:root{--primary-color:#1a365d;--secondary-color:#2b6cb0;--accent-color:#4299e1;--success-color:#38a169;--warning-color:#d69e2e;--error-color:#e53e3e;--text-color:#2d3748;--text-light:#718096;--bg-color:#fff;--bg-secondary:#f7fafc;--border-color:#e2e8f0;--shadow:0 1px 3px 0 #0000001a, 0 1px 2px 0 #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;overflow-x:hidden}body{color:var(--text-color);background-color:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;overflow-x:hidden}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4,h5,h6{color:var(--primary-color);font-weight:600;line-height:1.3}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}a{color:var(--secondary-color);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:.375rem;width:100%;padding:.5rem .75rem;font-family:inherit;font-size:1rem;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 3px #4299e133}input:disabled,select:disabled,textarea:disabled{background-color:var(--bg-secondary);cursor:not-allowed}label{color:var(--text-color);margin-bottom:.25rem;font-size:.875rem;font-weight:500;display:block}.btn{cursor:pointer;border:none;border-radius:.375rem;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--secondary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-color)}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--border-color)}.btn-danger{background-color:var(--error-color);color:#fff}.btn-danger:hover:not(:disabled){background-color:#c53030}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.card{background-color:var(--bg-color);box-shadow:var(--shadow);border-radius:.5rem;padding:1.5rem}@media (max-width:480px){.card{border-radius:.375rem;padding:1rem}}.container{box-sizing:border-box;max-width:min(1200px,100%);margin:0 auto;padding:0 1rem}@media (max-width:480px){.container{padding:0 .5rem}}.text-center{text-align:center}.text-right{text-align:right}.text-light{color:var(--text-light)}.text-error{color:var(--error-color)}.text-success{color:var(--success-color)}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.form-group{margin-bottom:1rem}.form-error{color:var(--error-color);margin-top:.25rem;font-size:.875rem}.radio-card{border:2px solid var(--border-color);cursor:pointer;border-radius:.5rem;align-items:flex-start;padding:1rem;transition:border-color .15s,background-color .15s;display:flex}.radio-card:hover{border-color:var(--accent-color)}.radio-card.selected{border-color:var(--secondary-color);background-color:#2b6cb00d}.radio-card input[type=radio]{width:auto;margin-top:.25rem;margin-right:.75rem}.radio-card-content{flex:1}.radio-card-title{margin-bottom:.25rem;font-weight:500}.radio-card-description{color:var(--text-light);font-size:.875rem}.stepper{-webkit-overflow-scrolling:touch;justify-content:center;margin-bottom:2rem;padding:.5rem 1rem;display:flex;overflow-x:auto}.stepper-step{flex-shrink:0;align-items:center;display:flex}.stepper-step:after{content:"";background-color:var(--border-color);width:3rem;height:2px;margin:0 .5rem}.stepper-step:last-child:after{display:none}.stepper-circle{background-color:var(--border-color);width:2rem;height:2rem;color:var(--text-light);border-radius:50%;justify-content:center;align-items:center;font-size:.875rem;font-weight:500;display:flex}.stepper-step.active .stepper-circle{background-color:var(--secondary-color);color:#fff}.stepper-step.completed .stepper-circle{background-color:var(--success-color);color:#fff}.stepper-step.completed:after{background-color:var(--success-color)}.stepper-step.clickable{cursor:pointer}.stepper-step.clickable:hover .stepper-circle{transform:scale(1.1);box-shadow:0 2px 8px #00000026}.stepper-step.clickable:focus{outline:none}.stepper-step.clickable:focus .stepper-circle{box-shadow:0 0 0 3px rgba(var(--primary-color-rgb,45, 95, 137), .3)}.stepper-circle{transition:transform .2s,box-shadow .2s}.stepper-label{display:none}@media (max-width:480px){.stepper{padding:.5rem}.stepper-step:after{width:1.5rem;margin:0 .25rem}.stepper-circle{width:1.5rem;height:1.5rem;font-size:.7rem}}@media (min-width:768px){.stepper-label{color:var(--text-light);margin-left:.5rem;font-size:.875rem;display:block}.stepper-step.active .stepper-label{color:var(--secondary-color);font-weight:500}}.calendar{border:1px solid var(--border-color);border-radius:.5rem;width:100%;overflow:hidden}.calendar-header{background-color:var(--primary-color);color:#fff;justify-content:space-between;align-items:center;padding:.75rem 1rem;display:flex}.calendar-grid{grid-template-columns:repeat(7,1fr);display:grid}.calendar-day-header{text-align:center;color:var(--text-light);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:.5rem;font-size:.75rem;font-weight:500}.calendar-day{text-align:center;border:1px solid var(--border-color);cursor:pointer;border-top:none;border-left:none;min-height:3.5rem;padding:.5rem .25rem;transition:background-color .15s}.calendar-day:hover{background-color:var(--bg-secondary)}.calendar-day.empty{background-color:var(--bg-secondary);cursor:default}.calendar-day.has-hours{background-color:#38a1691a}.calendar-day.weekend,.calendar-day.holiday{background-color:#e53e3e0d}.calendar-day.weekend.has-hours,.calendar-day.holiday.has-hours{background-color:#e53e3e1a}.calendar-day.weekend .calendar-day-number,.calendar-day.holiday .calendar-day-number{color:var(--error-color);font-weight:500}.calendar-day-number{color:var(--text-light);font-size:.75rem}.calendar-day-hours{color:var(--success-color);font-size:.875rem;font-weight:500}@media (max-width:480px){.calendar-header{padding:.5rem;font-size:.875rem}.calendar-day-header{padding:.25rem 0;font-size:.6rem}.calendar-day{min-height:2.5rem;padding:.125rem}.calendar-day-number{font-size:.6rem}.calendar-day-hours{font-size:.65rem}}.modal-overlay{z-index:1000;background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background-color:var(--bg-color);box-shadow:var(--shadow-lg);border-radius:.5rem;width:90%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.modal-title{font-size:1.125rem;font-weight:600}.modal-close{cursor:pointer;color:var(--text-light);background:0 0;border:none;font-size:1.5rem}.modal-body{padding:1.5rem}.modal-footer{border-top:1px solid var(--border-color);justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;display:flex}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border-color);padding:.75rem}.table th{color:var(--text-light);background-color:var(--bg-secondary);font-size:.875rem;font-weight:500}.table tbody tr:hover{background-color:var(--bg-secondary)}.spinner{border:3px solid var(--border-color);border-top-color:var(--secondary-color);border-radius:50%;width:2rem;height:2rem;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{justify-content:center;align-items:center;padding:3rem;display:flex}.tabs{border-bottom:1px solid var(--border-color);margin-bottom:1rem;display:flex;overflow-x:auto}.tab{color:var(--text-light);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:.75rem 1rem;font-size:.875rem;font-weight:500;transition:color .15s,border-color .15s}.tab:hover{color:var(--text-color)}.tab.active{color:var(--secondary-color);border-bottom-color:var(--secondary-color)}.alert{border-radius:.375rem;margin-bottom:1rem;padding:1rem}.alert-error{border:1px solid var(--error-color);color:var(--error-color);background-color:#e53e3e1a}.alert-success{border:1px solid var(--success-color);color:var(--success-color);background-color:#38a1691a}.alert-warning{border:1px solid var(--warning-color);color:#744210;background-color:#d69e2e1a}.eligibility-check{padding:1rem 0}.eligibility-header{text-align:center;border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1rem}.eligibility-header h2{color:var(--warning-color);margin-bottom:.5rem}.eligibility-header p{color:var(--text-light);margin:0}.eligibility-step{margin-top:1.5rem}.step-header{margin-bottom:1.5rem}.step-indicator{color:var(--primary-color);background:#3498db1a;border-radius:12px;margin-bottom:.5rem;padding:.25rem .75rem;font-size:.75rem;font-weight:600;display:inline-block}.step-header h3{margin:.5rem 