:root {
  --urban-bg: #07131d;
  --urban-land: #1d413c;
  --urban-road: #b8b5a3;
  --urban-road-edge: #4a5b57;
  --urban-text: #edf8f4;
  --residential: #71b9df;
  --commercial: #e7bc62;
  --industrial: #dc7b60;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--urban-bg);
  color: var(--urban-text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
a { font: inherit; }

button:focus-visible,
a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.city-page {
  width: min(100%, 1500px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) clamp(16px, 3vw, 42px) max(26px, env(safe-area-inset-bottom));
}

.city-header {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}

.city-back {
  width: fit-content;
  color: #87dbbb;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.city-kicker {
  margin: 0 0 6px;
  color: #87dbbb;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-align: center;
}

.city-header h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 46px);
  letter-spacing: -.04em;
  text-align: center;
}

.city-number-card {
  justify-self: end;
  display: grid;
  gap: 3px;
  min-width: 90px;
  padding: 10px 13px;
  border: 1px solid #49635d;
  border-radius: 12px;
  background: #10261f;
  text-align: right;
}

.city-number-card span {
  color: #a9c7bd;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.city-number-card strong {
  color: #fff;
  font-size: 21px;
}

.city-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.urban-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.urban-filter {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid #49635d;
  border-radius: 9px;
  background: #10261f;
  color: #dceee7;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.urban-filter:hover,
.urban-filter.is-active {
  border-color: #8ce1c0;
  background: #1d4c3d;
  color: #fff;
}

.city-stats {
  margin: 0;
  color: #a9c7bd;
  font-size: 13px;
  text-align: right;
}

.urban-map {
  position: relative;
  min-height: 960px;
  overflow: hidden;
  border: 1px solid #486660;
  border-radius: 20px;
  background: #1d413c;
  box-shadow: inset 0 0 100px #06120dcc, 0 24px 54px #00000055;
}

.urban-map__water,
.urban-map__terrain,
.urban-map__content {
  position: absolute;
  inset: 0;
}

.urban-map__water {
  background:
    radial-gradient(ellipse at 104% 8%, #2d7895 0 15%, transparent 15.5%),
    radial-gradient(ellipse at -4% 93%, #286b89 0 20%, transparent 20.5%),
    linear-gradient(125deg, #244d49, #1b3c38 45%, #244942);
}

.urban-map__terrain {
  opacity: .48;
  background:
    repeating-linear-gradient(23deg, transparent 0 26px, #7e9b6d22 27px 29px, transparent 30px 57px),
    repeating-linear-gradient(116deg, transparent 0 41px, #0b282422 42px 44px, transparent 45px 75px);
}

.urban-map__content { isolation: isolate; }

.city-road {
  position: absolute;
  z-index: 2;
  height: clamp(24px, 2vw, 28px);
  border-top: 3px solid var(--urban-road-edge);
  border-bottom: 3px solid var(--urban-road-edge);
  border-radius: 9px;
  background:
    linear-gradient(var(--urban-road), var(--urban-road)) center / 100% 70% no-repeat,
    repeating-linear-gradient(90deg, transparent 0 21px, #ffffff88 22px 30px, transparent 31px 53px);
  box-shadow: 0 2px 5px #07120b99;
  transform: translate(-50%, -50%) rotate(var(--angle));
  transform-origin: center;
}

.city-road.is-vertical {
  width: clamp(24px, 2vw, 28px);
  height: var(--road-length);
  border-top: 0;
  border-right: 3px solid var(--urban-road-edge);
  border-bottom: 0;
  border-left: 3px solid var(--urban-road-edge);
  background:
    linear-gradient(var(--urban-road), var(--urban-road)) center / 70% 100% no-repeat,
    repeating-linear-gradient(0deg, transparent 0 21px, #ffffff88 22px 30px, transparent 31px 53px);
}

.city-intersection {
  position: absolute;
  z-index: 3;
  width: calc(clamp(24px, 2vw, 28px) + 6px);
  height: calc(clamp(24px, 2vw, 28px) + 6px);
  border-radius: 3px;
  background: var(--urban-road);
  box-shadow: 0 1px 3px #07120b66;
  transform: translate(-50%, -50%);
}

.city-road__label {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #17201e;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .04em;
  opacity: .72;
  transform: translate(-50%, -50%) rotate(calc(var(--angle) * -1));
  white-space: nowrap;
}

