/* ── Theme CSS variables ─────────────────────────────────────── */
  :root, [data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-input: #0f1117;
    --border: #2d3148;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #8b8fad;
    --text-placeholder: #6b6f8a;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --nav-bg: #1a1d27;
    --nav-border: #2d3148;
    --nav-link: #94a3b8;
    --nav-hover-bg: #2d3148;
    --success-bg: #052e16;
    --success-border: #166534;
    --success-text: #4ade80;
    --error-bg: #1f0000;
    --error-border: #991b1b;
    --error-text: #f87171;
    --scrollbar-track: #1a1d27;
    --scrollbar-thumb: #3b3f57;
    --scrollbar-thumb-hover: #5a5f7a;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --code-bg: #161822;
    /* ── Extra UI layers ── */
    --bg-tertiary: #12151f;
    --bg-hover: #1e2130;
    --accent-bg: #1e1b33;
    --accent-border: #2d2852;
    --accent-light: #a78bfa;
    --btn-ghost-hover: #363b55;
    /* ── Verdict palette ── */
    --v-clean: #4ade80;
    --v-clean-bg: #052e16;
    --v-clean-bg2: #14532d;
    --v-clean-border: #166534;
    --v-suspicious: #fbbf24;
    --v-suspicious-bg: #1c1400;
    --v-suspicious-bg2: #451a03;
    --v-suspicious-border: #78350f;
    --v-likely: #fb923c;
    --v-likely-bg: #200800;
    --v-likely-bg2: #431407;
    --v-likely-border: #9a3412;
    --v-phishing: #f87171;
    --v-phishing-bg: #1f0000;
    --v-phishing-bg2: #450a0a;
    --v-phishing-border: #991b1b;
    /* ── Muted/dim text ── */
    --text-dim: #4c4f6b;
    --text-info: #64748b;
    --warning-text: #fbbf24;
    --warning-bg: #1c1400;
    --warning-border: #78350f;
  }

  [data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-input: #ffffff;
    --border: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-placeholder: #94a3b8;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --nav-bg: #ffffff;
    --nav-border: #e2e8f0;
    --nav-link: #475569;
    --nav-hover-bg: #f1f5f9;
    --success-bg: #f0fdf4;
    --success-border: #86efac;
    --success-text: #166534;
    --error-bg: #fef2f2;
    --error-border: #fca5a5;
    --error-text: #991b1b;
    --scrollbar-track: #f1f5f9;
    --scrollbar-thumb: #cbd5e1;
    --scrollbar-thumb-hover: #94a3b8;
    --modal-overlay: rgba(0, 0, 0, 0.4);
    --code-bg: #f1f5f9;
    /* ── Extra UI layers ── */
    --bg-tertiary: #f1f5f9;
    --bg-hover: #f8fafc;
    --accent-bg: #f5f3ff;
    --accent-border: #ddd6fe;
    --accent-light: #7c3aed;
    --btn-ghost-hover: #e2e8f0;
    /* ── Verdict palette ── */
    --v-clean: #16a34a;
    --v-clean-bg: #f0fdf4;
    --v-clean-bg2: #dcfce7;
    --v-clean-border: #86efac;
    --v-suspicious: #ca8a04;
    --v-suspicious-bg: #fefce8;
    --v-suspicious-bg2: #fef9c3;
    --v-suspicious-border: #fde047;
    --v-likely: #ea580c;
    --v-likely-bg: #fff7ed;
    --v-likely-bg2: #ffedd5;
    --v-likely-border: #fdba74;
    --v-phishing: #dc2626;
    --v-phishing-bg: #fef2f2;
    --v-phishing-bg2: #fee2e2;
    --v-phishing-border: #fca5a5;
    /* ── Muted/dim text ── */
    --text-dim: #94a3b8;
    --text-info: #64748b;
    --warning-text: #ca8a04;
    --warning-bg: #fefce8;
    --warning-border: #fde047;
  }

  /* ── Scrollbar ──────────────────────────────────────────────── */
  ::-webkit-scrollbar { width: 8px; height: 8px; }
  ::-webkit-scrollbar-track { background: var(--scrollbar-track); border-radius: 4px; }
  ::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }
  * { scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track); }

