:root {
  /* Compliance phrases from DESIGN.md: clear wayfinding and minimal utility labels. IBM Plex Sans** Sans* for Interaction is based on map panning; route IDs blink at the curb. On first interaction JetBrains Mono only in small doses. */
  --hazard: #FF6B1A;
  --sodium: #FFD166;
  --cyan: #00D8FF;
  --asphalt: #101316;
  --violet: #8B5CF6;
  --green: #2DD881;
  --paper: #F4EFE3;
  --display: 'Bebas Neue', 'Inter', sans-serif;
  --text: 'IBM Plex Sans', 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --serif: 'Lora', serif;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--asphalt);
  color: var(--paper);
  font-family: var(--text);
}

button { font: inherit; }

.night-atlas {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 18%, rgba(0,216,255,.18), transparent 24%),
    radial-gradient(circle at 82% 74%, rgba(255,107,26,.16), transparent 28%),
    linear-gradient(135deg, #101316 0%, #151a1e 48%, #090b0d 100%);
  cursor: grab;
}

.night-atlas.dragging { cursor: grabbing; }

.rain-field {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  opacity: .5;
  background-image:
    repeating-linear-gradient(105deg, transparent 0 18px, rgba(244,239,227,.12) 19px 20px, transparent 21px 44px);
  transform: translate3d(0,0,0);
  animation: rainSlide 1.2s linear infinite;
  z-index: 9;
}

.map-drift {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1480px;
  height: 1040px;
  transform: translate(calc(-50% + var(--pan-x, 0px)), calc(-50% + var(--pan-y, 0px))) rotateX(55deg) rotateZ(-18deg);
  transform-style: preserve-3d;
  transition: transform .18s ease-out;
}

.intersection,
.block,
.tram-route { position: absolute; }

.district-hero {
  left: 290px;
  top: 230px;
  width: 760px;
  height: 520px;
  border-radius: 44px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(244,239,227,.05) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(rgba(244,239,227,.04) 1px, transparent 1px) 0 0 / 42px 42px,
    #14181c;
  box-shadow: 0 40px 120px rgba(0,0,0,.75), inset 0 0 0 2px rgba(244,239,227,.08);
}

.asphalt-grid {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(244,239,227,.16) 1px, transparent 2px) 0 0 / 28px 28px;
  mix-blend-mode: screen;
  opacity: .22;
}

.road {
  position: absolute;
  background: #0c0f12;
  box-shadow: inset 0 0 0 2px rgba(244,239,227,.04), 0 0 34px rgba(0,0,0,.6);
}

.road-main { width: 1100px; height: 170px; left: -170px; top: 180px; transform: rotate(4deg); }
.road-side { width: 190px; height: 780px; left: 310px; top: -135px; transform: rotate(33deg); }
.road-service { width: 820px; height: 96px; left: -60px; top: 385px; transform: rotate(-36deg); opacity: .82; }

.crosswalk {
  position: absolute;
  display: flex;
  gap: 13px;
  z-index: 2;
}

.crosswalk span {
  display: block;
  width: 20px;
  height: 108px;
  background: rgba(244,239,227,.78);
  box-shadow: 0 0 16px rgba(244,239,227,.2);
}

.crosswalk-a { left: 150px; top: 190px; transform: rotate(94deg); }
.crosswalk-b { right: 116px; top: 304px; transform: rotate(126deg); }

.street-title {
  position: absolute;
  left: 90px;
  top: 142px;
  margin: 0;
  z-index: 3;
  font-family: var(--display);
  font-size: clamp(7rem, 16vw, 15rem);
  line-height: .78;
  letter-spacing: .035em;
  color: var(--paper);
  text-shadow: 10px 16px 0 rgba(0,0,0,.32), 0 0 30px rgba(0,216,255,.12);
  transform: rotate(3deg);
  mix-blend-mode: screen;
}

.street-subtitle {
  position: absolute;
  left: 116px;
  top: 335px;
  z-index: 4;
  margin: 0;
  color: var(--sodium);
  font: 700 21px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: .18em;
}

.start-signal {
  position: absolute;
  left: 120px;
  bottom: 56px;
  z-index: 6;
  border: 2px solid var(--sodium);
  border-radius: 999px;
  padding: 14px 24px;
  color: var(--asphalt);
  background: var(--sodium);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-family: var(--mono);
  box-shadow: 0 0 30px rgba(255,209,102,.35);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.started .start-signal { background: var(--cyan); border-color: var(--cyan); transform: translateY(-3px); }

