:root {
    --auth-ink: #1c181c;
    --auth-muted: #5b6573;
    --auth-line: #e6e9ef;
    --auth-wash: #f4f6f8;
    --auth-accent: #0f173a;
    --auth-teal: #ff5c1d;
}

body.auth-body {
    margin: 0;
    min-height: 100vh;
    background: var(--auth-wash);
    color: var(--auth-ink);
    font-family: "Segoe UI", system-ui, sans-serif;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.auth-login {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    width: min(960px, 100%);
    min-height: 560px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--auth-line);
    background: #fff;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.auth-brand {
    background: linear-gradient(160deg, #0f173a 0%, #ff5c1d 100%);
    color: #fff;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 0.65rem;
}

.auth-brand .auth-kicker {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.85;
}

.auth-brand h1 {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2rem);
    letter-spacing: -0.03em;
    font-weight: 650;
    line-height: 1.2;
}

.auth-brand p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    max-width: 28rem;
    line-height: 1.45;
}

.auth-form {
    background: #fff;
    padding: 2.4rem 2rem;
    display: grid;
    align-content: center;
    gap: 0.85rem;
}

.auth-form h2 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 650;
}

.auth-muted {
    color: var(--auth-muted);
    font-size: 0.92rem;
    margin: 0;
}

.auth-field {
    display: grid;
    gap: 0.3rem;
}

.auth-field span {
    font-size: 0.82rem;
    font-weight: 650;
}

.auth-field input {
    border: 1px solid var(--auth-line);
    border-radius: 10px;
    min-height: 44px;
    padding: 0 0.8rem;
    font: inherit;
    width: 100%;
}

.auth-field input:focus {
    outline: none;
    border-color: #ff5c1d;
    box-shadow: 0 0 0 3px rgba(255, 92, 29, 0.28);
}

.auth-btn:focus-visible,
.auth-link:focus-visible {
    outline: 3px solid #ff5c1d;
    outline-offset: 2px;
}

.auth-check:focus-within {
    outline: 2px solid #ff5c1d;
    outline-offset: 2px;
    border-radius: 6px;
}

.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 46px;
    border: 0;
    border-radius: 10px;
    background: #0f173a;
    color: #fff;
    font-weight: 650;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
}

.auth-btn:hover {
    background: #1a2454;
    color: #fff;
}

.auth-link {
    color: var(--auth-accent);
    font-weight: 600;
    text-decoration: underline;
}

.auth-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
}

.auth-alert {
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    font-size: 0.9rem;
}

.auth-alert-danger {
    background: #fee2e2;
    color: #b91c1c;
}

.auth-alert-success {
    background: #dcfce7;
    color: #166534;
}

@media (max-width: 800px) {
    .auth-login {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .auth-brand {
        min-height: 180px;
        justify-content: center;
        padding: 1.75rem;
    }
}