*,*:before,*:after{box-sizing:border-box}:root{--radius: .625rem;--primary-color: #07a658;--primary-hover: #068c4a;--danger-color: #dc3545;--danger-hover: #c82333;--secondary-color: #6c757d;--secondary-hover: #5a6268;--info-color: #0d6efd;--border-color: #ddd;--error-color: #dc3545;--background-color: #f5f5f5;--text-color: #333333;--text-light: #666666;--card-bg: #ffffff;--card-header-bg: #f0f9f5;--card-header-color: #035c3a;--card-header-border: #d0e8dc;--input-bg: #ffffff;--input-border: #ddd;--input-text: #333333;--input-placeholder: #999999;--label-color: #444444;--remove-btn-bg: #fee7e7;--remove-btn-border: #fdd;--remove-btn-color: #e41e3f;--input-error-bg: #fff8f8;--input-error-text: #333333}body{font-family:system-ui,-apple-system,sans-serif;padding:1rem;background:var(--background-color);color:var(--text-color);max-width:1200px;margin:0 auto}h1{font-size:1.3rem;color:var(--primary-color);margin-bottom:1rem}.fuel-card{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:0 2px 8px #00000014;margin-bottom:.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;background:transparent;padding-bottom:.75rem;border:none;border-bottom:1px solid var(--border-color);margin-bottom:1rem}.header-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1.125rem;font-weight:600}.remove-btn{background:transparent;border:none;color:var(--danger-color);width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:2.5rem;transition:color .2s;margin-left:8px}.remove-btn:hover{color:var(--danger-hover)}.row-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:.5rem}.row-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:.5rem}@media(max-width:768px){.row-4{grid-template-columns:repeat(4,1fr)}.row-2{grid-template-columns:repeat(2,1fr)}}.input-group{display:flex;flex-direction:column}.input-group label{display:block;font-size:.9rem;color:var(--label-color);margin-bottom:.5rem}.input-with-unit{position:relative;display:flex;align-items:center;cursor:not-allowed}.input-with-unit .unit{position:absolute;right:12px;color:var(--text-light);pointer-events:none;-webkit-user-select:none;user-select:none}.form-control{width:100%;padding:10px 12px;border:1px solid var(--input-border);border-radius:calc(var(--radius) - .25rem);font-size:1rem;background:var(--input-bg);color:var(--input-text);transition:border-color .2s;box-sizing:border-box}.form-control:not([readonly]){background:var(--input-bg);color:var(--input-text)}.form-control::placeholder{color:var(--input-placeholder)}.form-control:focus{outline:none;border-color:var(--primary-color)}.form-control:read-only{background:var(--input-bg);color:var(--text-light);cursor:not-allowed}.form-control.error{border-color:var(--error-color);background-color:var(--input-error-bg);color:var(--input-error-text)}.form-control.error:focus{box-shadow:0 0 0 2px #dc354540}.button-group{display:flex;gap:8px;margin:.5rem 0;flex-wrap:wrap}.primary-button,.secondary-button,.danger-button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;border:none;border-radius:calc(var(--radius) - .125rem);cursor:pointer;transition:background-color .2s;color:#fff;width:100%}.primary-button{background-color:var(--primary-color)}.primary-button:hover{background-color:var(--primary-hover)}.secondary-button{background-color:var(--secondary-color)}.secondary-button:hover{background-color:var(--secondary-hover)}.danger-button{background-color:var(--danger-color)}.danger-button:hover{background-color:var(--danger-hover)}button:disabled{opacity:.6;cursor:not-allowed}input[name=type]{position:relative}input[name=type]::-webkit-calendar-picker-indicator{display:none}button[onclick="addRow()"]{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;font-size:1rem;background-color:#07a658;color:#fff;border:none;border-radius:var(--radius);cursor:pointer;transition:background-color .2s;margin-top:1rem}button[onclick="addRow()"]:hover{background-color:#068c4a}#summary{margin-top:1rem;padding:1rem;background:var(--card-bg);border-radius:var(--radius);box-shadow:0 2px 8px #0003;margin-bottom:.5rem}#summary p{margin:.25rem 0;font-size:1.1rem;color:var(--text-color)}#gsmSummary p{margin:.3rem 0;color:var(--text-light);font-size:1rem}@media(max-width:480px){body{padding:.5rem}.fuel-card{padding:1rem}.button-group{flex-direction:column}.primary-button,.secondary-button,.danger-button{width:100%}.row-4{grid-template-columns:repeat(4,1fr)}.row-2{grid-template-columns:repeat(2,1fr)}.input-group{margin-bottom:8px}}.fuel-card input,.fuel-card select{width:100%;padding:8px;border:1px solid var(--input-border);border-radius:calc(var(--radius) - .375rem);font-size:14px;color:var(--input-text);transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out}.fuel-card input:focus,.fuel-card select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #007bff40}.fuel-card