* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* acompanha a barra de endereço do mobile */
  background: #050a08;
  color: #cfe;
  overflow: hidden;
  /* evita highlight/seleção em toques longos no mobile */
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
#controls {
  padding: 8px 10px;
  padding-top: calc(8px + env(safe-area-inset-top));
  background: #0d1a12;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid #1d3a28;
  touch-action: manipulation; /* sem double-tap zoom nos controles */
}
#controls label { font-size: .95rem; }
#controls select, #controls button {
  padding: 8px 12px;
  min-height: 40px;              /* alvo de toque confortável */
  font-size: 1rem;               /* >=16px evita zoom automático no iOS */
  background: #12261a;
  color: #cfe;
  border: 1px solid #2c5238;
  border-radius: 8px;
}
#controls button { cursor: pointer; min-width: 44px; }
#controls button:active { background: #1d3a28; }
#status {
  flex-basis: 100%;
  font-size: .8rem;
  color: #7fa;
  opacity: .8;
}
/* painel de configurações: retrátil no mobile */
#settingsPanel {
  display: none;
  flex-basis: 100%;
  gap: 6px;
}
#settingsPanel.open { display: flex; }
#settingsPanel select { flex: 1; }
#radarCanvas { flex: 1; min-height: 0; display: block; touch-action: none; }
#tooltip {
  position: fixed;
  pointer-events: none;
  background: rgba(10, 25, 15, .92);
  border: 1px solid #2c5238;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: .85rem;
  line-height: 1.5;
  z-index: 10;
  max-width: 70vw;
}

/* telas maiores: tudo inline, sem botão de settings */
@media (min-width: 600px) {
  #status { flex-basis: auto; margin-left: auto; }
  #settingsPanel { display: contents; }  /* selects entram no fluxo da barra */
  #settingsBtn { display: none; }
}

/* telas pequenas: controles compactos, máximo de espaço pro radar */
@media (max-width: 480px) {
  #controls { padding: 6px 8px; gap: 6px; }
  #controls label { display: none; }  /* "City:" é óbvio pelo conteúdo do select */
  #controls select, #controls button {
    padding: 6px 8px;
    min-height: 36px;
    font-size: .9rem;
  }
  #controls button { min-width: 40px; }
  #citySelect { flex: 1; min-width: 0; }  /* cidade ocupa o espaço livre */
  #status { font-size: .72rem; }
}