/* TecnoPRO Civil — design system (herda tokens canônicos do TecnoPRO + acento civil) */
:root {
  --primary: #001233;
  --primary-2: #002366;
  --gold: #FFD700;
  --accent: #FF6700;           /* laranja segurança (obra) */
  --concrete: #6B7280;         /* cinza concreto */
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #475569;
  --border: #dee2e6;
  --ok: #15803d;
  --warn: #b45309;
  --err: #b91c1c;
  --radius: 8px;
  --shadow: 0 2px 8px rgb(0 0 0 / 0.06);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.5; }
a { color: var(--primary-2); }
img, svg { max-width: 100%; }

/* ---------- Header / footer ---------- */
.site-header { background: var(--primary); color: #fff; }
.site-header .wrap { display: flex; align-items: center; gap: 1rem; justify-content: space-between; padding-block: .75rem; }
.brand { color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .02em; font-size: 1.15rem; }
.brand span { color: var(--accent); }
.site-header nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.site-header nav a { color: #e2e8f0; text-decoration: none; font-size: .95rem; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--gold); }
.site-footer { margin-top: 3rem; padding-block: 2rem; background: var(--primary); color: #cbd5e1; font-size: .875rem; }
.wrap { max-inline-size: 1200px; margin-inline: auto; padding-inline: 1rem; }

/* ---------- Tipografia ---------- */
h1 { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.25rem); line-height: 1.2; margin-block: 1.5rem .5rem; color: var(--primary); }
h2 { font-size: 1.25rem; margin-block: 0 .75rem; color: var(--primary); }
.lead { color: var(--muted); max-inline-size: 70ch; margin-block-start: 0; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; padding: .1rem .5rem; border-radius: 999px; background: #fff7ed; color: var(--warn); border: 1px solid #fed7aa; vertical-align: middle; }
.badge.ok { background: #f0fdf4; color: var(--ok); border-color: #bbf7d0; }

/* ---------- Layout da ferramenta ---------- */
.tool { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); align-items: start; }
@media (width < 900px) { .tool { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem 1.25rem; }
.stack > * + * { margin-block-start: 1rem; }

/* ---------- Formulários ---------- */
.field { display: grid; gap: .25rem; }
.field label { font-weight: 600; font-size: .9rem; }
.hint { color: var(--muted); font-size: .8rem; }
.grid-2 { display: grid; gap: .75rem; grid-template-columns: 1fr 1fr; }
@media (width < 480px) { .grid-2 { grid-template-columns: 1fr; } }
input, select, button { font: inherit; }
input[type="number"], select, input[type="text"], input[type="email"], input[type="password"] {
  inline-size: 100%; padding: .45rem .6rem; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text);
}
input:focus-visible, select:focus-visible, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 1px; }
input:user-invalid { border-color: var(--err); background-color: #fef2f2; }
input:user-invalid + .error-msg { display: block; }
.error-msg { display: none; color: var(--err); font-size: .8rem; }
.btn { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--primary); background: var(--primary); color: #fff; padding: .5rem .9rem; border-radius: 6px; cursor: pointer; font-weight: 600; }
.btn:hover { background: var(--primary-2); }
.btn.secondary { background: #fff; color: var(--primary); }
.btn.accent { background: var(--accent); border-color: var(--accent); }
.btn.small { padding: .25rem .55rem; font-size: .85rem; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- Tabelas (responsive-table) ---------- */
.table-wrapper { overflow: auto; max-inline-size: 100%; max-block-size: min(520px, 75vh); container-type: inline-size; border: 1px solid var(--border); border-radius: 6px; }
table { border-collapse: separate; border-spacing: 0; inline-size: 100%; font-size: .875rem; font-variant-numeric: tabular-nums; }
caption { text-align: start; font-weight: 700; padding: .5rem .75rem; color: var(--primary); }
th, td { padding: .4rem .6rem; border-block-end: 1px solid var(--border); text-align: end; white-space: nowrap; }
.res-table th, .res-table td { white-space: normal; }
th:first-child, td:first-child { text-align: start; }
thead { position: sticky; inset-block-start: 0; z-index: 1; }
thead th { background: #eef2f7; color: var(--primary); font-weight: 700; }
tbody th { position: sticky; inset-inline-start: 0; background: #fff; }
tr.destaque > * { background: #fff7ed; font-weight: 700; }
.spt-table td { text-align: start; }
.spt-table input[type="number"] { inline-size: 5.5rem; }
@container (width < 520px) {
  .res-table table, .res-table thead, .res-table tbody, .res-table tr, .res-table th, .res-table td { display: block; }
  .res-table thead { display: none; }
  .res-table tr { margin-block-end: .75rem; border: 1px solid var(--border); border-radius: 6px; }
  .res-table tbody th { position: sticky; inset-block-start: 0; z-index: 2; background: #eef2f7; }
  .res-table caption { display: block; inline-size: 100%; }
  .res-table td { text-align: start; }
  .res-table td::before { content: attr(data-label) ": "; font-weight: 600; color: var(--muted); }
}

