.auth-page-body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: "Noto Sans", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(circle at 10% 12%, rgba(105, 108, 255, 0.16), transparent 34%),
        radial-gradient(circle at 90% 88%, rgba(3, 195, 236, 0.18), transparent 36%),
        linear-gradient(180deg, #f7f9ff 0%, #f3f7ff 100%);
    color: #304766;
}

.auth-shell {
    min-height: 100vh;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: min(100%, 460px);
    border-radius: 1.15rem;
    border: 1px solid #dfe6f3;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 14px 30px rgba(48, 71, 102, 0.1);
    padding: 1.5rem;
}

.auth-header-block {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-brand-mark {
    width: 4.6rem;
    height: 4.6rem;
    margin: 0 auto;
    border-radius: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
    background: linear-gradient(135deg, #696cff, #03c3ec);
    box-shadow: 0 10px 22px rgba(105, 108, 255, 0.32);
}

.auth-system-name {
    margin: 0.9rem 0 0;
    font-size: 1.2rem;
    line-height: 1.4;
    font-weight: 700;
    color: #2f4869;
}

.auth-system-note {
    margin: 0.45rem 0 0;
    color: #657f9e;
    font-size: 0.9rem;
}

.auth-form-block {
    margin-top: 1.45rem;
}

.auth-card-title {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    color: #304a6a;
    line-height: 1.3;
}

.auth-card-description {
    margin: 0.45rem 0 1.35rem;
    color: #6b7a90;
    font-size: 0.9rem;
    line-height: 1.55;
}

.auth-form .form-label {
    color: #4f6787;
    font-size: 0.84rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.auth-input {
    min-height: 44px;
    border-radius: 0.72rem;
    border: 1px solid #d4dfef;
    box-shadow: none;
    padding: 0.58rem 0.75rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-input:hover {
    border-color: #bccce5;
}

.auth-input:focus {
    border-color: #9bb0dc;
    box-shadow: 0 0 0 0.2rem rgba(105, 108, 255, 0.13);
}

.auth-otp-input {
    letter-spacing: 0.28rem;
    text-align: center;
    font-weight: 700;
}

.auth-validation-summary ul {
    margin-bottom: 0.64rem;
    padding-left: 1rem;
    font-size: 0.9rem;
}

.auth-form-options {
    margin: 0.08rem 0 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.auth-form-options .form-check {
    margin: 0;
}

.auth-form-options .form-check-label {
    font-size: 0.86rem;
    color: #5b7393;
}

.auth-link {
    font-size: 0.84rem;
    font-weight: 600;
    color: #5a59d2;
    text-decoration: none;
}

.auth-link:hover,
.auth-link:focus {
    color: #3d3fbe;
    text-decoration: underline;
}

.auth-submit-btn {
    width: 100%;
    min-height: 44px;
    border: none;
    border-radius: 0.76rem;
    font-size: 0.94rem;
    font-weight: 700;
    background: linear-gradient(135deg, #696cff, #03c3ec);
    box-shadow: 0 9px 20px rgba(105, 108, 255, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-submit-btn:hover,
.auth-submit-btn:focus {
    transform: translateY(-1px);
    box-shadow: 0 11px 22px rgba(105, 108, 255, 0.28);
    background: linear-gradient(135deg, #5c5fe1, #03b5dd);
}

.auth-secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 0.62rem;
    color: #4f6786;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}

.auth-secondary-link:hover,
.auth-secondary-link:focus {
    color: #3f5676;
    text-decoration: underline;
}

@media (max-width: 767.98px) {
    .auth-shell {
        padding: 0.9rem;
    }

    .auth-card {
        width: min(100%, 420px);
        padding: 1.2rem;
        border-radius: 1rem;
    }

    .auth-brand-mark {
        width: 4rem;
        height: 4rem;
        font-size: 1.72rem;
    }

    .auth-system-name {
        font-size: 1.07rem;
    }

    .auth-card-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .auth-shell {
        padding: 0.72rem;
    }

    .auth-card {
        padding: 1rem;
    }

    .auth-brand-mark {
        width: 3.5rem;
        height: 3.5rem;
        font-size: 1.45rem;
        border-radius: 0.95rem;
    }

    .auth-system-name {
        font-size: 0.98rem;
    }

    .auth-system-note,
    .auth-card-description {
        font-size: 0.84rem;
    }

    .auth-form-block {
        margin-top: 1.1rem;
    }

    .auth-card-description {
        margin-bottom: 1.1rem;
    }

    .auth-form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}