/* Marsafe EAD — folha única. Tokens: navy #0E1A2B, laranja #FD8127, system-ui. */

:root {
  --navy: #0E1A2B;
  --navy-2: #16263D;
  --navy-3: #1F3352;
  --laranja: #FD8127;
  --laranja-escuro: #D96A15;
  --fundo: #F2F4F8;
  --cartao: #FFFFFF;
  --texto: #1C2733;
  --texto-suave: #5A6675;
  --borda: #DDE3EB;
  --ok: #1E7F4F;
  --ok-fundo: #E3F4EB;
  --erro: #B4232A;
  --erro-fundo: #FBE7E8;
  --aviso-fundo: #FFF3E6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fundo);
  color: var(--texto);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--laranja-escuro); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; color: var(--navy); }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; color: var(--navy); }
h3 { font-size: 1rem; margin: 1rem 0 .5rem; color: var(--navy); }
code { font-size: .85em; background: var(--fundo); padding: .1em .35em; border-radius: 4px; }

/* ---------------- layout com sidebar ---------------- */

.layout { display: flex; min-height: 100vh; }

/* topbar mobile (hambúrguer) — só aparece em telas pequenas */
.topbar {
  display: none;
  align-items: center;
  gap: .6rem;
  background: var(--navy);
  color: #fff;
  height: 56px;
  padding: 0 .75rem;
  position: sticky;
  top: 0;
  z-index: 40;
}
.brand-topbar { font-size: 1.15rem; }
.btn-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.btn-hamburger span { display: block; height: 2px; width: 100%; background: #fff; border-radius: 2px; }
.btn-hamburger:active { background: var(--navy-2); }

.btn-fechar-menu {
  display: none;
  position: absolute;
  top: .35rem;
  right: .5rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: #C9D4E3;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}
.btn-fechar-menu:hover { color: #fff; background: var(--navy-2); }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 26, 43, .55);
  z-index: 50;
}

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--navy);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0;
}

.brand { padding: 0 1.25rem 1.25rem; position: relative; }
.brand-nome { display: block; font-size: 1.35rem; font-weight: 800; letter-spacing: .04em; color: #fff; }
.brand-nome em { font-style: normal; color: var(--laranja); }
.brand-sub { display: block; font-size: .72rem; color: #9FB0C7; margin-top: .15rem; }

.nav { display: flex; flex-direction: column; gap: 2px; padding: 0 .75rem; flex: 1; }
.nav a {
  color: #C9D4E3;
  text-decoration: none;
  padding: .55rem .75rem;
  border-radius: 8px;
  font-size: .92rem;
}
.nav a:hover { background: var(--navy-2); color: #fff; }
.nav a.active { background: var(--navy-3); color: #fff; box-shadow: inset 3px 0 0 var(--laranja); }

.sidebar-footer { padding: 1rem 1.25rem 0; border-top: 1px solid var(--navy-3); margin-top: 1rem; }
.userinfo { margin-bottom: .6rem; }
.userinfo strong { display: block; font-size: .9rem; }
.userinfo span { display: block; font-size: .75rem; color: #9FB0C7; word-break: break-all; }

.main { flex: 1; padding: 1.75rem 2rem; max-width: 1200px; }

/* ---------------- componentes ---------------- */

.card {
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .92rem; }
.flash-ok { background: var(--ok-fundo); color: var(--ok); border: 1px solid #BFE5D0; }
.flash-err { background: var(--erro-fundo); color: var(--erro); border: 1px solid #F2C3C5; }
.aviso { background: var(--aviso-fundo); border: 1px solid #F5D4B0; padding: .7rem 1rem; border-radius: 8px; }

