.hours-table { width: 100%; border-collapse: collapse; }
            .hours-table th, .hours-table td { padding: 10px; text-align: left; border-bottom: 1px solid #ddd; }
            .hours-table input[type="time"] { width: 100px; }
            
            /* Time Validation Error Styles */
            .time-error {
                color: #EF4444;
                font-size: 13px;
                margin-top: 4px;
                display: block;
                font-weight: 500;
            }
            
            .serenity-day-row.has-error {
                background-color: #FEF2F2;
                padding: 12px;
                border-radius: 6px;
                margin-bottom: 8px;
            }
            
            .serenity-day-row.has-error .serenity-time-input {
                border-color: #EF4444 !important;
                background-color: #FFF;
            }