  /* ── Theme toggle button ────────────────────────────────────── */
  .theme-toggle {
    background: none; border: 1px solid var(--border); color: var(--text-secondary);
    width: 38px; height: 32px; padding: 0; border-radius: 6px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background 0.2s, color 0.2s;
  }
  .theme-toggle:hover { background: var(--nav-hover-bg); color: var(--text-primary); }
  .theme-toggle svg {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
  }
  .feedback-button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
  }
  .feedback-button:hover,
  .feedback-button:focus-visible {
    background: var(--nav-hover-bg);
    border-color: var(--accent-border);
    color: var(--text-primary);
  }
  .feedback-button svg {
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
  }
  .logout-button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
  }
  .logout-button:hover { background: var(--nav-hover-bg); color: var(--text-primary); }

  .feedback-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--modal-overlay);
  }
  .feedback-backdrop.open { display: flex; }
  .feedback-modal {
    width: min(540px, 100%);
    max-height: min(720px, calc(100vh - 40px));
    overflow: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  }
  .feedback-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 22px 14px;
    border-bottom: 1px solid var(--border);
  }
  .feedback-modal-title {
    margin: 0 0 5px;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 800;
  }
  .feedback-modal-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.5;
  }
  .feedback-close {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
  }
  .feedback-close:hover,
  .feedback-close:focus-visible {
    background: var(--nav-hover-bg);
    color: var(--text-primary);
  }
  .feedback-form {
    display: grid;
    gap: 14px;
    padding: 18px 22px 22px;
  }
  .feedback-field {
    display: grid;
    gap: 7px;
  }
  .feedback-field label {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .feedback-field select,
  .feedback-field textarea,
  .feedback-field input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text-primary);
    font: inherit;
    font-size: 14px;
    line-height: 1.45;
  }
  .feedback-field select,
  .feedback-field input {
    min-height: 40px;
    padding: 8px 10px;
  }
  .feedback-field textarea {
    min-height: 96px;
    resize: vertical;
    padding: 10px;
  }
  .feedback-privacy {
    border: 1px solid var(--warning-border);
    border-radius: 6px;
    background: var(--warning-bg);
    color: var(--warning-text);
    padding: 10px 12px;
    font-size: 12px;
    line-height: 1.5;
  }
  .feedback-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
  }
  .feedback-secondary,
  .feedback-primary {
    border: 0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 14px;
  }
  .feedback-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
  }
  .feedback-secondary:hover {
    background: var(--nav-hover-bg);
    color: var(--text-primary);
  }
  .feedback-primary {
    background: var(--accent);
    color: #fff;
  }
  .feedback-primary:hover { background: var(--accent-hover); }
  .feedback-status {
    min-height: 18px;
    color: var(--text-info);
    font-size: 12px;
  }

  @media (max-width: 760px) {
    .feedback-button-text { display: none; }
    .feedback-button { padding: 6px 8px; }
  }

  @media (max-width: 640px) {
    .feedback-modal-header,
    .feedback-form {
      padding-left: 16px;
      padding-right: 16px;
    }
    .feedback-actions {
      align-items: stretch;
      flex-direction: column-reverse;
    }
    .feedback-secondary,
    .feedback-primary {
      width: 100%;
    }
  }

  /* Product-aligned admin shell. Shared.css is injected after page CSS, so
     these rules keep legacy owner pages under /admin visually consistent
     with the public product page. */
  body > nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 56px !important;
    min-height: 56px !important;
    padding: 0 32px !important;
    border-bottom: 1px solid var(--nav-border) !important;
    background: var(--nav-bg) !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }

  body > nav .logo {
    margin-right: auto !important;
    color: var(--accent-light) !important;
    font-size: 17px !important;
    font-weight: 800 !important;
    letter-spacing: 0 !important;
    text-decoration: none !important;
  }

  body > nav .logo svg {
    width: 18px !important;
    height: 18px !important;
  }

