@import "https://fonts.googleapis.com/css2?family=Inconsolata:wght@300;400;700&display=swap";
@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@200;300;400;700&display=swap";
@import "https://fonts.googleapis.com/css2?family=PT+Sans+Narrow:wght@400;700&display=swap";
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:root{--background:#f0f2f5;--foreground:#1c1e21;--card-bg:#f7faff;--card-border:#dfe3e8;--primary:#0178f7;--primary-hover:#0056b3;--secondary:#6c757d;--secondary-hover:#545b62;--shadow:0 2px 8px #0000001a;--shadow-hover:0 8px 24px #0000001f;--scrollbar-thumb:#0003;--scrollbar-thumb-hover:#0006}@media (prefers-color-scheme:dark){:root{--background:#3a3a3a;--foreground:#e4e6eb;--secondary:#99a5af;--secondary-hover:#697179;--card-bg:#242526;--card-border:#525457;--shadow:0 2px 8px #0000004d;--shadow-hover:0 8px 24px #0006;--scrollbar-thumb:#fff3;--scrollbar-thumb-hover:#fff6}}body{color:var(--foreground);background:var(--background);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.container{max-width:1400px;margin:0 auto;padding:2rem}.header{text-align:center;margin-bottom:3rem}.header h1{letter-spacing:-.5px;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.header p{color:var(--secondary);font-size:1.1rem}.catalogue-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:2rem;display:grid}.sign-card{background:var(--card-bg);box-shadow:var(--shadow);cursor:pointer;border-radius:12px;flex-direction:column;transition:all .3s cubic-bezier(.25,.8,.25,1);display:flex;position:relative;overflow:hidden}.sign-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}.sign-image-wrapper{background:var(--background);aspect-ratio:1;border-bottom:1px solid var(--card-border);justify-content:center;align-items:center;padding:1.5rem;display:flex}.sign-image{object-fit:contain;filter:drop-shadow(0 4px 6px #0000001a);max-width:100%;max-height:100%;transition:transform .3s}.sign-card:hover .sign-image{transform:scale(1.05)}.sign-card.superseded{filter:grayscale();opacity:.68}.sign-card.superseded .sign-number{color:var(--secondary);text-decoration:line-through}.superseded-badge{color:#fff;z-index:6;background:#b02a37;border-radius:4px;padding:.2rem .5rem;font-size:.75rem;font-weight:700;position:absolute;top:8px;right:8px;box-shadow:0 2px 6px #0000001f}.sign-info{text-align:center;padding:1rem}.sign-number{color:var(--foreground);margin-bottom:.25rem;font-size:1.1rem;font-weight:700}.sign-name{color:var(--secondary);-webkit-line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;min-height:2.4em;font-size:.85rem;display:-webkit-box;overflow:hidden}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background-color:#000000bf;justify-content:center;align-items:center;padding:20px;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:var(--card-bg);border-radius:16px;width:90%;max-width:1000px;max-height:90vh;animation:.3s ease-out slideUp;position:relative;overflow-y:auto;box-shadow:0 25px 50px -12px #00000040}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-close{cursor:pointer;color:var(--secondary);z-index:10;background:0 0;border:none;font-size:2rem;line-height:1;transition:color .2s;position:absolute;top:15px;right:20px}.modal-close:hover{color:var(--foreground)}.modal-body{flex-direction:column;display:flex}@media (min-width:768px){.modal-body{flex-direction:row;height:600px}}.modal-image-container{background:#e9e9e9;flex:1.2;justify-content:center;align-items:center;padding:2rem;display:flex;position:relative}.modal-image{object-fit:contain;filter:drop-shadow(0 10px 15px #0000001a);max-width:100%;max-height:100%}.superseded-stamp{background:var(--secondary);color:#fff;letter-spacing:1px;z-index:30;pointer-events:none;text-align:center;border-radius:6px;width:calc(100% - 4rem);max-width:720px;padding:.35rem 1rem;font-size:1rem;font-weight:800;position:absolute;top:12px;left:50%;transform:translate(-50%);box-shadow:0 6px 18px #0000001f}@media (max-width:768px){.superseded-stamp{width:calc(100% - 3rem);padding:.3rem .8rem;font-size:.9rem}}.modal-details{flex-direction:column;flex:1;padding:2.5rem;display:flex;overflow-y:auto}.modal-title{color:var(--foreground);margin:0;font-size:2rem;font-weight:800}.modal-subtitle{color:var(--secondary);margin-top:.5rem;margin-bottom:2rem;font-family:monospace;font-size:1.1rem}.modal-info-section h3{text-transform:uppercase;letter-spacing:1px;color:var(--secondary);margin-top:1.5rem;margin-bottom:.5rem;font-size:.9rem}.modal-info-section p{color:var(--foreground);margin:0;line-height:1.6}.modal-link{color:var(--primary);font-weight:500;text-decoration:none}.modal-link:hover{text-decoration:underline}.modal-actions{gap:1rem;margin-top:auto;padding-top:2rem;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{border:2px solid var(--card-border);color:var(--foreground);background-color:#0000}.btn-secondary:hover{background-color:var(--background);border-color:var(--secondary)}.gallery-container{align-items:flex-start;gap:2rem;display:flex}.sidebar{background:var(--card-bg);border:1px solid var(--card-border);width:200px;box-shadow:var(--shadow);z-index:100;border-radius:8px;flex-shrink:0;max-height:calc(100vh - 180px);padding:1rem;position:sticky;top:160px;overflow-y:auto}.sidebar::-webkit-scrollbar{width:6px;height:6px}.sidebar::-webkit-scrollbar-track{background:0 0}.sidebar::-webkit-scrollbar-thumb{background-color:var(--scrollbar-thumb);border-radius:4px}.sidebar::-webkit-scrollbar-thumb:hover{background-color:var(--scrollbar-thumb-hover)}.sidebar h3{border-bottom:1px solid var(--card-border);margin-top:0;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.2rem}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar li{margin-bottom:.5rem}.sidebar a{color:var(--foreground);border-radius:4px;padding:.5rem;text-decoration:none;transition:background .2s;display:block}.sidebar a:hover{background:var(--background);color:var(--primary)}.main-content{flex:1;min-width:0}.category-section{margin-bottom:3rem;scroll-margin-top:8rem}.category-title{border-bottom:2px solid var(--card-border);color:var(--primary);margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.8rem}@keyframes flash-highlight{0%{transform:scale(1);box-shadow:0 0 #007bff00}50%{transform:scale(1.05);box-shadow:0 0 0 10px #007bff80}to{transform:scale(1);box-shadow:0 0 #007bff00}}.highlight-flash{z-index:10;border:2px solid var(--primary);animation:.8s ease-in-out 3 flash-highlight;position:relative}.download-container{display:inline-block;position:relative}.download-container .btn{width:100%}.download-menu{z-index:100;background:#fff;border:1px solid #ccc;border-radius:4px;min-width:150px;position:absolute;bottom:100%;left:0;overflow:hidden;box-shadow:0 2px 10px #0000001a}.download-item{text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:8px 16px;font-size:.9rem;display:block}.download-item:hover{background-color:#f0f0f0}@media (prefers-color-scheme:dark){.rm-image{filter:url(#dark-rm-matrix)}.invert-in-dark{filter:invert()}}.custom-svg-icon-wrapper svg text{fill:#000;stroke:none;font-family:Inconsolata,monospace;font-weight:300}.custom-svg-icon-wrapper.traffic-light-wrapper svg text{fill:#222!important;stroke:none!important;font-family:Times New Roman,Times,serif!important;font-weight:400!important}.custom-svg-icon-wrapper .svg-wrapper{transform:translateX(0%)rotate(var(--angle,0));transform-origin:50%;width:calc(var(--w,20px)*var(--map-icon-scale,1));height:calc(var(--h,20px)*var(--map-icon-scale,1));justify-content:center;align-items:center;display:flex}.custom-svg-icon-wrapper .svg-wrapper svg{width:100%;height:100%}.raw-point-debug{background:#ff0000e6;border:1px solid #fff;border-radius:50%;width:8px;height:8px;box-shadow:0 0 4px #f009}.custom-svg-icon-wrapper .svg-wrapper.cjk svg text{font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,sans-serif;font-weight:600}#loading-overlay{z-index:9999;background-color:#000c;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.spinner{border:6px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;width:60px;height:60px;margin-bottom:20px;animation:1s linear infinite spin}.loading-text{color:#fff;font-family:TransportMedium,sans-serif;font-size:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}