.container {
    --blue: var(--app-brand);
    --blue-light: var(--app-brand-soft);
    --red: var(--app-danger);
    --red-light: var(--app-error-bg);
    --green: var(--app-success);
    --green-light: var(--app-success-bg);
    --orange: var(--app-warning);
    --orange-light: rgba(180, 105, 0, 0.12);
    --gray: var(--app-muted);
    --gray-light: var(--app-panel-soft);
    --border: var(--app-border-soft);
    --text: var(--app-text);
    --radius: var(--app-radius-sm);
    max-width: 900px;
    margin: 32px auto 56px;
    padding: 0 16px;
    animation: app-fade-in-up 0.4s ease;
  }

  /* Header */
  .sanitizer-header { text-align: center; margin-bottom: 28px; }
  .sanitizer-header .header-logo {
    display: inline-flex; align-items: center; gap: 12px;
    background: var(--blue); color: #ffffff;
    padding: 10px 22px; border-radius: 40px;
    font-size: 13px; font-weight: 600;
    margin-bottom: 20px; letter-spacing: 0.3px;
  }
  .sanitizer-header h1 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
  .sanitizer-header p { color: var(--gray); font-size: 15px; max-width: 560px; margin: 0 auto; line-height: 1.6; }

  /* Tabs */
  .tabs {
    display: flex; gap: 8px;
    background: var(--app-panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 6px; margin-bottom: 24px;
  }
  .tab {
    flex: 1; padding: 12px; border: none; background: none;
    border-radius: 8px; font-size: 15px; font-weight: 600;
    color: var(--gray); cursor: pointer; font-family: inherit;
    transition: all 0.15s;
  }
  .tab:hover { background: var(--gray-light); }
  .tab.active { background: var(--blue); color: #ffffff; }
  .panel { display: none; }
  .panel.active { display: block; }

  /* Drop zone */
  .drop-zone {
    border: 2.5px dashed var(--border); border-radius: var(--radius);
    background: var(--app-panel); padding: 44px 24px; text-align: center;
    cursor: pointer; transition: all 0.2s; margin-bottom: 20px; position: relative;
  }
  .drop-zone:hover, .drop-zone.drag-over { border-color: var(--blue); background: var(--blue-light); }
  .drop-zone.has-file { border-color: var(--green); background: var(--green-light); }
  .drop-icon { font-size: 44px; margin-bottom: 14px; display: block; }
  .drop-zone h2 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
  .drop-zone p { color: var(--gray); font-size: 14px; }
  .drop-zone input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
  }
  .file-info {
    display: none; align-items: center; gap: 10px;
    background: var(--app-panel); border: 1px solid var(--border); border-radius: 8px;
    padding: 12px 16px; margin-bottom: 16px; font-size: 14px;
  }
  .file-info.visible { display: flex; }
  .file-name { font-weight: 600; flex: 1; }
  .file-size { color: var(--gray); }
  .btn-remove {
    background: none; border: none; color: var(--red);
    cursor: pointer; font-size: 18px; padding: 0 4px; line-height: 1;
  }

  /* Buttons */
  .btn-main {
    width: 100%; padding: 16px; background: var(--blue); color: #ffffff;
    border: none; border-radius: var(--radius); font-size: 16px; font-weight: 700;
    cursor: pointer; transition: background 0.2s, transform 0.1s; margin-bottom: 24px;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    font-family: inherit;
  }
  .btn-main:hover:not(:disabled) { background: var(--app-brand-strong); }
  .btn-main:active { transform: scale(0.99); }
  .btn-main:disabled { background: var(--app-border); cursor: not-allowed; }

  .btn-download {
    width: 100%; padding: 15px; background: var(--green); color: #ffffff;
    border: none; border-radius: var(--radius); font-size: 15px; font-weight: 700;
    cursor: pointer; transition: background 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    margin-top: 8px; text-decoration: none;
  }
  .btn-download:hover { filter: brightness(0.94); }

  .btn-small {
    background: var(--app-panel); border: 1px solid var(--border); border-radius: 7px;
    padding: 6px 12px; font-size: 12px; font-weight: 600; cursor: pointer;
    color: var(--text); font-family: inherit;
  }
  .btn-small:hover { background: var(--gray-light); }
  .btn-small.danger { color: var(--red); border-color: var(--app-error-border); }

