:root {
  --ink: #0e1116;
  --ink-2: #3b4250;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #fafaf7;
  --card: #ffffff;
  --accent: #e8590c;
  --accent-ink: #ffffff;
  --red: #c92a2a;
  --red-bg: #fff1f0;
  --green: #2b8a3e;
  --green-bg: #effaf1;
  --amber: #b25e09;
  --amber-bg: #fff8eb;
  --radius: 10px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --sans: "Inter Tight", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.55 var(--sans); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
code, pre, .mono { font-family: var(--mono); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; }
.logo-mark { width: 26px; height: 26px; border-radius: 7px; display: block; }
.nav-links { display: flex; gap: 20px; align-items: center; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--ink); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; font: 600 14px var(--sans); cursor: pointer; text-decoration: none; transition: transform .05s, opacity .15s; }
.btn:hover { opacity: .9; }
.btn:active { transform: translateY(1px); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink-2); }
.btn.sm { padding: 6px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: default; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--ink-2); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 56px 0 72px; }
.eyebrow { display: inline-block; font: 600 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.04; letter-spacing: -0.035em; margin: 0 0 18px; font-weight: 800; }
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 18px; color: var(--ink-2); max-width: 34em; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.fine { font-size: 13px; color: var(--muted); }

/* diff card */
.diffcard { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 1px 0 rgba(0,0,0,.02), 0 20px 40px -24px rgba(14,17,22,.25); overflow: hidden; }
.diffcard-head { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 13px; }
.diffcard-head b { font-weight: 600; }
.diffcard-body { padding: 14px 16px; display: grid; gap: 12px; }
.chg { border-left: 3px solid var(--red); padding: 4px 0 4px 12px; }
.chg.warning { border-color: var(--amber); }
.chg.info { border-color: #9ca3af; }
.chg-label { font: 600 13px var(--sans); display: flex; gap: 8px; align-items: center; }
.sev { font: 600 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; background: var(--red-bg); color: var(--red); }
.sev.warning { background: var(--amber-bg); color: var(--amber); }
.sev.info { background: #f3f4f6; color: var(--ink-2); }
.ba { font: 12.5px/1.6 var(--mono); margin-top: 4px; word-break: break-all; }
.ba .b { color: var(--red); text-decoration: line-through; text-decoration-color: rgba(201,42,42,.4); }
.ba .a { color: var(--green); font-weight: 600; }
.ba .k { color: var(--muted); display: inline-block; width: 52px; }

/* sections */
section { padding: 56px 0; border-top: 1px solid var(--line); }
h2 { font-size: 30px; letter-spacing: -0.025em; margin: 0 0 10px; }
.sub { color: var(--ink-2); margin: 0 0 32px; max-width: 40em; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.feat h3 { font-size: 15px; margin: 8px 0 6px; }
.feat p { margin: 0; color: var(--ink-2); font-size: 14px; }
.feat .tag { font: 600 12px var(--mono); color: var(--accent); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.plan.featured { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.plan h3 { margin: 0; font-size: 16px; }
.price { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; }
.price small { font-size: 14px; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14px; color: var(--ink-2); flex: 1; }
.plan li::before { content: "✓ "; color: var(--green); font-weight: 700; }
.compare { font-size: 13px; color: var(--muted); margin-top: 16px; }

footer { padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* forms */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
input[type=email], input[type=text], textarea, select { width: 100%; font: 14px var(--sans); padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; min-height: 84px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.auth { max-width: 400px; margin: 64px auto; }
.notice { padding: 10px 12px; border-radius: 8px; font-size: 14px; background: var(--green-bg); color: var(--green); }
.notice.err { background: var(--red-bg); color: var(--red); }
.notice.warn { background: var(--amber-bg); color: var(--amber); }

