.qr-code-generator-page {
      margin: 0;
      min-height: 100vh;
      height: auto;
      font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
      line-height: 1.55;
      background: #e8ecf1;
      background-image:
        radial-gradient(ellipse 100% 60% at 50% -10%, rgba(0, 154, 70, 0.08), transparent),
        radial-gradient(ellipse 55% 40% at 100% 0%, rgba(48, 107, 151, 0.06), transparent);
      color: #1a2332;
    }

    .qr-code-generator-page main.qr-gen-main {
      flex: 1;
      width: 100%;
      max-width: 740px;
      margin-left: auto;
      margin-right: auto;
      padding: 1.25rem 1rem 3rem;
    }

    @media (min-width: 920px) {
      .qr-code-generator-page main.qr-gen-main {
        max-width: 1100px;
      }
    }

    .qr-scope {
      --bg: #f4f6f9;
      --surface: #ffffff;
      --border: rgba(0, 0, 0, 0.1);
      --text: #1a2332;
      --muted: #5a6b7d;
      --accent: #009a46;
      --accent-hover: #007a38;
      --accent-muted: rgba(0, 154, 70, 0.15);
      --accent-blue: #306b97;
      --error: #c62828;
      --radius: 12px;
      --shadow: 0 10px 36px rgba(22, 28, 38, 0.08);
    }

    .qr-code-generator-page .qr-scope.qr-app {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .qr-code-generator-page .qr-scope .qr-page-intro {
      padding: 1.75rem 1.35rem 1.5rem;
      text-align: center;
      background: linear-gradient(165deg, #f0faf4 0%, #ffffff 55%, #f7f9fc 100%);
      border-bottom: 1px solid var(--border);
    }

    .qr-code-generator-page .qr-scope .qr-badge {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      background: var(--accent-muted);
      padding: 0.2rem 0.55rem;
      border-radius: 999px;
      margin-bottom: 0.75rem;
    }

    .qr-code-generator-page .qr-scope .qr-page-intro h2 {
      margin: 0 0 0.35rem;
      font-size: clamp(1.5rem, 4vw, 1.85rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text);
    }

    .qr-code-generator-page .qr-scope .qr-page-intro p {
      margin: 0;
      max-width: 28rem;
      margin-left: auto;
      margin-right: auto;
      color: var(--muted);
      font-size: 0.95rem;
    }

    .qr-code-generator-page .qr-scope .qr-app-stack {
      padding: 1.25rem 1.35rem 1.75rem;
    }

    .qr-code-generator-page .qr-scope .qr-layout {
      display: grid;
      gap: 1.25rem;
      align-items: start;
    }

    .qr-code-generator-page .qr-scope .qr-layout__controls {
      min-width: 0;
    }

    .qr-code-generator-page .qr-scope .qr-layout__aside {
      min-width: 0;
    }

    .qr-code-generator-page .qr-scope .qr-layout .panel {
      margin-bottom: 0;
    }

    .qr-code-generator-page .qr-scope .qr-preview-label {
      margin: 0 0 0.65rem;
      font-size: 0.72rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
      text-align: center;
    }

    @media (min-width: 920px) {
      .qr-code-generator-page .qr-scope .qr-layout {
        grid-template-columns: minmax(0, 1fr) minmax(268px, 340px);
        gap: 1.35rem;
      }

      .qr-code-generator-page .qr-scope .qr-layout__aside {
        position: sticky;
        top: 1rem;
      }

      .qr-code-generator-page .qr-scope .preview.panel .actions {
        flex-direction: column;
        align-items: stretch;
      }

      .qr-code-generator-page .qr-scope .preview.panel .actions button {
        width: 100%;
      }
    }

    .qr-code-generator-page .qr-scope .panel {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.25rem 1.35rem;
      margin-bottom: 1.25rem;
    }

    .qr-code-generator-page .qr-scope .preview.panel {
      background: var(--surface);
    }

    .qr-code-generator-page .qr-scope label {
      display: block;
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
      margin-bottom: 0.45rem;
    }

    .qr-code-generator-page .qr-scope textarea {
      width: 100%;
      min-height: 100px;
      padding: 0.75rem 0.9rem;
      font: inherit;
      font-size: 0.95rem;
      color: var(--text);
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      resize: vertical;
    }

    .qr-code-generator-page .qr-scope textarea:focus {
      outline: none;
    }

    .qr-code-generator-page .qr-scope textarea:focus-visible {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-muted);
    }

    .qr-code-generator-page .qr-scope .row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 1rem;
      margin-top: 1rem;
    }

    .qr-code-generator-page .qr-scope select,
    .qr-code-generator-page .qr-scope input[type="number"],
    .qr-code-generator-page .qr-scope input[type="text"],
    .qr-code-generator-page .qr-scope input[type="tel"],
    .qr-code-generator-page .qr-scope input[type="color"] {
      width: 100%;
      padding: 0.55rem 0.65rem;
      font: inherit;
      font-size: 0.9rem;
      color: var(--text);
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
    }

    .qr-code-generator-page .qr-scope .preset-block {
      margin-top: 0.75rem;
    }

    .qr-code-generator-page .qr-scope .preset-block[hidden] {
      display: none !important;
    }

    .qr-code-generator-page .qr-scope .preset-block > .row:first-of-type {
      margin-top: 0;
    }

    .qr-code-generator-page .qr-scope .field-block {
      margin-top: 1rem;
    }

    .qr-code-generator-page .qr-scope .check-row {
      display: flex;
      align-items: center;
      margin-top: 1rem;
    }

