:root{--asphalt:#121315;--asphalt2:#1b1d20;--line:#f5f1e6;--yellow:#ffd60a;--pothole:#ff3b5c;--crack:#00e5ff;--manhole:#b6ff3b;--muted:#8b8f96}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{font-family:ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;color:var(--line);
 background-color:var(--asphalt);
 background-image:
  radial-gradient(rgba(255,255,255,.05) 1px,transparent 1.4px),
  radial-gradient(rgba(0,0,0,.45) 1px,transparent 1.6px),
  radial-gradient(ellipse at 50% -10%,#2a2d31 0%,transparent 60%);
 background-size:7px 7px,11px 11px,100% 100%;background-position:0 0,3px 5px,0 0}
a{color:var(--yellow)}
.hazard{height:14px;background:repeating-linear-gradient(-45deg,var(--yellow) 0 18px,#0b0b0b 18px 36px);background-size:51px 14px;animation:roll 2.5s linear infinite}
.hazard.bottom{animation-direction:reverse}
@keyframes roll{to{background-position:51px 0}}
header{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;padding:22px 4vw}
.brand{display:flex;gap:14px;align-items:center}
.mark{width:52px;height:52px;color:var(--yellow);filter:drop-shadow(0 0 8px rgba(255,214,10,.6))}
h1{margin:0;font-size:clamp(28px,5vw,44px);letter-spacing:.08em;font-weight:900}
h1 span{color:var(--yellow);text-shadow:0 0 12px var(--yellow)}
.tag{margin:2px 0 0;color:var(--muted);font-size:13px}
.status{display:flex;gap:10px;align-items:center;padding:8px 14px;border:1px solid #33363b;border-radius:999px;background:rgba(0,0,0,.35);font-size:13px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--yellow);box-shadow:0 0 10px var(--yellow);animation:blink 1s infinite}
.dot.ok{background:var(--manhole);box-shadow:0 0 10px var(--manhole);animation:none}
.dot.err{background:var(--pothole);box-shadow:0 0 10px var(--pothole);animation:none}
@keyframes blink{50%{opacity:.25}}
main{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;padding:0 4vw 30px}
@media(max-width:900px){main{grid-template-columns:1fr}}
.drop{position:relative;min-height:380px;border:2px dashed #3a3d42;border-radius:14px;background:rgba(0,0,0,.35);display:grid;place-items:center;cursor:pointer;overflow:hidden;transition:border-color .25s,box-shadow .25s,transform .25s}
.drop:hover,.drop.over{border-color:var(--yellow);box-shadow:0 0 0 4px rgba(255,214,10,.12),inset 0 0 40px rgba(255,214,10,.08)}
.drop.over{transform:scale(1.01)}
.hint{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:30px;color:var(--muted)}
.hint strong{color:var(--line);font-size:20px;letter-spacing:.05em}
.cone{font-size:46px;color:#ff8a00;text-shadow:0 0 18px rgba(255,138,0,.7);animation:bob 2s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-8px)}}
.view{position:relative;width:100%;line-height:0}
.view canvas{width:100%;height:auto;display:block;border-radius:10px}
.hidden{display:none!important}
.laser{position:absolute;left:0;right:0;top:0;height:3px;background:var(--crack);box-shadow:0 0 14px 4px var(--crack),0 0 40px 10px rgba(0,229,255,.35);opacity:0;pointer-events:none}
.scanning .laser{opacity:1;animation:sweep 1.1s ease-in-out infinite alternate}
.scanning canvas{filter:saturate(.6) brightness(.85)}
@keyframes sweep{from{top:0}to{top:calc(100% - 3px)}}
.corners i{position:absolute;width:26px;height:26px;border:3px solid var(--yellow);opacity:.85}
.corners i:nth-child(1){top:8px;left:8px;border-right:0;border-bottom:0}
.corners i:nth-child(2){top:8px;right:8px;border-left:0;border-bottom:0}
.corners i:nth-child(3){bottom:8px;left:8px;border-right:0;border-top:0}
.corners i:nth-child(4){bottom:8px;right:8px;border-left:0;border-top:0}
.samples{margin-top:14px}
.label,.ptitle{font-size:12px;letter-spacing:.2em;color:var(--yellow)}
.row{display:flex;gap:10px;margin-top:8px;overflow-x:auto;padding-bottom:4px}
.row button{flex:0 0 auto;width:124px;height:70px;border:2px solid #33363b;border-radius:8px;padding:0;background:#000 center/cover;cursor:pointer;transition:transform .2s,border-color .2s}
.row button:hover{transform:translateY(-3px);border-color:var(--yellow)}
.hud{display:flex;flex-direction:column;gap:14px}
.panel{background:linear-gradient(180deg,rgba(30,32,36,.9),rgba(16,17,19,.9));border:1px solid #2e3136;border-left:4px solid var(--yellow);border-radius:10px;padding:14px 16px}
.gauge{position:relative;width:170px;height:170px;margin:8px auto 0}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.track{fill:none;stroke:#2a2c30;stroke-width:10}
.ring{fill:none;stroke:var(--manhole);stroke-width:10;stroke-linecap:round;stroke-dasharray:314.16;stroke-dashoffset:314.16;transition:stroke-dashoffset 1.2s cubic-bezier(.2,.8,.2,1),stroke .6s;filter:drop-shadow(0 0 6px currentColor)}
.score{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score b{font-size:44px}
.score small{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em}
.counts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.cnt{text-align:center;padding:10px 4px;border-radius:8px;background:rgba(0,0,0,.35);border-top:3px solid}
.cnt b{display:block;font-size:30px}
.cnt span{font-size:11px;color:var(--muted)}
.cnt.pothole{border-color:var(--pothole)}.cnt.pothole b{color:var(--pothole);text-shadow:0 0 10px var(--pothole)}
.cnt.crack{border-color:var(--crack)}.cnt.crack b{color:var(--crack);text-shadow:0 0 10px var(--crack)}
.cnt.manhole{border-color:var(--manhole)}.cnt.manhole b{color:var(--manhole);text-shadow:0 0 10px var(--manhole)}
.thr{float:right;color:var(--muted);letter-spacing:0}
input[type=range]{width:100%;accent-color:var(--yellow);margin:12px 0 6px}
.list{list-style:none;margin:0;padding:0;max-height:230px;overflow:auto}
.list li{display:grid;grid-template-columns:78px 1fr 44px;gap:8px;align-items:center;font-size:12px;padding:5px 0;animation:in .35s both}
.list li.empty{display:block;color:var(--muted)}
.bar{height:8px;background:#26282c;border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:4px;transition:width .8s cubic-bezier(.2,.8,.2,1)}
@keyframes in{from{opacity:0;transform:translateX(10px)}}
.meta{font-size:12px;color:var(--muted);border-left-color:#3a3d42}
footer{padding:10px 4vw 24px;color:var(--muted);font-size:12px;text-align:center}
.lane{height:6px;margin:0 auto 14px;max-width:900px;background:repeating-linear-gradient(90deg,var(--line) 0 60px,transparent 60px 110px);opacity:.75;animation:lane 1.4s linear infinite}
@keyframes lane{to{background-position:110px 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}