/* dashboard */
.app-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin: 24px 0 16px; }
.app-head h1 { font-size: 26px; margin: 0; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 13px; color: var(--ink-2); }
.stat b { color: var(--ink); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.tab { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 5px 12px; font-size: 13px; cursor: pointer; }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.layout { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }
table.urls { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 13.5px; }
table.urls th { text-align: left; font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--line); background: #fcfcfb; }
table.urls td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.urls tr:last-child td { border-bottom: 0; }
table.urls tr.target { background: #fff8eb; }
table.urls tr.muted td { opacity: .55; }
.u { font-weight: 600; word-break: break-all; }
.meta { color: var(--muted); font-size: 12px; margin-top: 2px; word-break: break-all; }
.pill { display: inline-block; font: 600 11px var(--mono); padding: 1px 6px; border-radius: 4px; background: #f3f4f6; color: var(--ink-2); margin: 2px 4px 0 0; }
.pill.bad { background: var(--red-bg); color: var(--red); }
.pill.ok { background: var(--green-bg); color: var(--green); }
.pill.warn { background: var(--amber-bg); color: var(--amber); }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: nowrap; }
.side { display: grid; gap: 16px; }
.events { display: grid; gap: 10px; max-height: 70vh; overflow: auto; }
.ev { border-left: 3px solid var(--red); padding: 2px 0 2px 10px; font-size: 13px; }
.ev.warning { border-color: var(--amber); }
.ev.info { border-color: #9ca3af; }
.ev .when { color: var(--muted); font-size: 12px; }
.ev pre { margin: 4px 0 0; font-size: 11.5px; white-space: pre-wrap; color: var(--ink-2); }
.empty { padding: 36px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--line); border-radius: 12px; }
.modal { position: fixed; inset: 0; background: rgba(14,17,22,.4); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal .card { width: min(720px, 100%); max-height: 90vh; overflow: auto; }
.hidden { display: none !important; }

@media (max-width: 900px) {
  .hero, .layout { grid-template-columns: 1fr; }
  .grid3, .plans { grid-template-columns: 1fr; }
  .nav-links .hide-sm { display: none; }
  table.urls .hide-sm { display: none; }
}
.nav-links a.btn { color: #fff; }

/* Cookie consent banner */
#cs-consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 50; max-width: 560px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 30px rgba(14,17,22,.15); padding: 14px 16px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
#cs-consent p { margin: 0; flex: 1 1 260px; font-size: 13.5px; color: var(--ink-2); }
#cs-consent .cs-actions { display: flex; gap: 8px; margin-left: auto; }

/* Articles */
.article { max-width: 720px; margin: 40px auto 24px; font-size: 17px; line-height: 1.7; }
.article h1 { font-size: clamp(30px, 4.4vw, 44px); margin: 8px 0 12px; }
.article h2 { font-size: 24px; margin: 40px 0 8px; }
.article h3 { font-size: 18px; margin: 28px 0 6px; }
.article p, .article li { color: var(--ink-2); }
.article li { margin: 6px 0; }
.article pre { background: var(--ink); color: #e6e6e6; padding: 14px 16px; border-radius: 10px; overflow-x: auto; font-size: 13.5px; line-height: 1.55; }
.article code { font-size: .9em; background: rgba(14,17,22,.06); padding: 1px 5px; border-radius: 4px; }
.article pre code { background: none; padding: 0; }
.article .meta { color: var(--muted); font-size: 14px; }
.article .callout { border-left: 4px solid var(--accent); background: var(--card); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 24px 0; }
.article .cta { margin: 36px 0 8px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.post-list { list-style: none; padding: 0; }
.post-list li { padding: 18px 0; border-top: 1px solid var(--line); }
.post-list a { font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
.post-list p { margin: 4px 0 0; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; display: block; overflow-x: auto; }
.article th, .article td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article th { font: 600 11px var(--mono); text-transform: uppercase; color: var(--muted); }
.modal .card .card { width: auto; max-height: none; overflow: visible; }
table.detail { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.detail th { text-align: left; vertical-align: top; width: 34%; padding: 8px 10px 8px 0; color: var(--ink-2); font-weight: 600; border-top: 1px solid var(--line); }
table.detail td { padding: 8px 0; border-top: 1px solid var(--line); }
table.detail pre { margin: 0; font: 12.5px/1.5 var(--mono); white-space: pre-wrap; word-break: break-word; max-height: 260px; overflow: auto; }