* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: #0a0e1a;
  color: #e7eef9;
  user-select: none;
  -webkit-user-select: none;
}

#game-root {
  position: relative;
  width: 100vw;
  height: 100vh;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #16203a 0%, #0e1628 100%);
  cursor: pointer;
}

/* HUD */
#hud {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 10px;
  pointer-events: none;
  z-index: 5;
}

.hud-stat {
  background: rgba(10, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 90px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-variant-numeric: tabular-nums;
}

.hud-stat .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.55;
  font-weight: 600;
}

.hud-stat .value {
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.hud-stat .value small {
  font-size: 12px;
  opacity: 0.4;
  font-weight: 500;
}

#hud-money .value { color: #b6f7c1; }
#hud-rep .value { color: #ffd7d7; }

/* Shop */
#shop {
  position: absolute;
  right: 16px;
  top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 5;
  background: rgba(10, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px;
  border-radius: 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: 200px;
}

.shop-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.55;
  font-weight: 700;
  margin-bottom: 4px;
}

.shop-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e7eef9;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: inherit;
  transition: background 0.12s, transform 0.12s, border-color 0.12s;
  font-variant-numeric: tabular-nums;
}

.shop-btn:hover:not(:disabled) {
  background: rgba(90, 140, 220, 0.18);
  border-color: rgba(140, 180, 255, 0.3);
}

.shop-btn:active:not(:disabled) { transform: scale(0.97); }

.shop-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.shop-btn.armed {
  background: rgba(120, 200, 255, 0.2);
  border-color: rgba(150, 220, 255, 0.5);
}

.dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  display: inline-block;
  flex-shrink: 0;
}
.dot-regular { background: #5a7fb8; }
.dot-priority { background: #d4a548; }
.dot-dropoff { background: #5fb877; }

.shop-name { flex: 1; text-align: left; }
.shop-cost { opacity: 0.65; font-weight: 600; }

.shop-hint {
  font-size: 11px;
  opacity: 0.5;
  margin-top: 6px;
  text-align: center;
  line-height: 1.4;
}

/* Counter panel */
#counter-panel {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 26, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 16px;
  border-radius: 14px;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 5;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.cp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cp-title {
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

#close-panel {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

#close-panel:hover { background: rgba(255, 255, 255, 0.06); color: white; }

.cp-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 4px;
}

.cp-info > div { display: flex; justify-content: space-between; }
.cp-info span { opacity: 0.6; }
.cp-info strong { font-variant-numeric: tabular-nums; }

.cp-upgrade {
  background: rgba(90, 140, 220, 0.18);
  border: 1px solid rgba(140, 180, 255, 0.25);
  color: #e7eef9;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.cp-upgrade:hover:not(:disabled) { background: rgba(90, 140, 220, 0.3); }
.cp-upgrade:disabled { opacity: 0.35; cursor: not-allowed; }

/* Build banner */
#build-banner {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(120, 200, 255, 0.15);
  border: 1px solid rgba(150, 220, 255, 0.4);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(8px);
}

#build-cancel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
}

/* Legend */
#legend {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(10, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 4;
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.legend-row { display: flex; align-items: center; gap: 8px; }
.passenger-pip {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3);
}

/* Overlays */
.hidden { display: none !important; }

#game-over, #start-screen {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 22, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  padding: 32px;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#start-screen h1 {
  font-size: 36px;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #8acaff, #d4a548);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
}

#game-over h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sub {
  max-width: 480px;
  line-height: 1.6;
  opacity: 0.8;
  font-size: 15px;
}

.legend-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 22px;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
}

.legend-card .passenger-pip { width: 12px; height: 12px; }

.go-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 26px;
  border-radius: 14px;
  font-size: 14px;
}

.go-stats > div { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }
.go-stats span { opacity: 0.5; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.go-stats strong { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }

.hint { font-size: 12px; opacity: 0.55; }

#start, #restart {
  background: linear-gradient(135deg, #5a9eff, #2d6ad0);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 20px rgba(90, 158, 255, 0.3);
  letter-spacing: 0.01em;
  margin-top: 8px;
}

#start:hover, #restart:hover { filter: brightness(1.1); transform: translateY(-1px); }
#start:active, #restart:active { transform: translateY(0); }

@media (max-width: 720px) {
  #hud { gap: 6px; }
  .hud-stat { padding: 8px 10px; min-width: 70px; }
  .hud-stat .value { font-size: 14px; }
  #shop { width: 170px; }
  #legend { font-size: 10px; }
  #start-screen h1 { font-size: 28px; }
}