.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: .5rem 1rem;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  color: var(--navy);
  font-family: inherit;
}
.btn-primary { background: var(--laranja); color: #fff; }
.btn-primary:hover { background: var(--laranja-escuro); }
.btn-ghost { border-color: var(--borda); background: #fff; color: var(--navy); }
.btn-ghost:hover { border-color: var(--laranja); color: var(--laranja-escuro); }
.btn-danger { border-color: #F2C3C5; background: #fff; color: var(--erro); }
.btn-danger:hover { background: var(--erro-fundo); }
.btn-sm { padding: .3rem .65rem; font-size: .82rem; }
.btn-block { width: 100%; }

.sidebar .btn-ghost { background: transparent; color: #C9D4E3; border-color: var(--navy-3); width: 100%; }
.sidebar .btn-ghost:hover { color: #fff; border-color: var(--laranja); }

.badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  padding: .15rem .55rem;
  border-radius: 999px;
  background: var(--fundo);
  color: var(--texto-suave);
}
.badge-ok { background: var(--ok-fundo); color: var(--ok); }
.badge-warn { background: var(--aviso-fundo); color: var(--laranja-escuro); }

.meta { color: var(--texto-suave); font-size: .85rem; }
.descricao { color: var(--texto-suave); }

/* progresso */
.progress {
  height: 10px;
  background: var(--borda);
  border-radius: 999px;
  overflow: hidden;
  margin: .35rem 0;
}
.progress-fill { height: 100%; background: var(--laranja); border-radius: 999px; }
.progress-inline { width: 140px; display: inline-block; vertical-align: middle; margin-right: .5rem; }

/* formulários */
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="file"], select {
  font: inherit;
  padding: .5rem .65rem;
  border: 1px solid var(--borda);
  border-radius: 8px;
  background: #fff;
  color: var(--texto);
  min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--laranja); outline-offset: 1px; border-color: var(--laranja); }

.form-empilhado { display: flex; flex-direction: column; gap: .85rem; }
.form-empilhado label { display: flex; flex-direction: column; gap: .3rem; font-size: .88rem; font-weight: 600; color: var(--navy); }

.form-linha { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .5rem; }
.form-linha input[type="text"], .form-linha input[type="email"] { flex: 1 1 160px; }
.form-linha input[type="number"] { width: 76px; }
.form-grade { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.form-grade input, .form-grade select { flex: 1 1 180px; }
.form-grade .campo-largo { flex: 1 1 100%; }
.form-inline { display: inline-flex; gap: .35rem; align-items: center; }
.form-inline input { width: 130px; }
.check-inline { display: inline-flex; gap: .35rem; align-items: center; font-size: .85rem; color: var(--texto-suave); }
.campo-curto { width: 90px; flex: 0 1 90px !important; }
.campo-youtube { flex: 1 1 220px; font-family: ui-monospace, monospace; font-size: .85rem; }
.linha-registro { padding: .4rem 0; border-top: 1px dashed var(--borda); }
.linha-registro.inativo input { opacity: .55; }
.form-modulo { background: var(--fundo); padding: .5rem .65rem; border-radius: 8px; }
.form-nova-aula { margin-top: .6rem; }

/* tabelas */
.tabela { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabela th, .tabela td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--borda); vertical-align: middle; }
.tabela th { color: var(--texto-suave); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.tabela tr.inativo td { opacity: .55; }
.tabela-scroll { overflow-x: auto; margin-bottom: 1rem; }
.tabela-matriz th, .tabela-matriz td { text-align: center; }
.tabela-matriz th:first-child, .tabela-matriz td:first-child { text-align: left; }
.celula-check input { width: 18px; height: 18px; accent-color: var(--laranja); }
.acoes-tabela { display: flex; gap: .4rem; flex-wrap: wrap; }
.faltantes { font-size: .8rem; color: var(--texto-suave); max-width: 320px; }
.codigo-hash { word-break: break-all; }
.cabecalho-lista { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }

/* stats do dashboard */
.grid-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; margin-bottom: 1.25rem; }
.stat {
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 1rem;
  text-decoration: none;
  color: var(--texto);
}
.stat:hover { border-color: var(--laranja); }
.stat strong { display: block; font-size: 1.6rem; color: var(--navy); }
.stat span { font-size: .8rem; color: var(--texto-suave); }

