/* Main Container */
.hgc-converter {
    max-width: 700px;
    margin: 20px auto;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

/* Sections */
.hgc-section {
    margin-bottom: 25px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.hgc-section h3 {
    color: #2d572c;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2em;
    border-bottom: 1px solid #e8f5e9;
    padding-bottom: 8px;
}

/* Input Grid */
.hgc-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 15px 0;
}

.hgc-inputs select {
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

/* Button */
.hgc-convert-btn {
    background: #2d572c;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 14px;
    transition: background 0.3s;
}

.hgc-convert-btn:hover {
    background: #1e3e1e;
}

/* Results */
.hgc-result {
    margin-top: 15px;
    padding: 12px;
    background: #f0f7f0;
    border-radius: 5px;
    border: 1px solid #c8e6c9;
}

.hgc-result-main {
    font-weight: bold;
    color: #1e3e1e;
    margin-bottom: 5px;
}

.hgc-result-note {
    color: #2d572c;
    font-size: 0.9em;
    opacity: 0.9;
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .hgc-converter {
        padding: 15px;
    }
    
    .hgc-inputs {
        grid-template-columns: 1fr;
    }
}