:root {
    --auth-primary: #1769f5;
    --auth-ink: #12213e;
    --auth-muted: #6e7c94;
    --auth-line: #dbe3f0;
}

body.auth-page {
    min-height: 100vh;
    padding: 14px 24px;
    align-items: center;
    background: linear-gradient(135deg, #f4f7fc 0%, #dfe7f4 100%);
}

.auth-page .login-container,
.auth-page .register-container {
    width: min(920px, 100%);
    max-width: 920px;
}

.auth-page .auth-logo {
    margin-bottom: 12px !important;
}

.auth-page .auth-logo img {
    display: block;
    width: auto;
    height: 52px;
    margin: 0 auto;
}

.auth-page .card {
    border: 1px solid rgba(202, 214, 233, .9);
    border-radius: 20px;
    box-shadow: 0 20px 55px rgba(30, 52, 95, .13);
}

.auth-page .card-header {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 17px 24px;
}

.auth-page .card-header::after {
    bottom: -10px;
    height: 20px;
    transform: skewY(-1deg);
}

.auth-page .card-header h3 {
    font-size: 27px;
}

.auth-page .card-body {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
    align-items: stretch;
    gap: 0;
    padding: 28px 30px 26px;
}

.auth-page .auth-form-column {
    min-width: 0;
    padding-right: 30px;
}

.auth-page .auth-social-column {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 0 24px 30px;
    border-left: 1px solid var(--auth-line);
    background: linear-gradient(135deg, rgba(239,244,255,.78), rgba(249,251,255,.35));
}

.auth-page .auth-social-copy {
    margin-bottom: 18px;
}

.auth-page .auth-social-copy strong {
    display: block;
    margin-bottom: 5px;
    color: var(--auth-ink);
    font-size: 18px;
}

.auth-page .auth-social-copy span,
.auth-page .auth-security-note {
    color: var(--auth-muted);
    font-size: 13px;
    line-height: 1.5;
}

.auth-page .auth-security-note {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 18px 0 0;
}

.auth-page .auth-security-note i {
    margin-top: 2px;
    color: #218967;
}

.auth-page .login-divider,
.auth-page .register-divider {
    margin: 0 0 18px;
}

.auth-page .login-divider::before,
.auth-page .register-divider::before,
.auth-page .login-divider::after,
.auth-page .register-divider::after {
    width: 33%;
}

.auth-page .login-divider span,
.auth-page .register-divider span {
    background: transparent;
    color: var(--auth-muted);
    font-size: 13px;
}

.auth-page .form-floating .form-control {
    height: 52px;
    min-height: 52px;
}

.auth-page .form-floating > label {
    padding-top: .88rem;
}

.auth-page .form-floating.mb-3 {
    margin-bottom: 12px !important;
}

.auth-page .form-floating.mb-4 {
    margin-bottom: 14px !important;
}

.auth-page #captcha-container {
    max-width: 100%;
    margin-bottom: 12px !important;
}

.auth-page .btn-primary {
    min-height: 48px;
}

.auth-page .login-footer,
.auth-page .register-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-top: 11px;
    font-size: 14px;
}

.auth-page .login-footer p,
.auth-page .register-footer p {
    margin: 0;
}

.auth-page #vk_auth,
.auth-page #vk_auth > div,
.auth-page #vk_auth iframe {
    max-width: 100%;
}

@media (max-width: 760px) {
    body.auth-page {
        padding: 12px;
        align-items: flex-start;
    }

    .auth-page .auth-logo img {
        height: 46px;
    }

    .auth-page .card-header h3 {
        font-size: 23px;
    }

    .auth-page .card-body {
        grid-template-columns: 1fr;
        padding: 25px 20px 22px;
    }

    .auth-page .auth-form-column {
        padding-right: 0;
    }

    .auth-page .auth-social-column {
        margin-top: 22px;
        padding: 22px 0 0;
        border-top: 1px solid var(--auth-line);
        border-left: 0;
        background: transparent;
    }
}

@media (max-height: 720px) and (min-width: 761px) {
    body.auth-page {
        align-items: flex-start;
        padding-top: 8px;
        padding-bottom: 8px;
    }

    .auth-page .auth-logo {
        margin-bottom: 7px !important;
    }

    .auth-page .auth-logo img {
        height: 43px;
    }

    .auth-page .card-header {
        min-height: 58px;
        padding: 12px 20px;
    }

    .auth-page .card-header h3 {
        font-size: 23px;
    }

    .auth-page .card-body {
        padding-top: 22px;
        padding-bottom: 20px;
    }
}