.auth-shell {
    min-height: 100vh;
    background: #f8fafc;
    color: #1e293b;
}

.auth-shell-inner {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
}

.auth-container {
    max-width: 28rem;
}

.auth-logo {
    width: 3.5rem;
    height: 3.5rem;
}

.auth-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1.5rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.auth-brand {
    color: #94a3b8;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.auth-title {
    color: #0f172a;
    font-size: clamp(1.55rem, 2vw, 1.9rem);
    font-weight: 800;
    letter-spacing: -.03em;
}

.auth-subtitle {
    color: #64748b;
    font-size: .95rem;
}

.auth-link {
    color: #0f172a;
}

.auth-link:hover {
    color: #111827;
}

.auth-shell .form-control {
    min-height: 3.1rem;
    border-radius: 0.95rem;
    border-color: #dbe3ee;
    padding: 0.85rem 1rem;
    box-shadow: none;
}

.auth-shell .form-control:focus {
    border-color: #7c9cff;
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.12);
}

.auth-shell .form-check-input {
    border-radius: 0.4rem;
}