:root {
  --fundo: #0f1220;
  --fundo2: #161a2e;
  --cartao: #1c2138;
  --borda: #2a3052;
  --texto: #eef0fb;
  --suave: #9aa1c4;
  --primaria: #7c6cff;
  --primaria2: #a596ff;
  --verde: #34d399;
  --vermelho: #f87171;
  --amarelo: #fbbf24;
  --azul: #60a5fa;
  --raio: 18px;
  --cor: 124, 108, 255; /* cor do humor (r,g,b) — muda na aula */
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--fundo); color: var(--texto);
  font-family: Nunito, system-ui, -apple-system, Segoe UI, sans-serif; font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: var(--texto); }
[hidden] { display: none !important; }

/* ---------- botões e campos ---------- */
.btn { border: 0; border-radius: 14px; padding: 12px 18px; font-weight: 800; background: var(--cartao); border: 1px solid var(--borda); }
.btn.primario { background: linear-gradient(135deg, var(--primaria), #5b8cff); border: 0; color: #fff; box-shadow: 0 8px 24px rgba(124,108,255,.35); }
.btn.perigo { background: rgba(248,113,113,.14); border-color: rgba(248,113,113,.4); color: #fecaca; }
.btn.verde { background: rgba(52,211,153,.16); border-color: rgba(52,211,153,.45); color: #bbf7d0; }
.btn:disabled { opacity: .5; cursor: default; }
.btn-icone { border: 1px solid var(--borda); background: var(--cartao); width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-size: 18px; flex: none; }
.btn-icone.grande { width: 56px; height: 56px; font-size: 24px; }
.btn-icone.off { background: rgba(248,113,113,.2); border-color: var(--vermelho); }
.campo { width: 100%; background: var(--fundo2); border: 1px solid var(--borda); border-radius: 12px; padding: 12px 14px; outline: none; }
.campo:focus { border-color: var(--primaria); }
.erro-txt { color: var(--vermelho); min-height: 1.2em; font-size: 14px; }

/* ---------- PIN ---------- */
.pin { min-height: 100%; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 50% 20%, #26205a, var(--fundo) 60%); }
.pin-box { width: min(340px, 100%); text-align: center; display: grid; gap: 14px; }
.pin-box p { color: var(--suave); margin: 0; }
.pin-box input { text-align: center; font-size: 24px; letter-spacing: 8px; background: var(--fundo2); border: 1px solid var(--borda); border-radius: 14px; padding: 14px; outline: none; }
.logo-grande { font-size: 42px; font-weight: 900; background: linear-gradient(135deg, #b9adff, #6ee7f9); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- casca ---------- */
#app { min-height: 100%; display: flex; flex-direction: column; }
.topo { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: calc(10px + env(safe-area-inset-top)) 16px 10px; background: rgba(15,18,32,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--borda); }
.logo { font-weight: 900; font-size: 22px; background: linear-gradient(135deg, #b9adff, #6ee7f9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.chips-topo { display: flex; gap: 8px; }
.chip-topo { background: var(--cartao); border: 1px solid var(--borda); border-radius: 999px; padding: 5px 11px; font-weight: 800; font-size: 14px; }
.tela { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 16px 16px calc(96px + env(safe-area-inset-bottom)); }
.abas { position: fixed; bottom: 0; left: 0; right: 0; z-index: 5; display: flex; justify-content: center; gap: 2px; padding: 6px 6px calc(6px + env(safe-area-inset-bottom)); background: rgba(15,18,32,.94); backdrop-filter: blur(10px); border-top: 1px solid var(--borda); }
.abas button { flex: 1; max-width: 120px; background: none; border: 0; border-radius: 12px; padding: 6px 2px; font-size: 11.5px; font-weight: 700; color: var(--suave); display: grid; justify-items: center; gap: 2px; }
.abas button span { font-size: 20px; }
.abas button.ativa { color: var(--texto); background: var(--cartao); }

