:root {
  --navy: #1a2b48;
  --navy-claro: #27406b;
  --ambar: #e8a13a;
  --fundo: #f4f5f7;
  --cartao: #ffffff;
  --texto: #1d2430;
  --mudo: #6b7280;
  --borda: #d9dde3;
  --ok: #1c7c3c;
  --erro: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--fundo); color: var(--texto);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
header {
  background: var(--navy); color: #fff; padding: 10px 16px;
  padding-top: calc(10px + env(safe-area-inset-top));
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.marca { color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a {
  color: #cdd6e4; text-decoration: none; padding: 6px 10px;
  border-radius: 8px; font-size: 15px;
}
nav a.ativo, nav a:hover { background: var(--navy-claro); color: #fff; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
.mudo { color: var(--mudo); }
.saudacao { margin-top: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--cartao); border: 1px solid var(--borda); color: var(--texto);
  border-radius: 12px; padding: 12px 18px; font-size: 16px; font-weight: 600;
  text-decoration: none; cursor: pointer; min-height: 48px;
}
.btn.principal { background: var(--navy); border-color: var(--navy); color: #fff; width: 100%; margin-top: 16px; }
.btn.principal:disabled { opacity: .5; cursor: default; }
.btn.perigo { color: var(--erro); border-color: #e6c9c7; }
.btn.pequeno { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn.ficheiro { width: 100%; border-style: dashed; border-width: 2px; min-height: 64px; }

.grelha-menu { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.btn.menu { flex-direction: column; min-height: 110px; font-size: 17px; }
.btn.menu > :first-child { font-size: 30px; }
.rodape-gestao { margin-top: 28px; text-align: center; color: var(--mudo); }
.rodape-gestao a { color: var(--mudo); }

.cartao {
  background: var(--cartao); border: 1px solid var(--borda);
  border-radius: 14px; padding: 16px; margin-bottom: 12px;
}
.cartao.login { max-width: 400px; margin: 10vh auto 0; text-align: center; }
.cartao.login h1 { margin-bottom: 4px; }
.cartao.linha { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; }

label { display: block; text-align: left; margin-top: 12px; font-weight: 600; }
input, select {
  width: 100%; padding: 12px; margin-top: 4px; font-size: 16px;
  border: 1px solid var(--borda); border-radius: 10px; background: #fff;
}
.passo { font-weight: 700; margin: 20px 0 8px; }

.grelha-obras { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.obra-opcao input { display: none; }
.obra-opcao span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 56px; padding: 8px; background: var(--cartao);
  border: 2px solid var(--borda); border-radius: 12px; font-weight: 600;
  cursor: pointer;
}
.obra-opcao input:checked + span {
  border-color: var(--ambar); background: #fdf3e3;
}

.aviso { padding: 12px 16px; border-radius: 10px; margin-bottom: 12px; font-weight: 600; }
.aviso.ok { background: #e2f3e8; color: var(--ok); }
.aviso.erro { background: #f9e3e2; color: var(--erro); }

.filtros { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filtros input, .filtros select { width: auto; flex: 1; min-width: 140px; margin-top: 0; }

.tabela-scroll { overflow-x: auto; background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--borda); }
th { background: #eef0f3; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
tr.total td { background: #eef0f3; font-weight: 700; }
.nada-quebra { white-space: nowrap; }
td form { margin: 0; }

.nav-dia { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.form-dia { flex: 1; }
.form-dia input { margin-top: 0; }
.cartao.trabalhador strong { display: block; margin-bottom: 4px; }
.periodos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.periodos label { margin-top: 4px; font-weight: 500; font-size: 14px; color: var(--mudo); }

#lista-ficheiros { margin-top: 8px; word-break: break-word; }

.cartao.trabalhador .nota {
  margin-top: 10px; font-size: 15px; padding: 8px 12px;
  border-style: dashed; background: #fbfbfc;
}
.cartao.trabalhador .nota::placeholder { color: #a7adb6; }

.opcoes-linha { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.check-linha {
  display: flex; align-items: center; gap: 10px; margin-top: 12px;
  font-weight: 500; cursor: pointer;
}
.check-linha input { width: 20px; height: 20px; margin: 0; }
.marcas { font-size: 14px; white-space: nowrap; }
.custo-campo { display: flex; align-items: center; gap: 6px; color: var(--mudo); }
.custo-campo input { width: 80px; margin-top: 0; text-align: right; }

@media (max-width: 420px) {
  nav a { padding: 6px 8px; font-size: 14px; }
}