  /* Result cards */
  .results { display: none; }
  .results.visible { display: block; }
  .result-card {
    background: var(--app-panel); border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; margin-bottom: 16px; box-shadow: var(--app-shadow);
  }
  .result-header {
    padding: 16px 20px; display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid var(--border);
  }
  .result-header.success { background: var(--green-light); }
  .result-header.warning { background: var(--orange-light); }
  .result-header.danger  { background: var(--red-light); }
  .result-icon { font-size: 22px; }
  .result-title { font-size: 16px; font-weight: 700; flex: 1; }
  .result-badge {
    background: var(--blue); color: #ffffff; border-radius: 20px;
    padding: 3px 12px; font-size: 13px; font-weight: 600; white-space: nowrap;
  }
  .result-badge.red { background: var(--red); }
  .result-badge.green { background: var(--green); }
  .result-badge.orange { background: var(--orange); }

  /* Change list */
  .change-list { padding: 0; list-style: none; max-height: 420px; overflow-y: auto; }
  .change-item {
    padding: 12px 20px; border-bottom: 1px solid var(--border);
    display: grid; grid-template-columns: 84px 130px 1fr 150px;
    gap: 12px; align-items: start; font-size: 13px;
  }
  .change-item:last-child { border-bottom: none; }
  .change-item:nth-child(even) { background: var(--app-panel-soft); }
  .change-node {
    font-family: var(--mono); font-size: 12px; background: var(--gray-light);
    padding: 2px 8px; border-radius: 6px; color: var(--blue);
    font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .change-field { font-family: var(--mono); font-size: 12px; color: var(--gray); word-break: break-all; }
  .change-before { color: var(--red); font-family: var(--mono); font-size: 12px; word-break: break-all; }
  .change-after { color: var(--green); font-family: var(--mono); font-size: 12px; font-weight: 600; word-break: break-all; }
  .change-header {
    padding: 10px 20px; background: var(--app-panel-soft);
    display: grid; grid-template-columns: 84px 130px 1fr 150px; gap: 12px;
    font-size: 11px; font-weight: 700; color: var(--gray);
    text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
  }

  /* Notes */
  .note {
    display: flex; align-items: flex-start; gap: 10px;
    border-radius: 8px; padding: 12px 16px; margin-bottom: 20px;
    font-size: 13px; line-height: 1.6;
  }
  .note.info { background: var(--blue-light); border: 1px solid var(--app-success-border); color: var(--app-success-text); }
  .note.warn { background: var(--orange-light); border: 1px solid rgba(180, 105, 0, 0.3); color: var(--app-warning); }
  .note strong { font-weight: 700; }

  /* Vault */
  .vault-box {
    background: var(--app-panel); border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 20px; overflow: hidden;
  }
  .vault-box > h3 {
    font-size: 14px; font-weight: 700; padding: 14px 18px;
    background: var(--app-panel-soft); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 8px;
  }
  .vault-list { list-style: none; }
  .vault-row {
    padding: 12px 18px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 12px; font-size: 13px; cursor: pointer;
  }
  .vault-row:last-child { border-bottom: none; }
  .vault-row:hover { background: var(--app-panel-soft); }
  .vault-row.selected { background: var(--blue-light); }
  .vault-row input[type="radio"] { accent-color: var(--blue); width: 16px; height: 16px; }
  .vault-meta { flex: 1; min-width: 0; }
  .vault-name { font-weight: 600; word-break: break-all; }
  .vault-sub { color: var(--gray); font-size: 12px; margin-top: 2px; }
  .vault-empty { padding: 22px 18px; text-align: center; color: var(--gray); font-size: 13px; }
  .vault-actions { padding: 12px 18px; display: flex; gap: 8px; flex-wrap: wrap; background: var(--app-panel-soft); }

  .token-chip {
    font-family: var(--mono); font-size: 11px; background: var(--gray-light);
    border-radius: 5px; padding: 2px 6px; margin: 2px; display: inline-block;
  }
  .token-wrap { padding: 14px 20px; font-size: 13px; line-height: 1.9; }
  .empty-state { text-align: center; padding: 26px; color: var(--gray); font-size: 14px; }
  .id-pill {
    font-family: var(--mono); font-size: 12px; background: var(--gray-light);
    padding: 4px 10px; border-radius: 6px; display: inline-block;
  }

  @media (max-width: 620px) {
    .change-item, .change-header { grid-template-columns: 1fr 1fr; }
    .change-before, .change-field { display: none; }
  }

  .tab:focus-visible,
  .btn-main:focus-visible,
  .btn-small:focus-visible,
  .btn-remove:focus-visible,
  .drop-zone input[type="file"]:focus-visible {
    outline: none;
    box-shadow: var(--app-focus-ring);
  }

  .change-list,
  .vault-list {
    margin: 0;
  }

  body.theme-dark .note.warn {
    color: var(--app-warning);
  }