/* Portal de Trilhas — chat + telas de acesso + layout do portal.
   Reaproveita as variáveis de tema já definidas no <style> inline do
   index.html (--bg, --surface, --surface2, --text, --muted, --border,
   --shadow, --accent), então claro/escuro continuam funcionando sem
   duplicar nada aqui. */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- telas de acesso (login / cadastro / aviso de aprovação) --- */
.tela-acesso {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.acesso-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
}

.acesso-card .sub { margin-bottom: 18px; }

.abas-acesso, .abas-portal {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.abas-acesso [role="tab"], .abas-portal [role="tab"] {
  flex: none;
  border: none;
  background: none;
  color: var(--muted);
  font-weight: 650;
  font-size: .92rem;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.abas-acesso [role="tab"][aria-selected="true"],
.abas-portal [role="tab"][aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.form-acesso {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-acesso label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 10px;
}

.form-acesso input {
  padding: 11px 13px;
  font-size: .96rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.form-acesso input:focus { outline: 2px solid var(--accent); border-color: transparent; }

.campo-consentimento {
  margin-top: 12px;
}

.consentimento-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .82rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--muted);
  cursor: pointer;
}

.consentimento-label input[type="checkbox"] {
  margin: 2px 0 0;
  flex: none;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.consentimento-label a {
  color: var(--accent);
  font-weight: 600;
}

.erro-acesso {
  color: #e0434d;
  font-size: .85rem;
  margin: 10px 0 0;
}

.aviso-texto {
  color: var(--muted);
  font-size: .95rem;
  margin: 10px 0 20px;
}

.botao-primario, .botao-secundario {
  border: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: .92rem;
  font-weight: 650;
  cursor: pointer;
  margin-top: 16px;
}

.botao-primario {
  background: var(--accent);
  color: #fff;
}
.botao-primario:hover { filter: brightness(1.08); }

.botao-secundario {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

/* --- cabeçalho do portal (logado) --- */
.portal-topo { position: sticky; top: 0; z-index: 20; background: var(--surface);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
.portal-email { color: var(--muted); }
.abas-portal { margin: 0; padding-top: 4px; }

/* --- painel "Montar minha trilha" (chat + progresso) --- */
.painel-trilha {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 20px;
  padding: 24px 20px 60px;
  align-items: start;
}
@media (max-width: 860px) {
  .painel-trilha { grid-template-columns: 1fr; }
}

.chat-shell, .progresso-shell, .trilhas-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

/* a lista de trilhas canônicas ocupa a largura toda, acima do chat+progresso */
.trilhas-shell { grid-column: 1 / -1; }
.trilhas-shell h2 { font-size: 1rem; margin: 2px 0 4px; }
.trilhas-sub { color: var(--muted); font-size: .84rem; margin: 0 0 14px; }
.trilhas-lista {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.trilha-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}
.trilha-card .tn { font-weight: 680; font-size: .94rem; }
.trilha-card .tv { color: var(--muted); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .04em; margin-top: 2px; }
.trilha-card .to { color: var(--muted); font-size: .84rem; margin: 6px 0 8px; }
.trilha-card .tc { list-style: none; margin: 0 0 10px; padding: 0; font-size: .82rem;
  display: flex; flex-direction: column; gap: 3px; }
.trilha-card .tc li { color: var(--text); }
.trilha-card .tc .op { color: var(--muted); font-style: italic; }
.trilha-botao {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .8rem;
  font-weight: 650;
  cursor: pointer;
}
.trilha-botao:hover { filter: brightness(1.08); }
.trilha-botao:disabled { opacity: .6; cursor: default; }

.chat-mensagens {
  flex: 1;
  min-height: 320px;
  max-height: 60vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 6px 4px 12px;
}

.msg { max-width: 82%; border-radius: 14px; padding: 9px 13px; font-size: .92rem; }
.msg p { margin: 0; white-space: pre-wrap; word-break: break-word; }

.msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.msg-assistant {
  align-self: flex-start;
  background: var(--surface2);
  color: var(--text);
  border-bottom-left-radius: 4px;
}

.chat-form { display: flex; gap: 8px; border-top: 1px solid var(--border); padding-top: 12px; }
.chat-form input {
  flex: 1;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: .92rem;
}
.chat-form input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.chat-form button { margin-top: 0; }

.progresso-shell h2 { font-size: 1rem; margin: 2px 0 12px; }
.progresso-lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.progresso-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--surface2);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: .86rem;
}
.progresso-nome { flex: 1; }
.progresso-botao {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: .78rem;
  cursor: pointer;
  white-space: nowrap;
}
.progresso-botao.feito { border-color: #22c55e; color: #22c55e; }
.progresso-vazio { color: var(--muted); font-size: .86rem; list-style: none; }