.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 300px;
    height: 80px;
    background: #A20F2B;
    color: #fff;
    text-decoration: none;
    border-radius: 15px;
    font-family: 'Instrument Sans', Arial, sans-serif;
    font-size: 1.375rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    margin: 0 auto;
    box-shadow: 0 2px 12px #0001;
    transition: background 0.2s;
}
.auth-btn:hover {
    background: #8a0d24;
}

body {
    background: #fff;
    font-family: 'Instrument Sans', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    position: relative;
}

.login-title {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100vw;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--main-red, #A20F2B);
    letter-spacing: 0.04em;
    font-family: 'Instrument Sans', Arial, sans-serif;
}

.login-logo {
    position: absolute;
    bottom: 40px;
    left: 0;
    width: 100vw;
    text-align: center;
}

.login-logo img {
    height: 48px;
    width: auto;
    opacity: 0.9;
}