/* ==========================================================================
   Escrita em Prática — Portal do Aluno (mock)
   Paleta extraída da página do cliente (felipeinsigne.com/mpr)
   ========================================================================== */

:root {
  /* Marca */
  --azul:        #272AAD;
  --azul-claro:  #5981E3;
  --azul-fundo:  #1B1D7A;
  --lima:        #95E914;
  --lima-escuro: #6FB80A;
  --laranja:     #EF4E23;
  --escuro:      #191C1F;

  /* Tinta */
  --ink:    #191C1F;
  --ink-2:  #4A4E57;
  --ink-3:  #8A8F99;

  /* Superfícies */
  --surface: #FFFFFF;
  --bg:      #F5F6FB;
  --bg-alt:  #EEF0F9;
  --linha:   #E4E7F2;

  /* Estado */
  --ok:      #12855B;
  --ok-bg:   #E4F5EE;
  --aguard:  #B26A00;
  --aguard-bg:#FDF0DC;

  --radius:    16px;
  --radius-sm: 10px;
  --sombra:    0 1px 2px rgba(25,28,31,.06), 0 8px 24px rgba(25,28,31,.06);
  --sombra-lg: 0 2px 4px rgba(25,28,31,.06), 0 24px 48px rgba(25,28,31,.12);
  --max: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Montserrat, "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; font-weight: 800; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; font-weight: 700; }
p  { margin: 0 0 1rem; }
a  { color: var(--azul); text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 24px; }
.secao { padding: 88px 0; }
.secao--cinza { background: var(--bg); }
.secao__topo { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.secao__topo p { color: var(--ink-2); font-size: 1.05rem; margin: 0; }

.olho {
  display: inline-block; font-size: .75rem; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--azul); margin-bottom: 14px;
}

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.logo__marca {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-claro) 100%);
  color: #fff; display: grid; place-items: center; font-size: .95rem; font-weight: 800;
}
.logo__texto { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.logo__texto b { font-size: .98rem; white-space: nowrap; }
.logo__texto span { font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; white-space: nowrap; }
.logo--claro { color: #fff; }
.logo--claro .logo__marca { background: #fff; color: var(--azul); }
.logo--claro .logo__texto span { color: rgba(255,255,255,.6); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: .95rem; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-align: center; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--azul-claro); outline-offset: 3px; }
.btn--primaria { background: var(--lima); color: #14260A; box-shadow: 0 6px 18px rgba(149,233,20,.38); }
.btn--primaria:hover { background: #A6F52C; }
.btn--azul { background: var(--azul); color: #fff; box-shadow: 0 6px 18px rgba(39,42,173,.28); }
.btn--azul:hover { background: #1F2296; }
.btn--contorno { border-color: var(--linha); color: var(--ink); background: transparent; }
.btn--contorno:hover { border-color: var(--azul); color: var(--azul); }
.btn--claro { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.3); }
.btn--claro:hover { background: rgba(255,255,255,.2); }
.btn--bloco { width: 100%; }
.btn--sm { padding: 10px 18px; font-size: .85rem; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--linha);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }
.header__inner > .logo { flex: none; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: var(--ink-2); font-weight: 600; font-size: .92rem; white-space: nowrap; }
.nav a:hover { color: var(--azul); }
.header__acoes { display: flex; align-items: center; gap: 10px; flex: none; }

/* Botão do menu compacto — só aparece em tablet e celular. */
.menu-botao {
  display: none; width: 42px; height: 42px; border-radius: 11px; flex: none;
  border: 1.5px solid var(--linha); background: var(--surface); color: var(--ink);
  cursor: pointer; place-items: center; padding: 0;
}
.menu-botao svg { width: 21px; height: 21px; }
.rot-curto { display: none; }
.menu-botao[aria-expanded="true"] { border-color: var(--azul); color: var(--azul); }

