.install-calc-container {
    --primary-color: #0284c7;
    font-family: inherit;
    padding: 30px;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 20px auto;
    border: 1px solid #f1f5f9;
}

.install-calc-title {
    margin-top: 0;
    margin-bottom: 8px;
    color: #0f172a;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
}

.install-calc-subtitle {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 24px;
    text-align: center;
}

.install-calc-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.install-calc-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.install-calc-field label {
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.install-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
    background-color: #f8fafc;
    color: #0f172a;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.install-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    background-color: #fff;
}

.field-info {
    font-size: 11px;
    color: #64748b;
    margin-top: 4px;
}

.install-calc-note-included {
    background-color: #f0fdf4;
    border: 1px dashed #bbf7d0;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.install-calc-note-included p {
    margin: 0;
    font-size: 13px;
    color: #166534;
    font-weight: 500;
}

.install-calc-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    text-align: center;
}

.install-calc-btn:hover {
    opacity: 0.9;
    color: #ffffff;
}

.install-result-box {
    margin-top: 24px;
    padding: 24px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}

.install-result-box h3 {
    margin: 0 0 8px 0;
    font-size: 15px;
    color: #475569;
    font-weight: 600;
}

.install-result-value {
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 12px;
}

.install-breakdown {
    margin-bottom: 20px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #475569;
    margin-bottom: 8px;
}

.breakdown-item strong {
    color: #0f172a;
}

.install-disclaimer {
    background-color: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.install-custom-notice {
    background-color: #f1f5f9;
    border-left: 4px solid #64748b;
    padding: 12px 16px;
    border-radius: 0 6px 6px 0;
    font-size: 12.5px;
    color: #334155;
    margin-bottom: 20px;
    line-height: 1.5;
}

.install-custom-notice p {
    margin: 0 0 8px 0;
}

.install-custom-notice p:last-child {
    margin-bottom: 0;
}

.install-cta-section {
    text-align: center;
}

.install-cta-btn {
    display: inline-block;
    background-color: #10b981;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.2s;
}

.install-cta-btn:hover {
    background-color: #059669;
    color: #ffffff;
}

@media (max-width: 480px) {
    .install-calc-row {
        flex-direction: column;
        gap: 0;
    }
}