:root{--govuk-blue: #1d70b8;--govuk-green: #00703c;--govuk-red: #d4351c;--govuk-yellow: #ffdd00;--govuk-black: #0b0c0c;--govuk-dark-grey: #505a5f;--govuk-mid-grey: #b1b4b6;--govuk-light-grey: #f3f2f1;--govuk-white: #ffffff;--govuk-brand: #228B22;--govuk-brand-dark: #1a6b1a;--govuk-link: #1d70b8;--govuk-link-hover: #003078;--govuk-link-visited: #4c2c92;--govuk-spacing-1: 5px;--govuk-spacing-2: 10px;--govuk-spacing-3: 15px;--govuk-spacing-4: 15px;--govuk-spacing-5: 15px;--govuk-spacing-6: 20px;--govuk-spacing-7: 25px;--govuk-spacing-8: 30px;--govuk-spacing-9: 40px;--govuk-font-size-80: 53px;--govuk-font-size-48: 32px;--govuk-font-size-36: 27px;--govuk-font-size-27: 21px;--govuk-font-size-24: 18px;--govuk-font-size-19: 16px;--govuk-font-size-16: 14px;--govuk-font-size-14: 12px;--govuk-touch-target-size: 44px;--sidebar-width: 320px;--header-height: 60px;--mobile-bar-height: 60px}@media(min-width:641px){:root{--govuk-spacing-4: 20px;--govuk-spacing-5: 25px;--govuk-spacing-6: 30px;--govuk-spacing-7: 40px;--govuk-spacing-8: 50px;--govuk-spacing-9: 60px;--govuk-font-size-80: 80px;--govuk-font-size-48: 48px;--govuk-font-size-36: 36px;--govuk-font-size-27: 27px;--govuk-font-size-24: 24px;--govuk-font-size-19: 19px;--govuk-font-size-16: 16px;--govuk-font-size-14: 14px}}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden}body{font-family:GDS Transport,arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--govuk-light-grey);font-size:var(--govuk-font-size-19);line-height:1.25}.govuk-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;margin:0!important;padding:0!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;-webkit-clip-path:inset(50%)!important;clip-path:inset(50%)!important;border:0!important;white-space:nowrap!important}.govuk-skip-link{position:absolute;width:1px;height:1px;margin:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;font-family:GDS Transport,arial,sans-serif;font-size:var(--govuk-font-size-16);text-decoration:underline;color:var(--govuk-black);background-color:var(--govuk-yellow);padding:var(--govuk-spacing-2) var(--govuk-spacing-3);z-index:10000}.govuk-skip-link:focus{position:fixed;top:0;left:0;width:auto;height:auto;margin:inherit;overflow:visible;clip:auto;clip-path:none;white-space:inherit}.govuk-header{background:var(--govuk-black);border-bottom:10px solid var(--govuk-brand);color:#fff;padding:var(--govuk-spacing-2) 0;position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-height)}.govuk-header__container{display:flex;align-items:center;justify-content:space-between;max-width:100%;padding:0 var(--govuk-spacing-3);height:100%}.govuk-header__logo{display:flex;align-items:center;gap:var(--govuk-spacing-2)}.govuk-header__link{font-weight:700;font-size:var(--govuk-font-size-19);color:var(--govuk-white);text-decoration:none;font-family:GDS Transport,arial,sans-serif;display:flex;align-items:center;gap:var(--govuk-spacing-2)}.govuk-header__link:hover{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:.1578em}.govuk-header__link:focus{outline:3px solid transparent;background:var(--govuk-yellow);box-shadow:0 -2px var(--govuk-yellow),0 4px var(--govuk-black);text-decoration:none;color:var(--govuk-black)}.govuk-header__link--homepage{font-size:var(--govuk-font-size-24)}.govuk-header__service-name{font-family:GDS Transport,arial,sans-serif;font-weight:700;font-size:var(--govuk-font-size-19);color:#fff}@media(min-width:641px){.govuk-header__link--homepage{font-size:var(--govuk-font-size-27)}.govuk-header__service-name{font-size:var(--govuk-font-size-24)}}.app-layout{display:flex;height:100vh;padding-top:var(--header-height)}.map-container{flex:1;position:relative}#map{width:100%;height:100%}.sidebar{width:var(--sidebar-width);background:var(--govuk-white);border-left:1px solid