:root {
    --bg: #0f1115; --panel: #181b22; --panel-2: #1f232c; --border: #2a2f3a;
    --text: #e7eaf0; --muted: #9aa3b2; --accent: #4f8cff;
    --good: #57ab5a; --warn: #d4a72c; --bad: #e5534b;
    --header-bg: rgba(15,17,21,.84); --tint: rgba(255,255,255,.02);
    --shadow: 0 20px 50px rgba(0,0,0,.45);
  }
  @media (prefers-color-scheme: light) {
    :root {
      --bg: #f5f7fb; --panel: #ffffff; --panel-2: #eef2f7; --border: #dde1e8;
      --text: #1a1d24; --muted: #5b6472; --accent: #3b6fe0;
      --good: #268042; --warn: #94690f; --bad: #cb4036;
      --header-bg: rgba(255,255,255,.86); --tint: rgba(20,26,40,.022);
      --shadow: 0 18px 44px rgba(20,26,40,.10);
    }
  }
  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden;
         font: 16px/1.65 -apple-system, "Segoe UI", Roboto, sans-serif;
         background: var(--bg); color: var(--text); position: relative; }
  /* Decorative wash behind the top of the page, matching the other public pages. */
  body::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 100%; max-width: 1100px; height: 460px; pointer-events: none; z-index: 0;
    background:
      radial-gradient(ellipse 42% 46% at 26% 32%, var(--accent2-14), transparent 70%),
      radial-gradient(ellipse 46% 50% at 74% 26%, var(--accent-20), transparent 72%);
  }
  a { color: var(--accent-text); }
  /* Accent as small text fails 4.5:1 in light mode on every admin theme. */
  :root { --accent-text: var(--accent); }
  @media (prefers-color-scheme: light) {
    @supports (color: color-mix(in srgb, red, blue)) {
      :root { --accent-text: color-mix(in srgb, var(--accent) 70%, #000); }
    }
  }
  :root {
    --accent-30: color-mix(in srgb, var(--accent) 30%, transparent);
    --accent-12: color-mix(in srgb, var(--accent) 12%, transparent);
    --accent-20: color-mix(in srgb, var(--accent) 20%, transparent);
    --good-14: color-mix(in srgb, var(--good) 14%, transparent);
  }
  /* Gradient partner colour for the brand icon and CTA button, derived from the
     live accent so a rebrand stays coherent. Static fallback first. */
  :root { --accent-2: #7c4dd6; }
  @supports (color: color-mix(in oklab, red, blue)) {
    :root { --accent-2: color-mix(in oklab, var(--accent) 58%, #8b5cf6); }
  }
  :root { --accent2-14: color-mix(in srgb, var(--accent-2) 14%, transparent); }
  .wrap { max-width: 860px; margin: 0 auto; padding: 34px 20px 80px; flex: 1; width: 100%;
          position: relative; z-index: 1; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px;
    padding: 6px 14px; border-radius: 100px; font-size: 13px; font-weight: 600;
    background: var(--accent-12); border: 1px solid var(--accent-30); color: var(--accent-text);
  }
  .eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px var(--good-14); }

  h1 { font-size: clamp(27px, 5vw, 36px); line-height: 1.18; margin: 0 0 12px; text-wrap: balance; }
  .lead { font-size: 17px; color: var(--muted); max-width: 62ch; margin: 0 0 26px; }

  form.checker { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
  form.checker input {
    flex: 1; min-width: 240px; padding: 13px 15px; border-radius: 9px; font-size: 15px;
    border: 1px solid var(--border); background: var(--panel); color: var(--text);
  }
  form.checker input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
  form.checker input[aria-invalid="true"] { border-color: var(--bad); }
  .field-err { color: var(--bad); font-size: 14px; font-weight: 600; margin: -2px 0 10px; }
  .btn { padding: 13px 24px; border-radius: 9px; font-weight: 600; font-size: 15px;
         border: none; cursor: pointer; font-family: inherit; text-decoration: none;
         display: inline-block; background: var(--accent); color: #fff; }
  .btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
  .btn:disabled { opacity: .6; cursor: default; }
  .hint { color: var(--muted); font-size: 13px; margin: 0 0 30px; }

