* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Segoe UI', system-ui, sans-serif; }
body { display: flex; }

#sidebar {
  width: 340px; min-width: 340px; height: 100vh; overflow-y: auto;
  background: #10161f; color: #dbe4ee; padding: 18px 16px;
  display: flex; flex-direction: column; gap: 14px;
}
#sidebar h1 { font-size: 22px; letter-spacing: .3px; }
#sidebar h1 span { color: #4fc3f7; }
#sidebar .sub { font-size: 12px; color: #8fa3b8; margin-top: 4px; }
.nav-bacia {
  display: inline-block; margin-top: 10px; font-size: 12.5px; color: #4fc3f7;
  text-decoration: none; border: 1px solid #24405a; border-radius: 8px;
  padding: 7px 10px; line-height: 1.3;
}
.nav-bacia:hover { background: #16212e; }
#sidebar h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .8px; color: #8fa3b8; }

#status-box { background: #1a2330; border-radius: 8px; padding: 10px 12px; font-size: 12.5px; }
#barra-wrap { margin-top: 8px; height: 5px; background: #2b3648; border-radius: 3px; overflow: hidden; }
#barra { height: 100%; width: 0; background: #4fc3f7; transition: width .5s; }

.legenda { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; }
.leg-item { display: flex; align-items: center; gap: 8px; }
.leg-item i { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.leg-item b { margin-left: auto; color: #fff; }

#busca {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid #2b3648;
  background: #1a2330; color: #dbe4ee; font-size: 13px; outline: none;
}
#busca:focus { border-color: #4fc3f7; }

.toggle { font-size: 12.5px; color: #8fa3b8; display: flex; align-items: center; gap: 7px; cursor: pointer; }

#altas { list-style: none; display: flex; flex-direction: column; gap: 4px; }
#altas li {
  background: #1a2330; border-radius: 7px; padding: 8px 10px; font-size: 12.5px;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
#altas li:hover { background: #223047; }
#altas li .delta { color: #ff8a65; font-weight: 700; white-space: nowrap; }
#altas li .onde { color: #8fa3b8; font-size: 11px; }

footer { margin-top: auto; font-size: 11px; color: #6b7f94; line-height: 1.5; }
footer a { color: #4fc3f7; }

#map { flex: 1; height: 100vh; }

/* popup */
.leaflet-popup-content { margin: 14px 16px; }
.pp { font-size: 12.5px; min-width: 270px; }
.pp h3 { font-size: 15px; margin-bottom: 2px; }
.pp .rio { color: #556; margin-bottom: 8px; }
.pp .grade { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; margin-bottom: 8px; }
.pp .cel { background: #f2f5f9; border-radius: 6px; padding: 6px 8px; text-align: center; }
.pp .cel .v { font-size: 15px; font-weight: 700; }
.pp .cel .l { font-size: 10px; color: #789; text-transform: uppercase; }
.pp .cotas { font-size: 11.5px; background: #fff7ed; border: 1px solid #fdba74; border-radius: 6px; padding: 6px 8px; margin-bottom: 8px; }
.pp .desagua { font-size: 11.5px; color: #456; margin-bottom: 8px; }
.pp canvas { width: 100% !important; height: 130px !important; }
.up { color: #d84315; } .down { color: #1565c0; }

/* ---- Responsivo: celular / telas estreitas ---- */
@media (max-width: 720px) {
  html, body { height: auto; }
  body { flex-direction: column; }

  #sidebar {
    width: 100%; min-width: 0; height: auto;
    padding: 14px 14px calc(14px + env(safe-area-inset-bottom, 0px));
    gap: 12px;
  }
  #sidebar h1 { font-size: 20px; }
  #sidebar .sub { font-size: 11.5px; }

  /* legenda em duas colunas para ocupar menos altura */
  .legenda { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }

  /* 16px evita o zoom automático do iOS ao focar o campo */
  #busca { font-size: 16px; padding: 11px 12px; }
  .toggle { font-size: 13px; }

  /* mostra no máx. 5 altas no celular para o mapa aparecer antes */
  #altas li:nth-child(n+6) { display: none; }

