.sign-in-card {
    width: min(24rem, 100%);
    margin: 2.5rem auto;
    padding: 1.75rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    text-align: center;
}

.back-link {
    align-self: flex-start;
    color: var(--forest);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
}

.sign-avatar {
    width: min(12rem, 55vw);
    height: min(12rem, 55vw);
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px var(--line);
    margin-top: 0.35rem;
}

.sign-in-card h1 {
    font-family: var(--font-display);
    color: var(--forest);
    font-size: 1.9rem;
    letter-spacing: -0.03em;
    background: none;
    border: none;
    padding: 0;
}

.sign-name {
    color: var(--muted);
    margin-top: -0.25rem;
}

.sign-in-card form {
    width: 100%;
    text-align: left;
    margin-top: 0.5rem;
}

.sign-in-card .btn {
    width: 100%;
    margin-top: 0.75rem;
}