.menu-painel {
  border-top: 1px solid var(--linha); background: var(--surface);
  box-shadow: 0 18px 30px rgba(25,28,31,.08); padding: 14px 0 20px;
}
.menu-painel[hidden] { display: none; }
.menu-painel .container { display: grid; gap: 2px; }
.menu-painel a:not(.btn) {
  padding: 13px 4px; font-weight: 600; font-size: .98rem; color: var(--ink);
  border-bottom: 1px solid var(--linha);
}
.menu-painel a:not(.btn):hover { color: var(--azul); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(150deg, var(--azul-fundo) 0%, var(--azul) 45%, #3A4BD0 100%);
  padding: 96px 0 104px;
}
.hero::after {
  content: ""; position: absolute; inset: auto -10% -60% 55%; height: 520px;
  background: radial-gradient(closest-side, rgba(149,233,20,.22), transparent);
  pointer-events: none;
}
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.hero .olho { color: var(--lima); }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--lima); }
.hero__sub { font-size: 1.12rem; color: rgba(255,255,255,.82); max-width: 34em; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 24px; }
.hero__nota { font-size: .85rem; color: rgba(255,255,255,.65); display: flex; align-items: center; gap: 8px; }

/* Mockup no hero */
.mock {
  background: var(--surface); border-radius: 20px; box-shadow: var(--sombra-lg);
  overflow: hidden; transform: perspective(1400px) rotateY(-7deg) rotateX(3deg);
}
.mock__barra { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: var(--escuro); }
.mock__barra i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.22); }
.mock__corpo { padding: 22px; }
.mock__linha { height: 10px; border-radius: 5px; background: var(--bg-alt); margin-bottom: 10px; }
.mock__linha.curta { width: 55%; }
.mock__nota {
  display: flex; align-items: baseline; gap: 10px; margin: 18px 0 6px;
  font-weight: 800; color: var(--azul); font-size: 2rem; letter-spacing: -.03em;
}
.mock__nota small { font-size: .78rem; font-weight: 700; color: var(--ok); background: var(--ok-bg); padding: 3px 9px; border-radius: 999px; }
.mock__barras { display: flex; align-items: flex-end; gap: 8px; height: 76px; margin-top: 18px; }
.mock__barras span { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--azul-claro), var(--azul)); }
.mock__rodape { display: flex; justify-content: space-between; font-size: .68rem; color: var(--ink-3); font-weight: 700; margin-top: 8px; }

/* ---------- Prova social ---------- */
.prova { background: var(--escuro); color: #fff; padding: 40px 0; }
.prova__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.prova__num { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--lima); letter-spacing: -.03em; }
.prova__rot { font-size: .78rem; color: rgba(255,255,255,.6); font-weight: 600; }

/* ---------- Cards de recurso ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra); border-color: transparent; }
.card__icone {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-alt); color: var(--azul); margin-bottom: 18px;
}
.card__icone svg { width: 22px; height: 22px; }
.card p { color: var(--ink-2); font-size: .93rem; margin: 0; }
.card--destaque { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(39,42,173,.07); }
.card--destaque .card__icone { background: var(--azul); color: #fff; }
.tag-novo {
  font-size: .62rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  background: var(--lima); color: #14260A; padding: 3px 8px; border-radius: 999px; margin-left: 8px;
  vertical-align: middle;
}

/* ---------- Passos ---------- */
.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: passo; }
.passo { position: relative; padding-top: 8px; }
.passo::before {
  counter-increment: passo; content: counter(passo);
  font-size: 3.4rem; font-weight: 800; color: var(--bg-alt); line-height: 1;
  display: block; margin-bottom: 6px; letter-spacing: -.04em;
}
.passo p { color: var(--ink-2); font-size: .93rem; margin: 0; }

/* ---------- Depoimentos ---------- */
.depo {
  background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.depo__estrelas { color: var(--laranja); letter-spacing: 2px; font-size: .9rem; }
.depo blockquote { margin: 0; font-size: .96rem; color: var(--ink-2); }
.depo__autor { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.depo__foto {
  width: 42px; height: 42px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul-claro), var(--azul)); color: #fff; font-weight: 800; font-size: .9rem;
}
.depo__autor b { display: block; font-size: .9rem; }
.depo__autor span { font-size: .78rem; color: var(--ink-3); }
.aviso-mock {
  margin-top: 32px; text-align: center; font-size: .78rem; color: var(--ink-3);
  background: var(--bg-alt); border-radius: 999px; padding: 8px 18px; display: inline-block;
}
.aviso-wrap { text-align: center; }

