:root {
  --bg: #0f172a;
  --bg-deep: #020617;
  --card: #1e293b;
  --card-border: #334155;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #f87171;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --text-dim: #cbd5e1;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 18px 64px;
}

/* ---------- Header ---------- */
header.app-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.logo {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}
h1 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }
.sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ---------- Card ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 16px;
  font-weight: 600;
}

/* ---------- Form ---------- */
.form-row { margin-bottom: 14px; }
label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 500;
}
input[type="text"],
input[type="password"],
input[type="number"] {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color .15s;
}
input:focus {
  outline: none;
  border-color: var(--accent);
}
input.totp-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 22px;
  letter-spacing: 0.25em;
  text-align: center;
}

button {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0f172a;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: filter .15s;
  font-family: inherit;
}
button:hover:not(:disabled) { filter: brightness(1.1); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.ghost {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-dim);
}

.msg {
  margin: 12px 0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  display: none;
}
.msg.show { display: block; }
.msg.err { background: rgba(248, 113, 113, .12); color: var(--err); border-left: 3px solid var(--err); }
.msg.ok { background: rgba(74, 222, 128, .12); color: var(--ok); border-left: 3px solid var(--ok); }
.msg.warn { background: rgba(251, 191, 36, .12); color: var(--warn); border-left: 3px solid var(--warn); }

/* ---------- Setup 2FA ---------- */
.chave-manual {
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  font-family: ui-monospace, monospace;
  font-size: 18px;
  letter-spacing: 0.15em;
  color: var(--accent);
  word-break: break-all;
  margin: 8px 0;
}
.qr-wrap {
  text-align: center;
  margin: 16px 0;
}
.qr-wrap img {
  max-width: 220px;
  background: #fff;
  padding: 10px;
  border-radius: 8px;
}
.help-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.help-text strong { color: var(--text); }

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge.admin { background: rgba(56, 189, 248, .15); color: var(--accent); }
.badge.gerente { background: rgba(251, 191, 36, .15); color: var(--warn); }
.badge.operador { background: rgba(74, 222, 128, .15); color: var(--ok); }

/* ---------- Linhas de dado ---------- */
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 14px;
}
.row:last-child { border-bottom: none; }
.row .k { color: var(--muted); }
.row .v { font-family: ui-monospace, monospace; }

/* ---------- Menu grid (home) ---------- */
.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.menu-tile {
  display: block;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  color: inherit;
  transition: transform .12s, border-color .12s;
}
.menu-tile:hover:not(.disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
}
.menu-tile.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.menu-icon { font-size: 28px; line-height: 1; margin-bottom: 8px; }
.menu-label { font-weight: 700; font-size: 15px; }
.menu-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 14px;
  gap: 2px;
}
.tab-btn {
  flex: 1;
  width: auto;
  background: transparent;
  color: var(--muted);
  padding: 10px;
  font-size: 14px;
  border-radius: 8px;
  border: none;
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0f172a;
}

.tab-pane { animation: fade .2s; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Lista de produtos / sugestões ---------- */
.lista {
  margin-top: 10px;
  font-size: 14px;
}
.lista .item {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: border-color .12s;
}
.lista .item:hover { border-color: var(--accent); }
.lista .item .titulo { font-weight: 600; }
.lista .item .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.lista .item .meta code { background: transparent; color: var(--accent); padding: 0; }
.lista .vazio { color: var(--muted); font-style: italic; padding: 8px 0; }

/* ---------- Topbar (home autenticada) ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
}
.topbar .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar button {
  width: auto;
  padding: 6px 14px;
  font-size: 13px;
}

/* ---------- Saldo grande (tela detalhe) ---------- */
.saldo-grande {
  text-align: center;
  font-size: 72px;
  font-weight: 700;
  font-family: ui-monospace, monospace;
  line-height: 1.1;
  margin: 24px 0 8px;
}
.saldo-grande small {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  font-family: inherit;
}
.saldo-pos { color: var(--ok); }
.saldo-zero { color: var(--muted); }
.saldo-neg { color: var(--err); }
.lista .saldo { font-weight: 700; font-family: ui-monospace, monospace; }
.lista .saldo.saldo-neg { color: var(--err); }
.lista .saldo.saldo-pos { color: var(--ok); }

/* ---------- Scanner modal ---------- */
.scanner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scanner-box {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px;
  max-width: 92vw;
  width: 460px;
}
.scanner-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}
.scanner-topbar button { width: auto; font-size: 13px; padding: 5px 12px; }
#scanner-video {
  width: 100%;
  max-height: 60vh;
  background: #000;
  border-radius: 8px;
  display: block;
}
.scanner-controls {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.scanner-controls button { width: auto; font-size: 13px; padding: 8px; }

/* ---------- Install banner ---------- */
#install-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 12px 14px;
  z-index: 9000;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.install-inner {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.install-icon { font-size: 28px; }
.install-text { flex: 1; font-size: 13px; line-height: 1.3; min-width: 0; }
.install-text strong { display: block; margin-bottom: 2px; }
.install-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.install-actions button { width: auto; padding: 8px 14px; font-size: 13px; }