.vrt-calculator{max-width:640px;margin:0 auto;background:#fff;border-radius:16px;border:1px solid #e5e7eb;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.vrt-tabs{display:flex;background:#f3f4f6;padding:4px;gap:4px}.vrt-tab{flex:1;padding:10px 16px;border:none;border-radius:10px;background:#0000;font-size:14px;font-weight:600;color:#6b7280;cursor:pointer;transition:all .2s}.vrt-tab:hover{color:#1a1a2e}.vrt-tab-active{background:#fff;color:#007a3c;box-shadow:0 1px 3px #00000014}.vrt-standalone{padding:24px}.vrt-standalone-header{margin-bottom:24px}.vrt-standalone-header h3{font-size:18px;font-weight:800;color:#1a1a2e;margin:0 0 6px}.vrt-standalone-header p{font-size:13px;color:#6b7280;margin:0;line-height:1.5}.vrt-field{margin-bottom:20px}.vrt-field>label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#1a1a2e}.vrt-field-hint{display:block;font-weight:400;font-size:12px;color:#9ca3af;margin-top:2px}.vrt-field-note{font-size:12px;color:#6b7280;margin-top:6px;line-height:1.5}.vrt-field-note strong{color:#1a1a2e}.vrt-band-preview{color:#007a3c;font-weight:500}.vrt-warning{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:8px 12px;margin-top:8px;color:#92400e}.vrt-link-btn{background:none;border:none;color:#007a3c;font-weight:600;cursor:pointer;text-decoration:underline;padding:0;font-size:inherit}.vrt-input-with-prefix{display:flex;align-items:center;border:1.5px solid #e5e7eb;border-radius:10px;overflow:hidden;transition:border-color .15s}.vrt-input-with-prefix:focus-within{border-color:#00a651;box-shadow:0 0 0 3px #00a6511f}.vrt-prefix{padding:10px 0 10px 14px;font-size:15px;font-weight:600;color:#6b7280;-webkit-user-select:none;user-select:none}.vrt-input-with-prefix .vrt-input{border:none;border-radius:0;padding-left:4px;box-shadow:none}.vrt-input-with-prefix .vrt-input:focus{box-shadow:none;border-color:#0000}.vrt-unit{padding:10px 14px;font-size:13px;font-weight:600;color:#6b7280;white-space:nowrap}.vrt-toggle-group{display:grid;grid-template-columns:1fr 1fr;gap:6px}.vrt-toggle-4{grid-template-columns:1fr 1fr 1fr 1fr}@media (max-width:480px){.vrt-toggle-4{grid-template-columns:1fr 1fr}}.vrt-toggle-group button{padding:10px 12px;border:1.5px solid #e5e7eb;border-radius:8px;background:#fff;font-size:13px;font-weight:500;color:#6b7280;cursor:pointer;transition:all .15s}.vrt-toggle-group button:hover{border-color:#00a651}.vrt-toggle-group button.active{border-color:#00a651;background:#e8f7ee;color:#007a3c;font-weight:600}.vrt-nox-detail{font-size:12px;color:#6b7280;margin-top:4px;font-style:italic}.vrt-ev-badge{display:inline-block;background:#fff3;border-radius:20px;padding:4px 12px;font-size:12px;color:#fff;margin-top:8px;font-weight:600}.vrt-green{color:#007a3c!important}.vrt-row-note{font-style:italic}.vrt-bands-ref{margin:0;border-top:1px solid #e5e7eb}.vrt-bands-ref summary{padding:14px 24px;font-size:13px;font-weight:600;color:#6b7280;cursor:pointer;-webkit-user-select:none;user-select:none}.vrt-bands-ref summary:hover{color:#007a3c}.vrt-bands-table{padding:0 16px 16px;overflow-x:auto}.vrt-bands-table table{width:100%;border-collapse:collapse;font-size:13px}.vrt-bands-table th{text-align:left;padding:6px 10px;font-weight:600;color:#6b7280;border-bottom:2px solid #e5e7eb;font-size:11px;text-transform:uppercase;letter-spacing:.3px}.vrt-bands-table td{padding:5px 10px;color:#374151;border-bottom:1px solid 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#e5e7eb;border-radius:10px;background:#fff;cursor:pointer;font-size:14px;font-weight:500;color:#1a1a2e;text-align:left;transition:all .15s}.vrt-option-btn:hover{border-color:#00a651;background:#e8f7ee;color:#007a3c}.vrt-search-select{position:relative}.vrt-search-input{width:100%;padding:12px 16px;border:1.5px solid #e5e7eb;border-radius:10px;font-size:15px;color:#1a1a2e;outline:none;box-sizing:border-box}.vrt-search-input:focus{border-color:#00a651;box-shadow:0 0 0 3px #00a6511f}.vrt-search-results{margin-top:8px;max-height:320px;overflow-y:auto;border:1px solid #e5e7eb;border-radius:10px;background:#fff}.vrt-search-option{display:block;width:100%;padding:10px 16px;background:none;cursor:pointer;font-size:14px;text-align:left;color:#1a1a2e;border:none;border-bottom:1px solid #f3f4f6}.vrt-search-option:hover{background:#e8f7ee;color:#007a3c}.vrt-search-empty,.vrt-search-more{padding:12px 16px;font-size:13px;color:#9ca3af;text-align:center}.vrt-version-table{display:flex;flex-direction:column;gap:6px}.vrt-version-row{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1.5px solid #e5e7eb;border-radius:10px;background:#fff;cursor:pointer;transition:all .15s;text-align:left;width:100%}.vrt-version-row:hover{border-color:#00a651;background:#e8f7ee}.vrt-version-main strong{display:block;font-size:14px;color:#1a1a2e}.vrt-version-body{font-size:12px;color:#6b7280}.vrt-version-co2{font-size:13px;font-weight:600;color:#007a3c;white-space:nowrap}.vrt-version-nodata{color:#9ca3af;font-weight:400}.vrt-input-group{margin-bottom:20px}.vrt-input-group label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#1a1a2e}.vrt-input-group .optional{font-weight:400;color:#9ca3af;font-size:13px}.vrt-input-row{display:flex;gap:8px}.vrt-input{flex:1;padding:10px 14px;border:1.5px solid #e5e7eb;border-radius:10px;font-size:15px;color:#1a1a2e;outline:none;box-sizing:border-box}.vrt-input:focus{border-color:#00a651;box-shadow:0 0 0 3px #00a6511f}.vrt-toggle{display:flex;gap:2px;background:#f3f4f6;border-radius:8px;padding:2px}.vrt-toggle button{padding:8px 12px;border:none;border-radius:6px;background:#0000;font-size:13px;font-weight:600;color:#6b7280;cursor:pointer;transition:all .15s}.vrt-toggle button.active{background:#fff;color:#007a3c;box-shadow:0 1px 3px #0000001a}.vrt-hint{font-size:12px;color:#9ca3af;margin-top:6px;line-height:1.4}.vrt-calculate-btn{width:100%;padding:14px;background:#00a651;color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:background .15s;margin-top:8px}.vrt-calculate-btn:hover{background:#007a3c}.vrt-calculate-btn:disabled{background:#d1d5db;cursor:not-allowed}.vrt-reset-btn{width:100%;padding:12px;background:#f3f4f6;color:#1a1a2e;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;margin-top:16px}.vrt-reset-btn:hover{background:#e5e7eb}.vrt-loading{padding:48px 24px;text-align:center}.vrt-spinner{width:32px;height:32px;border:3px solid #e5e7eb;border-top-color:#00a651;border-radius:50%;animation:vrt-spin .8s linear infinite;margin:0 auto 12px}@keyframes vrt-spin{to{transform:rotate(1turn)}}.vrt-loading p{font-size:14px;color:#6b7280}.vrt-error{padding:12px 16px;background:#fef2f2;border-bottom:1px solid #fecaca;display:flex;justify-content:space-between;align-items:center}.vrt-error p{font-size:13px;color:#991b1b;margin:0}.vrt-error button{background:none;border:none;color:#991b1b;font-weight:600;cursor:pointer;font-size:13px}.vrt-result{padding:0}.vrt-result-total{background:#00a651;padding:32px 24px;text-align:center}.vrt-result-label{display:block;color:#ffffffb3;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.vrt-result-amount{display:block;color:#fff;font-size:48px;font-weight:800;line-height:1}.vrt-result-vehicle{display:block;color:#fff9;font-size:14px;margin-top:8px}.vrt-result-breakdown{padding:16px 24px;border-bottom:1px solid #e5e7eb}.vrt-result-breakdown h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#9ca3af;margin:0 0 12px}.vrt-row{display:flex;justify-content:space-between;padding:5px 0;font-size:14px;color:#6b7280}.vrt-row span:last-child{font-weight:600;color:#1a1a2e}.vrt-row-highlight{margin-top:8px;padding-top:8px;border-top:1px solid #f3f4f6}.vrt-row-highlight span:last-child{color:#007a3c;font-size:16px}.vrt-result-final{background:#f9fafb}.vrt-row-total{font-size:14px}.vrt-row-grand{margin-top:8px;padding-top:8px;border-top:2px solid #1a1a2e}.vrt-row-grand span{font-size:18px!important;font-weight:800!important;color:#1a1a2e!important}.vrt-disclaimer{padding:16px 24px;font-size:12px;color:#9ca3af;line-height:1.5;border-bottom:1px solid #e5e7eb}