#hc-karbon-ayak-izi {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    font-family: 'Outfit', sans-serif;
    max-width: 500px;
    margin: 20px auto;
    border: 1px solid #f0fdf4;
}

#hc-karbon-ayak-izi .hc-header h3 {
    margin: 0 0 5px;
    color: #166534;
    font-size: 1.4rem;
    font-weight: 800;
}

#hc-karbon-ayak-izi .hc-header p {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 25px;
}

#hc-karbon-ayak-izi .hc-eco-tabs {
    display: flex;
    background: #f1f5f9;
    padding: 5px;
    border-radius: 12px;
    margin-bottom: 25px;
}

#hc-karbon-ayak-izi .hc-eco-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 8px;
    color: #64748b;
    transition: all 0.2s;
}

#hc-karbon-ayak-izi .hc-eco-tab.active {
    background: #22c55e;
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
}

#hc-karbon-ayak-izi .hc-eco-panel {
    display: none;
}

#hc-karbon-ayak-izi .hc-eco-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

#hc-karbon-ayak-izi .hc-form-group label {
    display: block;
    font-weight: 700;
    color: #334155;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

#hc-karbon-ayak-izi input,
#hc-karbon-ayak-izi select {
    width: 100%;
    padding: 12px;
    border: 2px solid #f1f5f9;
    border-radius: 10px;
    background: #f8fafc;
    font-size: 1rem;
}

#hc-karbon-ayak-izi .hc-btn {
    width: 100%;
    background: #15803d;
    color: white;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    margin-top: 20px;
    cursor: pointer;
    transition: background 0.2s;
}

#hc-karbon-ayak-izi .hc-btn:hover {
    background: #166534;
}

#hc-karbon-ayak-izi .hc-result {
    margin-top: 30px;
    padding: 25px;
    background: #f0fdf4;
    border-radius: 20px;
    border: 1px solid #bbf7d0;
    display: none;
}

#hc-karbon-ayak-izi .hc-result.visible {
    display: block;
}

#hc-karbon-ayak-izi .hc-res-circle {
    text-align: center;
    margin-bottom: 20px;
}

#hc-karbon-ayak-izi .hc-res-label {
    font-size: 0.7rem;
    font-weight: 900;
    color: #15803d;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

#hc-karbon-ayak-izi .hc-res-main {
    font-size: 2.5rem;
    font-weight: 900;
    color: #166534;
}

#hc-karbon-ayak-izi .hc-res-main small {
    font-size: 1rem;
    opacity: 0.8;
}

#hc-karbon-ayak-izi .hc-tree-box {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    padding: 15px;
    border-radius: 15px;
    border: 1px solid #dcfce7;
}

#hc-karbon-ayak-izi .hc-tree-icon {
    font-size: 2rem;
}

#hc-karbon-ayak-izi .hc-tree-box p {
    margin: 0;
    font-size: 0.85rem;
    color: #64748b;
}

#hc-karbon-ayak-izi .hc-tree-box strong {
    font-size: 1.5rem;
    color: #15803d;
    display: block;
}