  #map {
    height: 68vh; min-height: 320px; width: 100%;
  }
}

/* telas muito estreitas: legenda volta a uma coluna */
@media (max-width: 380px) {
  .legenda { grid-template-columns: 1fr; }
  #sidebar h1 { font-size: 19px; }
}

/* ================= Página por Bacia ================= */
.pagina-bacias {
  display: block; background: #0b1017; color: #dbe4ee;
  min-height: 100vh; padding: 0 0 40px;
}
.topo-bacias {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 20px; background: #10161f; border-bottom: 1px solid #1e2836;
  position: sticky; top: 0; z-index: 5;
}
.topo-bacias h1 { font-size: 22px; }
.topo-bacias h1 span { color: #4fc3f7; }
.topo-bacias .sub { font-size: 12px; color: #8fa3b8; margin-top: 3px; }
.voltar {
  color: #4fc3f7; text-decoration: none; font-size: 13px; white-space: nowrap;
  border: 1px solid #24405a; border-radius: 8px; padding: 8px 12px;
}
.voltar:hover { background: #16212e; }

.tabs {
  display: flex; gap: 8px; flex-wrap: wrap; padding: 14px 20px 4px;
  position: sticky; top: 71px; background: #0b1017; z-index: 4;
}
.tab {
  background: #16212e; color: #b9c6d6; border: 1px solid #24303f;
  border-radius: 20px; padding: 7px 15px; font-size: 13px; cursor: pointer;
}
.tab:hover { background: #1c2a3a; }
.tab.ativa { background: #4fc3f7; color: #06121c; border-color: #4fc3f7; font-weight: 700; }

.atualizacao { padding: 6px 20px 0; font-size: 11.5px; color: #6b7f94; }

#conteudo { padding: 12px 20px 0; max-width: 780px; margin: 0 auto; }
.vazio { color: #8fa3b8; padding: 30px 0; text-align: center; }

.resumo {
  display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center;
  background: #10161f; border: 1px solid #1e2836; border-radius: 10px;
  padding: 12px 16px; margin-bottom: 16px; font-size: 13px; color: #b9c6d6;
}
.resumo .r-item .n { font-size: 18px; font-weight: 700; color: #fff; }
.resumo .r-item.quente .n { color: #ff8a65; }
.resumo .r-item.alerta { color: #ff7043; }
.resumo .r-item.alerta .n { color: #ff5252; }

/* espinha dorsal do rio */
.spine { position: relative; padding-left: 26px; }
.spine::before {
  content: ''; position: absolute; left: 7px; top: 14px; bottom: 14px;
  width: 3px; background: linear-gradient(#2a3f57, #16324a);
  border-radius: 2px;
}
.marco { font-size: 11px; color: #6b7f94; letter-spacing: .4px; margin: 2px 0 10px -26px; text-align: left; }
.marco.jusante { margin: 10px 0 0 -26px; }

.no { position: relative; margin-bottom: 12px; }
.no .dot {
  position: absolute; left: -23px; top: 16px; width: 15px; height: 15px;
  border-radius: 50%; border: 3px solid #0b1017; box-shadow: 0 0 0 1px #2a3f57;
}
.card {
  background: #10161f; border: 1px solid #1e2836; border-radius: 10px;
  padding: 11px 14px;
}
.card .topo { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.card .topo b { font-size: 15px; }
.card .topo .rio { font-size: 11.5px; color: #7d90a6; text-transform: uppercase; letter-spacing: .3px; }
.card .linha { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.card .nivel { font-size: 20px; font-weight: 700; color: #fff; }
.card .chips { font-size: 12px; color: #9fb1c4; }
.card .rodape { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.card .spark { width: 120px; height: 34px; flex: none; }
.spark-vazio { width: 120px; height: 34px; font-size: 10px; color: #556; display: flex; align-items: center; }
.card .st { font-size: 12px; font-weight: 600; }
.card .nivel small { font-size: 11px; color: #7d90a6; font-weight: 400; }
.card .nota-datum { margin-top: 6px; font-size: 11px; color: #c9a15a; }
.card .cotas-linha { margin-top: 6px; font-size: 11.5px; }
.card .cota { background: #2a1e10; border: 1px solid #6b4a1e; color: #f0b878; border-radius: 5px; padding: 2px 7px; }
.card .mapa-link { display: inline-block; margin-top: 8px; font-size: 12px; color: #4fc3f7; text-decoration: none; }
.card .mapa-link:hover { text-decoration: underline; }
.up { color: #ff8a65; } .down { color: #64b5f6; }

