:root {
  --blue: #0095ff;
  --blue-dark: #006dba;
  --blue-tint: #f1f7ff;
  --ink: #111111;
  --muted: #666666;
  --line: #e4e8ee;
  --bg: #ffffff;
  --panel: #f8f9fb;
  --good: #11875d;
  --good-bg: #e6f6ef;
  --warn: #b25e00;
  --warn-bg: #fff3e0;
  --bad: #c8261c;
  --bad-bg: #fdecea;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
/* Components below set display:flex etc., which would otherwise override the hidden attribute. */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: Montserrat, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.6;
}
a { color: var(--blue-dark); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* header / footer */
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { display: block; height: 28px; width: auto; }
.brand small { color: var(--muted); font-weight: 600; font-size: 13px; padding-left: 12px; border-left: 1px solid var(--line); line-height: 20px; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 14px; margin-left: 18px; }
.nav a:hover { color: var(--blue); }
.nav .cta { background: var(--blue); color: #fff; padding: 8px 14px; border-radius: 8px; }
.nav .cta:hover { background: var(--blue-dark); color: #fff; }
@media (max-width: 560px) { .nav a:not(.cta) { display: none; } .brand small { display: none; } }

.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 32px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* hero */
.hero { padding: 48px 0 24px; }
.eyebrow { color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; letter-spacing: -0.02em; margin: 8px 0 12px; font-weight: 800; }
.lede { color: var(--muted); font-size: 18px; max-width: 720px; margin: 0; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 40px 0 12px; }
h3 { font-size: 17px; margin: 0 0 8px; }

/* form */
.check-form { margin-top: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.check-row { display: flex; gap: 10px; }
.check-row input[type=url], .check-row input[type=text] {
  flex: 1; min-width: 0; font: inherit; font-size: 16px; padding: 14px 16px;
  border: 1px solid #cfd6df; border-radius: 10px; background: #fff; color: var(--ink);
}
.check-row input:focus { outline: 3px solid rgba(0,149,255,.25); border-color: var(--blue); }
.btn {
  font: inherit; font-weight: 700; font-size: 16px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--blue); color: #fff; padding: 14px 22px; white-space: nowrap;
}
.btn:hover { background: var(--blue-dark); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); padding: 8px 14px; font-size: 14px; }
.btn.secondary:hover { border-color: var(--blue); color: var(--blue-dark); }
.form-opts { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 12px; font-size: 14px; color: var(--muted); }
.seg { display: inline-grid; grid-template-columns: repeat(4, auto); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.seg label + label { border-left: 1px solid var(--line); }
@media (max-width: 700px) {
  .seg { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .seg label { text-align: center; }
  .seg label:nth-child(3) { border-left: 0; }
  .seg label:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.seg label { padding: 6px 12px; cursor: pointer; font-weight: 600; color: var(--ink); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg input:checked + span { color: var(--blue-dark); }
.seg label:has(input:checked) { background: var(--blue-tint); }
.seg input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
@media (max-width: 560px) { .check-row { flex-direction: column; } }

/* status / errors */
.notice { margin-top: 20px; padding: 14px 16px; border-radius: 10px; font-weight: 600; }
.notice.error { background: var(--bad-bg); color: var(--bad); }
.notice.warn { background: var(--warn-bg); color: #6b3a00; border: 1px solid #f5d6a8; font-weight: 500; margin: 0 0 16px; }
.notice.warn strong { display: block; margin-bottom: 4px; }
.notice.warn button { font: inherit; font-weight: 700; color: var(--blue-dark); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.loading { margin-top: 24px; display: flex; align-items: center; gap: 12px; color: var(--muted); font-weight: 600; }
.spinner { width: 20px; height: 20px; border: 3px solid var(--line); border-top-color: var(--blue); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* results */
.results { margin-top: 32px; }
.verdict { border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); }
.verdict.good { background: var(--good-bg); border-color: #bfe6d3; }
.verdict.warn { background: var(--warn-bg); border-color: #f5d6a8; }
.verdict.bad { background: var(--bad-bg); border-color: #f3c3bf; }
.verdict-head { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 4px; }
.verdict p { margin: 0; color: #333; }
.meter { position: relative; height: 18px; background: rgba(255,255,255,.8); border: 1px solid rgba(0,0,0,.08); border-radius: 9px; margin: 22px 0 8px; overflow: hidden; }
.meter-seen { position: absolute; inset: 0 auto 0 0; background: var(--blue); }
.meter-unseen { position: absolute; inset: 0 0 0 auto; background: repeating-linear-gradient(45deg, #e9a09a, #e9a09a 6px, #f1bcb7 6px, #f1bcb7 12px); }
.meter-cut { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--ink); }
.meter-legend { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); font-weight: 600; gap: 8px; flex-wrap: wrap; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; min-width: 0; }
.stat .k { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.stat .v { font-weight: 700; font-size: 17px; overflow-wrap: anywhere; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; }
.card .sub { color: var(--muted); font-size: 14px; margin: -4px 0 12px; }

