.calculator {
            max-width: 600px;
            margin: 2rem auto;
            padding: 2rem;
            background: var(--surface-elevated);
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .input-group {
            margin-bottom: 1.5rem;
        }

        .input-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .input-group input[type="number"] {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .input-group input[type="number"]:focus {
            border-color: var(--proc-primary);
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
            outline: none;
        }

        .range-container {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .range-container input[type="range"] {
            flex: 1;
            height: 8px;
            -webkit-appearance: none;
            background: linear-gradient(to right, var(--deadline-red), var(--proc-warning), var(--productivity-green));
            border-radius: 4px;
            outline: none;
        }

        .range-container input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 24px;
            height: 24px;
            background: var(--proc-primary);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }

        .range-value {
            min-width: 60px;
            font-weight: 600;
            color: var(--proc-primary);
        }

        button {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, var(--proc-primary), var(--lazy-purple));
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
        }

        .results {
            max-width: 600px;
            margin: 2rem auto;
            padding: 2rem;
            background: var(--surface-elevated);
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            display: none;
            animation: slideIn 0.5s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem;
            margin-bottom: 0.5rem;
            background: rgba(139, 92, 246, 0.1);
            border-radius: 8px;
        }

        .result-label {
            font-weight: 600;
            color: var(--text-primary);
        }

        .result-value {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--proc-primary);
        }

        .explanation {
            margin-top: 2rem;
            padding: 1.5rem;
            background: rgba(139, 92, 246, 0.05);
            border-radius: 8px;
        }

        .explanation h3 {
            margin-bottom: 1rem;
            color: var(--proc-primary);
        }

        .highlight {
            color: var(--proc-primary);
            font-weight: 600;
        }

        .loading {
            position: relative;
            pointer-events: none;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }