:root {
  --bg: #12141a;
  --bg2: #181b23;
  --card: #1d212b;
  --card2: #232834;
  --linha: #2c3240;
  --txt: #e8eaf0;
  --txt2: #9aa3b5;
  --txt3: #6b7487;
  --ok: #5dd39e;
  --erro: #ef7a7a;
  --alerta: #e8a33a;
  --ac: #6ba8f5;
  --ac2: #8b7ff0;
  --raio: 14px;
  --sombra: 0 2px 14px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--txt);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 84px;
}
a { color: var(--ac); }
button, input, select, textarea { font: inherit; }

/* ------------------------------------------------------------------ topo */
header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(18,20,26,.93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linha);
}
.topo {
  max-width: 960px; margin: 0 auto;
  padding: 13px 16px 11px;
  display: flex; align-items: center; gap: 12px;
}
.topo h1 {
  margin: 0; font-size: 16px; font-weight: 650; letter-spacing: -.2px;
}
.topo h1 small { display: block; font-size: 11.5px; font-weight: 400; color: var(--txt3); letter-spacing: 0; }
.topo .sair {
  margin-left: auto; background: none; border: 1px solid var(--linha);
  color: var(--txt3); border-radius: 8px; padding: 5px 10px; font-size: 12px; cursor: pointer;
}
.topo .sair:hover { color: var(--txt); border-color: var(--txt3); }

nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  background: rgba(24,27,35,.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--linha);
  display: flex; justify-content: center;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
}
nav button {
  flex: 1 1 0; max-width: 120px;
  background: none; border: 0; cursor: pointer;
  color: var(--txt3); padding: 6px 2px 4px;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 10.5px; letter-spacing: .1px; border-radius: 10px;
}
nav button .ic { font-size: 16px; line-height: 1; opacity: .5; filter: saturate(.6); }
nav button.on { color: var(--ac); font-weight: 600; }
nav button.on .ic { opacity: 1; filter: none; transform: translateY(-1px); }

main { max-width: 960px; margin: 0 auto; padding: 18px 16px 24px; }
.vista { display: none; animation: sobe .22s ease; }
.vista.on { display: block; }
@keyframes sobe { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* --------------------------------------------------------------- blocos */
h2.sec {
  font-size: 12px; text-transform: uppercase; letter-spacing: .9px;
  color: var(--txt3); margin: 26px 0 10px; font-weight: 600;
}
h2.sec:first-child { margin-top: 4px; }

.card {
  background: var(--card); border: 1px solid var(--linha);
  border-radius: var(--raio); padding: 15px 16px; margin-bottom: 12px;
  box-shadow: var(--sombra);
}
.card h3 { margin: 0 0 6px; font-size: 15.5px; font-weight: 620; letter-spacing: -.1px; }
.card p { margin: 0 0 8px; color: var(--txt2); font-size: 14px; }
.card p:last-child { margin-bottom: 0; }

.grid { display: grid; gap: 12px; }
@media (min-width: 700px) { .g2 { grid-template-columns: 1fr 1fr; } }

.num { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin-bottom: 14px; }
.num div {
  background: var(--card); border: 1px solid var(--linha); border-radius: 12px;
  padding: 11px 8px; text-align: center;
}
.num b { display: block; font-size: 21px; font-weight: 680; letter-spacing: -.6px; }
.num span { font-size: 10.5px; color: var(--txt3); letter-spacing: .2px; }
@media (max-width: 420px) { .num b { font-size: 18px; } .num span { font-size: 9.5px; } }

.eti {
  display: inline-block; font-size: 10.5px; letter-spacing: .5px; text-transform: uppercase;
  padding: 2.5px 8px; border-radius: 999px; font-weight: 600;
}
.eti.alta { background: rgba(239,122,122,.16); color: var(--erro); }
.eti.media { background: rgba(232,163,58,.16); color: var(--alerta); }
.eti.baixa { background: rgba(107,168,245,.14); color: var(--ac); }
.eti.ok { background: rgba(93,211,158,.15); color: var(--ok); }
.eti.atual { background: rgba(139,127,240,.18); color: var(--ac2); }

.botao {
  display: block; width: 100%; text-align: center; cursor: pointer;
  background: linear-gradient(135deg, var(--ac), var(--ac2));
  color: #0f1117; border: 0; border-radius: 12px;
  padding: 14px; font-size: 15px; font-weight: 650; letter-spacing: -.1px;
  margin: 4px 0 14px;
}
.botao:active { transform: scale(.99); }
.botao.sec {
  background: var(--card2); color: var(--txt); border: 1px solid var(--linha);
  font-weight: 550; font-size: 14px; padding: 11px;
}
.botao[disabled] { opacity: .45; cursor: default; }