input:read-only{background-color:var(--input-bg);cursor:not-allowed}.fuel-card input.error{border-color:var(--error-color);background-color:var(--input-error-bg);color:var(--input-error-text)}.fuel-card input.error:focus{box-shadow:0 0 0 2px #dc354540}#loader{z-index:1000}.export-btn{transition:background-color .2s}.export-btn:hover{background-color:var(--primary-hover)}.input-with-unit .form-control{padding-right:40px}.validation-error{color:var(--error-color);background-color:var(--input-error-bg);border:1px solid var(--error-color);font-size:.8rem;margin-top:4px;padding:.25rem .5rem;border-radius:calc(var(--radius) - .375rem);min-height:1.2em;margin-bottom:.5rem;box-sizing:border-box}.input-group .validation-error{position:static;width:auto;z-index:auto}.main-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;background:var(--card-bg);border-radius:var(--radius);box-shadow:0 2px 8px #00000014;padding:1.5rem}.main-header h1{font-size:1.5rem;color:var(--primary-color);margin:0;font-weight:700;letter-spacing:.02em}#themeToggleBtn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--primary-color);transition:color .2s;margin-left:1rem}#themeToggleBtn:hover{color:var(--primary-hover)}.help-section{margin-bottom:1.5rem;background:var(--card-bg);border-radius:var(--radius);box-shadow:0 1px 4px #0000000d;padding:.5rem 1rem}.help-section details summary{cursor:pointer;font-weight:600;color:var(--primary-color);outline:none}.help-section ul{margin:.5rem 0 0 1.2rem;padding:0;color:var(--text-light);font-size:1rem}.fab{position:fixed;z-index:1001;background:var(--primary-color);color:#fff;border:none;box-shadow:0 2px 8px #00000026;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.fab:hover{background:var(--primary-hover)}.feedback-btn{inset:auto auto 20px 20px;border-radius:50%;width:52px;height:52px;font-size:2rem}.modal{display:flex;align-items:center;justify-content:center;position:fixed;inset:0;background:#0009;z-index:2000}.modal-content{background:var(--card-bg);border-radius:var(--radius);padding:1.5rem;width:100%;max-width:480px;box-shadow:0 4px 24px #0000002e;position:relative;display:flex;flex-direction:column;gap:1.5rem}@media(max-width:600px){.modal-content{max-width:95vw}}.modal-content h2{margin:0;padding-bottom:1rem;border-bottom:1px solid var(--border-color);color:var(--text-color);font-size:1.25rem;font-weight:600}#feedbackText{width:100%;min-height:120px;border:1px solid var(--input-border);border-radius:calc(var(--radius) - .25rem);padding:.75rem;font-size:1rem;background:var(--input-bg);color:var(--input-text);resize:vertical}.feedback-status{margin-top:0;font-size:1rem;color:var(--primary-color);min-height:1.2em}.toast{position:fixed;top:24px;left:50%;transform:translate(-50%,-150%);min-width:350px;max-width:500px;padding:1rem 1.5rem;border-radius:var(--radius);background-color:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;z-index:3000;opacity:0;transition:opacity .4s cubic-bezier(.25,1,.5,1),transform .4s cubic-bezier(.25,1,.5,1);display:flex;align-items:center;gap:.75rem}.toast.show{opacity:1;transform:translate(-50%)}.toast .toast-icon{flex-shrink:0;width:24px;height:24px}.toast.success .toast-icon{color:var(--primary-color)}.toast.error .toast-icon{color:var(--danger-color)}.toast.info .toast-icon{color:var(--info-color)}[data-theme=dark] .toast{box-shadow:0 10px 15px -3px #0003,0 4px 6px -4px #0003}.csv-btn{inset:auto 20px 20px auto;border-radius:var(--radius);min-width:140px;height:44px;font-size:1.1rem;padding:0 20px;text-align:center}#csvModal .modal-content,#feedbackModal .modal-content{min-width:320px;align-items:stretch}#csvModal .csv-actions{display:flex;flex-direction:column;gap:.75rem}#csvModal .primary-button{max-width:100%}.bottom-safe-area{margin-bottom:120px}[data-theme=dark]{--primary-color: #07a658;--primary-hover: #068c4a;--danger-color: #ef4444;--danger-hover: #dc2626;--secondary-color: #64748b;--secondary-hover: #475569;--info-color: #3b82f6;--border-color: #27272a;--error-color: #ef4444;--background-color: #0a0a0a;--text-color: #fafafa;--text-light: #a1a1aa;--card-bg: #171717;--card-header-bg: transparent;--card-header-color: #fafafa;--card-header-border: transparent;--input-bg: #27272a;--input-border: #3f3f46;--input-text: #fafafa;--input-placeholder: #71717a;--label-color: #a1a1aa;--remove-btn-bg: #3f3f46;--remove-btn-border: #3f3f46;--remove-btn-color: #ef4444;--input-error-bg: #27272a;--input-error-text: #fafafa}.modal-close{position:absolute;top:1rem;right:1rem;background:transparent;border:none;color:var(--danger-color);width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:2.5rem;transition:color .2s}.modal-close:hover{color:var(--danger-hover)}.csv-btn:hover{background:var(--primary-hover)}.app-footer{margin:1rem 0 4.5rem;text-align:center}.app-version{display:inline-block;font-size:.8125rem;color:var(--text-light);opacity:.85}