var(--govuk-mid-grey);display:none;flex-direction:column;overflow:hidden}@media(min-width:769px){.sidebar{display:flex}}.sidebar-tabs{display:flex;background:var(--govuk-light-grey);border-bottom:1px solid var(--govuk-mid-grey);padding:var(--govuk-spacing-1);gap:var(--govuk-spacing-1)}.sidebar-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:var(--govuk-spacing-2);background:transparent;border:none;border-radius:4px;cursor:pointer;font-family:GDS Transport,arial,sans-serif;font-size:var(--govuk-font-size-14);color:var(--govuk-dark-grey);min-height:var(--govuk-touch-target-size);transition:background-color .15s,color .15s}.sidebar-tab svg{width:20px;height:20px}.sidebar-tab:hover{background:var(--govuk-white);color:var(--govuk-black)}.sidebar-tab:focus{outline:3px solid var(--govuk-yellow);outline-offset:0;background:var(--govuk-yellow);color:var(--govuk-black)}.sidebar-tab.active{background:var(--govuk-white);color:var(--govuk-brand);font-weight:700}.sidebar-tab.tracking{color:var(--govuk-blue);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.sidebar-content{flex:1;overflow-y:auto;padding:var(--govuk-spacing-3)}.tab-panel{display:none}.tab-panel.active{display:block}.tab-panel-title{font-size:var(--govuk-font-size-24);font-weight:700;margin:0 0 var(--govuk-spacing-3);color:var(--govuk-black)}.search-input-row{margin-bottom:var(--govuk-spacing-3)}.search-input{width:100%;padding:var(--govuk-spacing-2);font-size:var(--govuk-font-size-19);font-family:GDS Transport,arial,sans-serif;border:2px solid var(--govuk-black);border-radius:0}.search-input:focus{outline:3px solid var(--govuk-yellow);outline-offset:0;border-color:var(--govuk-black)}.search-results{display:flex;flex-direction:column;gap:2px}.search-result-item{padding:var(--govuk-spacing-2) var(--govuk-spacing-3);background:var(--govuk-light-grey);border-left:4px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s}.search-result-item:hover,.search-result-item.active{background:var(--govuk-white);border-left-color:var(--govuk-brand)}.search-result-item:focus{outline:3px solid var(--govuk-yellow);outline-offset:-3px}.result-name{display:block;font-weight:700;color:var(--govuk-black);font-size:var(--govuk-font-size-16)}.result-details{display:block;font-size:var(--govuk-font-size-14);color:var(--govuk-dark-grey);margin-top:2px}.search-loading,.search-no-results{padding:var(--govuk-spacing-3);text-align:center;color:var(--govuk-dark-grey);font-size:var(--govuk-font-size-16)}.explore-guide{background:var(--govuk-light-grey);border-left:4px solid var(--govuk-brand);padding:var(--govuk-spacing-3);margin-bottom:var(--govuk-spacing-3)}.explore-guide p{margin:0;font-size:var(--govuk-font-size-16);color:var(--govuk-dark-grey)}.explore-guide p:first-child{font-weight:700;color:var(--govuk-black);margin-bottom:var(--govuk-spacing-1)}.explore-guide.hidden{display:none}.location-postcode{font-size:var(--govuk-font-size-24);font-weight:700;color:var(--govuk-black);margin-bottom:var(--govuk-spacing-3)}.risk-alert{border-radius:4px;padding:var(--govuk-spacing-3);margin-bottom:var(--govuk-spacing-3)}.risk-alert-header{font-weight:700;font-size:var(--govuk-font-size-16);margin-bottom:var(--govuk-spacing-2)}.risk-layer-list{display:flex;flex-direction:column;gap:var(--govuk-spacing-2)}.risk-layer-item{display:flex;align-items:center;justify-content:space-between;padding:var(--govuk-spacing-2);background:#ffffff80;border-radius:4px;font-size:var(--govuk-font-size-16)}.safe-alert{background:var(--govuk-light-grey);border-left:4px solid var(--govuk-green);padding:var(--govuk-spacing-3);margin-bottom:var(--govuk-spacing-3)}.safe-alert-header{font-weight:700;font-size:var(--govuk-font-size-16);color:var(--govuk-black);margin-bottom:var(--govuk-spacing-2)}.safe-layer-list{display:flex;flex-direction:column;gap:var(--govuk-spacing-1)}.safe-layer-item{display:flex;align-items:center;justify-content:space-between;font-size:var(--govuk-font-size-14);color:var(--govuk-dark-grey);padding:var(--govuk-spacing-1) 