:root {
  --brand: #12372a;
  --brand-2: #1f7a5a;
  --ink: #172026;
  --muted: #64748b;
  --line: #dbe4ea;
  --page: #f4f7f6;
}

body {
  background: var(--page);
  color: var(--ink);
}

.app-shell {
  max-width: 1440px;
}

.navbar {
  box-shadow: 0 1px 0 rgba(255,255,255,.08), 0 8px 24px rgba(15,23,42,.12);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0;
  white-space: normal;
}

.nav-link {
  border-radius: 6px;
}

.nav-link:hover,
.nav-link:focus {
  background: rgba(255,255,255,.12);
}

.page-card,
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
}

.stat-card {
  min-height: 86px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.stat-card .label {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
}

.stat-card .value {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 750;
}

.btn {
  border-radius: 7px;
  font-weight: 600;
}

.table {
  min-width: 760px;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scanner-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(16px, 4vw, 28px);
}

#scanInput {
  min-height: 64px;
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 700;
  text-align: center;
}

#resultPanel {
  min-height: 112px;
  border-width: 2px;
}

#resultPanel h2 {
  font-size: clamp(1.25rem, 4vw, 2.2rem);
  font-weight: 800;
}

#reader {
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
}

.login-card {
  max-width: 460px;
  margin-inline: auto;
}

@media (max-width: 767.98px) {
  main.container {
    padding-inline: 12px;
  }

  .btn,
  .form-control,
  .form-select {
    min-height: 44px;
  }

  .action-row {
    display: grid !important;
    grid-template-columns: 1fr;
  }

  .action-row .btn,
  .action-row form {
    width: 100%;
  }
}