:root {
    --primary: #12325b;
    --primary-soft: #dbe7fb;
    --surface: #f4f8ff;
    --text: #1f2937;
    --muted: #64748b;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background:
        radial-gradient(circle at 0% 0%, rgba(105, 150, 224, 0.18) 0%, rgba(105, 150, 224, 0) 35%),
        radial-gradient(circle at 100% 100%, rgba(63, 179, 155, 0.12) 0%, rgba(63, 179, 155, 0) 35%),
        var(--surface);
    font-family: "Plus Jakarta Sans", "Segoe UI", Tahoma, sans-serif;
    color: var(--text);
}

.auth-shell {
    width: min(980px, 100%);
    background: #fff;
    border: 1px solid #d7e1ee;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 32px 60px -44px rgba(12, 35, 61, 0.6);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
}

.auth-info {
    background: linear-gradient(155deg, #0f2c52 0%, #174277 100%);
    color: #e4eeff;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.auth-kicker {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(176, 203, 245, 0.4);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.auth-title {
    font-size: clamp(1.35rem, 2.3vw, 1.9rem);
    font-weight: 800;
    margin-top: 1rem;
    margin-bottom: 0.65rem;
}

.auth-info p {
    color: #c7d9f7;
    margin-bottom: 1.1rem;
}

.auth-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.auth-badges span {
    border: 1px solid rgba(176, 203, 245, 0.35);
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    font-size: 0.76rem;
    color: #d6e5ff;
    font-weight: 600;
}

.auth-card {
    padding: 2rem;
}

.auth-card h1 {
    font-size: 1.4rem;
    font-weight: 800;
    color: #0f2d53;
}

.auth-card .subtitle {
    color: var(--muted);
    margin-bottom: 1.3rem;
}

.form-label {
    font-weight: 600;
    color: #334155;
}

.form-control {
    border-radius: 10px;
    border-color: #d4deeb;
    padding: 0.62rem 0.72rem;
}

.form-control:focus {
    border-color: #9eb6d8;
    box-shadow: 0 0 0 0.18rem rgba(58, 102, 165, 0.15);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    border-radius: 10px;
    padding: 0.62rem 0.72rem;
    font-weight: 700;
}

.btn-primary:hover {
    background: #0e294b;
    border-color: #0e294b;
}

.auth-help {
    margin-top: 1.2rem;
    background: #f7faff;
    border: 1px solid #deE7f3;
    border-radius: 12px;
    padding: 0.8rem 0.9rem;
    font-size: 0.84rem;
    color: #4c617d;
}

.auth-help code {
    background: var(--primary-soft);
    color: #16345c;
    padding: 0.08rem 0.3rem;
    border-radius: 4px;
}

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

    .auth-info {
        padding: 1.35rem;
    }

    .auth-card {
        padding: 1.35rem;
    }
}