0}.risk-layer-info,.safe-layer-info{background:transparent;border:none;padding:var(--govuk-spacing-1);cursor:pointer;color:currentColor;opacity:.7;display:flex;align-items:center;justify-content:center}.risk-layer-info:hover,.safe-layer-info:hover{opacity:1}.risk-layer-info:focus,.safe-layer-info:focus{outline:3px solid var(--govuk-yellow);background:var(--govuk-yellow);color:var(--govuk-black)}.risk-layer-info svg,.safe-layer-info svg{width:20px;height:20px}.legend-section{margin-top:var(--govuk-spacing-4);padding-top:var(--govuk-spacing-3);border-top:1px solid var(--govuk-mid-grey)}.legend-basemap{display:flex;gap:var(--govuk-spacing-4);font-size:var(--govuk-font-size-14);color:var(--govuk-dark-grey)}.legend-basemap span{display:flex;align-items:center;gap:var(--govuk-spacing-1)}.legend-basemap i{display:inline-block;width:16px;height:16px;border-radius:2px}.about-intro{font-size:var(--govuk-font-size-16);color:var(--govuk-dark-grey);margin-bottom:var(--govuk-spacing-4)}.about-section-title{font-size:var(--govuk-font-size-19);font-weight:700;margin:0 0 var(--govuk-spacing-2)}.about-list{margin:0 0 var(--govuk-spacing-4);padding-left:var(--govuk-spacing-4)}.about-list li{font-size:var(--govuk-font-size-16);color:var(--govuk-dark-grey);margin-bottom:var(--govuk-spacing-2)}.about-credits{background:var(--govuk-light-grey);padding:var(--govuk-spacing-3);margin-bottom:var(--govuk-spacing-3)}.about-credits p{margin:0;font-size:var(--govuk-font-size-14);color:var(--govuk-dark-grey)}.about-credits p:first-child{margin-bottom:var(--govuk-spacing-1)}.about-links{font-size:var(--govuk-font-size-14)}.about-link{color:var(--govuk-link)}.about-link:hover{color:var(--govuk-link-hover)}.about-link:focus{outline:3px solid var(--govuk-yellow);background:var(--govuk-yellow);color:var(--govuk-black)}.about-link-divider{margin:0 var(--govuk-spacing-2);color:var(--govuk-mid-grey)}.mobile-bottom-bar{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--govuk-black);border-top:4px solid var(--govuk-brand);height:var(--mobile-bar-height);z-index:1000}@media(min-width:769px){.mobile-bottom-bar{display:none}}.mobile-bar-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:transparent;border:none;color:var(--govuk-white);font-family:GDS Transport,arial,sans-serif;font-size:var(--govuk-font-size-14);cursor:pointer;min-height:var(--govuk-touch-target-size)}.mobile-bar-btn svg{width:24px;height:24px}.mobile-bar-btn:hover,.mobile-bar-btn.active{background:#ffffff1a}.mobile-bar-btn:focus{outline:3px solid var(--govuk-yellow);outline-offset:-3px}.mobile-bar-btn.tracking{color:var(--govuk-blue);animation:pulse 2s infinite}.mobile-panel{position:fixed;bottom:var(--mobile-bar-height);left:0;right:0;background:var(--govuk-white);border-top:1px solid var(--govuk-mid-grey);max-height:60vh;transform:translateY(100%);transition:transform .3s ease;z-index:999;display:flex;flex-direction:column}.mobile-panel.open{transform:translateY(0)}@media(min-width:769px){.mobile-panel{display:none}}.mobile-panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--govuk-spacing-3);border-bottom:1px solid var(--govuk-mid-grey);background:var(--govuk-light-grey)}.mobile-panel-header h3{margin:0;font-size:var(--govuk-font-size-19);font-weight:700}.mobile-panel-close{background:transparent;border:none;font-size:24px;cursor:pointer;min-width:var(--govuk-touch-target-size);min-height:var(--govuk-touch-target-size);display:flex;align-items:center;justify-content:center;color:var(--govuk-dark-grey)}.mobile-panel-close:hover{color:var(--govuk-black)}.mobile-panel-close:focus{outline:3px