0}.step-description{color:var(--text-light);margin-top:.25rem;font-size:.9rem}.completed-steps{color:var(--success-color);margin-bottom:1rem;font-size:.875rem}.completed-check{color:var(--success-color);font-weight:700}.eligibility-options{flex-direction:column;gap:.75rem;display:flex}.eligibility-option{text-align:left;border:2px solid var(--border-color);cursor:pointer;background:#fff;border-radius:8px;width:100%;padding:1rem 1.25rem;transition:all .2s;display:block}.eligibility-option:hover{border-color:var(--primary-color);background:#3498db0d}.eligibility-option--warning:hover{border-color:var(--warning-color);background:#d69e2e0d}.option-content strong{color:var(--text-color);margin-bottom:.25rem;display:block}.option-content p{color:var(--text-light);margin:0;font-size:.875rem}.hmrc-guidance{background:var(--bg-secondary);border-left:4px solid var(--primary-color);border-radius:8px;margin-top:1.5rem;padding:1rem}.hmrc-guidance h4{text-transform:uppercase;color:var(--text-light);letter-spacing:.5px;margin:0 0 .5rem;font-size:.8rem}.hmrc-guidance blockquote{color:var(--text-light);margin:0;font-size:.9rem;font-style:italic}.hmrc-guidance cite{color:var(--primary-color);margin-top:.5rem;font-size:.8rem;font-style:normal;display:block}.eligibility-result{text-align:center;padding:1rem 0}.result-icon{margin-bottom:1rem;font-size:3rem}.eligibility-result h3{margin-bottom:1rem}.eligibility-result--passed h3{color:var(--success-color)}.eligibility-result--failed h3{color:var(--error-color)}.eligibility-summary{text-align:left;background:var(--bg-secondary);border-radius:8px;margin:1rem 0;padding:1rem;line-height:1.8}.disqualification-reason{border:1px solid var(--error-color);text-align:left;background:#e53e3e1a;border-radius:8px;margin-bottom:1rem;padding:1rem}.disqualification-explanation{text-align:left;color:var(--text-light);margin-bottom:1rem}.hmrc-reference{color:var(--text-light);margin-bottom:1.5rem;font-size:.875rem}.alternative-options{text-align:left;background:var(--bg-secondary);border-radius:8px;margin-bottom:1.5rem;padding:1rem}.alternative-options h4{margin:0 0 .75rem}.alternative-options ul{margin:0;padding-left:1.25rem}.alternative-options li{margin-bottom:.5rem}.link-button{color:var(--primary-color);cursor:pointer;font-size:inherit;background:0 0;border:none;padding:0;text-decoration:underline}.what-you-can-claim{text-align:left;margin:1.5rem 0}.what-you-can-claim h4{margin-bottom:1rem}.claim-columns{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.claim-column{border-radius:8px;padding:1rem}.claim-column h5{margin:0 0 .5rem;font-size:.9rem}.claim-column--allowed{border:1px solid var(--success-color);background:#38a1691a}.claim-column--not-allowed{border:1px solid var(--error-color);background:#e53e3e1a}.claim-column ul{margin:0;padding-left:1.25rem;font-size:.875rem}.claim-column li{margin-bottom:.25rem}.claim-tip{border:1px solid var(--primary-color);background:#3498db1a;border-radius:8px;margin-top:1rem;padding:.75rem 1rem;font-size:.875rem}.eligibility-actions{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:1.5rem;padding-top:1.5rem;display:flex}.eligibility-nav{border-top:1px solid var(--border-color);margin-top:2rem;padding-top:1.5rem}.additional-costs-calculator{padding:.5rem 0}.additional-costs-calculator h2{margin-bottom:.5rem}.calculator-intro{color:var(--text-light);margin-bottom:1.5rem}.calculator-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;margin-bottom:1.5rem;padding:1.5rem}.calculator-section h3{margin:0 0 .5rem;font-size:1.1rem}.calculator-section>p{color:var(--text-light);margin-bottom:1rem;font-size:.9rem}.form-row{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1rem;display:grid}.form-hint{color:var(--text-light);margin-top:.25rem;font-size:.75rem;display:block}.equipment-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem;margin-bottom:1rem;display:grid}.equipment-item{border:2px solid var(--border-color);background:#fff;border-radius:8px;padding:.75rem;transition:all .2s}.equipment-item--selected{border-color:var(--primary-color);background:#3498db0d}.equipment-item--custom{border-style:dashed}.equipment-checkbox{cursor:pointer;align-items:center;gap:.5rem;display:flex}.equipment-checkbox