:root { --brand-color: rgb(7, 65, 147); }
        body { font-family: 'Segoe UI', sans-serif; background: #f8fafc; margin: 0; }
        .container { width: 95%; max-width: 1400px; margin: 20px auto; background: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); box-sizing: border-box; }
        
        .input-container {
            display: inline-flex;
            align-items: baseline;
            justify-content: center;
            gap: 8px;
            margin: 20px auto 10px auto;
            background: #f1f5f9;
            border: 2px dashed #cbd5e1;
            border-radius: 12px;
            padding: 15px 30px;
            transition: all 0.2s;
            width: 100%;
            box-sizing: border-box;
        }
        .input-container:hover {
            border-color: var(--brand-color);
            background: #edf2f7;
        }
        .input-container.highlight {
            background: #dbeafe;
            border-color: var(--brand-color);
            transform: scale(1.01);
        }

        .manual-input { 
            width: auto;
            max-width: 500px;
            border: none; 
            font-size: 60px; 
            font-weight: 800; 
            color: var(--brand-color); 
            text-align: right; 
            background: transparent; 
            outline: none;
        }

        .unit-label {
            font-size: 40px;
            font-weight: 700;
            color: #64748b;
            user-select: none;
            white-space: nowrap;
        }

        .controls { display: flex; flex-direction: column; gap: 15px; margin: 20px 0; padding: 20px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; }
        .slider-wrapper { display: flex; gap: 15px; align-items: center; }

        .input-hint {
            font-size: 13px;
            color: #64748b;
            font-weight: 600;
            text-align: center;
            margin-top: 10px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .grid-header-hint {
            font-size: 0.85rem;
            font-weight: 600;
            color: #64748b;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; }
        
        .card { 
            position: relative;
            padding: 20px; 
            background: #f8fafc; 
            border: 2px solid #e2e8f0; 
            border-radius: 12px; 
            text-align: center; 
            cursor: pointer; 
            transition: all 0.2s ease; 
            pointer-events: auto;
        }
        .card:hover { 
            background: #ebf4ff; 
            border-color: var(--brand-color); 
            transform: translateY(-2px); 
            box-shadow: 0 4px 12px rgba(7, 65, 147, 0.1);
        }

        .card.active-card {
            background: #ebf4ff;
            border-color: var(--brand-color);
            box-shadow: 0 2px 6px rgba(7, 65, 147, 0.15);
        }
        
        .card-header {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-bottom: 4px;
            pointer-events: none;
        }

        .card-symbol { 
            font-size: 1.1rem; 
            font-weight: 800; 
            color: var(--brand-color); 
        }

        .card-icon {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color 0.2s;
        }
        .card:hover .card-icon {
            color: var(--brand-color);
        }

        .card-name { 
            display: block; 
            font-size: 0.8rem; 
            color: #64748b; 
            font-weight: 600; 
            margin-bottom: 12px; 
            pointer-events: none; 
            text-transform: uppercase;
        }

        .card-value { 
            font-size: 1.8em; 
            font-weight: bold; 
            color: var(--brand-color); 
            pointer-events: none; 
            margin-bottom: 6px;
        }

        .active-badge {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            background: var(--brand-color);
            color: #fff;
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.5px;
            pointer-events: none;
        }

        /* Media Query para Dispositivos Móveis (mantém o layout desktop intacto) */
        @media (max-width: 768px) {
            .container {
                width: 100%;
                margin: 0;
                border-radius: 0;
                padding: 12px;
            }
            .input-container {
                padding: 10px 15px;
            }
            .manual-input {
                font-size: 40px;
                max-width: 220px;
            }
            .unit-label {
                font-size: 28px;
            }
            .result-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card {
                padding: 12px;
            }
            .card-value {
                font-size: 1.4em;
            }
        }