/* ---------- Preço ---------- */
.preco {
  max-width: 520px; margin: 0 auto; background: var(--surface); border-radius: 22px;
  box-shadow: var(--sombra-lg); overflow: hidden; text-align: center; border: 1px solid var(--linha);
}
.preco__topo { background: linear-gradient(135deg, var(--azul-fundo), var(--azul)); color: #fff; padding: 30px 28px; }
.preco__topo h3 { color: #fff; margin: 0 0 6px; font-size: 1.3rem; }
.preco__topo p { margin: 0; color: rgba(255,255,255,.75); font-size: .88rem; }
.preco__corpo { padding: 34px 28px 36px; }
.preco__valor { display: flex; align-items: baseline; justify-content: center; gap: 6px; margin-bottom: 4px; }
.preco__valor s { color: var(--ink-3); font-size: 1rem; margin-right: 8px; }
.preco__valor b { font-size: 3.2rem; font-weight: 800; letter-spacing: -.04em; }
.preco__valor span { color: var(--ink-2); font-weight: 700; }
.preco__nota { font-size: .82rem; color: var(--ink-3); margin-bottom: 24px; }
.preco__lista { list-style: none; padding: 0; margin: 0 0 28px; text-align: left; display: grid; gap: 11px; }
.preco__lista li { display: flex; gap: 10px; font-size: .92rem; color: var(--ink-2); align-items: flex-start; }
.preco__lista svg { width: 18px; height: 18px; color: var(--ok); flex: none; margin-top: 3px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--linha); padding: 4px 0;
}
.faq summary {
  cursor: pointer; padding: 20px 40px 20px 0; font-weight: 700; font-size: 1rem;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--azul); transition: transform .2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); font-size: .93rem; padding-right: 40px; margin: 0 0 20px; }

/* ---------- CTA final + Rodapé ---------- */
.cta-final { background: linear-gradient(135deg, var(--azul-fundo), var(--azul) 60%, #3A4BD0); color: #fff; text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final p { color: rgba(255,255,255,.8); max-width: 46em; margin: 0 auto 30px; }

.rodape { background: var(--escuro); color: rgba(255,255,255,.6); padding: 56px 0 32px; font-size: .88rem; }
.rodape__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.rodape p { color: rgba(255,255,255,.55); max-width: 30em; }
.rodape h4 { color: #fff; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; }
.rodape ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.rodape a { color: rgba(255,255,255,.6); }
.rodape a:hover { color: var(--lima); }
.rodape__base { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; font-size: .8rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   LOGIN
   ========================================================================== */
.login { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login > * { min-width: 0; }
.login__marca {
  background: linear-gradient(160deg, var(--azul-fundo), var(--azul) 55%, #3A4BD0);
  color: #fff; padding: 56px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.login__marca::after {
  content: ""; position: absolute; inset: auto -20% -40% 30%; height: 460px;
  background: radial-gradient(closest-side, rgba(149,233,20,.2), transparent);
}
.login__pitch { position: relative; z-index: 1; max-width: 22em; }
.login__pitch h2 { color: #fff; font-size: 2rem; }
.login__pitch p { color: rgba(255,255,255,.78); }
.login__lista { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.login__lista li { display: flex; gap: 12px; align-items: flex-start; font-size: .93rem; color: rgba(255,255,255,.85); }
.login__lista svg { width: 20px; height: 20px; color: var(--lima); flex: none; margin-top: 2px; }
.login__rodape { position: relative; z-index: 1; font-size: .8rem; color: rgba(255,255,255,.5); }

.login__painel { display: grid; place-items: center; padding: 40px 24px; background: var(--bg); }
.login__form { width: 100%; max-width: 400px; }
.login__form > .logo { margin-bottom: 28px; }
.login__form h1 { font-size: 1.9rem; margin-bottom: 6px; }
.login__form > p { color: var(--ink-2); font-size: .95rem; margin-bottom: 28px; }

.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: .82rem; font-weight: 700; margin-bottom: 7px; color: var(--ink); }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--linha); border-radius: var(--radius-sm);
  font: inherit; font-size: .95rem; background: var(--surface); color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
.campo textarea { min-height: 150px; resize: vertical; line-height: 1.7; }
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(39,42,173,.12);
}
.campo__dica { font-size: .78rem; color: var(--ink-3); margin-top: 6px; }
.campo__erro { font-size: .8rem; color: var(--laranja); margin-top: 6px; font-weight: 600; display: none; }
.campo.tem-erro input { border-color: var(--laranja); }
.campo.tem-erro .campo__erro { display: block; }