/* ---------- Resultados ---------- */
.kpis { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.kpi { border: 1px solid var(--border); border-radius: 6px; padding: .6rem .75rem; background: #fbfcfe; }
.kpi .v { font-size: 1.35rem; font-weight: 800; color: var(--primary); font-variant-numeric: tabular-nums; }
.kpi .l { font-size: .78rem; color: var(--muted); }
.alerts { margin: 0; padding-inline-start: 1.1rem; color: var(--warn); font-size: .85rem; }
.disclaimer { border-inline-start: 4px solid var(--accent); background: #fff7ed; padding: .6rem .8rem; font-size: .85rem; border-radius: 0 6px 6px 0; }
.chart { inline-size: 100%; block-size: auto; background: #fff; border: 1px solid var(--border); border-radius: 6px; }

/* ---------- Impressão (memorial) ---------- */
@media print {
  .site-header nav, .no-print, .site-footer { display: none !important; }
  body { background: #fff; }
  .tool { grid-template-columns: 1fr; }
  .card { box-shadow: none; break-inside: avoid; }
  .table-wrapper { max-block-size: none; overflow: visible; }
  .print-only { display: block !important; }
}
.print-only { display: none; }


/* ---------- Autenticação unificada & Timbre PRO ---------- */
.nav-auth-btn {
  background: transparent; border: 1px solid rgb(255 255 255 / 0.35); color: #fff;
  padding: .25rem .65rem; border-radius: 6px; font-size: .85rem; cursor: pointer; font-weight: 600;
}
.nav-auth-btn:hover { border-color: var(--gold); color: var(--gold); }
dialog.auth-modal {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem;
  inline-size: min(420px, calc(100vw - 2rem)); box-shadow: 0 12px 32px rgb(0 0 0 / 0.22);
  color: var(--text); background: var(--surface);
}
dialog.auth-modal::backdrop { background-color: rgb(0 18 51 / 0.55); backdrop-filter: blur(2px); }
.pw-row { display: flex; gap: .4rem; align-items: stretch; }
.pw-row input { flex: 1; }
.pro-letterhead {
  display: none; border-block-end: 2px solid var(--primary); padding-block-end: .6rem; margin-block-end: .75rem;
}
.pro-letterhead strong { font-size: 1.05rem; color: var(--primary); display: block; }
.pro-letterhead span { font-size: .82rem; color: var(--muted); }
@media print {
  .pro-letterhead[data-ready="true"] { display: block !important; }
  dialog.auth-modal { display: none !important; }
}

/* ---------- Modo App / TWA Google Play (oculta itens em roadmap para zero placeholder) ---------- */
@media (display-mode: standalone) {
  .roadmap-only { display: none !important; }
}
html[data-twa="true"] .roadmap-only { display: none !important; }