:root {
  --preto: #0a0d13; --painel: #151b28; --azul: #2e8bf0; --azul-escuro: #0b2c52; --azul-claro: #5aa9ff;
  --texto: #eef2f8; --muted: #93a0b4; --linha: rgba(255,255,255,.09); --amarelo: #f5c451; --vermelho: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--texto);
  background: radial-gradient(1200px 600px at 50% -10%, #16233c, var(--preto)) fixed, var(--preto);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: env(safe-area-inset-top, 0) 16px env(safe-area-inset-bottom, 0);
}
.topo { max-width: 1100px; margin: 0 auto; padding: 22px 0 8px; }
.voltar { color: var(--muted); text-decoration: none; font-size: 13px; }
h1 { margin: 10px 0 4px; font-size: clamp(26px, 6vw, 38px); letter-spacing: 1px; }
.sub { margin: 0; color: var(--azul-claro); font-size: 14px; }
.modelos { display: inline-flex; margin-top: 14px; padding: 4px; gap: 4px; border-radius: 12px; background: #0d121c; border: 1px solid var(--linha); }
.modelo { border: 0; background: transparent; color: var(--muted); font-size: 14px; font-weight: 600; padding: 9px 14px; border-radius: 9px; }
.modelo[aria-checked=true] { background: linear-gradient(140deg, #1d6fd0, var(--azul)); color: #fff; }

main {
  max-width: 1100px; margin: 16px auto; display: grid; gap: 16px;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  grid-template-areas: "rota mapa" "voo mapa" "baixar baixar";
}
main > :nth-child(1) { grid-area: rota; }
main > :nth-child(2) { grid-area: mapa; }
main > :nth-child(3) { grid-area: voo; }
main > :nth-child(4) { grid-area: baixar; }
@media (max-width: 820px) {
  main { grid-template-columns: minmax(0, 1fr); grid-template-areas: "rota" "mapa" "voo" "baixar"; }
}

.painel { background: linear-gradient(160deg, var(--painel), #10151f); border: 1px solid var(--linha); border-radius: 18px; padding: 18px; }
h2 { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.n { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 14px;
  background: linear-gradient(140deg, var(--azul-escuro), var(--azul)); }

.soltar { display: flex; flex-direction: column; gap: 4px; align-items: center; text-align: center; cursor: pointer;
  border: 2px dashed rgba(90,169,255,.4); border-radius: 14px; padding: 22px 12px; transition: background .15s; }
.soltar span { color: var(--muted); font-size: 13px; }
.soltar.ativo, .soltar:hover { background: rgba(46,139,240,.08); }
.soltar.pequeno { padding: 14px 10px; margin-top: 10px; }

.dica { color: var(--muted); font-size: 13px; line-height: 1.5; }
.alerta { color: var(--amarelo); font-size: 13px; line-height: 1.5; background: rgba(245,196,81,.07); border-radius: 10px; padding: 10px 12px; }
.aviso { font-size: 13px; padding: 8px 10px; border-radius: 10px; margin-top: 8px; background: rgba(245,196,81,.08); color: var(--amarelo); }
.aviso.erro { background: rgba(255,107,107,.1); color: var(--vermelho); }

.grade { display: grid; gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input[type=number], select {
  font: inherit; font-size: 15px; color: var(--texto); background: #0d121c; border: 1px solid var(--linha);
  border-radius: 10px; padding: 10px; width: 100%;
}
input[type=range] { width: 100%; accent-color: var(--azul); }
output { color: var(--texto); font-size: 14px; }
select#escolhaRota { margin-top: 10px; }

button { font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid var(--linha); padding: 10px 14px; color: var(--texto); }
button.sec { background: #0d121c; font-size: 13px; }
button.primario { width: 100%; margin: 14px 0 4px; padding: 14px; font-size: 16px; font-weight: 700; border: 0;
  background: linear-gradient(140deg, #1d6fd0, var(--azul)); }
button:disabled { opacity: .4; cursor: not-allowed; }
.linha-botoes { display: flex; gap: 8px; flex-wrap: wrap; }

.mapa-wrap { display: flex; flex-direction: column; gap: 8px; min-height: 420px; }
#mapa { flex: 1; min-height: 420px; border-radius: 18px; border: 1px solid var(--linha); background: #0d121c; }
@media (max-width: 820px) { #mapa { min-height: 60vh; } }
.stats { font-size: 13px; color: var(--muted); padding: 0 4px; }
.stats b { color: var(--texto); }

.num-ponto { background: var(--azul); color: #fff; border: 2px solid #fff; border-radius: 50%; width: 26px !important; height: 26px !important;
  display: grid; place-items: center; font-size: 12px; font-weight: 700; box-shadow: 0 2px 6px rgba(0,0,0,.5); }
.num-ponto.primeiro { background: #22a35a; }
.num-ponto.poi { background: var(--vermelho); font-size: 14px; }
.leaflet-container { font: inherit; }

details summary { cursor: pointer; color: var(--azul-claro); font-size: 14px; }
.controles { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 18px; font-size: 13px; color: var(--muted); }
.controle { background: #0d121c; color: var(--muted); font-size: 13px; padding: 8px 12px; }
.controle[aria-checked=true] { background: linear-gradient(140deg, #1d6fd0, var(--azul)); color: #fff; border-color: transparent; }
.passos { padding-left: 20px; font-size: 14px; line-height: 1.6; }
.passos li { margin-bottom: 6px; }
code { background: #0d121c; padding: 1px 6px; border-radius: 6px; }
.desfazer { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 2000;
  display: flex; align-items: center; gap: 14px; background: #1c2436; border: 1px solid var(--linha); border-radius: 12px;
  padding: 10px 10px 10px 16px; box-shadow: 0 10px 30px rgba(0,0,0,.5); font-size: 14px; max-width: calc(100vw - 32px); }
.desfazer[hidden] { display: none; }
.desfazer button { background: transparent; border: 0; color: var(--azul-claro); font-weight: 700; padding: 6px 8px; }
footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 22px 0; }