.glycol-calc-container-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    max-width: 100% !important;
    width: 100%;
    margin: 0 auto;
    padding: 16px 0;
}

@media (max-width: 768px) {
    .glycol-calc-container-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.glycol-calc-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    background-color: #111827;
    padding: 40px;
    border-radius: 12px;
    color: #ffffff;
}

.glycol-calc-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    color: #38bdf8;
}

.glycol-calc-main-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    color: #ffffff !important;
    margin: 0 0 16px 0;
}

.glycol-calc-desc {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 28px;
    color: #e5e7eb !important;
}

.glycol-calc-btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    color: #fff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: filter 0.2s ease, transform 0.1s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.glycol-calc-btn:hover {
    filter: brightness(90%);
}

.glycol-calc-btn:active {
    transform: scale(0.98);
}

.glycol-calc-right {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.glycol-calc-field {
    margin-bottom: 20px;
}

.glycol-calc-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.glycol-calc-input, .glycol-calc-select {
    width: 100%;
    height: 48px !important;
    line-height: 1.5 !important;
    padding: 10px 16px !important;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 0.95rem;
    color: #111827;
    background-color: #fff;
    box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: select !important;
    -webkit-appearance: select !important;
}

.glycol-calc-select option {
    padding: 8px;
    font-size: 0.95rem;
}

.glycol-calc-results {
    margin-top: 24px;
    padding: 20px;
    border-radius: 8px;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    display: none;
}

.glycol-calc-result-header {
    font-weight: 700;
    color: #166534;
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.glycol-calc-result-body {
    color: #1e293b;
    font-size: 0.95rem;
    line-height: 1.55;
}