    .qr-code-generator-page .qr-scope .check-row label.checkbox {
      display: flex;
      align-items: center;
      gap: 0.55rem;
      margin: 0;
      font-size: 0.95rem;
      font-weight: 500;
      text-transform: none;
      letter-spacing: normal;
      color: var(--text);
      cursor: pointer;
    }

    .qr-code-generator-page .qr-scope .check-row input[type="checkbox"] {
      width: 1.1rem;
      height: 1.1rem;
      accent-color: var(--accent);
    }

    .qr-code-generator-page .qr-scope input[type="color"] {
      height: 42px;
      padding: 4px;
      cursor: pointer;
    }

    .qr-code-generator-page .qr-scope select:focus,
    .qr-code-generator-page .qr-scope input[type="number"]:focus,
    .qr-code-generator-page .qr-scope input[type="text"]:focus,
    .qr-code-generator-page .qr-scope input[type="tel"]:focus,
    .qr-code-generator-page .qr-scope input[type="color"]:focus {
      outline: none;
    }

    .qr-code-generator-page .qr-scope select:focus-visible,
    .qr-code-generator-page .qr-scope input[type="number"]:focus-visible,
    .qr-code-generator-page .qr-scope input[type="text"]:focus-visible,
    .qr-code-generator-page .qr-scope input[type="tel"]:focus-visible,
    .qr-code-generator-page .qr-scope input[type="color"]:focus-visible {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-muted);
    }

    .qr-code-generator-page .qr-scope .range-row {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .qr-code-generator-page .qr-scope input[type="range"] {
      flex: 1;
      accent-color: var(--accent);
    }

    .qr-code-generator-page .qr-scope .range-value {
      min-width: 2.5rem;
      text-align: right;
      font-variant-numeric: tabular-nums;
      color: var(--muted);
      font-size: 0.9rem;
    }

    .qr-code-generator-page .qr-scope .preview {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }

    .qr-code-generator-page .qr-scope .canvas-box {
      padding: 1.25rem;
      background: var(--surface);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      line-height: 0;
    }

    .qr-code-generator-page .qr-scope canvas {
      display: block;
      max-width: 100%;
      height: auto;
    }

    .qr-code-generator-page .qr-scope .status {
      min-height: 1.25rem;
      font-size: 0.85rem;
      color: var(--muted);
      text-align: center;
    }

    .qr-code-generator-page .qr-scope .status.err {
      color: var(--error);
    }

    .qr-code-generator-page .qr-scope .actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.65rem;
      justify-content: center;
    }

    .qr-code-generator-page .qr-scope button {
      font: inherit;
      font-size: 0.9rem;
      font-weight: 600;
      padding: 0.6rem 1.15rem;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      transition: background 0.15s, transform 0.1s;
    }

    .qr-code-generator-page .qr-scope button:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .qr-code-generator-page .qr-scope button:active {
      transform: scale(0.98);
    }

    .qr-code-generator-page .qr-scope .btn-primary {
      background: var(--accent);
      color: #ffffff;
    }

    .qr-code-generator-page .qr-scope .btn-primary:hover {
      background: var(--accent-hover);
    }

    .qr-code-generator-page .qr-scope .btn-secondary {
      background: var(--surface);
      color: var(--text);
      border: 1px solid var(--border);
    }

    .qr-code-generator-page .qr-scope .btn-secondary:hover {
      background: var(--accent-muted);
    }

    .qr-code-generator-page .qr-scope button:disabled {
      opacity: 0.45;
      cursor: not-allowed;
      transform: none;
    }

    .qr-code-generator-page .qr-scope .qr-attribution {
      margin: 0;
      padding: 0 1.35rem 1.35rem;
      text-align: center;
      font-size: 0.8rem;
      color: var(--muted);
      line-height: 1.5;
    }

    .qr-code-generator-page .qr-scope .qr-attrib-link {
      color: var(--accent-blue);
      text-decoration: underline;
      text-underline-offset: 0.15em;
    }

    .qr-code-generator-page .qr-scope .qr-attrib-link:hover {
      color: var(--accent-hover);
    }

    .qr-code-generator-page .skip-link {
      position: absolute;
      top: 0;
      left: 0;
      padding: 0.5rem 1rem;
      background: #009a46;
      color: #ffffff;
      font-weight: 600;
      text-decoration: none;
      border-radius: 0 0 8px 0;
      transform: translateY(-120%);
      transition: transform 0.15s ease;
      z-index: 1200;
    }

    .qr-code-generator-page .skip-link:focus-visible {
      transform: translateY(0);
      outline: 2px solid #1a2332;
      outline-offset: 2px;
    }

    .qr-code-generator-page footer.footer a {
      color: inherit;
      text-decoration: underline;
    }

    @media (prefers-reduced-motion: reduce) {
      .qr-code-generator-page .qr-scope button,
      .qr-code-generator-page .skip-link {
        transition: none;
      }

      .qr-code-generator-page .qr-scope button:active {
        transform: none;
      }
    }

.shell-main.qr-code-generator-page-shell {
  margin: 0;
  padding: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
  background: transparent;
}

body[data-shell-active] .shell-main.qr-code-generator-page-shell {
  padding: 0;
}

.shell-main.qr-code-generator-page-shell .tool-page-header,
.shell-main.qr-code-generator-page-shell .tool-lead {
  display: none;
}