:root {
  --bg: #f6f4f1;
  --surface: #ffffff;
  --surface-2: #f1eee9;
  --border: #e3ded6;
  --text: #1f1b17;
  --muted: #776e64;
  --primary: #b3141a;
  --primary-ink: #ffffff;
  --ok: #1d7a43;
  --warn: #b26a00;
  --danger: #c0262d;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151312;
    --surface: #1f1c1a;
    --surface-2: #292523;
    --border: #3a3431;
    --text: #f2ede7;
    --muted: #a99f94;
    --primary: #e2474c;
    --ok: #4cc27c;
    --warn: #f0a63a;
    --danger: #ff6b70;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.4em; margin: 0; }
a { color: var(--primary); }

/* ---------- controls ---------- */
input, select, textarea {
  font: inherit; color: inherit; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--muted); }
label > input, label > select, label > textarea { color: var(--text); font-weight: 400; font-size: 16px; }
.check { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 500; }
.check input { width: 20px; height: 20px; accent-color: var(--primary); }

.btn {
  font: inherit; font-weight: 600; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 10px; padding: 10px 16px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  justify-content: center; text-decoration: none; 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(1.08); }
.btn.danger { color: var(--danger); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.small { padding: 6px 10px; font-size: 14px; }
.btn.icon { padding: 6px 9px; min-width: 36px; }
.btn:disabled { opacity: .5; cursor: default; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); padding: 28px; display: grid; gap: 14px; text-align: center; }
.login-card label { text-align: left; }

/* ---------- shell ---------- */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: grid; grid-template-columns: repeat(var(--tabs, 4), 1fr);
  background: var(--surface); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom);
}
.tabs button {
  border: 0; background: none; color: var(--muted); font: inherit; font-size: 12px; font-weight: 600;
  padding: 8px 0 10px; display: grid; justify-items: center; gap: 2px; cursor: pointer;
}
.tabs button span { font-size: 20px; filter: grayscale(1); opacity: .7; }
.tabs button.active { color: var(--primary); }
.tabs button.active span { filter: none; opacity: 1; }
.view { max-width: 860px; margin: 0 auto; padding: 16px 16px 100px; display: grid; gap: 16px; }

@media (min-width: 900px) {
  .tabs { position: sticky; top: 53px; bottom: auto; border-top: 0; border-bottom: 1px solid var(--border);
    grid-template-columns: repeat(var(--tabs, 4), max-content); justify-content: center; gap: 8px; }
  .tabs button { grid-auto-flow: column; gap: 8px; font-size: 15px; padding: 12px 18px; }
  .tabs button span { font-size: 16px; }
  .tabs button.active { box-shadow: inset 0 -3px 0 var(--primary); }
  .view { padding-bottom: 40px; }
}

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.search { flex: 1; min-width: 180px; }

/* ---------- price list ---------- */
.cat { overflow: hidden; }
.cat-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px; background: var(--surface-2);
  border-bottom: 1px solid var(--border); }
.cat-head h3 { flex: 1; font-size: 17px; }
.prod {
  display: grid; grid-template-columns: 1fr 130px auto; gap: 10px; align-items: center;
  padding: 8px 14px; border-bottom: 1px solid var(--border);
}
.prod:last-child { border-bottom: 0; }
.prod.off .prod-name { opacity: .45; text-decoration: line-through; }
.prod-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prod-name small { color: var(--muted); font-weight: 500; margin-left: 4px; }
.price-input { position: relative; }
.price-input::before { content: "R$"; position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: 14px; pointer-events: none; }
.price-input input { padding-left: 36px; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.price-input input.saved { border-color: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }
.price-input input.failed { border-color: var(--danger); }
.add-row { padding: 10px 14px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* ---------- offers ---------- */
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.offer { display: grid; grid-template-rows: 140px auto; overflow: hidden; cursor: pointer; }
.offer .thumb { background: repeating-conic-gradient(from 0deg at 50% 60%, #ffd400 0 9deg, #ffbf00 9deg 18deg);
  display: grid; place-items: center; padding: 10px; position: relative; }
.offer .thumb img { max-width: 100%; max-height: 120px; object-fit: contain; }
.offer .body { padding: 12px 14px; display: grid; gap: 4px; }
.offer .price { color: var(--primary); font-weight: 800; font-size: 22px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 99px;
  background: var(--surface-2); color: var(--muted); }
.badge.on { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.badge.off { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.offer .thumb .badge { position: absolute; top: 8px; left: 8px; background: var(--surface); }

