.duration-block {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 1rem;
            margin: 1rem 0;
            border-left: 5px solid #0d6efd;
        }
        .mode-tab {
            cursor: pointer;
            transition: all 0.2s;
        }
        .mode-pane {
            display: none;
        }
        .mode-pane.active-pane {
            display: block;
        }
        .weekday-badge {
            display: inline-block;
            background: #e9ecef;
            border-radius: 20px;
            padding: 0.2rem 0.8rem;
            font-size: 0.8rem;
        }
        .info-highlight {
            background: #e7f3ff;
            border-radius: 12px;
            padding: 1rem;
        }
        .calc-card {
            box-shadow: 0 2px 12px rgba(0,0,0,0.05);
            border: none;
            border-radius: 24px;
        }