.form-container {
    max-width: 500px;
    margin: 60px auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
}

.form-title h2 {
    font-size: 28px;
    font-weight: 800;
}

.form-title p {
    color: var(--text-muted);
    margin-top: 5px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* User Classification */
.class-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 25px 0;
}

.class-card {
    border: 2px solid #f0f0f0;
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.class-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.class-card input {
    display: none;
}

.class-card .icon {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
}

/* PWD Form Toggle */
.pwd-form {
    display: none;
    background: #f9f9f9;
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-top: 15px;
    border: 1px solid #eee;
}

#type-pwd:checked~.pwd-form {
    display: block;
}

.pwd-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pwd-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
}

/* ── Responsive Form ─────────────────────────────── */
@media (max-width: 600px) {
    .form-container {
        margin: 20px auto;
        padding: 24px 18px;
        border-radius: 14px;
        width: calc(100% - 24px);
        max-width: 100%;
    }

    .form-title h2 {
        font-size: 22px;
    }

    .class-grid {
        grid-template-columns: 1fr;
    }

    .pwd-options {
        grid-template-columns: 1fr;
    }

    .form-group input {
        font-size: 16px; /* Prevent iOS zoom */
    }
}

@media (max-width: 400px) {
    .form-container {
        margin: 12px auto;
        padding: 20px 14px;
    }

    .form-title h2 {
        font-size: 20px;
    }
}