/* =========================================================
   فلوكة — عرض المشروع · الستايل المشترك
   المكونات المتاحة (استخدمها بنفس الأسماء في كل الصفحات):
   .wrap · .page-hero (.eyebrow, h1, .lead, .chips) · .toc
   .section (.sec-head > .num + h2 + p) · h3.sub
   .grid.g2/.g3/.g4 · .card (.card.soft / .card.navy / .card.line)
   .stat (.v + .l) · .count[data-to]
   .tbl-wrap > table.tbl · .tag (.t-rule .t-show .t-err .t-assume .t-src .t-new .t-gray)
   .flow > .step (.n, .t, .who, p) · .flow.v (عمودي)
   .tl > .tl-item (.when, .what) · .callout (.info .warn .danger .ok)
   .kv (dl) · .pill · .chips · .mock-browser · .mock-phone
   .approve[data-approve="key"] (أزرار الموافقة تتبني من app.js)
   .code (مقتطفات كود/شجرة ملفات) · .legend · .muted · .small
   ========================================================= */

:root {
  --navy: #0D4D6B;
  --navy-2: #0A3B53;
  --navy-3: #072C3E;
  --sea: #2A8C9E;
  --sea-soft: #E4F2F4;
  --brass: #B8893B;
  --brass-soft: #F6EEDF;
  --coral: #D9534F;
  --coral-soft: #FBE9E8;
  --green: #2E8B57;
  --green-soft: #E5F4EC;
  --amber: #C98A12;
  --amber-soft: #FBF2DE;
  --violet: #6B5BB5;
  --violet-soft: #EEEBFA;

  --bg: #F7F8F5;
  --bg-2: #EEF1EC;
  --surface: #FFFFFF;
  --surface-2: #FAFBF9;
  --ink: #12222B;
  --ink-2: #3D525C;
  --ink-3: #6B7F88;
  --line: #DDE4E2;
  --line-2: #E9EEEC;
  --shadow: 0 1px 2px rgba(13, 77, 107, .06), 0 8px 24px rgba(13, 77, 107, .07);
  --shadow-lg: 0 2px 6px rgba(13, 77, 107, .08), 0 22px 48px rgba(13, 77, 107, .12);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 64px;
  --font: "Tajawal", "IBM Plex Sans Arabic", system-ui, "Segoe UI", sans-serif;
  --font-display: "Marcellus", "Tajawal", serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1820; --bg-2: #0F1F28; --surface: #12232D; --surface-2: #0F1E27;
    --ink: #E7EEF1; --ink-2: #B6C6CD; --ink-3: #87A0AA; --line: #22394A; --line-2: #1B3040;
    --sea-soft: #12313A; --brass-soft: #2C2516; --coral-soft: #351D1C; --green-soft: #12301F;
    --amber-soft: #2E2510; --violet-soft: #221E3A;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.35), 0 22px 48px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0B1820; --bg-2: #0F1F28; --surface: #12232D; --surface-2: #0F1E27;
  --ink: #E7EEF1; --ink-2: #B6C6CD; --ink-3: #87A0AA; --line: #22394A; --line-2: #1B3040;
  --sea-soft: #12313A; --brass-soft: #2C2516; --coral-soft: #351D1C; --green-soft: #12301F;
  --amber-soft: #2E2510; --violet-soft: #221E3A;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.35), 0 22px 48px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16.5px; line-height: 1.85;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--sea); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 .5em; color: var(--ink); }
p { margin: 0 0 1em; }
.muted { color: var(--ink-3); }
.small { font-size: .88em; }
.latin { font-family: var(--font-display); letter-spacing: .02em; }
.wrap { width: min(1220px, 100% - 32px); margin-inline: auto; }

/* ---------- top nav ---------- */
.topnav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: color-mix(in srgb, var(--navy-3) 94%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topnav .wrap { height: 100%; display: flex; align-items: center; gap: 14px; }
.topnav .brand { display: flex; align-items: center; gap: 10px; color: #fff; flex-shrink: 0; text-decoration: none; }
.topnav .brand img { width: 38px; height: 38px; }
.topnav .brand b { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .14em; font-weight: 400; }
.topnav .links {
  display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0;
  mask-image: linear-gradient(to left, #000 92%, transparent);
}
.topnav .links::-webkit-scrollbar { display: none; }
.topnav .links a {
  white-space: nowrap; color: rgba(255,255,255,.72); font-size: .86rem; padding: 7px 10px;
  border-radius: 999px; text-decoration: none; transition: background .2s, color .2s;
}
.topnav .links a span { font-family: var(--font-display); opacity: .65; margin-inline-end: 5px; }
.topnav .links a:hover { background: rgba(255,255,255,.08); color: #fff; }
.topnav .links a.on { background: #fff; color: var(--navy); font-weight: 700; }
.topnav .links a.on span { opacity: 1; }
.theme-btn {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  background: transparent; color: #fff; cursor: pointer; font-size: 1rem;
}
.progress { position: absolute; inset-inline: 0; bottom: -1px; height: 2px; background: transparent; }
.progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brass), #fff); }