.login__opcoes { display: flex; flex-wrap: wrap; gap: 8px 14px; justify-content: space-between; align-items: center; margin-bottom: 24px; font-size: .85rem; }
.login__opcoes label { display: flex; align-items: center; gap: 8px; color: var(--ink-2); cursor: pointer; }
.login__demo {
  background: #FFF8E8; border: 1px dashed #E8C87A; border-radius: var(--radius-sm);
  padding: 13px 15px; font-size: .82rem; color: #7A5A12; margin-bottom: 24px;
}
.login__demo b { color: #5A420C; }
.login__voltar { display: block; text-align: center; margin-top: 24px; font-size: .85rem; color: var(--ink-3); }

/* ==========================================================================
   ÁREA LOGADA
   ========================================================================== */
body.app { background: var(--bg); }

.topbar {
  position: sticky; top: 0; z-index: 70; background: var(--escuro); color: #fff;
  height: 66px; display: flex; align-items: center;
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: 24px; }
.topbar__dir { display: flex; align-items: center; gap: 16px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: linear-gradient(135deg, var(--lima), var(--lima-escuro)); color: #14260A; font-weight: 800; font-size: .82rem;
}
.topbar__aluno { display: flex; align-items: center; gap: 10px; font-size: .88rem; }
.topbar__aluno b { font-weight: 700; }
.topbar__sair {
  color: rgba(255,255,255,.6); font-size: .85rem; font-weight: 600; background: none;
  border: none; cursor: pointer; font-family: inherit; padding: 8px;
}
.topbar__sair:hover { color: var(--lima); }
.menu-mobile { display: none; background: none; border: none; color: #fff; cursor: pointer; padding: 8px; }

.shell { display: grid; grid-template-columns: 252px 1fr; gap: 28px; max-width: 1360px; margin-inline: auto; padding: 28px 24px 64px; align-items: start; }
.shell > main, .shell > .lateral { min-width: 0; }

.lateral { position: sticky; top: 94px; }
.lateral__nav { display: grid; gap: 4px; background: var(--surface); border-radius: var(--radius); padding: 10px; border: 1px solid var(--linha); }
.aba {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm);
  border: none; background: none; font: inherit; font-size: .92rem; font-weight: 600; color: var(--ink-2);
  cursor: pointer; text-align: left; width: 100%; transition: background .15s ease, color .15s ease;
}
.aba svg { width: 19px; height: 19px; flex: none; }
.aba:hover { background: var(--bg); color: var(--ink); }
.aba[aria-selected="true"] { background: var(--azul); color: #fff; box-shadow: 0 4px 14px rgba(39,42,173,.25); }
.aba__rot-curto { display: none; }
.aba__contador { margin-left: auto; font-size: .72rem; font-weight: 800; background: var(--bg-alt); color: var(--ink-2); padding: 2px 8px; border-radius: 999px; }
.aba[aria-selected="true"] .aba__contador { background: rgba(255,255,255,.22); color: #fff; }

.lateral__promo {
  margin-top: 18px; background: linear-gradient(150deg, var(--azul-fundo), var(--azul));
  color: #fff; border-radius: var(--radius); padding: 22px 20px;
}
.lateral__promo h4 { color: #fff; font-size: .98rem; margin-bottom: 6px; }
.lateral__promo p { font-size: .8rem; color: rgba(255,255,255,.75); margin-bottom: 16px; }

.painel[hidden] { display: none; }
.painel__cabeca { margin-bottom: 26px; }
.painel__cabeca h1 { font-size: 1.75rem; margin-bottom: 4px; }
.painel__cabeca p { color: var(--ink-2); font-size: .95rem; margin: 0; }
.painel__cabeca--flex { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }

.bloco { background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); padding: 24px; }
.bloco__cabeca { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 20px; }
.bloco__cabeca h2 { font-size: 1.05rem; margin: 0; }
.bloco__cabeca span { font-size: .8rem; color: var(--ink-3); font-weight: 600; }

/* ---------- Métricas ---------- */
.metricas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.metrica { background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); padding: 20px 22px; }
.metrica__rot { font-size: .78rem; font-weight: 700; color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.metrica__valor { font-size: 2.1rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.metrica__valor small { font-size: .95rem; font-weight: 700; color: var(--ink-3); letter-spacing: 0; }
.metrica__pe { font-size: .8rem; color: var(--ink-2); margin-top: 8px; display: flex; align-items: center; gap: 6px; }
.delta { font-weight: 700; display: inline-flex; align-items: center; gap: 3px; }
.delta--sobe { color: var(--ok); }
.delta--desce { color: var(--laranja); }

