.si-section {
    position: relative;
    overflow: hidden;
    background: #f4f5f9;
    padding: 70px 15px 50px;
    margin-top: 80px;
}

    .si-section::before, .si-section::after {
        content: "";
        position: absolute;
        border-radius: 50%;
        filter: blur(2px);
        opacity: .55;
        z-index: 0;
    }

    .si-section::before {
        width: 340px;
        height: 340px;
        background: linear-gradient(135deg, #ff6a6a, #d9232d);
        top: -140px;
        left: -120px;
    }

    .si-section::after {
        width: 260px;
        height: 260px;
        background: linear-gradient(135deg, #ffc9c9, #f16330);
        bottom: -110px;
        right: -90px;
    }

.si-card {
    position: relative;
    z-index: 1;
    max-width: 420px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,.14);
    padding: 56px 34px 30px;
    animation: siCardIn .45s ease;
}

@media (max-width: 575px) {
    .si-card {
        padding: 52px 20px 26px;
    }
}

@keyframes siCardIn {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.si-badge {
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d9232d 0%, #a8171f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 22px rgba(217,35,45,.4);
    border: 4px solid #fff;
}

    .si-badge i {
        color: #fff;
        font-size: 1.5rem;
    }

.si-role-toggle {
    display: flex;
    background: #f1f2f5;
    border-radius: 30px;
    padding: 4px;
    margin-bottom: 22px;
}

    .si-role-toggle a {
        flex: 1;
        text-align: center;
        padding: 9px 10px;
        border-radius: 26px;
        font-size: .85rem;
        font-weight: 700;
        color: #6c757d;
        text-decoration: none;
        transition: background .2s ease, color .2s ease, box-shadow .2s ease;
    }

        .si-role-toggle a.active {
            background: #fff;
            color: #d9232d;
            box-shadow: 0 2px 6px rgba(0,0,0,.08);
        }

        .si-role-toggle a:hover:not(.active) {
            color: #212529;
        }

.si-heading {
    text-align: center;
    margin-bottom: 22px;
}

    .si-heading h3 {
        font-family: 'Montserrat', sans-serif;
        font-weight: 700;
        color: #212529;
        margin: 0 0 4px;
        font-size: 1.4rem;
    }

    .si-heading p {
        color: #6c757d;
        font-size: .85rem;
        margin: 0;
    }

.si-msg {
    display: block;
    text-align: center;
    font-weight: 600;
    margin-bottom: 12px;
}

.si-group {
    position: relative;
    margin-bottom: 16px;
}

    .si-group i.si-icon {
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        color: #d9232d;
        opacity: .8;
        pointer-events: none;
        font-size: .92rem;
    }

    .si-group .form-control {
        padding-left: 40px;
        height: 46px;
        border-radius: 30px;
        border: 1px solid #e4e6eb;
        background: #f8f9fb;
        font-size: .9rem;
        transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

        .si-group .form-control::placeholder {
            color: #98a1ab;
        }

        .si-group .form-control:focus {
            border-color: #d9232d;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(217,35,45,.1);
        }

.si-btn {
    width: 100%;
    border: none;
    border-radius: 30px;
    padding: 12px;
    font-weight: 700;
    letter-spacing: .02em;
    color: #fff;
    background: linear-gradient(135deg, #d9232d 0%, #a8171f 100%);
    transition: transform .15s ease, box-shadow .15s ease;
    margin-top: 4px;
}

    .si-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 22px rgba(217,35,45,.38);
        color: #fff;
    }

.si-forgot {
    text-align: center;
    margin-top: 14px;
    font-size: .85rem;
}

    .si-forgot a {
        color: #6c757d;
    }

        .si-forgot a:hover {
            color: #d9232d;
        }

.si-divider {
    text-align: center;
    margin: 18px 0 14px;
    position: relative;
    color: #adb5bd;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

    .si-divider::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: #eee;
    }

    .si-divider span {
        background: #fff;
        padding: 0 12px;
        position: relative;
    }

.si-footer-link {
    text-align: center;
    font-size: .88rem;
    color: #6c757d;
}

    .si-footer-link a {
        color: #d9232d;
        font-weight: 700;
    }