/* ---------- hero ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1200px 400px at 85% -10%, rgba(42,140,158,.45), transparent 60%),
    radial-gradient(700px 300px at 10% 110%, rgba(184,137,59,.25), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  padding: 64px 0 56px;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .09;
  background-image: repeating-linear-gradient(-12deg, #fff 0 1px, transparent 1px 22px);
}
.page-hero .wrap { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; letter-spacing: .08em;
  color: #CFE6EA; border: 1px solid rgba(255,255,255,.22); padding: 4px 12px; border-radius: 999px; margin-bottom: 18px;
}
.eyebrow .latin { letter-spacing: .18em; }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 4.2vw, 3.1rem); font-weight: 800; margin-bottom: 14px; }
.page-hero .lead { font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: #D8E8EC; max-width: 860px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chips .pill { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.2); }
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px;
  font-size: .84rem; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
}

/* ---------- in-page toc ---------- */
.toc {
  margin-top: -26px; position: relative; z-index: 2; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 6px;
}
.toc b { width: 100%; font-size: .82rem; color: var(--ink-3); font-weight: 600; }
.toc a { font-size: .86rem; padding: 4px 11px; border-radius: 999px; background: var(--bg-2); color: var(--ink-2); text-decoration: none; }
.toc a:hover { background: var(--sea-soft); color: var(--navy); }

/* ---------- sections ---------- */
.section { padding: 56px 0 8px; }
.sec-head { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; align-items: start; margin-bottom: 24px; }
.sec-head .num {
  grid-row: span 2; font-family: var(--font-display); font-size: 2.6rem; line-height: 1; color: var(--brass);
  min-width: 56px; text-align: center; padding-top: 4px;
}
.sec-head h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 0; font-weight: 800; }
.sec-head p { margin: 0; color: var(--ink-2); max-width: 900px; }
h3.sub { font-size: 1.15rem; margin: 30px 0 12px; display: flex; align-items: center; gap: 10px; }
h3.sub::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--sea); transform: rotate(45deg); }

/* ---------- grid & cards ---------- */
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 20px 16px; box-shadow: var(--shadow); min-width: 0;
}
.card h4 { font-size: 1.05rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card ul, .card ol { margin: 0 0 10px; padding-inline-start: 20px; }
.card li { margin-bottom: 4px; }
.card.soft { background: var(--surface-2); box-shadow: none; }
.card.line { box-shadow: none; border-style: dashed; }
.card.navy { background: linear-gradient(160deg, var(--navy), var(--navy-3)); color: #E3EEF1; border: 0; }
.card.navy h4, .card.navy b { color: #fff; }
.card .ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 1.25rem;
  background: var(--sea-soft); color: var(--navy); margin-bottom: 12px;
}
.card.navy .ico { background: rgba(255,255,255,.12); color: #fff; }

/* ---------- stats ---------- */
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.stat .v { font-family: var(--font-display); font-size: 2.3rem; line-height: 1.1; color: var(--navy); }
:root[data-theme="dark"] .stat .v { color: #9FD3DD; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .stat .v { color: #9FD3DD; } }
.stat .l { color: var(--ink-2); font-size: .92rem; }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); margin: 8px 0 18px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 560px; }
.tbl th {
  background: var(--navy); color: #fff; font-weight: 700; text-align: start; padding: 11px 14px; white-space: nowrap;
  position: sticky; top: 0;
}
.tbl td { padding: 10px 14px; border-top: 1px solid var(--line-2); vertical-align: top; }
.tbl tr:nth-child(even) td { background: var(--surface-2); }
.tbl td code, .tbl td .mono { font-family: var(--mono); font-size: .84em; direction: ltr; unicode-bidi: isolate; }
.tbl.compact td, .tbl.compact th { padding: 7px 12px; }

/* ---------- tags ---------- */
.tag { display: inline-block; font-size: .76rem; font-weight: 700; padding: 2px 9px; border-radius: 6px; white-space: nowrap; vertical-align: middle; }
.t-rule { background: var(--green-soft); color: var(--green); }
.t-show { background: var(--amber-soft); color: var(--amber); }
.t-err { background: var(--coral-soft); color: var(--coral); }
.t-assume { background: var(--violet-soft); color: var(--violet); }
.t-src { background: var(--sea-soft); color: var(--navy); font-family: var(--font-display); letter-spacing: .04em; }
:root[data-theme="dark"] .t-src { color: #9FD3DD; }
.t-new { background: var(--brass-soft); color: var(--brass); }
.t-gray { background: var(--bg-2); color: var(--ink-3); }

