:root {
  --navy: #123a5c;
  --navy-dark: #0c2b46;
  --accent: #e74c3c;
  --bg: #f2f5f8;
  --card: #ffffff;
  --ink: #1d2b36;
  --muted: #5c6f7f;
  --line: #d7e0e8;
  --ok: #1e8449;
  --warn: #b9770e;
  --bad: #c0392b;
  --lim: #7d6608;
}

* { box-sizing: border-box; }

/* O atributo `hidden` precisa vencer qualquer regra de display do autor.
   Sem isto, `button { display: inline-block }` torna visível um botão marcado
   como hidden — foi o que expôs o botão "Sair" fora de uma sessão ativa. */
[hidden] { display: none !important; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 15px/1.5 "Segoe UI", system-ui, sans-serif;
}

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: #fff; padding: 14px 28px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: .4px; }
.tagline { font-size: 12px; opacity: .8; }
.badge {
  font-size: 11px; background: rgba(255,255,255,.15);
  padding: 4px 10px; border-radius: 999px;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-chip { font-size: 12px; opacity: .92; }
.btn-ghost {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45);
  border-radius: 8px; padding: 5px 12px; font-size: 12px; cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,.14); }

.login-card { max-width: 430px; margin: 40px auto; }
.login-card form { display: grid; gap: 14px; margin-top: 16px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--muted); }
.login-card input { width: 100%; }
.login-card button { width: 100%; }

.disclaimer {
  background: #fdf3e2; border-bottom: 1px solid #f0d9a8;
  color: #7a5b12; padding: 8px 28px; font-size: 13px;
}

main { max-width: 980px; margin: 24px auto 60px; padding: 0 16px; display: grid; gap: 20px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 22px 26px; box-shadow: 0 2px 8px rgba(18,58,92,.06);
}
.card h2 { margin: 0 0 14px; font-size: 17px; color: var(--navy); }
.card h3 { margin: 22px 0 8px; font-size: 14px; color: var(--navy); text-transform: uppercase; letter-spacing: .5px; }

.dropzone {
  border: 2px dashed var(--line); border-radius: 10px; padding: 30px;
  text-align: center; cursor: pointer; transition: all .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--navy); background: #eef4f9; }
.dropzone p { margin: 4px 0; }
.hint { color: var(--muted); font-size: 12.5px; }
code { background: #eef2f5; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.form-row { display: flex; flex-wrap: wrap; gap: 18px; align-items: end; margin-top: 16px; }
.form-row label { font-size: 12.5px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
input, select {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; width: 110px;
}
button, .btn-secondary {
  background: var(--navy); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 22px; font-size: 14px; font-weight: 600; cursor: pointer;
  text-decoration: none; display: inline-block;
}
button:disabled { background: #9fb4c6; cursor: not-allowed; }
button:not(:disabled):hover { background: var(--navy-dark); }
.btn-secondary { background: #fff; color: var(--navy); border: 1.5px solid var(--navy); padding: 8px 16px; }

.status { padding: 10px 14px; border-radius: 8px; background: #eef4f9; }
.status.error { background: #fdecea; color: var(--bad); }

.results-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.summary {
  font-size: 15.5px; font-weight: 600; padding: 12px 16px; border-radius: 8px;
  background: #eef4f9; border-left: 4px solid var(--navy);
}
.summary.critical { background: #fdecea; border-left-color: var(--bad); color: var(--bad); }

.ecg-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: #fffdfa; }
#ecg-canvas { display: block; }

.metrics { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.metric { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.metric .k { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.metric .v { font-size: 19px; font-weight: 700; color: var(--navy); }
.metric .v small { font-size: 12px; font-weight: 400; color: var(--muted); }

.findings { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.findings li { border: 1px solid var(--line); border-left-width: 5px; border-radius: 8px; padding: 10px 14px; }
.findings .sev { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.findings li.normal   { border-left-color: var(--ok); }   .findings li.normal .sev { color: var(--ok); }
.findings li.limitrofe{ border-left-color: var(--lim); }  .findings li.limitrofe .sev { color: var(--lim); }
.findings li.anormal  { border-left-color: var(--warn); } .findings li.anormal .sev { color: var(--warn); }
.findings li.critico  { border-left-color: var(--bad); background: #fff5f4; } .findings li.critico .sev { color: var(--bad); }
.findings .crit { font-size: 12px; color: var(--muted); }