.rodape-bacias { max-width: 780px; margin: 24px auto 0; padding: 16px 20px; font-size: 11px; color: #6b7f94; line-height: 1.5; }
.rodape-bacias a { color: #4fc3f7; }

@media (max-width: 480px) {
  .topo-bacias { flex-wrap: wrap; }
  .tabs { top: 96px; }
  .card .nivel { font-size: 18px; }
}

/* ================= Login / Área de membros ================= */
.pagina-auth {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: #0b1017; padding: 20px;
}
.auth-card {
  width: 100%; max-width: 380px; background: #10161f;
  border: 1px solid #1e2836; border-radius: 14px; padding: 28px 24px;
  color: #dbe4ee;
}
.auth-logo { display: block; font-size: 22px; font-weight: 700; color: #dbe4ee; text-decoration: none; }
.auth-logo span { color: #4fc3f7; }
.auth-sub { font-size: 12.5px; color: #8fa3b8; margin: 4px 0 20px; }
.auth-erro {
  background: #2a1414; border: 1px solid #6b2020; color: #ff9b9b;
  border-radius: 8px; padding: 9px 12px; font-size: 13px; margin-bottom: 14px;
}
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 11px; border-radius: 8px; background: #fff; color: #3c4043;
  font-size: 14px; font-weight: 600; text-decoration: none; border: 1px solid #dadce0;
}
.btn-google:hover { background: #f5f6f7; }
.auth-ou { display: flex; align-items: center; gap: 10px; margin: 16px 0; color: #6b7f94; font-size: 12px; }
.auth-ou::before, .auth-ou::after { content: ''; flex: 1; height: 1px; background: #24303f; }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: #9fb1c4; }
.auth-form input {
  padding: 11px 12px; border-radius: 8px; border: 1px solid #2b3648;
  background: #0e141d; color: #dbe4ee; font-size: 16px; outline: none;
}
.auth-form input:focus { border-color: #4fc3f7; }
.btn-primario {
  margin-top: 4px; padding: 12px; border: none; border-radius: 8px;
  background: #4fc3f7; color: #06121c; font-size: 15px; font-weight: 700; cursor: pointer;
}
.btn-primario:hover { background: #6fceff; }
.auth-alt { font-size: 13px; color: #9fb1c4; margin-top: 16px; text-align: center; }
.auth-alt a, .auth-voltar a { color: #4fc3f7; text-decoration: none; }
.auth-voltar { font-size: 12px; margin-top: 12px; text-align: center; }

.membro-nav { display: flex; align-items: center; gap: 10px; }
.membro-nav .ola { font-size: 13px; color: #9fb1c4; }
.membro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.membro-item {
  background: #10161f; border: 1px solid #1e2836; border-radius: 10px; padding: 16px;
}
.membro-item h3 { font-size: 15px; margin-bottom: 6px; }
.membro-item p { font-size: 12.5px; color: #9fb1c4; line-height: 1.5; }
.tag-brevemente {
  display: inline-block; margin-top: 10px; font-size: 10.5px; text-transform: uppercase;
  letter-spacing: .5px; color: #f0b878; background: #2a1e10; border: 1px solid #6b4a1e;
  border-radius: 5px; padding: 2px 7px;
}
@media (max-width: 560px) { .membro-grid { grid-template-columns: 1fr; } }

/* selo de login no mapa/bacias */
.selo-conta {
  display: inline-flex; gap: 8px; align-items: center; margin-top: 10px; font-size: 12.5px;
}
.selo-conta a {
  color: #4fc3f7; text-decoration: none; border: 1px solid #24405a;
  border-radius: 8px; padding: 6px 10px;
}
.selo-conta a:hover { background: #16212e; }