:root {
    --auth-overlay: rgba(9, 18, 35, 0.55);
    --auth-card: rgba(255, 255, 255, 0.96);
    --auth-ink: #132238;
    --auth-brand: #1e3f77;
}

* {
    box-sizing: border-box;
}

body.auth-body {
    margin: 0;
    min-height: 100vh;
    font-family: "Trebuchet MS", "Gill Sans", "Century Gothic", sans-serif;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.auth-overlay {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.3fr minmax(320px, 420px);
    gap: 24px;
    align-items: center;
    padding: 24px clamp(16px, 4vw, 64px);
    background: var(--auth-overlay);
}

.auth-hero {
    color: #fff;
}

.auth-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(42px, 8vw, 88px);
    line-height: 1.05;
}

.auth-hero p {
    margin: 0;
    font-size: clamp(24px, 5vw, 62px);
    line-height: 1.12;
    font-weight: 400;
}

.auth-hero p span {
    font-weight: 800;
}

.auth-card {
    background: var(--auth-card);
    border-radius: 14px;
    padding: clamp(16px, 2.4vw, 30px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.auth-card h2 {
    margin: 0 0 14px;
    color: var(--auth-ink);
    text-align: center;
    font-size: 30px;
}

.auth-form p {
    margin: 0 0 12px;
}

.auth-form label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
    color: #2f435b;
}

.auth-form input {
    width: 100%;
    border: 1px solid #c9d6e8;
    border-radius: 9px;
    padding: 10px 12px;
    font-size: 15px;
}

.auth-btn {
    width: 100%;
    padding: 11px;
    border: 0;
    border-radius: 9px;
    background: var(--auth-brand);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.auth-link {
    margin-top: 14px;
    text-align: center;
    color: #4f6076;
}

.auth-link a {
    color: var(--auth-brand);
    font-weight: 800;
    text-decoration: none;
}

.auth-error {
    margin: 0 0 10px;
    text-align: center;
    color: #d04545;
    font-weight: 700;
}

@media (max-width: 900px) {
    .auth-overlay {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .auth-hero {
        text-align: center;
    }

    .auth-card {
        width: min(100%, 500px);
        margin: 0 auto;
    }
}