/* ---------- screens ---------- */
.pair { padding: 16px; display: grid; gap: 12px; }
.pair-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: end; }
.pair-row input[name=code] { text-transform: uppercase; letter-spacing: 3px; font-weight: 700; }
.screen { padding: 14px 16px; display: grid; gap: 10px; }
.screen-top { display: flex; align-items: center; gap: 10px; }
.screen-top h3 { flex: 1; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.on { background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.meta { font-size: 13px; color: var(--muted); }

/* ---------- forms / dialog ---------- */
.form { display: grid; gap: 14px; }
.form-2 { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
dialog {
  width: min(520px, calc(100vw - 32px)); max-height: calc(100vh - 32px); border: 1px solid var(--border);
  border-radius: 16px; padding: 0; background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog form { display: grid; gap: 14px; padding: 20px; }
.dialog-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; margin-top: 6px; }
.dialog-actions .spacer { flex: 1; }
.weekdays { display: flex; gap: 6px; flex-wrap: wrap; }
.weekdays label { display: block; }
.weekdays input { position: absolute; opacity: 0; width: 0; }
.weekdays span { display: inline-block; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border);
  color: var(--text); font-weight: 600; cursor: pointer; }
.weekdays input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.weekdays input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

.image-field { display: flex; gap: 12px; align-items: center; }
.image-field .preview { width: 84px; height: 64px; border-radius: 8px; border: 1px dashed var(--border);
  background: var(--surface-2) center/contain no-repeat; flex: none; }
.image-field .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.settings { padding: 16px; display: grid; gap: 14px; }
.addresses code { display: block; padding: 8px 10px; background: var(--surface-2); border-radius: 8px; margin-top: 6px;
  font-size: 15px; user-select: all; }

.snack {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 50;
  background: #222; color: #fff; padding: 10px 16px; border-radius: 10px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,.3); max-width: calc(100vw - 32px);
}
.snack.err { background: var(--danger); }

@media (max-width: 520px) {
  .prod { grid-template-columns: 1fr 112px auto; padding: 8px 10px; gap: 8px; }
  .pair-row { grid-template-columns: 1fr; }
  .form-2 { grid-template-columns: 1fr; }
}

/* ---------- bars ---------- */
.bar { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; padding: 8px 16px;
  font-size: 14px; text-align: center; border-bottom: 1px solid var(--border); }
.bar.acting { background: #1f2b45; color: #fff; }
.bar.acting .btn { background: #fff; color: #1f2b45; border-color: #fff; }
.bar.warn { background: color-mix(in srgb, var(--warn) 16%, var(--surface)); color: var(--text); }
.bar.off { background: var(--danger); color: #fff; }

/* ---------- reseller ---------- */
.stats { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
  display: grid; gap: 2px; box-shadow: var(--shadow); }
.stat span { font-size: 13px; color: var(--muted); font-weight: 600; }
.stat b { font-size: 22px; font-variant-numeric: tabular-nums; }
.stat b small { font-size: 14px; color: var(--muted); }
.stat.warn { border-color: var(--warn); }
.stat.warn b { color: var(--warn); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: inherit; font-size: 14px; font-weight: 600; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); border-radius: 99px; padding: 6px 12px; cursor: pointer; }
.chip b { color: var(--muted); margin-left: 2px; }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip.on b { color: #fff; opacity: .8; }
.client { padding: 14px 16px; display: grid; gap: 12px; }
.client-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.client-info { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.client-info span { display: block; font-size: 12px; color: var(--muted); font-weight: 600; }
.client-info b { font-variant-numeric: tabular-nums; }
.list { overflow: hidden; }
.list-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.list-row:last-child { border-bottom: 0; }
.list-row.head { background: var(--surface-2); font-size: 13px; font-weight: 700; color: var(--muted); }
.list-row .grow { flex: 1; min-width: 0; }
.list-row .num { text-align: right; font-variant-numeric: tabular-nums; min-width: 90px; }
.cred { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 8px; }
.cred span { color: var(--muted); font-size: 14px; font-weight: 600; }
.cred code { background: var(--surface-2); padding: 8px 10px; border-radius: 8px; font-size: 16px; user-select: all; word-break: break-all; }
@media (max-width: 520px) {
  .tabs button { font-size: 11px; }
}