.average-cost-form-stack {
    display: grid;
    gap: 1rem;
}

.average-cost-field-group {
    border: 1px solid #e3e8f5;
    border-radius: 1rem;
    padding: 1rem;
    background: #fff;
}

.average-cost-field-group h5 {
    margin-bottom: 1rem;
    font-weight: 800;
    color: #14213d;
}

.average-cost-mode-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
}

.average-cost-mode-option {
    display: flex;
    gap: .65rem;
    align-items: flex-start;
    min-height: 100%;
    border: 1px solid #dfe6f3;
    border-radius: .875rem;
    padding: .85rem;
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.average-cost-mode-option.is-selected {
    border-color: #4f46e5;
    background: #f5f6ff;
    box-shadow: 0 10px 24px rgba(79, 70, 229, .08);
}

.average-cost-mode-option input {
    margin-top: .2rem;
}

.average-cost-mode-option strong {
    display: block;
    font-size: .92rem;
    color: #0f172a;
}

.average-cost-mode-option small {
    display: block;
    margin-top: .2rem;
    line-height: 1.35;
    color: #64748b;
}


.average-cost-field-note {
    display: flex;
    align-items: center;
    min-height: 58px;
    padding: 0.72rem 1rem;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-left: 4px solid #ffd9b3;
    border-radius: 16px;
    background: rgba(248, 250, 252, 0.92);
    color: #334155;
    font-size: 0.93rem;
    line-height: 1.4;
}


.average-cost-tool-form .field-input,
.average-cost-money-input-wrap {
    min-height: 58px;
}

.average-cost-tool-form .field-input {
    height: 58px;
}

.average-cost-money-input-wrap {
    min-width: 0;
}

.average-cost-money-input-wrap .field-input {
    width: 100%;
}

.average-cost-money-input-wrap {
    position: relative;
}

.average-cost-money-prefix {
    position: absolute;
    top: 50%;
    left: .85rem;
    transform: translateY(-50%);
    color: #475569;
    font-weight: 700;
    pointer-events: none;
}

.average-cost-money-input {
    padding-left: 2rem;
}

.average-cost-summary-shell {
    border: 1px solid #e3e8f5;
    border-radius: 1.25rem;
    padding: 1rem;
    background: #fff;
}

.average-cost-summary-hero {
    display: grid;
    grid-template-columns: 1fr minmax(180px, 220px);
    gap: 1rem;
    align-items: stretch;
    padding: .75rem;
    border-radius: 1rem;
    background: #f8fafc;
}

.average-cost-summary-hero-value {
    font-size: clamp(2rem, 5vw, 2.75rem);
    line-height: 1;
    font-weight: 900;
    color: #0f172a;
    margin: .35rem 0 .5rem;
}

.average-cost-rate-box {
    display: grid;
    align-content: center;
    gap: .25rem;
    border-radius: 1rem;
    padding: 1rem;
    background: #eef2ff;
}

.average-cost-rate-box small {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #64748b;
}

.average-cost-rate-box strong {
    color: #111827;
    font-size: 1.05rem;
}

.average-cost-details-toggle {
    border: 1px solid #e3e8f5;
    border-radius: .875rem;
    background: #fff;
}

.average-cost-details-toggle > summary {
    list-style: none;
    cursor: pointer;
    padding: .85rem 1rem;
    font-weight: 800;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.average-cost-details-toggle > summary::-webkit-details-marker {
    display: none;
}

.average-cost-details-toggle > summary::marker {
    content: "";
}

.average-cost-details-toggle > summary::after {
    content: "+";
    font-weight: 900;
}

.average-cost-details-toggle[open] > summary::after {
    content: "−";
}

@media (max-width: 768px) {
    .average-cost-mode-options,
    .average-cost-summary-hero {
        grid-template-columns: 1fr;
    }
}