:root {
  --navy: #052F77; --navy-dk: #031D4D; --blue: #1F6FD1; --sky: #EAF1FB; --sky2: #F5F8FD;
  --line: #D5DFEE; --text: #26313F; --muted: #677385; --red: #B3261E; --red-bg: #FBEDEC;
  --green: #1E7A45; --green-bg: #E8F5EC; --bg: #F3F6FA; --white: #fff;
  --r: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 Arial, "Liberation Sans", Helvetica, sans-serif; }
a { color: var(--blue); }
h1 { font-size: 20px; color: var(--navy); margin: 0 0 4px; }
h2 { font-size: 15px; color: var(--navy); margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 20px; }
.hidden { display: none !important; }

/* Topo */
.topo { background: var(--navy-dk) url("../img/fundo.jpg") center/cover; color: #fff; height: 56px; display: flex; align-items: center;
  justify-content: space-between; padding: 0 20px; position: sticky; top: 0; z-index: 10; }
.topo img { height: 26px; display: block; }
.topo .usuario { font-size: 13px; color: #CFDDF5; display: flex; gap: 14px; align-items: center; }
.topo button { background: transparent; border: 1px solid rgba(255,255,255,.35); color: #fff; border-radius: 6px; padding: 5px 10px; cursor: pointer; }

/* Layout */
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
.menu { background: var(--white); border-right: 1px solid var(--line); padding: 16px 10px; }
.menu .grupo { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 14px 10px 6px; }
.menu a { display: block; padding: 8px 10px; border-radius: 6px; color: var(--text); text-decoration: none; }
.menu a:hover { background: var(--sky2); }
.menu a.ativo { background: var(--sky); color: var(--navy); font-weight: 700; }
.menu a.breve { color: var(--muted); pointer-events: none; }
.menu a.breve::after { content: "fase 2"; font-size: 10px; margin-left: 6px; background: var(--bg); padding: 1px 6px; border-radius: 10px; }
main { padding: 24px 28px 48px; max-width: 1200px; }

/* Barra de ações */
.acoes { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.acoes .esp { flex: 1; }
input, select, textarea { font: inherit; color: inherit; border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; border-color: var(--blue); }
textarea { min-height: 120px; resize: vertical; }
.acoes input[type=search] { max-width: 320px; }
button.btn { background: var(--navy); color: #fff; border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; font-weight: 700; }
button.btn:hover { background: var(--blue); }
button.sec { background: #fff; color: var(--navy); border: 1px solid var(--line); }
button.sec:hover { background: var(--sky2); }
button.link { background: none; border: 0; color: var(--blue); cursor: pointer; padding: 0; font: inherit; }
button.perigo { color: var(--red); }

/* Tabelas */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 18px; margin-bottom: 16px; }
.tabela { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.tabela th { background: var(--navy); color: #fff; text-align: left; font-size: 12px; padding: 9px 10px; font-weight: 700; }
.tabela th.n { text-align: right; }
.tabela td { padding: 8px 10px; border-top: 1px solid var(--line); vertical-align: middle; }
.tabela tr:nth-child(even) td { background: var(--sky2); }
.tabela tr.inativo td { color: var(--muted); }
.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--sky); color: var(--navy); font-weight: 700; }
.tag.cinza { background: var(--bg); color: var(--muted); }
.tag.verde { background: var(--green-bg); color: var(--green); }
.vazio { padding: 28px; text-align: center; color: var(--muted); }

/* Formulários */
.grade { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 16px; }
.grade.tres { grid-template-columns: repeat(3, 1fr); }
.campo label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.campo.largo { grid-column: 1 / -1; }
.ajuda { font-size: 12px; color: var(--muted); margin-top: 4px; }
.checks { display: flex; gap: 16px; padding-top: 6px; }
.checks label { display: flex; gap: 6px; align-items: center; color: var(--text); font-size: 14px; }
.checks input { width: auto; }

/* Diálogo */
dialog { border: 0; border-radius: 10px; padding: 0; width: min(760px, 94vw); box-shadow: 0 20px 60px rgba(3,29,77,.25); }
dialog::backdrop { background: rgba(3,29,77,.45); }
dialog .cab { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
dialog .cab h2 { margin: 0; }
dialog .corpo { padding: 18px 20px; max-height: 70vh; overflow: auto; }
dialog .rod { padding: 12px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; background: var(--sky2); }
.fechar { background: none; border: 0; font-size: 22px; line-height: 1; cursor: pointer; color: var(--muted); }

/* Fórmula */
.formula td input, .formula td select { padding: 5px 7px; }
.custo-kg { display: flex; justify-content: space-between; align-items: baseline; background: var(--sky); border-radius: 6px; padding: 10px 14px; margin: 12px 0; }
.custo-kg b { font-size: 20px; color: var(--navy); }

/* Avisos */
.aviso { position: fixed; right: 20px; bottom: 20px; padding: 12px 16px; border-radius: 8px; color: #fff; background: var(--navy); box-shadow: 0 8px 24px rgba(0,0,0,.2); z-index: 50; max-width: 420px; }
.aviso.erro { background: var(--red); }
.erro-form { background: var(--red-bg); color: var(--red); border-radius: 6px; padding: 8px 12px; margin-bottom: 12px; }

/* Login */
.login-pg { min-height: 100vh; display: grid; place-items: center; background: var(--navy-dk) url("../img/fundo.jpg") center/cover; padding: 16px; }
.login { background: #fff; border-radius: 12px; width: min(380px, 100%); padding: 28px; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.login img { height: 30px; margin-bottom: 18px; }
.login .campo { margin-bottom: 12px; }
.login button { width: 100%; padding: 10px; margin-top: 6px; }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .menu { display: flex; overflow-x: auto; gap: 4px; padding: 8px; border-right: 0; border-bottom: 1px solid var(--line); }
  .menu .grupo { display: none; }
  .menu a { white-space: nowrap; }
  main { padding: 16px; }
  .grade, .grade.tres { grid-template-columns: 1fr; }
  .tabela { display: block; overflow-x: auto; }
}