body.signin {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.18), transparent 28%),
        linear-gradient(180deg, #F8FAFC 0%, #EEF4FF 100%);
    color: #1E293B;
    position: relative;
    overflow-x: hidden;
}

body.signin:before,
body.signin:after {
    content: "";
    position: fixed;
    z-index: 0;
    border-radius: 50%;
    pointer-events: none;
}

body.signin:before {
    top: -120px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: rgba(37, 99, 235, 0.09);
}

body.signin:after {
    left: -110px;
    bottom: -110px;
    width: 280px;
    height: 280px;
    background: rgba(30, 64, 175, 0.08);
}

.signinpanel {
    position: relative;
    z-index: 1;
    max-width: 1140px;
    padding: 54px 15px 24px;
}

.signinpanel > .row {
    margin: 0;
    display: flex;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(226, 232, 240, 0.92);
    border-radius: 28px;
    box-shadow: 0 28px 60px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

.signinpanel .col-sm-7,
.signinpanel .col-sm-5 {
    float: none;
    padding-left: 0;
    padding-right: 0;
}

.signinpanel .signin-info {
    height: 100%;
    padding: 54px 48px;
    background:
        radial-gradient(circle at top right, rgba(96, 165, 250, 0.18), transparent 36%),
        linear-gradient(135deg, #0F172A 0%, #14306D 58%, #2563EB 100%);
    color: #fff;
}

.xiaomi-auth-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.xiaomi-auth-logo .logo-copy h1 {
    margin: 0;
    color: #fff;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.1;
}

.xiaomi-auth-logo .logo-copy p {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.signin-info h4 {
    margin: 0 0 14px;
    color: #fff;
    font-size: 28px;
    font-weight: 700;
}

.signin-info .xiaomi-auth-desc {
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    line-height: 1.8;
}

.signin-info .m-b {
    margin-bottom: 0 !important;
}

.brand-feature-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.brand-feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 15px;
}

.brand-feature-list li i {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
}

.signin-info strong,
.signin-info strong a {
    color: rgba(255, 255, 255, 0.92);
}

.signinpanel form {
    height: 100%;
    margin: 0;
    padding: 54px 40px 36px;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.signinpanel form h4 {
    color: #0F172A;
    font-size: 24px;
    font-weight: 700;
}

.signinpanel form .m-t-md,
.xiaomi-auth-form-note {
    color: #64748B;
    font-size: 14px;
    line-height: 1.7;
}

.signinpanel .form-control {
    height: 46px;
    margin-top: 16px;
    padding: 10px 14px;
    border: 1px solid #D8E1EC;
    border-radius: 12px;
    box-shadow: none;
    background-image: none !important;
}

.signinpanel .form-control:focus {
    border-color: rgba(37, 99, 235, 0.56);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.signinpanel .checkbox-custom label {
    color: #475569;
}

.signinpanel .btn-success {
    height: 46px;
    margin-top: 18px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.signinpanel .btn-success:hover,
.signinpanel .btn-success:focus {
    background: linear-gradient(135deg, #1E40AF 0%, #18378A 100%);
}

.signup-footer {
    position: relative;
    z-index: 1;
    padding-top: 16px;
    color: #64748B;
}

@media (max-width: 991px) {
    .signinpanel > .row {
        display: block;
    }

    .signinpanel .signin-info,
    .signinpanel form {
        padding: 36px 28px;
    }
}