  body > nav a:not(.logo) {
    min-height: 34px !important;
    border: 1px solid transparent !important;
    border-radius: 6px !important;
    background: transparent !important;
    color: var(--text-secondary) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 8px 12px !important;
    font-size: 14px !important;
    font-weight: 800 !important;
    line-height: 1 !important;
    text-decoration: none !important;
  }

  body > nav a:not(.logo):hover,
  body > nav a:not(.logo).active {
    border-color: var(--border) !important;
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
  }

  body > nav .feedback-button,
  body > nav .logout-button,
  body > nav .theme-toggle {
    min-height: 34px !important;
    margin: 0 !important;
    border-radius: 6px !important;
    background: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
  }

  body > nav .feedback-button,
  body > nav .logout-button {
    border: 1px solid var(--border) !important;
    padding: 0 11px !important;
    font-size: 14px !important;
    font-weight: 800 !important;
  }

  body > nav .feedback-button:hover,
  body > nav .logout-button:hover,
  body > nav .theme-toggle:hover {
    background: var(--nav-hover-bg) !important;
    color: var(--text-primary) !important;
  }

  body > .page {
    width: min(1180px, calc(100% - 40px)) !important;
    max-width: none !important;
    margin: 0 auto !important;
    padding: 36px 0 56px !important;
  }

  .page-header,
  .hero {
    margin-bottom: 28px !important;
  }

  .page-header h1,
  .hero h1 {
    color: var(--text-primary) !important;
    font-size: 26px !important;
    font-weight: 800 !important;
    line-height: 1.18 !important;
    letter-spacing: 0 !important;
  }

  .page-header p,
  .hero p {
    color: var(--text-muted) !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
  }

  .card,
  .stat-card,
  .status-item,
  .key-item,
  .acct-panel,
  .modal,
  #drop-zone {
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    background: var(--bg-secondary) !important;
    box-shadow: none !important;
  }

  .card,
  .acct-panel {
    padding: 20px !important;
  }

  .stat-card {
    padding: 18px !important;
    border-top-width: 3px !important;
  }

  .card-title {
    color: var(--text-secondary) !important;
    font-size: 13px !important;
    font-weight: 900 !important;
    letter-spacing: 0 !important;
  }

  .btn,
  .btn-sm,
  .acct-toggle,
  .acct-connect-btn,
  .btn-detonate {
    min-height: 34px !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px !important;
    background: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
    font-size: 13px !important;
    font-weight: 800 !important;
    padding: 8px 12px !important;
  }

  .btn:hover,
  .btn-sm:hover,
  .acct-toggle:hover,
  .acct-connect-btn:hover,
  .btn-detonate:hover {
    border-color: var(--accent-border) !important;
    background: var(--nav-hover-bg) !important;
    color: var(--text-primary) !important;
  }

  .btn-primary,
  .acct-connect-btn,
  .btn-detonate,
  .btn-fb.submit {
    border-color: var(--accent) !important;
    background: var(--accent) !important;
    color: #fff !important;
  }

  .btn-primary:hover,
  .acct-connect-btn:hover,
  .btn-detonate:hover,
  .btn-fb.submit:hover {
    border-color: var(--accent-hover) !important;
    background: var(--accent-hover) !important;
    color: #fff !important;
  }

  #drop-zone {
    min-height: 220px !important;
    padding: 32px 28px !important;
    border-style: dashed !important;
    border-width: 2px !important;
  }

  #drop-zone:hover,
  #drop-zone.drag-over,
  #drop-zone.has-file {
    border-color: var(--accent) !important;
    background: var(--accent-bg) !important;
  }

  table {
    border-color: var(--border) !important;
  }

  th {
    color: var(--text-muted) !important;
    font-size: 11px !important;
    font-weight: 900 !important;
    letter-spacing: 0 !important;
  }

  td {
    border-bottom-color: var(--border) !important;
    color: var(--text-primary);
  }

  @media (max-width: 760px) {
    body > nav {
      height: auto !important;
      min-height: 0 !important;
      flex-wrap: wrap !important;
      padding: 12px 20px !important;
    }

    body > nav .logo {
      flex: 1 0 100% !important;
      margin-right: 0 !important;
    }

    body > .page {
      width: min(100% - 28px, 1180px) !important;
      padding-top: 28px !important;
    }
  }