  /* Optional "email me this report" row. Its own line rather than a third control in
     the flex row above, so the primary action stays on one line at every width. */
  .optin { flex-basis: 100%; display: flex; gap: 10px; flex-wrap: wrap;
           align-items: center; margin-top: 2px; }
  .optin label { color: var(--muted); font-size: 13.5px; flex-shrink: 0; }
  form.checker .optin input { flex: 1; min-width: 200px; padding: 10px 13px;
                              font-size: 14px; }
  .optin .note { color: var(--muted); font-size: 12.5px; flex-basis: 100%; margin: 0; }
  .ok { color: var(--good); font-size: 14.5px; margin: 14px 0 0; }
  .err { color: var(--bad); font-size: 14.5px; margin: 14px 0 0; }

  .progress { display: flex; align-items: center; gap: 11px; margin: 18px 0;
              padding: 14px 16px; border-radius: 10px; background: var(--panel);
              border: 1px solid var(--border); font-size: 14.5px; }
  .spinner { width: 15px; height: 15px; border-radius: 50%; flex-shrink: 0;
             border: 2px solid var(--border); border-top-color: var(--accent);
             animation: spin .7s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }
  @media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2.4s; } }

  /* Result header: live screenshot in a monitor frame, tally bars, and a score ring. */
  .scorecard { display: grid; grid-template-columns: minmax(0, 290px) minmax(0, 1fr) auto;
               gap: 26px; align-items: center; background: var(--panel);
               border: 1px solid var(--border); border-radius: 14px;
               padding: 26px; margin: 26px 0 8px; }
  @media (max-width: 860px) { .scorecard { grid-template-columns: 1fr; justify-items: center; text-align: center; } }

  .monitor { width: 100%; max-width: 290px; }
  .monitor .bezel { background: #15171c; border-radius: 9px; padding: 9px 9px 7px;
                    box-shadow: 0 8px 22px rgba(0,0,0,.28); }
  .monitor .screen { position: relative; width: 100%; aspect-ratio: 4 / 3;
                     background: var(--panel-2); border-radius: 3px; overflow: hidden; }
  .monitor .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
  .monitor .screen .placeholder { position: absolute; inset: 0; display: flex; align-items: center;
                                  justify-content: center; color: var(--muted); font-size: 12.5px;
                                  text-align: center; padding: 12px; }
  .monitor .stand { width: 64px; height: 9px; margin: 0 auto; background: #d4d7dd;
                    border-radius: 0 0 4px 4px; }
  .monitor .base { width: 104px; height: 6px; margin: 0 auto; background: #c3c7cf; border-radius: 3px; }

  .shot-toggle { display: flex; gap: 6px; justify-content: center; margin-top: 12px; }
  .shot-toggle button { background: transparent; border: 1px solid var(--border); color: var(--muted);
                        border-radius: 6px; padding: 4px 12px; font-size: 12.5px; cursor: pointer;
                        font-family: inherit; }
  .shot-toggle button.on { border-color: var(--accent); color: var(--accent); }
  .monitor .screen.mobile { aspect-ratio: 9 / 16; max-width: 168px; margin: 0 auto; }

  .scoremeta { min-width: 0; width: 100%; }
  .scoremeta .site { font-size: 20px; font-weight: 700; color: var(--accent);
                     word-break: break-word; margin-bottom: 2px; }
  .scoremeta .when { color: var(--muted); font-size: 13.5px; margin-bottom: 16px; }
  .tally { display: grid; grid-template-columns: 20px 92px 1fr; gap: 10px;
           align-items: center; margin-bottom: 9px; font-size: 14px; }
  @media (max-width: 860px) { .tally { grid-template-columns: 20px 92px 1fr; text-align: left; } }
  .tally .ico { width: 18px; height: 18px; border-radius: 50%; display: flex;
                align-items: center; justify-content: center; color: #fff;
                font-size: 11px; font-weight: 700; }
  .tally.pass .ico { background: var(--good); }
  .tally.warn .ico { background: var(--warn); }
  .tally.fail .ico { background: var(--bad); }
  .tally .name { color: var(--text); }
  .tally .bar { height: 9px; border-radius: 100px; background: var(--panel-2); overflow: hidden; }
  .tally .bar i { display: block; height: 100%; border-radius: 100px; width: 0;
                  transition: width .8s cubic-bezier(.22,.7,.3,1); }
  .tally.pass .bar i { background: var(--good); }
  .tally.warn .bar i { background: var(--warn); }
  .tally.fail .bar i { background: var(--bad); }
  @media (prefers-reduced-motion: reduce) { .tally .bar i { transition: none; } }