.barra { height: 6px; background: var(--card2); border-radius: 99px; overflow: hidden; }
.barra i { display: block; height: 100%; border-radius: 99px; transition: width .4s ease; }

/* --------------------------------------------------------------- treino */
.q { background: var(--card); border: 1px solid var(--linha); border-radius: var(--raio); padding: 18px 17px; }
.q .cab { display: flex; align-items: center; gap: 8px; margin-bottom: 13px; font-size: 11.5px; color: var(--txt3); }
.q .cab .passo { margin-left: auto; font-variant-numeric: tabular-nums; }
.q .frase {
  font-size: 19px; line-height: 1.45; font-weight: 500; margin: 0 0 16px;
  letter-spacing: -.2px;
}
.q .frase em { font-style: normal; color: var(--alerta); }
.q .instr { font-size: 12.5px; color: var(--txt3); margin: -10px 0 14px; }

.ops { display: grid; gap: 8px; }
.op {
  text-align: left; cursor: pointer; width: 100%;
  background: var(--card2); border: 1.5px solid var(--linha); color: var(--txt);
  border-radius: 11px; padding: 13px 15px; font-size: 15px;
}
.op:hover:not(:disabled) { border-color: var(--txt3); }
.op.certa { border-color: var(--ok); background: rgba(93,211,158,.12); }
.op.errada { border-color: var(--erro); background: rgba(239,122,122,.12); }
.op:disabled { cursor: default; }

.resp-livre {
  width: 100%; background: var(--card2); border: 1.5px solid var(--linha);
  color: var(--txt); border-radius: 11px; padding: 13px 15px; font-size: 16px;
  font-family: inherit;
}
.resp-livre:focus { outline: 0; border-color: var(--ac); }

.palavras { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }
.palavras button {
  background: var(--card2); border: 1.5px solid var(--linha); color: var(--txt);
  border-radius: 9px; padding: 9px 12px; font-size: 15px; cursor: pointer;
}
.palavras button.usada { opacity: .3; }
.montada {
  min-height: 48px; background: var(--bg2); border: 1.5px dashed var(--linha);
  border-radius: 11px; padding: 12px 14px; font-size: 16px; margin-bottom: 12px;
  color: var(--txt);
}
.montada:empty::after { content: "monte a frase aqui"; color: var(--txt3); font-size: 14px; }

.feedback { margin-top: 14px; border-radius: 11px; padding: 13px 15px; font-size: 14px; }
.feedback.bom { background: rgba(93,211,158,.1); border: 1px solid rgba(93,211,158,.3); }
.feedback.ruim { background: rgba(239,122,122,.1); border: 1px solid rgba(239,122,122,.3); }
.feedback b { display: block; margin-bottom: 5px; }
.feedback .certo { font-size: 17px; color: var(--ok); font-weight: 550; margin: 6px 0; }

/* ------------------------------------------------------------ pronuncia */
.pron { display: flex; align-items: flex-start; gap: 13px; }
.pron .play {
  flex: none; width: 44px; height: 44px; border-radius: 50%;
  background: var(--card2); border: 1px solid var(--linha); color: var(--ac);
  font-size: 17px; cursor: pointer; display: grid; place-items: center;
}
.pron .play:active { background: var(--ac); color: #0f1117; }
.pron .txt { flex: 1; min-width: 0; }
.pron .pal { font-size: 17px; font-weight: 600; letter-spacing: -.2px; }
.pron .fon { font-size: 13.5px; color: var(--alerta); font-family: ui-monospace, Menlo, Consolas, monospace; margin: 2px 0 6px; }
.pron .dica { font-size: 13.5px; color: var(--txt2); }

/* --------------------------------------------------------------- listas */
.lista li { margin-bottom: 7px; color: var(--txt2); font-size: 14px; }
.lista { padding-left: 19px; margin: 8px 0 0; }

details.regra { background: var(--card); border: 1px solid var(--linha); border-radius: var(--raio); margin-bottom: 10px; overflow: hidden; }
details.regra > summary {
  cursor: pointer; padding: 14px 16px; font-size: 15px; font-weight: 580; list-style: none;
  display: flex; align-items: center; gap: 9px;
}
details.regra > summary::-webkit-details-marker { display: none; }
details.regra > summary::after { content: "+"; margin-left: auto; color: var(--txt3); font-size: 18px; }
details.regra[open] > summary::after { content: "−"; }
details.regra .corpo { padding: 0 16px 15px; }
.regra-frase { font-size: 14.5px; color: var(--ac); font-weight: 520; margin-bottom: 10px; }
.regra-arm {
  margin-top: 11px; padding: 10px 12px; background: rgba(232,163,58,.09);
  border-left: 3px solid var(--alerta); border-radius: 0 8px 8px 0;
  font-size: 13.5px; color: var(--txt2);
}

