.metals-page {
    padding-top: 60px;
    padding-bottom: 100px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    margin-top: 40px;
}

.metal-config {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 30px;
}

.config-section {
    margin-bottom: 30px;
}

.config-section h3 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.type-card {
    padding: 20px;
    border: 2px solid var(--border);
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.type-card.active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.type-card i {
    font-size: 24px;
    display: block;
    margin-bottom: 10px;
}

.type-card span {
    font-size: 14px;
    font-weight: 700;
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
}

.input-group input, .input-group select {
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    font-weight: 600;
}

.result-sidebar {
    position: sticky;
    top: 100px;
}

.result-card {
    background: #000;
    color: #fff;
    padding: 40px;
    border-radius: var(--radius-md);
    text-align: center;
}

.result-card h2 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.6;
    margin-bottom: 20px;
}

.weight-display {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 10px;
}

.unit {
    font-size: 18px;
    opacity: 0.6;
    margin-left: 5px;
}

.price-display {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 30px;
}

.btn-full {
    width: 100%;
}

@media (max-width: 1024px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
    .result-sidebar {
        position: static;
    }
}