/* cards de curso do aluno */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card-curso h2 { margin-bottom: .35rem; }
.acoes { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: .75rem; }

/* player do curso */
.cabecalho-curso { margin-bottom: 1rem; }
.curso-layout { display: flex; gap: 1.25rem; align-items: flex-start; }
.player { flex: 1; min-width: 0; }
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
}
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player-rodape { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin: .85rem 0 1rem; }
.player-rodape h2 { margin: 0; }
.player-rodape small { color: var(--texto-suave); font-weight: 400; }
.card-certificado { border-left: 4px solid var(--laranja); }

.aulas-list {
  width: 300px;
  flex-shrink: 0;
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: .85rem;
}
.aulas-list h3 { margin: .75rem 0 .35rem; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--texto-suave); }
.aulas-list h3:first-child { margin-top: 0; }
.aula-item {
  display: flex;
  gap: .5rem;
  align-items: baseline;
  padding: .45rem .55rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--texto);
  font-size: .88rem;
}
.aula-item:hover { background: var(--fundo); }
.aula-item.atual { background: var(--aviso-fundo); box-shadow: inset 3px 0 0 var(--laranja); }
.aula-item .check { color: var(--texto-suave); }
.aula-item.concluida .check { color: var(--ok); }
.aula-item.concluida .titulo { color: var(--texto-suave); }
.aula-item .titulo { flex: 1; }
.aula-item .duracao { font-size: .75rem; color: var(--texto-suave); }

/* ---------------- chat do assistente ---------------- */

.main-chat {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}
.main-chat .flash { flex-shrink: 0; }

.chat-shell {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 10px;
  overflow: hidden;
}
.chat-cabecalho { padding: .9rem 1.25rem; border-bottom: 1px solid var(--borda); flex-shrink: 0; }
.chat-cabecalho h1 { margin: 0; font-size: 1.15rem; }
.chat-cabecalho .meta { margin: .15rem 0 0; }

.chat-mensagens {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  overscroll-behavior: contain;
}
.chat-vazio { margin: auto 0 0; }
.chat-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.chip {
  border: 1px solid var(--borda);
  background: #fff;
  color: var(--navy);
  border-radius: 999px;
  padding: .55rem .9rem;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
  min-height: 44px;
  text-align: left;
}
.chip:hover { border-color: var(--laranja); color: var(--laranja-escuro); }

.msg {
  max-width: 78%;
  padding: .6rem .85rem;
  border-radius: 12px;
  font-size: .93rem;
  overflow-wrap: break-word;
  word-break: break-word;
}
.msg p { margin: 0 0 .45rem; }
.msg p:last-child { margin-bottom: 0; }
.msg ul { margin: .2rem 0 .45rem; padding-left: 1.2rem; }
.msg ul:last-child { margin-bottom: 0; }
.msg-user {
  align-self: flex-end;
  background: var(--navy);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-bot {
  align-self: flex-start;
  background: var(--fundo);
  border: 1px solid var(--borda);
  border-bottom-left-radius: 4px;
}
.msg-erro { background: var(--erro-fundo); border-color: #F2C3C5; color: var(--erro); }

.msg-digitando { display: inline-flex; gap: 5px; align-items: center; padding: .8rem .85rem; }
.msg-digitando i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--texto-suave);
  animation: pulsar-digitando 1.1s infinite ease-in-out;
}
.msg-digitando i:nth-child(2) { animation-delay: .18s; }
.msg-digitando i:nth-child(3) { animation-delay: .36s; }
@keyframes pulsar-digitando {
  0%, 80%, 100% { opacity: .3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

