/* =====================================================================
   QRCode Genera — Base Stylesheet
   Design system: clean, modern, business-oriented SaaS look.
   Works alongside Bootstrap 5 (CDN) — this file only adds brand tokens
   and small refinements, it doesn't reimplement a grid system.
   ===================================================================== */

:root {
  --qrg-primary: #1d4ed8;      /* indigo-blue — brand */
  --qrg-primary-dark: #1e3a8a;
  --qrg-accent: #06b6d4;       /* teal accent for scan/analytics context */
  --qrg-ink: #0f172a;
  --qrg-ink-soft: #475569;
  --qrg-bg: #f8fafc;
  --qrg-card: #ffffff;
  --qrg-border: #e2e8f0;
  --qrg-success: #16a34a;
  --qrg-warning: #d97706;
  --qrg-danger: #dc2626;
  --qrg-radius: 14px;
  --qrg-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px -12px rgba(15, 23, 42, .12);
  --qrg-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--qrg-font);
  color: var(--qrg-ink);
  background: var(--qrg-bg);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; color: var(--qrg-ink); }

.text-soft { color: var(--qrg-ink-soft); }

/* ---------------------------------------------------------------------
   Navbar (marketing site)
--------------------------------------------------------------------- */
.qrg-navbar {
  background: var(--qrg-card);
  border-bottom: 1px solid var(--qrg-border);
}
.qrg-navbar .navbar-brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--qrg-ink);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.qrg-navbar .navbar-brand .logo-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--qrg-primary), var(--qrg-accent));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}
.qrg-navbar .nav-link {
  color: var(--qrg-ink-soft);
  font-weight: 500;
}
.qrg-navbar .nav-link.active,
.qrg-navbar .nav-link:hover {
  color: var(--qrg-primary);
}

/* ---------------------------------------------------------------------
   Buttons
--------------------------------------------------------------------- */
.btn-qrg-primary {
  background: var(--qrg-primary);
  border-color: var(--qrg-primary);
  color: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: .65rem 1.25rem;
}
.btn-qrg-primary:hover { background: var(--qrg-primary-dark); border-color: var(--qrg-primary-dark); color: #fff; }

.btn-qrg-outline {
  border: 1px solid var(--qrg-border);
  color: var(--qrg-ink);
  font-weight: 600;
  border-radius: 10px;
  background: #fff;
}
.btn-qrg-outline:hover { border-color: var(--qrg-primary); color: var(--qrg-primary); }

/* ---------------------------------------------------------------------
   Hero
--------------------------------------------------------------------- */
.qrg-hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(1200px 400px at 50% -10%, rgba(29,78,216,.08), transparent);
}
.qrg-hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
}
.qrg-hero p.lead {
  color: var(--qrg-ink-soft);
  font-size: 1.15rem;
}

/* ---------------------------------------------------------------------
   Cards
--------------------------------------------------------------------- */
.qrg-card {
  background: var(--qrg-card);
  border: 1px solid var(--qrg-border);
  border-radius: var(--qrg-radius);
  box-shadow: var(--qrg-shadow);
}
.qrg-card .card-body { padding: 1.75rem; }

.qrg-feature-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(29,78,216,.08);
  color: var(--qrg-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}

/* ---------------------------------------------------------------------
   Pricing
--------------------------------------------------------------------- */
.qrg-price-card { position: relative; }
.qrg-price-card.featured {
  border-color: var(--qrg-primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.12), var(--qrg-shadow);
}
.qrg-price-card .badge-popular {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--qrg-primary); color: #fff; font-weight: 600;
  padding: .3rem .75rem; border-radius: 999px; font-size: .75rem;
}
.qrg-price { font-size: 2.5rem; font-weight: 800; }
.qrg-price small { font-size: 1rem; font-weight: 500; color: var(--qrg-ink-soft); }

/* ---------------------------------------------------------------------
   Forms (auth pages)
--------------------------------------------------------------------- */
.qrg-auth-wrapper {
  min-height: calc(100vh - 72px);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
}
.qrg-auth-card { max-width: 420px; width: 100%; }
.form-control:focus { border-color: var(--qrg-primary); box-shadow: 0 0 0 3px rgba(29,78,216,.12); }

/* ---------------------------------------------------------------------
   Dashboard shell
--------------------------------------------------------------------- */
.qrg-app-shell { display: flex; min-height: 100vh; }

.qrg-sidebar {
  width: 250px;
  background: #0f172a;
  color: #e2e8f0;
  flex-shrink: 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.qrg-sidebar .brand {
  padding: 1.25rem 1.25rem 1rem;
  font-weight: 800; color: #fff; font-size: 1.05rem;
  display: flex; align-items: center; gap: .5rem;
}
.qrg-sidebar nav { padding: .5rem .75rem; }
.qrg-sidebar .nav-link {
  color: #cbd5e1;
  padding: .6rem .75rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: .925rem;
  display: flex; align-items: center; gap: .6rem;
  margin-bottom: .15rem;
}
.qrg-sidebar .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.qrg-sidebar .nav-link.active { background: var(--qrg-primary); color: #fff; }
.qrg-sidebar .nav-section-title {
  text-transform: uppercase; font-size: .7rem; letter-spacing: .06em;
  color: #64748b; padding: 1rem .75rem .25rem;
}

.qrg-main { flex: 1; min-width: 0; }
.qrg-topbar {
  background: #fff; border-bottom: 1px solid var(--qrg-border);
  padding: .85rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 10;
}
.qrg-content { padding: 1.75rem 1.5rem 3rem; }

.qrg-stat-card { padding: 1.25rem 1.5rem; }
.qrg-stat-card .label { color: var(--qrg-ink-soft); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.qrg-stat-card .value { font-size: 1.9rem; font-weight: 800; margin-top: .25rem; }

@media (max-width: 991.98px) {
  .qrg-sidebar {
    position: fixed; left: -260px; top: 0; z-index: 1040; transition: left .2s ease;
  }
  .qrg-sidebar.open { left: 0; }
  .qrg-app-shell { display: block; }
}

/* ---------------------------------------------------------------------
   Footer
--------------------------------------------------------------------- */
.qrg-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 3rem 0 1.5rem;
}
.qrg-footer a { color: #cbd5e1; }
.qrg-footer a:hover { color: #fff; }
.qrg-footer h6 { color: #fff; font-weight: 700; margin-bottom: 1rem; }

/* ---------------------------------------------------------------------
   Alerts / flash messages
--------------------------------------------------------------------- */
.qrg-flash { border-radius: 10px; border: 1px solid transparent; }