.app-shell--guest {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top right, rgba(140, 93, 24, 0.12), transparent 24%),
        radial-gradient(circle at bottom left, rgba(95, 127, 112, 0.14), transparent 26%),
        linear-gradient(180deg, #f7f2ea 0%, #efe8de 100%);
}

.guest-shell {
    width: min(100%, 26rem);
}

.page-login {
    display: grid;
    gap: var(--space-3);
}

.page-login__card {
    padding: clamp(1.4rem, 3vw, 1.9rem);
    border-radius: 1.5rem;
    border-color: rgba(61, 78, 70, 0.12);
    background: rgba(255, 252, 247, 0.88);
    backdrop-filter: blur(12px);
    box-shadow: 0 22px 48px rgba(31, 38, 34, 0.09);
}

.page-login__title {
    margin: 0 0 var(--space-4);
    text-align: center;
}

.page-login__form {
    gap: 0.9rem;
}

.page-login .field input {
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    border-color: rgba(61, 78, 70, 0.12);
    background: rgba(255, 255, 255, 0.94);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-login .field input::placeholder {
    color: rgba(67, 80, 71, 0.56);
}

.page-login .field input:focus {
    outline: none;
    border-color: rgba(95, 127, 112, 0.45);
    box-shadow: 0 0 0 4px rgba(95, 127, 112, 0.1);
}

.page-login .button-row {
    margin-top: var(--space-2);
}

.page-login__submit {
    width: 100%;
    min-height: 3.1rem;
    border-color: transparent;
    background: linear-gradient(135deg, #5f7f70 0%, #8c5d18 100%);
    color: #fffdf8;
    box-shadow: 0 16px 28px rgba(61, 78, 70, 0.16);
}

.page-login .notice {
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

@media (max-width: 640px) {
    .app-shell {
        padding: 1rem;
    }

    .guest-shell {
        width: min(100%, 100%);
    }

    .page-login__card {
        padding: 1.2rem;
    }
}