body {
    background: #eee;
    font-family: 'Roboto', sans-serif;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 14px 30px rgba(0,0,0,.12);
    overflow: hidden;
}

.gradient-panel {
    background: linear-gradient(to right, #ee7724, #d8363a, #dd3675, #b44593);
    color: #fff;
}

.form-control {
    border-radius: 4px;
    padding: 10px 8px;
    font-size: .85rem;
}

    .form-control:focus {
        border-color: #2563eb;
        box-shadow: 0 0 0 .15rem rgba(37,99,235,.25);
    }

.floating-group {
    position: relative;
    margin-bottom: 14px;
}

    .floating-group label {
        position: absolute;
        top: 50%;
        left: 10px;
        font-size: .8rem;
        color: #6c757d;
        background: #fff;
        padding: 0 6px;
        transform: translateY(-50%);
        pointer-events: none;
        transition: all .2s ease;
    }

    .floating-group input:focus + label,
    .floating-group input:not(:placeholder-shown) + label {
        top: 0;
        font-size: .7rem;
        color: #2563eb;
    }

.btn-gradient {
    background: linear-gradient(to right, #ee7724, #d8363a, #dd3675, #b44593);
    border: none;
    border-radius: 4px;
    padding: .5rem;
    color: #fff;
    font-weight: 500;
    font-size: .85rem;
    transition: all .2s ease;
}

    .btn-gradient:hover {
        box-shadow: 0 6px 14px rgba(221,54,117,.45);
        transform: translateY(-1px);
    }

.small-text {
    font-size: .75rem;
    color: #6c757d;
}

@media (max-width: 768px) {
    .gradient-panel {
        display: none;
    }
}
/* Invalid field */
.is-invalid {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.1rem rgba(220, 53, 69, 0.25);
}

/* Valid field (optional) */
.is-valid {
    border-color: #28a745 !important;
}