.ao-form-advanced {
    --ao-form-gap: clamp(16px, 2vw, 30px);
    --ao-form-section-spacing: 32px;
    --ao-form-summary-width: 380px;
    background: transparent;
}

.ao-form-advanced__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--ao-form-gap);
}

.ao-form-advanced__form,
.ao-form-advanced__summary {
    background: var(--ao-form-bg, #fff);
}

/* Form column - border and shadow like summary */
.ao-form-advanced__form {
    border: 1px solid var(--ao-form-border, #e0e4ec);
    border-radius: var(--ao-form-radius, 12px);
    padding: 20px;
    box-shadow: var(--ao-form-shadow, 0 6px 24px rgba(0, 0, 0, 0.08));
}

.ao-form-advanced__summary {
    order: -1;
}

@media (min-width: 769px) {
    .ao-form-advanced__layout {
        grid-template-columns: minmax(0, 1fr) var(--ao-form-summary-width);
        align-items: start;
    }

    .ao-form-advanced__summary {
        order: initial;
        position: sticky;
        top: 24px;
    }
}

.ao-form-advanced__section {
    margin-bottom: var(--ao-form-section-spacing);
}

.ao-form-advanced__section-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 600;
    margin-bottom: 0.35em;
    color: var(--ao-form-heading, #1a1a1a);
}

.ao-form-advanced__section-desc {
    color: var(--ao-form-muted, #6f7787);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.ao-form-advanced__separator {
    height: 2px;
    background: var(--ao-form-primary, #0098d8);
    opacity: 0.6;
    border-radius: 999px;
    margin: 20px 0;
}

.ao-form-advanced__row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.ao-form-advanced__row.ao-form-advanced__row--two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ao-form-advanced__group {
    width: 100%;
}

.ao-form-advanced__toggle {
    margin-bottom: 18px;
}

.ao-form-advanced__toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--ao-form-radius, 12px);
    border: 1px solid var(--ao-form-border, #e0e4ec);
    background: #f5f7fb;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.ao-form-advanced__toggle-label:hover,
.ao-form-advanced__toggle-label--expanded {
    border-color: var(--ao-form-primary, #0098d8);
    background: rgba(0, 152, 216, 0.08);
}

.ao-form-advanced__toggle-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ao-form-advanced__toggle-text {
    flex: 1;
    font-weight: 500;
}

.ao-form-advanced__toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    color: var(--ao-form-primary, #0098d8);
    font-weight: 700;
    transform: rotate(-90deg);
}

.ao-form-advanced__toggle-icon--rotated {
    transform: rotate(0deg);
}

.ao-form-advanced__conditional {
    overflow: hidden;
    border: 1px solid var(--ao-form-border, #e0e4ec);
    border-radius: var(--ao-form-radius, 12px);
    padding: 20px;
    background: var(--ao-form-bg, #fff);
    box-shadow: var(--ao-form-shadow, 0 6px 24px rgba(0, 0, 0, 0.08));
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.ao-form-advanced__conditional--visible {
    max-height: 1000px;
    opacity: 1;
}

.ao-form-advanced__summary-box {
    border: 1px solid var(--ao-form-border, #e0e4ec);
    border-radius: var(--ao-form-radius, 12px);
    padding: 20px;
    box-shadow: var(--ao-form-shadow, 0 6px 24px rgba(0, 0, 0, 0.08));
    background: var(--ao-form-bg, #fff);
}

.ao-form-advanced__summary:empty {
    display: none;
}

@media (max-width: 768px) {
    .ao-form-advanced__layout {
        grid-template-columns: 1fr;
    }

    .ao-form-advanced__summary {
        order: -1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ao-form-advanced__toggle-icon,
    .ao-form-advanced__conditional {
        transition: none;
    }
}