#dl-bars { display: grid; gap: 6px; max-width: 480px; }
.dl-row { display: grid; grid-template-columns: 220px 1fr 48px; gap: 10px; align-items: center; font-size: 13px; }
.dl-bar { height: 10px; border-radius: 5px; background: #e3ebf1; overflow: hidden; }
.dl-bar > div { height: 100%; background: var(--navy); }

details { margin-top: 18px; font-size: 13px; color: var(--muted); }
.fineprint { font-size: 11.5px; color: #8a6d1a; background: #fdf8ea; padding: 10px 14px; border-radius: 8px; margin-top: 18px; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }
footer a { color: var(--navy); }

/* ---------- específico da versão que roda no navegador ---------- */
.privacidade {
  border-left: 4px solid var(--ok);
  font-size: 13.5px; color: var(--ink); padding: 14px 18px;
}

.barra {
  height: 10px; background: #e3ebf1; border-radius: 5px;
  overflow: hidden; margin: 14px 0 8px;
}
#barra-progresso {
  height: 100%; width: 0; background: var(--navy);
  transition: width .25s ease;
}

.exemplos {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line);
}
.btn-mini {
  font-size: 12px; padding: 5px 11px; border-radius: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--navy);
  cursor: pointer;
}
.btn-mini:hover { background: #eef4f9; border-color: var(--navy); }

/* Desvio de ST: destaca as derivações fora da faixa */
.metric.critico { border-left: 4px solid var(--bad); background: #fff5f4; }
.metric.critico .v { color: var(--bad); }
.metric.anormal { border-left: 4px solid var(--warn); }
.metric.anormal .v { color: var(--warn); }

#pdf-btn { cursor: pointer; }

/* ---------- conclusão narrativa do laudo ---------- */
.laudo {
  border: 1px solid var(--line); border-radius: 10px;
  padding: 4px 20px 18px; margin-top: 18px; background: #fcfdfe;
}
.laudo h3 { margin-top: 16px; }
.laudo-secao { margin: 0 0 10px; font-size: 14.5px; line-height: 1.65; }
.laudo-secao .rotulo {
  display: block; font-size: 11px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 2px;
}
.laudo-conclusao {
  margin: 16px 0 12px; padding: 12px 16px; border-radius: 8px;
  background: #eef4f9; border-left: 4px solid var(--navy);
  font-size: 14.5px; line-height: 1.6; font-weight: 600;
}
.laudo-conclusao.critical {
  background: #fdecea; border-left-color: var(--bad); color: var(--bad);
}
#copiar-ok { margin-left: 10px; color: var(--ok); }

/* ---------- modais (troca de senha, administração) ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(12, 27, 42, .55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto;
}
.modal-box {
  background: var(--card); border-radius: 12px; width: 100%; max-width: 460px;
  padding: 22px 26px; box-shadow: 0 12px 40px rgba(12,27,42,.3);
}
.modal-wide { max-width: 860px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { margin: 0; font-size: 18px; color: var(--navy); }
.modal-close {
  background: transparent; border: 0; font-size: 26px; line-height: 1;
  color: var(--muted); cursor: pointer; padding: 0 4px;
}
.modal-close:hover { color: var(--bad); }
.modal form { display: grid; gap: 14px; margin-top: 16px; }
.modal label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--muted); }
.modal input, .modal select { width: 100%; }
.modal form button { width: 100%; }

.admin-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px;
}
.admin-grid button { grid-column: 1 / -1; width: auto; justify-self: start; padding: 8px 20px; }
.admin-grid label { width: auto; }
details#admin-novo { margin-top: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
details#admin-novo summary { cursor: pointer; font-weight: 600; color: var(--navy); }

.tabela-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; margin-top: 8px; }
#admin-tabela { width: 100%; border-collapse: collapse; font-size: 13px; }
#admin-tabela th, #admin-tabela td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
#admin-tabela th { background: #f2f6f9; color: var(--navy); font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; }
#admin-tabela tr.inativa { opacity: .5; }
#admin-tabela .acoes { display: flex; gap: 6px; }
.btn-mini {
  font-size: 11.5px; padding: 4px 9px; border-radius: 6px; border: 1px solid var(--line);
  background: #fff; color: var(--navy); cursor: pointer;
}
.btn-mini:hover { background: #eef4f9; }
.btn-mini.perigo { color: var(--bad); border-color: #e9c4c0; }
.chip-papel { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: #eef4f9; color: var(--navy); }
.chip-papel.admin { background: #123a5c; color: #fff; }
.status.ok { background: #e7f4ec; color: var(--ok); }