.chat-composer {
  display: flex;
  gap: .6rem;
  align-items: flex-end;
  padding: .8rem 1.25rem;
  border-top: 1px solid var(--borda);
  background: var(--cartao);
  flex-shrink: 0;
}
.chat-composer textarea {
  flex: 1;
  resize: none;
  font: inherit;
  line-height: 1.4;
  padding: .6rem .75rem;
  border: 1px solid var(--borda);
  border-radius: 10px;
  background: #fff;
  color: var(--texto);
  min-height: 44px;
  max-height: 160px;
}
.chat-composer textarea:focus { outline: 2px solid var(--laranja); outline-offset: 1px; border-color: var(--laranja); }
.chat-composer .btn { min-height: 44px; }

/* ---------------- telas públicas (login / validar / erro) ---------------- */

.tela-publica {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  padding: 1.5rem;
}
.card-publico {
  background: var(--cartao);
  border-radius: 14px;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
.card-validar { max-width: 560px; }
.brand-publico { text-align: center; padding: 0 0 1.25rem; }
.brand-publico .brand-nome { color: var(--navy); font-size: 1.6rem; }
.nota-publica { text-align: center; font-size: .8rem; color: var(--texto-suave); margin-top: 1rem; }

.resultado-validacao { margin-top: 1.25rem; border-radius: 10px; padding: 1rem; }
.resultado-validacao.valido { background: var(--ok-fundo); border: 1px solid #BFE5D0; }
.resultado-validacao.invalido { background: var(--erro-fundo); border: 1px solid #F2C3C5; }
.resultado-validacao .veredito { font-weight: 700; margin: 0 0 .5rem; }
.resultado-validacao.valido .veredito { color: var(--ok); }
.resultado-validacao.invalido .veredito { color: var(--erro); }
.tabela-validacao th { width: 130px; text-transform: none; letter-spacing: 0; }

/* ---------------- responsivo (≤820px: sidebar vira drawer) ---------------- */

@media (max-width: 820px) {
  .topbar { display: flex; }

  /* drawer off-canvas */
  .layout { display: block; min-height: auto; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(300px, 85vw);
    height: 100dvh;
    transform: translateX(-105%);
    transition: transform .22s ease;
    z-index: 60;
    overflow-y: auto;
    box-shadow: 8px 0 30px rgba(0, 0, 0, .3);
  }
  body.menu-aberto { overflow: hidden; }
  body.menu-aberto .sidebar { transform: translateX(0); }
  .btn-fechar-menu { display: flex; }
  .sidebar-footer { padding-bottom: 1rem; }

  .main { padding: 1rem; max-width: 100%; }

  /* tap targets ≥44px */
  .nav a { min-height: 44px; display: flex; align-items: center; }
  .btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  input[type="text"], input[type="email"], input[type="password"], input[type="number"],
  input[type="file"], select { min-height: 44px; }
  .aula-item { min-height: 44px; align-items: center; }

  /* formulários empilham com folga */
  .form-linha input[type="text"], .form-linha input[type="email"],
  .form-grade input, .form-grade select { flex: 1 1 100%; }
  .form-linha .campo-curto, .form-grade .campo-curto { flex: 1 1 90px !important; }
  .form-inline { flex-wrap: wrap; }
  .form-inline input { flex: 1 1 140px; width: auto; }
  .cabecalho-lista { flex-direction: column; align-items: stretch; }

  /* player e lista de aulas empilham */
  .curso-layout { flex-direction: column; }
  .aulas-list { width: 100%; }

  /* tabelas: rolagem própria, nada estoura a tela */
  .tabela-scroll { -webkit-overflow-scrolling: touch; }
  .faltantes { max-width: 220px; }

  /* chat ocupa a tela útil: 100dvh menos a topbar */
  .main-chat { height: calc(100dvh - 56px); padding: 0; }
  .main-chat .flash { margin: .5rem .5rem 0; }
  .chat-shell { border-radius: 0; border-left: 0; border-right: 0; border-bottom: 0; }
  .chat-cabecalho { padding: .75rem 1rem; }
  .chat-mensagens { padding: .85rem 1rem; }
  .chat-composer { padding: .6rem .75rem; }
  .msg { max-width: 88%; }
}