.time-input-group {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .duration-result {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1.2;
            text-align: center;
            padding: 1rem;
            background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
            border-radius: 12px;
            border: 1px solid #dee2e6;
        }
        .duration-label {
            font-size: 1rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .breakdown-item {
            text-align: center;
            padding: 1rem;
            background: white;
            border-radius: 8px;
            border: 1px solid #e9ecef;
            transition: transform 0.2s;
        }
        .breakdown-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .breakdown-number {
            font-size: 2rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .breakdown-unit {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .time-preset {
            background-color: #f1f5f9;
            border: 1px solid #cbd5e1;
            border-radius: 20px;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            color: #334155;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-block;
            margin: 0.25rem;
        }
        .time-preset:hover {
            background-color: #e2e8f0;
            border-color: #94a3b8;
        }
        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
            margin: 0 0.5rem;
        }
        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .3s;
            border-radius: 24px;
        }
        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 18px;
            width: 18px;
            left: 3px;
            bottom: 3px;
            background-color: white;
            transition: .3s;
            border-radius: 50%;
        }
        input:checked + .toggle-slider {
            background-color: var(--primary-color);
        }
        input:checked + .toggle-slider:before {
            transform: translateX(26px);
        }
        .date-input {
            transition: opacity 0.3s, height 0.3s;
        }
        .date-input.hidden {
            opacity: 0;
            height: 0;
            overflow: hidden;
            margin: 0;
            padding: 0;
        }
        .expert-badge {
            background-color: #e9d8fd;
            color: #6b46c1;
            border-radius: 16px;
            padding: 0.2rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-right: 0.5rem;
        }