.timeline { position: relative; padding-left: 20px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--linha); }
.aula { position: relative; margin-bottom: 16px; }
.aula::before {
  content: ""; position: absolute; left: -18.5px; top: 7px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--ac); border: 2px solid var(--bg);
}
.aula .data { font-size: 11.5px; color: var(--txt3); letter-spacing: .3px; }
.aula h4 { margin: 2px 0 8px; font-size: 15px; font-weight: 600; }
.marco { font-size: 13.5px; padding: 7px 11px; border-radius: 9px; margin-bottom: 6px; }
.marco.acerto { background: rgba(93,211,158,.1); color: #b6e7d1; }
.marco.erro { background: rgba(239,122,122,.1); color: #f0bdbd; }
.marco.nota { background: var(--card2); color: var(--txt2); }
.marco.pendencia { background: rgba(232,163,58,.11); color: #edd3a6; }

.par { display: flex; gap: 10px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--linha); font-size: 14px; }
.par:last-child { border-bottom: 0; }
.par .x { color: var(--erro); text-decoration: line-through; text-decoration-color: rgba(239,122,122,.5); flex: 1; }
.par .v { color: var(--ok); flex: 1; }
.par .seta { color: var(--txt3); }
@media (max-width: 520px) { .par { flex-wrap: wrap; } .par .x, .par .v { flex: 1 1 100%; } .par .seta { display: none; } }

.pend {
  display: flex; gap: 12px; align-items: flex-start;
  cursor: pointer; padding: 9px 0; margin: 0 -4px;
  border-radius: 10px; padding-left: 4px; padding-right: 4px;
}
.pend:active { background: var(--card2); }
.pend input {
  width: 26px; height: 26px; accent-color: var(--ok);
  margin-top: 1px; flex: none;
}
.pend.feita .pend-txt { opacity: .45; text-decoration: line-through; }

.nota-item { display: flex; gap: 10px; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid var(--linha); font-size: 14px; }
.nota-item time { color: var(--txt3); font-size: 11.5px; flex: none; width: 46px; }
.nota-item .del { margin-left: auto; background: none; border: 0; color: var(--txt3); cursor: pointer; font-size: 15px; }

.vazio { color: var(--txt3); font-size: 14px; text-align: center; padding: 28px 10px; }

/* ---------------------------------------------------------------- login */
.login-wrap {
  display: grid; place-items: center; padding: 24px;
  min-height: 100vh;   /* fallback */
  min-height: 100dvh;  /* celular: desconta a barra do navegador */
}
.login-box { width: 100%; max-width: 330px; text-align: center; }
.login-box h1 { font-size: 21px; margin: 0 0 4px; letter-spacing: -.4px; }
.login-box p { color: var(--txt3); font-size: 13.5px; margin: 0 0 22px; }
.login-box input {
  width: 100%; background: var(--card); border: 1.5px solid var(--linha); color: var(--txt);
  border-radius: 11px; padding: 13px 15px; font-size: 16px; text-align: center; margin-bottom: 10px;
}
.login-box input:focus { outline: 0; border-color: var(--ac); }
.login-box .erro { color: var(--erro); font-size: 13px; min-height: 18px; }

/* ============================================ painel: fase e proximo passo */
.card.fase { padding-bottom: 16px; }
.fase-topo {
  font-size: 10.5px; letter-spacing: 1px; color: var(--txt3);
  font-weight: 600; margin-bottom: 14px;
}
.trilha { display: flex; margin: 0 0 15px; }
.etapa { flex: 1; text-align: center; position: relative; min-width: 0; }
.etapa::before {
  content: ""; position: absolute; top: 6px; left: -50%; width: 100%;
  height: 2px; background: var(--linha);
}
.etapa:first-child::before { display: none; }
.etapa i {
  display: block; width: 14px; height: 14px; border-radius: 50%;
  margin: 0 auto 7px; position: relative; z-index: 1;
  background: var(--card2); border: 2px solid var(--linha);
}
.etapa span {
  display: block; font-size: 11px; line-height: 1.3; color: var(--txt3);
  padding: 0 3px; word-break: break-word;
}
.etapa.feita i { background: var(--ok); border-color: var(--ok); }
.etapa.feita::before { background: var(--ok); }
.etapa.feita span { color: var(--txt2); }
.etapa.aqui i {
  background: var(--ac); border-color: var(--ac);
  box-shadow: 0 0 0 4px rgba(107,168,245,.22);
}
.etapa.aqui span { color: var(--ac); font-weight: 650; }
.fase-nome { font-size: 19px; font-weight: 650; letter-spacing: -.3px; margin-top: 4px; }
.fase-obj { font-size: 13.5px; color: var(--txt2); margin-top: 4px; }