.dash-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin-bottom: 16px; }

/* ---------- Gráficos ---------- */
.grafico { width: 100%; height: auto; display: block; overflow: visible; }
.grafico .grade { stroke: var(--linha); stroke-width: 1; }
.grafico .eixo-rot { font-size: 11px; font-weight: 600; fill: var(--ink-3); }
.grafico .linha-serie { fill: none; stroke: var(--azul); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.grafico .area-serie { fill: url(#gradSerie); }
.grafico .ponto { fill: var(--azul); stroke: var(--surface); stroke-width: 2; }
.grafico .ponto-alvo { fill: transparent; cursor: pointer; }
.grafico .rot-valor { font-size: 11px; font-weight: 800; fill: var(--azul); }
.grafico .cursor-linha { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0; }
.grafico .cursor-linha.ativa { opacity: 1; }
.grafico .meta-linha { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 4 4; }
.grafico .meta-rot { font-size: 10px; font-weight: 700; fill: var(--ink-3); }

.dica-grafico {
  position: absolute; pointer-events: none; opacity: 0; transform: translate(-50%, -120%);
  background: var(--escuro); color: #fff; padding: 9px 12px; border-radius: 9px;
  font-size: .78rem; line-height: 1.45; white-space: nowrap; box-shadow: var(--sombra);
  transition: opacity .12s ease; z-index: 20;
}
.dica-grafico.visivel { opacity: 1; }
.dica-grafico b { display: block; font-size: .88rem; }
.dica-grafico span { color: rgba(255,255,255,.65); }
.grafico-wrap { position: relative; }

/* Competências */
.comp { display: grid; gap: 16px; }
.comp__item { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: baseline; }
.comp__rot { font-size: .84rem; font-weight: 600; color: var(--ink-2); }
.comp__rot b { color: var(--ink); font-weight: 700; }
.comp__val { font-size: .84rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.comp__trilho { grid-column: 1 / -1; height: 9px; border-radius: 999px; background: var(--bg-alt); overflow: hidden; }
.comp__barra { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--azul-claro), var(--azul)); width: 0; transition: width .8s cubic-bezier(.22,1,.36,1); }
.comp__legenda { font-size: .78rem; color: var(--ink-3); margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--linha); }

/* Atividades */
.atividades { list-style: none; padding: 0; margin: 0; }
.atividades li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--linha); align-items: flex-start; }
.atividades li:last-child { border-bottom: none; padding-bottom: 0; }
.atividades__icone { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: none; background: var(--bg-alt); color: var(--azul); }
.atividades__icone svg { width: 17px; height: 17px; }
.atividades__texto { font-size: .9rem; }
.atividades__texto b { font-weight: 700; }
.atividades__quando { font-size: .78rem; color: var(--ink-3); }

/* ---------- Redações ---------- */
.envio { background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); overflow: hidden; margin-bottom: 24px; }
.envio[hidden] { display: none; }
.envio__cabeca { padding: 20px 24px; border-bottom: 1px solid var(--linha); display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--bg); }
.envio__cabeca h2 { margin: 0; font-size: 1.05rem; }
.envio__fechar { background: none; border: none; cursor: pointer; color: var(--ink-3); padding: 6px; font-size: 1.3rem; line-height: 1; font-family: inherit; }
.envio__fechar:hover { color: var(--ink); }
.envio__corpo { padding: 24px; }
.envio__linha { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.alternador { display: flex; gap: 6px; background: var(--bg); padding: 5px; border-radius: 999px; margin-bottom: 18px; width: fit-content; }
.alternador button {
  border: none; background: none; font: inherit; font-size: .86rem; font-weight: 700; color: var(--ink-2);
  padding: 8px 20px; border-radius: 999px; cursor: pointer; transition: background .15s ease, color .15s ease;
}
.alternador button[aria-pressed="true"] { background: var(--surface); color: var(--azul); box-shadow: var(--sombra); }

