/* =========================================================
   QR-Code Generator — Styles
   ========================================================= */

:root {
  --green:        #4caf50;
  --green-dark:   #3d8b40;
  --purple:       #6a1b9a;
  --blue:         #1e3fff;

  --bg:      #ffffff;
  --text:    #222222;
  --muted:   #6b7280;
  --border:  #d9dde3;
  --soft:    #f6f7f9;
  --soft-2:  #fafbfc;

  --radius-pill: 999px;
  --radius-md:   10px;
  --radius-lg:   16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 24px;
  min-height: 100vh;
  background: #f0f2f5;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
}

/* ---------- App layout ---------- */
.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 600;
}