/* ---------- cartões e seções ---------- */
.card { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 16px; margin-bottom: 14px; }
.card h2, .card h3 { margin: 0 0 10px; font-size: 17px; }
.titulo-tela { font-size: 24px; font-weight: 900; margin: 4px 0 14px; }
.sub { color: var(--suave); font-size: 14px; margin: 0 0 10px; }
.vazio { color: var(--suave); text-align: center; padding: 26px 10px; }
.linha { display: flex; gap: 10px; align-items: center; }
.entre { justify-content: space-between; }
.grade2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* início */
.ola { font-size: 26px; font-weight: 900; margin: 6px 0 2px; }
.meta { display: flex; align-items: center; gap: 16px; }
.anel { width: 86px; height: 86px; flex: none; }
.anel circle { fill: none; stroke-width: 9; }
.anel .fundo-anel { stroke: var(--borda); }
.anel .valor-anel { stroke: url(#gradAnel); stroke-linecap: round; transform: rotate(-90deg); transform-origin: 50% 50%; transition: stroke-dashoffset .6s; }
.anel text { fill: var(--texto); font-weight: 900; font-size: 20px; text-anchor: middle; dominant-baseline: central; }
.opcoes { display: flex; flex-wrap: wrap; gap: 8px; }
.opcao { border: 1px solid var(--borda); background: var(--fundo2); border-radius: 14px; padding: 10px 12px; font-weight: 700; text-align: left; display: grid; gap: 2px; flex: 1 1 140px; }
.opcao small { color: var(--suave); font-weight: 600; font-size: 12.5px; }
.opcao.sel { border-color: var(--primaria); background: rgba(124,108,255,.16); box-shadow: inset 0 0 0 1px var(--primaria); }
.opcao.humor-brava.sel { border-color: #f97316; background: rgba(249,115,22,.15); box-shadow: inset 0 0 0 1px #f97316; }
.opcao.humor-paciente.sel { border-color: var(--verde); background: rgba(52,211,153,.13); box-shadow: inset 0 0 0 1px var(--verde); }
.comecar { width: 100%; font-size: 19px; padding: 16px; margin-top: 4px; }
.aviso-revisar { display: flex; gap: 12px; align-items: center; border-color: rgba(251,191,36,.45); background: rgba(251,191,36,.08); }
.aviso-revisar b { color: var(--amarelo); }

/* caderno / palavras */
.filtros { display: flex; gap: 6px; margin-bottom: 12px; overflow-x: auto; }
.filtro { border: 1px solid var(--borda); background: var(--cartao); border-radius: 999px; padding: 7px 13px; font-weight: 700; font-size: 14px; white-space: nowrap; }
.filtro.ativo { background: var(--primaria); border-color: var(--primaria); color: #fff; }
.erro-item .errado { color: #fca5a5; text-decoration: line-through; text-decoration-color: rgba(252,165,165,.6); }
.erro-item .certo { color: #bbf7d0; font-weight: 800; font-size: 17px; margin: 4px 0; }
.erro-item .expl { color: var(--suave); font-size: 14px; }
.etiqueta { display: inline-block; font-size: 11.5px; font-weight: 800; padding: 2px 8px; border-radius: 999px; background: var(--fundo2); border: 1px solid var(--borda); color: var(--suave); }
.caixas { display: inline-flex; gap: 3px; vertical-align: middle; }
.caixas i { width: 8px; height: 8px; border-radius: 50%; background: var(--borda); }
.caixas i.on { background: var(--verde); }
.palavra-item .pal { font-weight: 900; font-size: 18px; }
.palavra-item .trad { color: var(--suave); }
.palavra-item .ex { font-style: italic; color: #c7cbe6; font-size: 14px; margin-top: 4px; }

/* progresso */
.numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.numero { background: var(--fundo2); border: 1px solid var(--borda); border-radius: 14px; padding: 12px; text-align: center; }
.numero b { display: block; font-size: 24px; font-weight: 900; }
.numero span { color: var(--suave); font-size: 12.5px; }
.barras { display: flex; align-items: flex-end; gap: 4px; height: 120px; padding-top: 10px; }
.barras div { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 4px; height: 100%; }
.barras i { width: 100%; border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--primaria2), var(--primaria)); min-height: 2px; }
.barras i.meta-ok { background: linear-gradient(180deg, #6ee7b7, var(--verde)); }
.barras small { font-size: 10px; color: var(--suave); }
.notas { display: grid; gap: 10px; }
.nota-linha { display: grid; grid-template-columns: 96px 1fr 34px; gap: 10px; align-items: center; font-size: 14px; }
.nota-barra { height: 10px; border-radius: 6px; background: var(--fundo2); overflow: hidden; }
.nota-barra i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--primaria), #6ee7f9); }
.aula-item { display: flex; justify-content: space-between; gap: 10px; align-items: center; width: 100%; background: var(--fundo2); border: 1px solid var(--borda); border-radius: 12px; padding: 10px 12px; margin-bottom: 8px; text-align: left; }
.aula-item small { color: var(--suave); }

