:root {
  --bg: #101114;
  --panel: #191b20;
  --raised: #22252c;
  --line: #343840;
  --text: #f5f6f8;
  --muted: #b1b6c0;
  --red: #ed1c24;
  --focus: #ff6b70;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--focus); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* Header */
.top {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #16171b, var(--bg));
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--text); }
.brand img { height: 34px; width: auto; display: block; }
.brand span { font-weight: 700; letter-spacing: 0; }
.lang { border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; color: var(--text); text-decoration: none; font-size: 15px; }
.lang:hover { border-color: var(--red); }

/* Hero */
.hero { padding-block: 56px 32px; }
.eyebrow { color: var(--red); font-weight: 700; font-size: 14px; margin: 0 0 10px; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.25; margin: 0 0 16px; }
.hero p { color: var(--muted); max-width: 720px; margin: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip { background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: 14px; color: var(--muted); }

/* Layout */
.layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; padding-block: 24px 64px; }
main { min-width: 0; }
.toc { position: sticky; top: 20px; align-self: start; }
.toc h2 { font-size: 14px; color: var(--muted); margin: 0 0 10px; font-weight: 600; }
.toc ol { list-style: none; margin: 0; padding: 0; border-inline-start: 2px solid var(--line); }
.toc a { display: block; padding: 6px 14px; color: var(--muted); text-decoration: none; font-size: 15px; line-height: 1.5; }
.toc a:hover { color: var(--text); border-inline-start: 2px solid var(--red); margin-inline-start: -2px; }

section { padding-block: 8px 28px; border-bottom: 1px solid var(--line); margin-bottom: 28px; scroll-margin-top: 16px; }
section:last-child { border-bottom: 0; }
h2 { font-size: 26px; line-height: 1.4; margin: 0 0 14px; display: flex; align-items: center; gap: 12px; }
h2 .n { color: var(--red); font-size: 15px; font-weight: 700; border: 1px solid var(--red); border-radius: 6px; padding: 0 8px; line-height: 1.7; }
h3 { font-size: 19px; margin: 22px 0 8px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }

ul, ol.steps { padding-inline-start: 22px; margin: 0 0 12px; }
li { margin-bottom: 6px; }
ol.steps li::marker { color: var(--red); font-weight: 700; }

.note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--red);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 14px 0;
}
.note strong { color: var(--text); }

.path { background: var(--raised); border: 1px solid var(--line); border-radius: 6px; padding: 1px 8px; font-size: 0.92em; white-space: nowrap; }
code, bdi.code { font-family: Consolas, "SFMono-Regular", monospace; background: var(--raised); border: 1px solid var(--line); border-radius: 5px; padding: 0 6px; font-size: 0.9em; direction: ltr; unicode-bidi: isolate; }

/* Tables */
.table { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin: 14px 0; }
table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 15.5px; line-height: 1.65; }
th, td { text-align: start; padding: 12px 14px; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: var(--raised); color: var(--muted); font-weight: 600; font-size: 14px; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; white-space: nowrap; }

/* Checklist */
.check { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 8px; }
.check li { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px 10px 14px; margin: 0; display: flex; gap: 10px; }
.check li::before { content: ""; flex: 0 0 16px; height: 16px; margin-top: 6px; border: 2px solid var(--red); border-radius: 4px; }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 14px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.7; }

.contact { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.contact a { font-size: 18px; font-weight: 600; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-block: 22px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; gap: 8px; }
  .toc { position: static; margin-bottom: 18px; }
  .cards { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  .hero { padding-block: 36px 20px; }
  h2 { font-size: 22px; }
}

@media (max-width: 640px) {
  .table { border: 0; overflow: visible; }
  table { min-width: 0; }
  thead { display: none; }
  tr { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; padding: 12px 14px; }
  td { display: block; border: 0; padding: 0; white-space: normal; }
  td:first-child { white-space: normal; margin-bottom: 4px; color: var(--text); }
  td + td { margin-top: 4px; }
  td:nth-child(3) { color: var(--muted); }
}