.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 18px;
    padding: 18px;
}

.auth-shell__theme {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 20;
}

.auth-hero,
.auth-card {
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
    box-shadow: var(--shadow);
    border-radius: 22px;
}

.auth-hero {
    padding: 30px;
    background: linear-gradient(160deg, #0f3287 0%, #1457ff 58%, #90d7ff 140%);
    color: #fff;
}

.auth-hero h1 {
    margin: 14px 0 10px;
    font-size: clamp(1.9rem, 3.2vw, 3.1rem);
    line-height: 1.02;
}

.auth-hero p {
    max-width: 620px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.96rem;
}

.auth-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.auth-badges span {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    font-size: 0.84rem;
}

.auth-card {
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    backdrop-filter: blur(12px);
}

.auth-card__header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
}

.auth-card__header span {
    color: var(--muted);
}

.auth-form {
    display: grid;
    gap: 12px;
}

.auth-form label span {
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
    font-size: 0.92rem;
}

.auth-form input,
.auth-form select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 95%, transparent);
    color: var(--text);
    font: inherit;
}

.auth-submit {
    margin-top: 6px;
}

.auth-card__footer {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
}

.demo-users {
    margin-top: 14px;
    padding: 14px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-2) 92%, transparent);
    color: var(--muted);
    line-height: 1.7;
}

.demo-users strong {
    display: block;
    color: var(--text);
    margin-bottom: 4px;
}

.auth-card__footer a {
    color: var(--blue-deep);
    font-weight: 700;
}

@media (max-width: 1100px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-card__footer {
        flex-direction: column;
        gap: 10px;
    }
}