.city-road.is-vertical .city-road__label {
  transform: translate(-50%, -50%) rotate(-90deg);
}

.building-slot {
  position: absolute;
  z-index: 10;
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid #e8fff6;
  border-radius: 3px;
  background: #20302c;
  box-shadow: 0 1px 3px #000000aa;
  cursor: pointer;
  transform: translate(-50%, -50%) rotate(calc(var(--angle) * -1));
}

.building-slot::after {
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 6px;
  height: 6px;
  content: "";
  border: 1px solid #e8fff6;
  border-radius: 50%;
  background: var(--slot-color);
}

.building-slot[data-zone="residential"] { --slot-color: var(--residential); }
.building-slot[data-zone="commercial"] { --slot-color: var(--commercial); }
.building-slot[data-zone="industrial"] { --slot-color: var(--industrial); }

.building-slot.is-yours {
  border-color: #8ce1c0;
  background: #176047;
  box-shadow: 0 0 0 2px #8ce1c066, 0 1px 3px #000000aa;
}

.building-slot.is-yours::after {
  content: "✓";
  display: grid;
  place-items: center;
  width: 10px;
  height: 10px;
  right: -6px;
  bottom: -6px;
  border: 1px solid #d8fff0;
  background: #176047;
  color: #d8fff0;
  font-size: 8px;
  font-weight: 900;
}

.building-slot.is-foreign {
  border-color: #ffb16d;
  background: #7a3730;
  box-shadow: 0 0 0 2px #ff765766, 0 1px 3px #000000aa;
}

.building-slot.is-foreign::after {
  content: "×";
  display: grid;
  place-items: center;
  width: 10px;
  height: 10px;
  right: -6px;
  bottom: -6px;
  border: 1px solid #ffe1c5;
  background: #7a3730;
  color: #ffe1c5;
  font-size: 11px;
  font-weight: 900;
}

.building-slot.is-npc {
  border-color: #f59dff;
  border-style: dashed;
  background: #5d216f;
  box-shadow: 0 0 0 3px #e948ff99, 0 0 14px #ed64ffcc, 0 1px 3px #000000aa;
}

.building-slot.is-npc::after {
  content: "N";
  display: grid;
  place-items: center;
  width: 11px;
  height: 11px;
  right: -6px;
  bottom: -6px;
  border: 1px solid #ffe2ff;
  background: #7e168c;
  color: #fff;
  font-size: 8px;
  font-weight: 900;
}

.npc-property-notice {
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 2px dashed #f59dff;
  border-radius: 10px;
  background: #5d216f;
  color: #fff2ff;
  font-weight: 700;
}

.building-slot.is-filtered {
  opacity: .13;
  pointer-events: none;
}

.building-slot.is-address-target {
  z-index: 20;
  width: 20px;
  height: 20px;
  border-color: #fff6a1;
  background: #f0ad3d;
  box-shadow: 0 0 0 5px #f0ad3d66, 0 0 22px 8px #fff0a0cc;
  animation: address-slot-pulse 1s ease-in-out 4;
}

@keyframes address-slot-pulse {
  50% { transform: translate(-50%, -50%) rotate(calc(var(--angle) * -1)) scale(1.35); }
}

.city-square {
  position: absolute;
  z-index: 5;
  width: clamp(70px, 8vw, 86px);
  aspect-ratio: 1;
  border: 5px solid var(--urban-road-edge);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #6f8169 0 20%, transparent 21%),
    repeating-conic-gradient(#c2bc9c 0 12deg, #a79f84 13deg 24deg);
  box-shadow: 0 3px 8px #07120b99;
  transform: translate(-50%, -50%);
}

.city-square__label {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #26332e;
  font-size: 9px;
  font-weight: 800;
  text-align: center;
  transform: translate(-50%, -50%);
}

.city-square .building-slot {
  --angle: 0deg;
  z-index: 6;
}

.map-help {
  margin-top: 12px;
  color: #a9c7bd;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 700px) {
  .city-header {
    grid-template-columns: 1fr auto;
  }

  .city-header > div:nth-child(2) {
    grid-row: 2;
    grid-column: 1 / -1;
    order: 3;
  }

  .city-kicker,
  .city-header h1 { text-align: left; }

  .city-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .city-stats { text-align: left; }

  .urban-map {
    min-height: 840px;
    border-radius: 14px;
  }

  .building-slot {
    width: 10px;
    height: 10px;
  }
}