/* ---------- flow ---------- */
.flow { display: flex; flex-wrap: wrap; gap: 12px; counter-reset: st; margin: 10px 0 18px; }
.flow .step {
  flex: 1 1 200px; position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 16px 12px; box-shadow: var(--shadow); min-width: 0;
}
.flow .step .n {
  position: absolute; top: -12px; inset-inline-start: 14px; background: var(--navy); color: #fff;
  font-family: var(--font-display); font-size: .85rem; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
}
.flow .step .t { font-weight: 800; display: block; margin: 6px 0 2px; }
.flow .step .who { font-size: .8rem; color: var(--sea); display: block; margin-bottom: 6px; }
.flow .step p { font-size: .9rem; color: var(--ink-2); margin: 0; }
.flow .step.hl { border-color: var(--brass); background: var(--brass-soft); }
.flow .step.bad { border-color: var(--coral); background: var(--coral-soft); }
.flow .step.ok { border-color: var(--green); background: var(--green-soft); }
.flow.v { flex-direction: column; }
.flow.v .step { flex: none; }

/* ---------- timeline ---------- */
.tl { position: relative; padding-inline-start: 26px; }
.tl::before { content: ""; position: absolute; inset-inline-start: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; margin-bottom: 18px; }
.tl-item::before {
  content: ""; position: absolute; inset-inline-start: -25px; top: 8px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--sea);
}
.tl-item .when { font-size: .82rem; color: var(--sea); font-weight: 700; }
.tl-item .what { font-weight: 700; }

/* ---------- callouts ---------- */
.callout { border-radius: var(--radius-sm); padding: 14px 16px; margin: 12px 0 18px; border: 1px solid; border-inline-start-width: 5px; }
.callout b:first-child { display: block; margin-bottom: 2px; }
.callout.info { background: var(--sea-soft); border-color: var(--sea); }
.callout.warn { background: var(--amber-soft); border-color: var(--amber); }
.callout.danger { background: var(--coral-soft); border-color: var(--coral); }
.callout.ok { background: var(--green-soft); border-color: var(--green); }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

/* ---------- kv ---------- */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.kv dt { color: var(--ink-3); font-size: .9rem; }
.kv dd { margin: 0; font-weight: 600; }

/* ---------- code ---------- */
.code {
  direction: ltr; text-align: left; background: #0A1E28; color: #CFE3EA; border-radius: var(--radius-sm);
  padding: 16px 18px; font-family: var(--mono); font-size: .84rem; line-height: 1.7; overflow-x: auto; white-space: pre; margin: 8px 0 18px;
}
.code .c { color: #6E8C98; } .code .k { color: #E2B86B; } .code .s { color: #8FD3A8; }

/* ---------- mocks ---------- */
.mock-browser { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow-lg); }
.mock-browser .bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.mock-browser .bar i { width: 10px; height: 10px; border-radius: 50%; background: #E0645C; }
.mock-browser .bar i:nth-child(2) { background: #E8B04B; } .mock-browser .bar i:nth-child(3) { background: #5DBB63; }
.mock-browser .bar span { margin-inline-start: 10px; font-size: .78rem; color: var(--ink-3); direction: ltr; }
.mock-phone {
  width: 300px; max-width: 100%; margin-inline: auto; border: 10px solid #0A1A22; border-radius: 34px; overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-lg); aspect-ratio: 9 / 18.5; position: relative;
}

/* ---------- approve ---------- */
.approve {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px 14px; margin: 10px 0 20px;
  border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--surface-2);
}
.approve .lbl { font-weight: 700; flex: 1 1 220px; }
.approve button {
  font: inherit; font-size: .9rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink-2); cursor: pointer; transition: all .2s;
}
.approve button:hover { border-color: var(--sea); }
.approve button.yes.on { background: var(--green); border-color: var(--green); color: #fff; }
.approve button.no.on { background: var(--amber); border-color: var(--amber); color: #fff; }
.approve textarea {
  width: 100%; display: none; font: inherit; font-size: .92rem; padding: 10px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); min-height: 70px;
}
.approve.need textarea { display: block; }
.approve.done { border-style: solid; border-color: var(--green); background: var(--green-soft); }
.approve.need { border-style: solid; border-color: var(--amber); background: var(--amber-soft); }

/* ---------- legend ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: .88rem; color: var(--ink-2); margin: 6px 0 14px; }

/* ---------- pager & footer ---------- */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 56px 0 24px; }
.pager a {
  display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  text-decoration: none; color: var(--ink); box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.pager a:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.pager a small { display: block; color: var(--ink-3); }
.pager a.next { text-align: end; }
.site-foot { border-top: 1px solid var(--line); padding: 22px 0 34px; color: var(--ink-3); font-size: .86rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

/* ---------- reveal animations ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 680px) {
  body { font-size: 15.5px; }
  .page-hero { padding: 44px 0 46px; }
  .topnav .brand b { display: none; }
  .sec-head { grid-template-columns: 1fr; }
  .sec-head .num { grid-row: auto; text-align: start; font-size: 2rem; }
  .pager { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
}
@media print {
  .topnav, .pager, .theme-btn, .approve button { display: none !important; }
  .rv { opacity: 1; transform: none; }
  body { background: #fff; }
}