3035;
    color: #fff;
    cursor: pointer;
    transition: background .15s, transform .1s;
}

.pin-key:hover { background: #3d4449; }
.pin-key:active { transform: scale(0.96); }
.pin-key-clear { font-size: 1rem; color: #dc3545; }
.pin-key-back { font-size: 1.2rem; }

@media (max-width: 575.98px) {
    .pin-key {
        height: 56px;
        font-size: 1.35rem;
    }

    .pin-login-body {
        padding: 16px;
    }
}