input{width:auto;margin:0}.equipment-name{font-weight:500}.equipment-details{border-top:1px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.75rem;padding-top:.75rem;display:flex}.equipment-power label,.equipment-hours label{color:var(--text-light);align-items:center;gap:.25rem;font-size:.8rem;display:flex}.equipment-power input,.equipment-hours input{width:60px;padding:.25rem .5rem;font-size:.8rem}.equipment-remove{color:var(--error-color);cursor:pointer;background:0 0;border:none;margin-left:auto;padding:0 .25rem;font-size:1.25rem}.btn-add-custom{margin-top:.5rem}.add-custom-form{border:2px dashed var(--border-color);background:#fff;border-radius:8px;margin-top:1rem;padding:1rem}.add-custom-form h4{margin:0 0 1rem;font-size:1rem}.form-actions{justify-content:flex-end;gap:.5rem;margin-top:1rem;display:flex}.calculation-summary{border:1px solid var(--border-color);background:#fff;border-radius:8px;margin-top:1rem;padding:1rem}.calculation-summary h4{color:var(--text-light);margin:0 0 .5rem;font-size:.9rem}.summary-table{border-collapse:collapse;width:100%}.summary-table td{padding:.5rem 0}.summary-table td:last-child{text-align:right;font-weight:500}.summary-subtotal td{border-top:1px solid var(--border-color);font-weight:500}.summary-total td{border-top:2px solid var(--text-color);font-size:1.1rem;font-weight:700}.radio-group{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.radio-option{cursor:pointer;align-items:center;gap:.5rem;display:flex}.radio-option input{width:auto;margin:0}.info-box{border-radius:8px;margin-top:1rem;padding:1rem}.info-box--warning{border:1px solid var(--warning-color);background:#d69e2e1a}.heating-details{margin-top:1rem}.calculator-summary-section{background:#fff}.summary-table--final .summary-total td{color:var(--primary-color)}.flat-rate-comparison{margin-top:1.5rem}.comparison-box{text-align:center;border-radius:8px;padding:1.5rem}.comparison-box h4{margin:0 0 1rem}.comparison-box--warning{border:2px solid var(--warning-color);background:#d69e2e1a}.comparison-box--success{border:2px solid var(--success-color);background:#38a1691a}.comparison-table{text-align:left;width:auto;margin:0 auto 1rem}.comparison-difference td{color:var(--success-color);font-weight:700}.comparison-note{color:var(--text-light);margin-top:.5rem;font-size:.875rem}.calculator-actions{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:2rem;padding-top:1.5rem;display:flex}.badge{border-radius:4px;padding:.25rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.badge-success{background:var(--success-color);color:#fff}@media (max-width:600px){.claim-columns,.equipment-grid{grid-template-columns:1fr}.eligibility-actions,.calculator-actions{flex-direction:column;gap:.75rem}.eligibility-actions .btn,.calculator-actions .btn{width:100%}}.eim-info-note{border-left:4px solid var(--primary-color);background:#3498db1a;border-radius:0 8px 8px 0;padding:1rem 1.25rem}.eim-info-note h3{color:var(--primary-color);margin:0 0 .75rem;font-size:1rem}.eim-info-note p{margin:0 0 .75rem;font-size:.9rem;line-height:1.5}.eim-info-note p:last-child{margin-bottom:0}.eim-actions{border-top:1px solid #3498db33;margin-top:1rem;padding-top:1rem}.eim-flat-rate-note{border:1px solid var(--success-color);background:#38a1691a;border-radius:6px;padding:.75rem}.suggested-periods{background:var(--bg-secondary);border-radius:8px;margin-bottom:1.5rem;padding:1rem}.suggested-periods-label{color:var(--text-light);margin:0 0 .75rem;font-size:.875rem;font-weight:500}.suggested-periods-buttons{flex-wrap:wrap;gap:.5rem;display:flex}.btn-suggested-period{border:1px solid var(--border-color);color:var(--text-color);cursor:pointer;background:#fff;border-radius:6px;padding:.5rem 1rem;font-size:.875rem;transition:all .15s}.btn-suggested-period:hover{border-color:var(--primary-color);color:var(--primary-color);background:#3498db0d}.btn-suggested-period:active{transform:scale(.98)}@media (max-width:600px){.suggested-periods-buttons{flex-direction:column}.btn-suggested-period{text-align:left;width:100%}}