/* relatório */
.rel-topo { text-align: center; padding: 8px 0 4px; }
.rel-topo .grande { font-size: 44px; }
.lista { margin: 0; padding-left: 20px; }
.lista li { margin: 4px 0; }

/* perfil */
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; color: var(--suave); }
.fato { display: flex; justify-content: space-between; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--borda); }
.fato:last-child { border-bottom: 0; }
.fato button { background: none; border: 0; color: var(--suave); font-size: 18px; }

/* ---------- aula ---------- */
.aula { position: fixed; inset: 0; z-index: 20; display: flex; flex-direction: column; background-color: var(--fundo); background-image: radial-gradient(circle at 50% 22%, rgba(var(--cor), .22), transparent 62%); }
.aula-topo { display: flex; align-items: center; gap: 12px; padding: calc(10px + env(safe-area-inset-top)) 14px 10px; }
.aula-info { flex: 1; display: grid; line-height: 1.2; }
.aula-info span { color: var(--suave); font-size: 12.5px; }
.aula-tempo { font-weight: 900; font-variant-numeric: tabular-nums; background: var(--cartao); border: 1px solid var(--borda); border-radius: 999px; padding: 6px 12px; }
.aula-corpo { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 10px; padding: 0 14px; width: 100%; max-width: 1100px; margin: 0 auto; }
.aula-palco { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 4px; }
.aula-estado { font-weight: 800; color: rgba(var(--cor), 1); font-size: 14px; letter-spacing: .3px; min-height: 1.2em; }
.legenda { width: 100%; max-width: 640px; text-align: center; border-radius: 16px; padding: 10px 14px; min-height: 0; }
.legenda:empty { display: none; }
.legenda.prof { font-size: 19px; font-weight: 700; background: rgba(var(--cor), .12); border: 1px solid rgba(var(--cor), .3); }
.legenda.rafa { font-size: 15px; color: var(--suave); }
.legenda.rafa::before { content: "Você: "; font-weight: 800; color: var(--texto); }
.cartoes { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding-bottom: 8px; }
.cartao { border-radius: 14px; padding: 10px 12px; border: 1px solid var(--borda); background: var(--cartao); animation: entra .35s ease-out; }
.cartao .rot { font-size: 11.5px; font-weight: 900; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 4px; }
.cartao.correcao { border-color: rgba(248,113,113,.45); }
.cartao.correcao .rot { color: var(--vermelho); }
.cartao.palavra { border-color: rgba(96,165,250,.45); }
.cartao.palavra .rot { color: var(--azul); }
.cartao.repete { border-color: rgba(251,191,36,.55); background: rgba(251,191,36,.08); }
.cartao.repete .rot { color: var(--amarelo); }
.cartao.repete .frase { font-size: 20px; font-weight: 900; }
.cartao.sistema { border-style: dashed; color: var(--suave); font-size: 14px; }
.cartao .acoes { display: flex; gap: 8px; margin-top: 8px; }
.cartao .acoes button { border: 1px solid var(--borda); background: var(--fundo2); border-radius: 10px; padding: 6px 10px; font-weight: 700; font-size: 13px; }
@keyframes entra { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.aula-base { display: flex; gap: 10px; align-items: center; padding: 10px 14px calc(12px + env(safe-area-inset-bottom)); width: 100%; max-width: 1100px; margin: 0 auto; }
.aula-form { flex: 1; display: flex; gap: 8px; min-width: 0; }
.aula-form input { flex: 1; min-width: 0; background: var(--cartao); border: 1px solid var(--borda); border-radius: 999px; padding: 0 16px; height: 44px; outline: none; }

@media (min-width: 900px) {
  .aula-corpo { flex-direction: row; align-items: stretch; }
  .aula-palco { flex: 1.2; justify-content: center; }
  .cartoes { flex: 1; max-width: 420px; padding-top: 10px; }
}

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: calc(90px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 50; background: #262c4d; border: 1px solid var(--borda); border-radius: 12px; padding: 10px 16px; font-weight: 700; max-width: calc(100% - 32px); box-shadow: 0 10px 30px rgba(0,0,0,.4); }