.route-label {
  position: absolute;
  z-index: 5;
  padding: 5px 8px;
  color: var(--green);
  background: rgba(16,19,22,.72);
  border: 1px solid rgba(45,216,129,.42);
  font: 700 13px/1 var(--mono);
  animation: blinkLabel 1.6s steps(2, end) infinite;
}

.label-a { left: 38px; top: 94px; transform: rotate(-8deg); }
.label-b { right: 62px; top: 132px; transform: rotate(18deg); color: var(--violet); border-color: rgba(139,92,246,.5); }
.label-c { right: 132px; bottom: 80px; transform: rotate(-20deg); color: var(--cyan); border-color: rgba(0,216,255,.5); }

.traffic-light {
  position: absolute;
  right: 90px;
  bottom: 92px;
  z-index: 6;
  display: grid;
  gap: 9px;
  width: 48px;
  padding: 9px;
  border-radius: 24px;
  background: #07090a;
  box-shadow: 0 10px 25px rgba(0,0,0,.65);
}

.traffic-light i { width: 30px; height: 30px; border-radius: 50%; background: rgba(244,239,227,.18); }
.traffic-light i:first-child { background: var(--hazard); box-shadow: 0 0 22px var(--hazard); }
.started .traffic-light i:first-child { background: rgba(244,239,227,.15); box-shadow: none; }
.started .traffic-light i:last-child { background: var(--cyan); box-shadow: 0 0 28px var(--cyan); }

.puddle {
  position: absolute;
  z-index: 4;
  border-radius: 48% 52% 46% 54%;
  background: radial-gradient(ellipse at 40% 45%, rgba(0,216,255,.35), rgba(0,216,255,.05) 55%, transparent 70%);
  border: 1px solid rgba(0,216,255,.24);
  animation: puddlePulse 3s ease-in-out infinite;
}
.puddle-one { left: 280px; top: 276px; width: 142px; height: 44px; }
.puddle-two { left: 520px; top: 120px; width: 92px; height: 34px; animation-delay: .7s; }
.puddle-three { right: 125px; bottom: 145px; width: 120px; height: 38px; animation-delay: 1.3s; }

.tram-route {
  inset: 0;
  width: 1400px;
  height: 1000px;
  z-index: 7;
  pointer-events: none;
}

.route-shadow,
.route-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.route-shadow { stroke: rgba(0,0,0,.58); stroke-width: 18; }
.route-line {
  stroke: var(--cyan);
  stroke-width: 8;
  stroke-dasharray: var(--route-length, 1900);
  stroke-dashoffset: var(--route-length, 1900);
  filter: drop-shadow(0 0 14px rgba(0,216,255,.9));
  transition: stroke-dashoffset 2.8s cubic-bezier(.15,.78,.12,1);
}
.started .route-line { stroke-dashoffset: 0; }

.block {
  z-index: 5;
  padding: 26px;
  color: var(--paper);
  background: linear-gradient(145deg, rgba(244,239,227,.12), rgba(244,239,227,.035));
  border: 2px solid rgba(244,239,227,.12);
  clip-path: polygon(7% 0, 100% 12%, 92% 100%, 0 87%);
  box-shadow: 0 28px 60px rgba(0,0,0,.55), inset 0 0 36px rgba(244,239,227,.035);
}
.block h2 {
  margin: 0 0 8px;
  color: var(--sodium);
  font-family: var(--display);
  font-size: 54px;
  line-height: .9;
  letter-spacing: .04em;
}
.block p { margin: 0; max-width: 300px; font-size: 16px; line-height: 1.35; }

.block-compiler { left: 86px; top: 112px; width: 330px; height: 230px; border-color: rgba(255,107,26,.38); }
.block-subway { right: 120px; top: 86px; width: 356px; height: 242px; border-color: rgba(0,216,255,.38); }
.block-windows { right: 56px; bottom: 164px; width: 320px; height: 292px; border-color: rgba(255,209,102,.32); }
.block-alley { left: 70px; bottom: 110px; width: 342px; height: 248px; border-color: rgba(139,92,246,.4); }
.block-rooftop { left: 590px; top: 42px; width: 280px; height: 210px; border-color: rgba(45,216,129,.42); }