.dropzone {
  border: 2px dashed var(--linha); border-radius: var(--radius); padding: 34px 24px; text-align: center;
  cursor: pointer; transition: border-color .15s ease, background .15s ease; background: var(--bg);
}
.dropzone:hover, .dropzone.sobre { border-color: var(--azul); background: #F0F2FD; }
.dropzone svg { width: 34px; height: 34px; color: var(--azul); margin-bottom: 10px; }
.dropzone b { display: block; font-size: .95rem; margin-bottom: 4px; }
.dropzone span { font-size: .82rem; color: var(--ink-3); }
.dropzone input { display: none; }
.arquivo-escolhido {
  display: flex; align-items: center; gap: 10px; margin-top: 14px; padding: 11px 14px;
  background: var(--ok-bg); border-radius: var(--radius-sm); font-size: .86rem; color: var(--ok); font-weight: 600;
}
.arquivo-escolhido[hidden] { display: none; }
.arquivo-escolhido svg { width: 17px; height: 17px; flex: none; }
.envio__acoes { display: flex; gap: 12px; align-items: center; margin-top: 24px; flex-wrap: wrap; }
.envio__acoes .nota { font-size: .8rem; color: var(--ink-3); }
.contador-chars { font-size: .78rem; color: var(--ink-3); text-align: right; margin-top: 6px; }

.lista-redacoes { display: grid; gap: 14px; }
.redacao {
  background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); padding: 20px 22px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px 20px; align-items: center;
  cursor: pointer; transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.redacao:hover { border-color: var(--azul-claro); box-shadow: var(--sombra); transform: translateY(-2px); }
.redacao--nova { animation: entra .45s cubic-bezier(.22,1,.36,1); }
@keyframes entra { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
.redacao__tema { font-weight: 700; font-size: 1rem; margin: 0 0 4px; }
.redacao__meta { font-size: .82rem; color: var(--ink-3); display: flex; gap: 14px; flex-wrap: wrap; }
.redacao__dir { display: flex; align-items: center; gap: 18px; }
.redacao__nota { text-align: right; }
.redacao__nota b { display: block; font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.redacao__nota span { font-size: .72rem; color: var(--ink-3); font-weight: 600; }
.selo {
  display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 800;
  padding: 5px 11px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap;
}
.selo::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.selo--corrigida { background: var(--ok-bg); color: var(--ok); }
.selo--aguardando { background: var(--aguard-bg); color: var(--aguard); }

.vazio { text-align: center; padding: 56px 24px; color: var(--ink-3); }
.vazio svg { width: 42px; height: 42px; margin-bottom: 14px; color: var(--linha); }
.vazio b { display: block; color: var(--ink); font-size: 1rem; margin-bottom: 6px; }

/* Modal de detalhe */
.modal {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px;
  background: rgba(25,28,31,.55); backdrop-filter: blur(3px);
}
.modal[hidden] { display: none; }
.modal__caixa {
  background: var(--surface); border-radius: 20px; width: 100%; max-width: 620px;
  max-height: 88vh; overflow: auto; box-shadow: var(--sombra-lg); animation: entra .25s ease;
}
.modal__cabeca { padding: 24px 28px; border-bottom: 1px solid var(--linha); display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.modal__cabeca h2 { font-size: 1.2rem; margin: 0 0 6px; }
.modal__corpo { padding: 24px 28px 28px; }
.modal__nota { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.modal__nota b { font-size: 2.6rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.modal__nota span { color: var(--ink-3); font-size: .9rem; font-weight: 600; }
.modal__comentario { background: var(--bg); border-left: 3px solid var(--azul); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 16px 18px; margin-top: 22px; }
.modal__comentario h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 8px; }
.modal__comentario p { font-size: .9rem; color: var(--ink-2); margin: 0; }

/* ---------- Chat ---------- */
.chat { min-width: 0; background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius); display: flex; flex-direction: column; height: calc(100vh - 220px); min-height: 480px; overflow: hidden; }
.chat__cabeca { padding: 16px 22px; border-bottom: 1px solid var(--linha); display: flex; align-items: center; gap: 12px; background: var(--surface); }
.chat__bot {
  width: 40px; height: 40px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul), var(--azul-claro)); color: #fff;
}
.chat__bot svg { width: 21px; height: 21px; }
.chat__cabeca b { display: block; font-size: .95rem; }
.chat__estado { font-size: .78rem; color: var(--ok); display: flex; align-items: center; gap: 6px; font-weight: 600; }
.chat__estado::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