  .ring { position: relative; width: 132px; height: 132px; flex-shrink: 0; }
  .ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
  .ring .track { fill: none; stroke: var(--panel-2); stroke-width: 9; }
  .ring .value { fill: none; stroke-width: 9; stroke-linecap: round;
                 transition: stroke-dashoffset 1s cubic-bezier(.22,.7,.3,1); }
  @media (prefers-reduced-motion: reduce) { .ring .value { transition: none; } }
  .ring .pct { position: absolute; inset: 0; display: flex; align-items: center;
               justify-content: center; font-size: 30px; font-weight: 700;
               font-variant-numeric: tabular-nums; }
  .ring .pct sup { font-size: 12px; font-weight: 600; margin-left: 1px; color: var(--muted); }
  .score-why { margin: 16px 0 0; font-size: 14px; color: var(--muted); line-height: 1.55; }
  .score-why b { color: var(--text); font-weight: 600; }

  h2.sec { font-size: 13px; text-transform: uppercase; letter-spacing: .09em;
           color: var(--accent); font-weight: 700; margin: 36px 0 14px;
           padding-top: 18px; border-top: 1px solid var(--border); }
  .check { display: grid; grid-template-columns: 78px 1fr; gap: 12px; align-items: start;
           padding: 13px 0; border-bottom: 1px solid var(--border); }
  .check:last-child { border-bottom: 0; }
  .badge { font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
           padding: 4px 8px; border-radius: 5px; text-align: center; white-space: nowrap; }
  .badge.pass { background: rgba(87,171,90,.15); color: var(--good); }
  .badge.warn { background: rgba(212,167,44,.16); color: var(--warn); }
  .badge.fail { background: rgba(229,83,75,.15); color: var(--bad); }
  .badge.info { background: var(--panel-2); color: var(--muted); }
  .check .label { font-weight: 600; margin-bottom: 3px; }
  .check .detail { color: var(--muted); font-size: 14.5px; word-break: break-word; }
  .check .advice { color: var(--warn); font-size: 13.5px; margin-top: 5px; }

  .cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
  .cloud span { background: var(--panel); border: 1px solid var(--border);
                border-radius: 100px; padding: 5px 12px; font-size: 13.5px; }
  .cloud b { color: var(--muted); font-weight: 500; }
  .tablewrap { overflow-x: auto; }
  table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 420px; }
  th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em;
       color: var(--muted); font-weight: 600; padding: 0 10px 8px 0; border-bottom: 1px solid var(--border); }
  td { padding: 9px 10px 9px 0; border-bottom: 1px solid var(--border); }
  td.yes { color: var(--good); } td.no { color: var(--bad); }

  .upsell { background: var(--panel); border: 1px solid var(--accent); border-radius: 12px;
            padding: 22px 24px; margin: 34px 0 0; }
  .upsell h3 { margin: 0 0 8px; font-size: 18px; }
  .upsell p { color: var(--muted); margin: 0 0 16px; }
  .upsell .row { display: flex; gap: 10px; flex-wrap: wrap; }
  .badge-offer { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
                 padding: 20px; margin: 28px 0 0; }
  .badge-offer h3 { margin: 0 0 8px; font-size: 18px; }
  .badge-offer p { color: var(--muted); margin: 0 0 14px; }
  .badge-offer textarea { width: 100%; min-height: 84px; resize: vertical; font: 12.5px/1.5 ui-monospace, Menlo, monospace;
                          background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
                          border-radius: 8px; padding: 10px; }
  .badge-offer .row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 10px; }

  .explainer { margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--border); }
  .explainer h2 { font-size: 21px; margin: 30px 0 10px; }
  .explainer h3 { font-size: 16px; margin: 22px 0 6px; }
  .explainer p, .explainer li { color: var(--muted); font-size: 15.5px; max-width: 68ch; }
  .explainer ul { padding-left: 20px; }
  footer { margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--border);
           color: var(--muted); font-size: 13px; text-align: center; }
  footer a { color: var(--muted); margin: 0 8px; }