:root {
  --bg: #f4f6fa; --surface: #ffffff; --surface-2: #f8fafc; --border: #e3e8ef;
  --text: #1a2233; --muted: #667085; --primary: #0f6fec; --primary-ink: #ffffff;
  --primary-soft: #e8f1fe; --green: #12a150; --green-soft: #e3f6ec; --amber: #b7791f;
  --amber-soft: #fdf3e1; --red: #d92d20; --red-soft: #fdecea; --wa: #25d366; --wa-dark: #128c4b;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08); --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c; --surface: #161d28; --surface-2: #1b2431; --border: #2a3444;
    --text: #e6eaf0; --muted: #98a2b3; --primary: #4b93ff; --primary-soft: #1b2d4a;
    --green: #3ccf7f; --green-soft: #15301f; --amber: #f0b354; --amber-soft: #33270f;
    --red: #ff6b5e; --red-soft: #3a1714; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 22px; margin: 0; } h2 { font-size: 17px; margin: 0 0 12px; } h3 { font-size: 15px; margin: 0 0 8px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .right { text-align: right; } .nowrap { white-space: nowrap; }
.hidden { display: none !important; }

/* Layout */
.app { display: flex; min-height: 100vh; }
.side { width: 230px; background: var(--surface); border-right: 1px solid var(--border); padding: 18px 12px;
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { font-weight: 800; font-size: 19px; padding: 4px 10px 18px; letter-spacing: -.3px; }
.brand span { color: var(--primary); }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--text); margin-bottom: 2px; }
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav .badge { margin-left: auto; }
.side-foot { margin-top: auto; padding: 10px; border-top: 1px solid var(--border); font-size: 13px; }
.main { flex: 1; min-width: 0; padding: 24px 28px 60px; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar .spacer { flex: 1; }
.mob-bar { display: none; }

/* Componentes */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.grid { display: grid; gap: 14px; }
.g4 { grid-template-columns: repeat(4, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g2 { grid-template-columns: repeat(2, 1fr); }
.kpi { padding: 16px 18px; } .kpi .lbl { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.kpi .val { font-size: 26px; font-weight: 700; margin-top: 4px; } .kpi .sub { font-size: 12px; color: var(--muted); }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; font: inherit; font-weight: 500; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.wa { background: var(--wa); border-color: var(--wa); color: #fff; }
.btn.wa:hover { background: var(--wa-dark); }
.btn.danger { color: var(--red); } .btn.ok { color: var(--green); }
.btn.sm { padding: 5px 10px; font-size: 13px; } .btn.xs { padding: 3px 8px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.b-blue { background: var(--primary-soft); color: var(--primary); } .b-green { background: var(--green-soft); color: var(--green); }
.b-amber { background: var(--amber-soft); color: var(--amber); } .b-red { background: var(--red-soft); color: var(--red); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; background: var(--surface-2); }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--surface-2); }
.tbl-wrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
.empty { text-align: center; color: var(--muted); padding: 34px 10px; }

input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
textarea { min-height: 70px; resize: vertical; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.search { max-width: 280px; }

/* Itens editáveis */
.items-ed td { padding: 4px 4px; border: none; } .items-ed input { padding: 6px 8px; }
.items-ed .c-qtd { width: 90px; } .items-ed .c-un { width: 90px; } .items-ed .c-x { width: 36px; }

/* Modal */
.modal-bg { position: fixed; inset: 0; background: rgba(10,15,25,.5); display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 12px; width: 100%; max-width: 640px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.modal.lg { max-width: 920px; }
.modal-h { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-h h2 { margin: 0; flex: 1; } .modal-b { padding: 18px 20px; } .modal-f { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.x { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--muted); }

.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: #1a2233; color: #fff; padding: 10px 18px;
  border-radius: 8px; z-index: 99; box-shadow: 0 6px 20px rgba(0,0,0,.25); max-width: 90vw; }
.toast.err { background: var(--red); }

/* Comparativo */
.cmp th, .cmp td { text-align: center; } .cmp th:first-child, .cmp td:first-child { text-align: left; min-width: 220px; }
.cmp td.best { background: var(--green-soft); } .cmp td.best .p { color: var(--green); font-weight: 700; }
.cmp td.sel { outline: 2px solid var(--primary); outline-offset: -2px; }
.cmp td.na { color: var(--muted); font-size: 12px; } .cmp .p { font-weight: 600; } .cmp .t { font-size: 12px; color: var(--muted); }
.cmp td.cell { cursor: pointer; } .cmp tfoot td { background: var(--surface-2); font-weight: 600; }
.cmp .marca { font-size: 11px; color: var(--muted); }
.summary { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.summary .card { flex: 1; min-width: 200px; margin: 0; }

.chk-list { max-height: 380px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.chk-list label { display: flex; gap: 10px; align-items: center; padding: 9px 12px; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text); font-weight: 400; margin: 0; cursor: pointer; }
.chk-list label:hover { background: var(--surface-2); } .chk-list input { width: auto; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; font-weight: 500; }
.tabs a.active { color: var(--primary); border-color: var(--primary); }
.steps { display: flex; gap: 6px; flex-wrap: wrap; font-size: 12px; }
.qr { display: block; margin: 10px auto; max-width: 260px; background: #fff; padding: 8px; border-radius: 8px; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 360px; }

@media (max-width: 900px) {
  .g4 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: 1fr; } .g2 { grid-template-columns: 1fr; }
  .side { position: fixed; left: -260px; z-index: 40; transition: left .2s; width: 240px; }
  .side.open { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .mob-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30; }
  .app { flex-direction: column; }
  .main { padding: 16px 16px 60px; }
  .search { max-width: none; }
}
@media print {
  .side, .mob-bar, .no-print { display: none !important; } .main { padding: 0; } .card { box-shadow: none; border: none; }
}