.chat__mensagens { flex: 1; overflow-y: auto; padding: 24px 22px; display: flex; flex-direction: column; gap: 16px; background: var(--bg); }
.msg { display: flex; gap: 10px; max-width: 78%; animation: entra .3s ease; }
.msg--bot { align-self: flex-start; }
.msg--eu { align-self: flex-end; flex-direction: row-reverse; }
.msg__balao { padding: 13px 17px; border-radius: 16px; font-size: .93rem; line-height: 1.65; }
.msg--bot .msg__balao { background: var(--surface); border: 1px solid var(--linha); border-bottom-left-radius: 5px; }
.msg--eu .msg__balao { background: var(--azul); color: #fff; border-bottom-right-radius: 5px; }
.msg__balao p { margin: 0 0 .7em; }
.msg__balao p:last-child { margin-bottom: 0; }
.msg__balao ul { margin: .3em 0 .7em; padding-left: 1.2em; }
.msg__balao li { margin-bottom: .35em; }
.msg__balao strong { font-weight: 700; }
.msg__ava { width: 30px; height: 30px; border-radius: 9px; flex: none; display: grid; place-items: center; font-size: .72rem; font-weight: 800; }
.msg--bot .msg__ava { background: linear-gradient(135deg, var(--azul), var(--azul-claro)); color: #fff; }
.msg--eu .msg__ava { background: var(--lima); color: #14260A; }
.msg__hora { font-size: .68rem; color: var(--ink-3); margin-top: 5px; }
.msg--eu .msg__hora { text-align: right; }

.digitando { display: flex; gap: 4px; padding: 15px 17px; }
.digitando i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); animation: pisca 1.3s infinite; }
.digitando i:nth-child(2) { animation-delay: .18s; }
.digitando i:nth-child(3) { animation-delay: .36s; }
@keyframes pisca { 0%, 60%, 100% { opacity: .28; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.chat__sugestoes { display: flex; gap: 8px; padding: 14px 22px 0; flex-wrap: wrap; background: var(--surface); border-top: 1px solid var(--linha); }
.sugestao {
  border: 1.5px solid var(--linha); background: var(--surface); color: var(--ink-2); font: inherit;
  font-size: .82rem; font-weight: 600; padding: 8px 15px; border-radius: 999px; cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.sugestao:hover { border-color: var(--azul); color: var(--azul); background: #F5F6FD; }

.chat__forma { display: flex; gap: 10px; padding: 14px 22px 18px; background: var(--surface); align-items: flex-end; }
.chat__forma textarea {
  flex: 1; min-width: 0; resize: none; border: 1.5px solid var(--linha); border-radius: 14px; padding: 12px 16px;
  font: inherit; font-size: .93rem; line-height: 1.5; max-height: 130px; min-height: 46px; color: var(--ink);
}
.chat__forma textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(39,42,173,.12); }
.chat__enviar {
  width: 46px; height: 46px; border-radius: 50%; border: none; background: var(--azul); color: #fff;
  display: grid; place-items: center; cursor: pointer; flex: none; transition: background .15s ease, transform .15s ease;
}
.chat__enviar:hover:not(:disabled) { background: #1F2296; transform: scale(1.05); }
.chat__enviar:disabled { background: var(--linha); color: var(--ink-3); cursor: not-allowed; }
.chat__enviar svg { width: 19px; height: 19px; }
.chat__aviso { font-size: .72rem; color: var(--ink-3); text-align: center; padding: 0 22px 14px; background: var(--surface); }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 1200px) {
  .nav { gap: 22px; }
  .nav a { font-size: .88rem; }
  /* Com a lateral ocupando 252px, quatro métricas lado a lado quebram
     os rótulos em duas linhas. Em tablet elas vão para 2×2. */
  .metricas { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet: gráfico e competências empilham para os nomes das competências
   caberem em uma linha. */
@media (max-width: 1200px) {
  .dash-grid { grid-template-columns: 1fr; }
}