table.el { width: 100%; border-collapse: collapse; font-size: 14px; }
table.el td { padding: 8px 4px; border-top: 1px solid var(--line); vertical-align: top; }
table.el td:last-child { text-align: right; color: var(--muted); white-space: nowrap; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.seen { background: var(--good-bg); color: var(--good); }
.badge.partial { background: var(--warn-bg); color: var(--warn); }
.badge.after_cutoff { background: var(--bad-bg); color: var(--bad); }
.badge.missing { background: #eef0f3; color: var(--muted); }

.bar-row { margin-bottom: 10px; font-size: 14px; }
.bar-row .lbl { display: flex; justify-content: space-between; gap: 8px; }
.bar-row .lbl span:last-child { color: var(--muted); white-space: nowrap; }
.bar { height: 8px; background: #eef0f3; border-radius: 4px; overflow: hidden; margin-top: 4px; }
.bar > div { height: 100%; background: var(--blue); }

.res-list { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.res-list li { padding: 6px 0; border-top: 1px solid var(--line); overflow-wrap: anywhere; }

/* tabs */
.tabs { margin-top: 28px; }
.tablist { display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tablist button {
  font: inherit; font-weight: 700; font-size: 15px; background: none; border: 0; cursor: pointer;
  padding: 12px 16px; color: var(--muted); border-bottom: 3px solid transparent; white-space: nowrap;
}
.tablist button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--blue); }
.tabpanel { padding: 18px 0; }
.tabpanel[hidden] { display: none; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 12px; font-size: 14px; color: var(--muted); }
.toolbar .actions { display: flex; gap: 8px; }

.shot-frame { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; justify-content: center; }
.shot-frame img { display: block; max-width: 100%; height: auto; border: 1px solid var(--line); background: #fff; box-shadow: 0 6px 24px rgba(0,0,0,.08); }
.shot-frame.mobile img { width: 412px; }

textarea.raw {
  width: 100%; height: 560px; font-family: var(--mono); font-size: 12.5px; line-height: 1.5;
  border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: #0f1520; color: #e6edf3;
  resize: vertical; white-space: pre; overflow-wrap: normal; overflow: auto;
}
.cut-view { font-family: var(--mono); font-size: 12.5px; line-height: 1.5; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.cut-view pre { margin: 0; padding: 12px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; overflow: auto; }
.cut-view .before { background: #0f1520; color: #e6edf3; }
.cut-view .after { background: #f4f5f7; color: #9aa1ab; }
.cut-line { background: var(--bad); color: #fff; font-family: Montserrat, sans-serif; font-weight: 700; font-size: 13px; padding: 6px 12px; }

/* content */
.prose { max-width: 760px; }
.prose p, .prose li { color: #333; }
.prose blockquote { margin: 16px 0; padding: 12px 16px; border-left: 4px solid var(--blue); background: var(--blue-tint); border-radius: 0 8px 8px 0; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details summary { font-weight: 700; cursor: pointer; }
details p { margin: 8px 0 0; color: #333; }

.tool-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 28px; }
.tool-card { display: block; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; transition: border-color .15s, box-shadow .15s; }
.tool-card:hover { border-color: var(--blue); box-shadow: 0 6px 20px rgba(0,149,255,.12); }
.tool-card p { color: var(--muted); margin: 0; font-size: 15px; }
.tool-card.soon { opacity: .6; pointer-events: none; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--blue-dark); background: var(--blue-tint); padding: 2px 8px; border-radius: 999px; margin-bottom: 10px; }
.cta-band { margin-top: 56px; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.cta-band p { margin: 4px 0 0; color: #c9ced6; }
.cta-band h2 { margin: 0; color: #fff; font-size: 22px; }