.card.agora {
  border-color: rgba(107,168,245,.42);
  background: linear-gradient(160deg, rgba(107,168,245,.09), rgba(139,127,240,.05)), var(--card);
}
.agora-eti {
  font-size: 10.5px; letter-spacing: 1px; color: var(--ac);
  font-weight: 700; margin-bottom: 7px;
}
.agora-nome { font-size: 20px; font-weight: 660; letter-spacing: -.35px; }
.agora-motivo { font-size: 14px; color: var(--txt2); margin: 5px 0 14px; }
.agora-nota { font-size: 12.5px; color: var(--txt3); text-align: center; margin-top: 9px; line-height: 1.45; }
.card.agora .botao { margin-bottom: 0; }

/* ----------------------------------------------------- faixas e blocos */
.faixa { margin-bottom: 16px; }
.faixa-cab {
  display: flex; align-items: baseline; gap: 9px;
  font-size: 14px; margin-bottom: 2px;
}
.faixa-cab b { font-weight: 620; }
.faixa-cab span { margin-left: auto; font-size: 11.5px; color: var(--txt3); flex: none; }
.faixa-sub { font-size: 12.5px; color: var(--txt3); margin-bottom: 9px; }

.blocos { display: grid; gap: 8px; }
.bloco {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: var(--card); border: 1px solid var(--linha); border-radius: 12px;
  padding: 13px 14px; cursor: pointer; color: var(--txt);
}
.bloco:hover { border-color: var(--txt3); }
.bloco:active { transform: scale(.995); }
.bloco-txt { flex: 1; min-width: 0; }
.bloco-nome { font-size: 14.5px; font-weight: 570; display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.bloco-motivo { font-size: 12.5px; color: var(--txt3); margin-top: 3px; }
.bloco-ir { flex: none; font-size: 11.5px; color: var(--txt3); white-space: nowrap; }
.bloco-ir span { font-size: 17px; vertical-align: -2px; margin-left: 3px; color: var(--txt2); }

.est {
  font-size: 10.5px; letter-spacing: .3px; padding: 2px 7px;
  border-radius: 999px; font-weight: 600; white-space: nowrap;
}
.est.novo    { background: rgba(107,168,245,.16); color: var(--ac); }
.est.andando { background: rgba(232,163,58,.15); color: var(--alerta); }
.est.firme   { background: rgba(93,211,158,.15); color: var(--ok); }
.est.sempre  { background: rgba(139,127,240,.18); color: var(--ac2); }
.est.revisar { background: rgba(239,122,122,.16); color: var(--erro); }

@media (max-width: 400px) {
  .etapa span { font-size: 10px; }
  .agora-nome { font-size: 18px; }
}

/* --------------------------------------------------------------- matéria */
.areas { display: flex; flex-wrap: wrap; gap: 7px; margin: 11px 0 16px; }
.area-chip {
  background: var(--card); border: 1px solid var(--linha); color: var(--txt2);
  border-radius: 999px; padding: 7px 13px; font-size: 13px; cursor: pointer;
}
.area-chip.on { background: var(--card2); border-color: var(--ac); color: var(--ac); font-weight: 600; }

details.regra > summary .mat-tit { flex: 1; }
.mat-rodape { color: var(--txt3); font-size: 11.5px; margin-top: 11px; }

.exs { margin-top: 11px; display: grid; gap: 8px; }
.ex {
  background: var(--bg2); border-left: 3px solid var(--ac);
  border-radius: 0 9px 9px 0; padding: 9px 12px;
}
.ex b { display: block; font-size: 14.5px; font-weight: 550; color: var(--txt); }
.ex i { display: block; font-style: normal; font-size: 12.5px; color: var(--txt3); margin-top: 2px; }

.pals { margin-top: 10px; }
.pal-linha {
  display: grid; grid-template-columns: 1fr; gap: 3px;
  padding: 9px 0; border-bottom: 1px solid var(--linha);
  overflow-wrap: anywhere;
}
.pal-linha:last-child { border-bottom: 0; }
.pal-linha b { font-size: 14.5px; font-weight: 570; min-width: 0; }
.pal-linha span { color: var(--txt2); font-size: 13.5px; min-width: 0; }
.pal-linha i {
  font-style: normal; font-size: 12px; color: var(--alerta);
  background: rgba(232,163,58,.1); padding: 3px 9px; border-radius: 7px;
  justify-self: start; margin-top: 2px;
}
@media (min-width: 520px) {
  .pal-linha { grid-template-columns: 165px 1fr; gap: 4px 12px; align-items: baseline; }
  .pal-linha i { grid-column: 1 / -1; }
}

details.regra .corpo .botao.sec { margin-top: 13px; margin-bottom: 0; }