solid var(--govuk-yellow);background:var(--govuk-yellow);color:var(--govuk-black)}.mobile-panel-content{flex:1;overflow-y:auto;padding:var(--govuk-spacing-3)}.loading-overlay{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:var(--govuk-white);display:flex;align-items:center;justify-content:center;z-index:500;font-size:var(--govuk-font-size-19);color:var(--govuk-dark-grey)}.loading-overlay.hidden{display:none}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:var(--govuk-spacing-4)}.modal-content{background:var(--govuk-white);max-width:500px;width:100%;max-height:80vh;overflow-y:auto;border-left:4px solid var(--govuk-brand)}.modal-header{padding:var(--govuk-spacing-3);border-bottom:1px solid var(--govuk-mid-grey);display:flex;align-items:center;justify-content:space-between}.modal-header h2{margin:0;font-size:var(--govuk-font-size-24)}.modal-close{background:transparent;border:none;font-size:24px;cursor:pointer;min-width:var(--govuk-touch-target-size);min-height:var(--govuk-touch-target-size);display:flex;align-items:center;justify-content:center}.modal-close:focus{outline:3px solid var(--govuk-yellow);background:var(--govuk-yellow)}.modal-body{padding:var(--govuk-spacing-4)}.modal-body p{margin:0 0 var(--govuk-spacing-3);font-size:var(--govuk-font-size-16);line-height:1.5}.modal-body p:last-child{margin-bottom:0}.toast-container{position:fixed;top:calc(var(--header-height) + var(--govuk-spacing-3));right:var(--govuk-spacing-3);z-index:10001;display:flex;flex-direction:column;gap:var(--govuk-spacing-2)}.toast{padding:var(--govuk-spacing-3);background:var(--govuk-black);color:var(--govuk-white);font-size:var(--govuk-font-size-16);max-width:300px;animation:slideIn .3s ease}.toast-info{border-left:4px solid var(--govuk-blue)}.toast-error{border-left:4px solid var(--govuk-red)}.toast-out{animation:slideOut .3s ease forwards}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOut{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.tracking-accuracy{font-size:var(--govuk-font-size-14);color:var(--govuk-blue);margin-top:var(--govuk-spacing-2);padding:var(--govuk-spacing-2);background:#e3f2fd;border-left:3px solid var(--govuk-blue)}.govuk-button{font-family:GDS Transport,arial,sans-serif;font-weight:700;font-size:var(--govuk-font-size-19);line-height:1;padding:var(--govuk-spacing-2) var(--govuk-spacing-3);border:2px solid transparent;border-radius:0;cursor:pointer;display:inline-block;text-decoration:none;background:var(--govuk-brand);color:var(--govuk-white);box-shadow:0 2px 0 var(--govuk-brand-dark);position:relative;top:0}.govuk-button:hover{background:var(--govuk-brand-dark)}.govuk-button:active{top:2px;box-shadow:none}.govuk-button:focus{outline:3px solid var(--govuk-yellow);outline-offset:0;background:var(--govuk-yellow);box-shadow:0 2px 0 var(--govuk-black);color:var(--govuk-black)}.intro-modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:var(--govuk-spacing-4)}.intro-modal.hidden{display:none}.intro-content{background:var(--govuk-white);max-width:400px;width:100%;border-left:4px solid var(--govuk-brand)}.intro-content h2{margin:0;padding:var(--govuk-spacing-4);font-size:var(--govuk-font-size-24);border-bottom:1px solid var(--govuk-mid-grey)}.intro-body{padding:var(--govuk-spacing-4)}.intro-body p{margin:0 0 var(--govuk-spacing-3);font-size:var(--govuk-font-size-16);color:var(--govuk-dark-grey);line-height:1.5}.intro-body .govuk-button{width:100%;text-align:center;margin-top:var(--govuk-spacing-2)}@media(max-width:768px){.map-container{height:calc(100vh - var(--header-height) - var(--mobile-bar-height))}}.maplibregl-ctrl-scale{font-family:GDS Transport,arial,sans-serif!important;font-size:var(--govuk-font-size-14)!important;border-color:var(--govuk-black)!important;background:#fffc!important}