/* Abaixo de 1080px o menu horizontal não cabe ao lado do logo e dos
   botões: vira painel sob o header (vale para tablet em paisagem). */
@media (max-width: 1080px) {
  .nav { display: none; }
  .menu-botao { display: grid; }
  .btn--cta { display: none; }
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .mock { transform: none; max-width: 460px; }
  .cards, .passos { grid-template-columns: 1fr 1fr; }
  .prova__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .rodape__grid { grid-template-columns: 1fr 1fr; }
  /* A marca vira faixa no topo e o formulário sobe sobre ela num cartão —
     sem isso, tablet e celular abriam o login num fundo cinza sem marca. */
  /* auto 1fr: a faixa fica do tamanho do conteúdo em vez de esticar. */
  .login { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .login__marca { justify-content: flex-start; gap: 22px; padding: 26px 24px 48px; }
  .login__marca::after { inset: auto -25% -140% 15%; height: 280px; }
  .login__pitch { max-width: none; }
  .login__pitch h2 { font-size: 1.45rem; margin-bottom: 4px; }
  .login__pitch p { font-size: .92rem; margin: 0; }
  .login__lista, .login__rodape { display: none; }
  .login__painel { align-items: start; justify-items: center; padding: 0 20px 56px; }
  .login__form {
    position: relative; z-index: 1; margin-top: -30px; max-width: 460px;
    background: var(--surface); border: 1px solid var(--linha); border-radius: var(--radius);
    box-shadow: var(--sombra-lg); padding: 28px 24px 30px;
  }
  .login__form > .logo { display: none; }
  .login__form h1 { font-size: 1.55rem; }
  .shell { grid-template-columns: 1fr; }
  .lateral { position: static; }
  .lateral__nav { grid-auto-flow: column; grid-auto-columns: 1fr; }
  .lateral__promo { display: none; }
  .aba { justify-content: center; white-space: nowrap; }
  .dash-grid { grid-template-columns: 1fr; }
  .metricas { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .secao { padding: 62px 0; }
  .header__inner { height: 66px; }
  .cards, .passos { grid-template-columns: 1fr; }
  .hero { padding: 62px 0 72px; }
  .hero__ctas .btn { width: 100%; }
  .envio__linha { grid-template-columns: 1fr; }
  .redacao { grid-template-columns: 1fr; }
  .redacao__dir { justify-content: space-between; border-top: 1px solid var(--linha); padding-top: 14px; margin-top: 6px; }
  .redacao__nota { text-align: left; }
  .msg { max-width: 92%; }
  .chat { height: calc(100vh - 210px); height: calc(100dvh - 210px); min-height: 400px; }
  /* Empilhadas, as sugestões comiam quase toda a altura do chat. */
  .chat__sugestoes { flex-wrap: nowrap; overflow-x: auto; min-width: 0; scrollbar-width: none; padding: 12px 18px 0; }
  .chat__sugestoes::-webkit-scrollbar { display: none; }
  .sugestao { flex: none; }
  .chat__forma { padding: 12px 18px 14px; }
  .chat__aviso { font-size: .68rem; padding: 0 18px 12px; }
  .topbar__aluno b { display: none; }
  .rodape__grid { grid-template-columns: 1fr; }
  .metricas { grid-template-columns: 1fr; }
  .painel__cabeca--flex .btn { width: 100%; }

  /* Abas viram barra de 3 colunas: ícone em cima, rótulo curto embaixo. */
  .lateral__nav { padding: 8px; gap: 4px; }
  .aba { flex-direction: column; gap: 5px; padding: 10px 4px; font-size: .74rem; text-align: center; }
  .aba svg { width: 20px; height: 20px; }
  .aba__rot { display: none; }
  .aba__rot-curto { display: block; }
  .aba__contador { display: none; }
}

/* Celular: o header precisa caber logo + entrar + menu sem colidir. */
@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .logo__texto span { display: none; }
  .logo__texto { line-height: 1.2; }
  .rot-longo { display: none; }
  .rot-curto { display: inline; }
  .btn--sm { padding: 9px 15px; }
  .comp__rot .rot-longo { display: none; }
  .comp__rot .rot-curto { display: inline; }
  .menu-botao { width: 38px; height: 38px; }
  .header__inner { gap: 12px; }
  .topbar__inner { padding-inline: 18px; }
  .shell { padding-inline: 18px; }
}

/* Celulares estreitos (320–380px). */
@media (max-width: 380px) {
  .container, .topbar__inner, .shell { padding-inline: 14px; }
  .logo__marca { width: 30px; height: 30px; font-size: .85rem; }
  .logo__texto b { font-size: .86rem; }
  .header__inner { gap: 8px; }
  .header__acoes { gap: 6px; }
  .btn--sm { padding: 9px 12px; font-size: .82rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* Estado travado do chat enquanto o tutor responde. */
.chat__forma textarea:disabled { background: var(--bg); cursor: not-allowed; }
.sugestao:disabled { opacity: .45; cursor: not-allowed; }
.sugestao:disabled:hover { border-color: var(--linha); color: var(--ink-2); background: var(--surface); }