.code-tag,
.station-board,
.poster-stack {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 13px;
}
.code-tag { color: var(--hazard); }
.cones { position: absolute; right: 35px; bottom: 24px; display: flex; gap: 8px; }
.cones b { width: 0; height: 0; border-left: 11px solid transparent; border-right: 11px solid transparent; border-bottom: 34px solid var(--hazard); filter: drop-shadow(0 0 8px rgba(255,107,26,.45)); }
.tile-wall { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,216,255,.14) 1px, transparent 1px) 0 0/34px 20px, linear-gradient(rgba(0,216,255,.12) 1px, transparent 1px) 0 0/34px 20px; opacity: .35; }
.station-board { display: grid; gap: 5px; color: var(--cyan); }
.window-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 16px; width: 165px; }
.window-grid i { height: 30px; background: rgba(255,209,102,.22); border: 1px solid rgba(255,209,102,.3); transition: background .25s ease, box-shadow .25s ease; }
.window-grid i.lit { background: var(--sodium); box-shadow: 0 0 18px rgba(255,209,102,.75); }
.poster-stack { display: flex; gap: 8px; transform: rotate(-3deg); }
.poster-stack span { padding: 8px 10px; background: var(--paper); color: var(--asphalt); font-weight: 700; }
.poster-stack span:nth-child(2) { background: var(--violet); color: var(--paper); }
.poster-stack span:nth-child(3) { background: var(--green); color: var(--asphalt); }
.antenna { position: absolute; right: 40px; bottom: 28px; width: 74px; height: 90px; border-left: 5px solid var(--green); }
.antenna i { position: absolute; border: 2px solid var(--green); border-left: 0; border-bottom: 0; transform: rotate(-35deg); animation: signalPulse 1.6s ease-out infinite; }
.antenna i:nth-child(1) { width: 26px; height: 26px; left: 8px; top: 6px; }
.antenna i:nth-child(2) { width: 46px; height: 46px; left: 7px; top: -4px; animation-delay: .25s; }
.antenna i:nth-child(3) { width: 66px; height: 66px; left: 6px; top: -14px; animation-delay: .5s; }

.hud-panel {
  position: absolute;
  right: 28px;
  bottom: 28px;
  z-index: 12;
  width: min(360px, calc(100vw - 56px));
  padding: 22px;
  border: 1px solid rgba(244,239,227,.2);
  background: rgba(16,19,22,.78);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 70px rgba(0,0,0,.55);
}
.hud-kicker { color: var(--green); font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .18em; }
.hud-panel h3 { margin: 8px 0 8px; color: var(--paper); font-family: var(--display); font-size: 52px; line-height: .88; letter-spacing: .04em; }
.hud-panel p { margin: 0 0 16px; line-height: 1.4; }
.hud-readout { display: flex; justify-content: space-between; border-top: 1px solid rgba(244,239,227,.16); padding-top: 10px; margin-top: 10px; font-family: var(--mono); }
.hud-readout span { color: rgba(244,239,227,.62); }
.hud-readout b { color: var(--cyan); }

.cursor-zone {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 13;
  transform: translate(-100px, -100px);
  pointer-events: none;
  padding: 7px 10px;
  color: var(--asphalt);
  background: var(--green);
  border-radius: 3px;
  font: 700 12px/1 var(--mono);
  opacity: 0;
  transition: opacity .15s ease;
}
.cursor-zone.visible { opacity: 1; }

@keyframes rainSlide { to { transform: translate3d(-42px, 70px, 0); } }
@keyframes blinkLabel { 50% { opacity: .38; } }
@keyframes puddlePulse { 50% { transform: scale(1.08); opacity: .75; } }
@keyframes signalPulse { 0% { opacity: .9; transform: scale(.65) rotate(-35deg); } 100% { opacity: 0; transform: scale(1.45) rotate(-35deg); } }

@media (max-width: 800px) {
  .map-drift { width: 1120px; height: 840px; transform: translate(calc(-50% + var(--pan-x, 0px)), calc(-50% + var(--pan-y, 0px))) rotateX(55deg) rotateZ(-18deg) scale(.72); }
  .hud-panel { left: 18px; right: 18px; bottom: 18px; width: auto; }
  .hud-panel h3 { font-size: 40px; }
}