/* ============================================================
   Sikaflow — Documentation styling.
   Shared across all pages under frontend/docs/.
   Brand: accent #E05A00, dark #16181d, Sora (headings) + DM Sans (body).
   Self-contained doc layout: top strip, sticky header, left doc-nav,
   content area. Responsive. Bilingual via /shared/i18n.js span-toggle.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap");

:root {
  --accent: #E05A00;
  --accent-2: #F59E0B;
  --accent-600: #c44f00;
  --dark: #16181d;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e6e8ec;
  --bg: #ffffff;
  --bg-soft: #faf7f3;
  --card: #ffffff;

  --green: #1f9d55;
  --green-bg: #e7f6ee;
  --red: #d64545;
  --red-bg: #fdeaea;
  --amber: #b7791f;
  --amber-bg: #fdf3e0;
  --blue: #2b6cb0;
  --blue-bg: #e8f0fa;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 24px rgba(16,24,40,.06);
  --nav-w: 268px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: "Sora", system-ui, sans-serif;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  background: #f3f0ec;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: .86em;
  color: #9a3d00;
}
.wrap { max-width: 1220px; margin: 0 auto; padding: 0 20px; }

/* ---------- Top strip ---------- */
.topstrip { background: var(--dark); color: #fff; font-size: .82rem; }
.topstrip .wrap { display: flex; gap: 22px; align-items: center; justify-content: center; flex-wrap: wrap; padding: 8px 20px; }
.topstrip .item { display: inline-flex; align-items: center; gap: 6px; opacity: .92; }
.topstrip .ico { color: var(--accent-2); }

/* ---------- Header ---------- */
.site-head { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 16px; padding: 12px 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: "Sora", sans-serif; font-weight: 800; font-size: 1.2rem; color: var(--dark); }
.logo:hover { text-decoration: none; }
.logo .brand-mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 800; }
.logo .docs-tag { font-family: "DM Sans", sans-serif; font-weight: 700; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px solid #f2c9a8; background: #fff2e6; border-radius: 6px; padding: 2px 7px; margin-left: 2px; }
.head-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 10px; font-weight: 700; cursor: pointer; padding: 9px 16px; font-size: .9rem; font-family: inherit; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-600); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* Language switcher (FR/EN/PT/ES buttons) */
.lang-pick { display: inline-flex; align-items: center; gap: 2px; border: 1px solid var(--line); border-radius: 9px; padding: 3px; }
.lang-pick .lang-btn { border: 0; background: transparent; font: inherit; font-weight: 700; font-size: .78rem; cursor: pointer; padding: 4px 8px; border-radius: 6px; color: var(--muted); }
.lang-pick .lang-btn:hover { color: var(--accent); }
.lang-pick .lang-btn.active { background: var(--accent); color: #fff; }

.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 8px 10px; cursor: pointer; font-size: 1rem; }

/* ---------- Layout: doc-nav + content ---------- */
.doc-layout { display: grid; grid-template-columns: var(--nav-w) 1fr; gap: 0; max-width: 1220px; margin: 0 auto; }

.doc-nav {
  border-right: 1px solid var(--line);
  padding: 30px 22px 60px;
  position: sticky;
  top: 61px;
  align-self: start;
  height: calc(100vh - 61px);
  overflow-y: auto;
}
.doc-nav h4 { font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: #9ca3af; margin: 22px 0 8px; }
.doc-nav h4:first-child { margin-top: 0; }
.doc-nav a { display: block; color: #3b414d; font-weight: 600; font-size: .92rem; padding: 7px 12px; border-radius: 8px; margin: 1px 0; }
.doc-nav a:hover { background: var(--bg-soft); color: var(--accent); text-decoration: none; }
.doc-nav a.active { background: #fff2e6; color: var(--accent); }
.doc-nav .sub { display: block; }
.doc-nav .sub a { font-size: .86rem; font-weight: 500; color: #6b7280; padding: 5px 12px 5px 22px; }

.doc-content { padding: 34px clamp(20px, 4vw, 56px) 80px; min-width: 0; max-width: 900px; }

/* ---------- Content typography ---------- */
.doc-content h1 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); margin: 0 0 10px; }
.doc-content h2 { font-size: 1.42rem; margin: 44px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.doc-content h3 { font-size: 1.12rem; margin: 28px 0 8px; scroll-margin-top: 80px; }
.doc-content p { margin: 0 0 14px; }
.doc-content ul, .doc-content ol { margin: 0 0 16px; padding-left: 22px; }
.doc-content li { margin: 6px 0; }
.doc-content .lead { font-size: 1.12rem; color: #4b5563; line-height: 1.6; margin: 0 0 22px; }
.doc-content strong { color: var(--dark); }

.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .76rem; margin: 0 0 6px; }

.breadcrumb { font-size: .82rem; color: var(--muted); margin: 0 0 18px; }
.breadcrumb a { color: var(--muted); font-weight: 600; }
.breadcrumb a:hover { color: var(--accent); }

/* Steps (ordered numbered cards) */
ol.steps { list-style: none; counter-reset: step; padding: 0; margin: 0 0 20px; }
ol.steps > li { counter-increment: step; position: relative; padding: 4px 0 16px 46px; margin: 0; }
ol.steps > li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-family: "Sora", sans-serif; font-weight: 700; font-size: .9rem;
}
ol.steps > li:not(:last-child)::after {
  content: ""; position: absolute; left: 14.5px; top: 34px; bottom: 4px; width: 1px; background: var(--line);
}
ol.steps > li strong { display: block; margin-bottom: 2px; }

/* Callouts */
.callout { border: 1px solid var(--line); border-left: 4px solid var(--accent); background: var(--bg-soft); border-radius: 10px; padding: 14px 16px; margin: 18px 0; font-size: .95rem; }
.callout .c-title { font-weight: 700; color: var(--dark); display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.callout p:last-child { margin-bottom: 0; }
.callout.tip { border-left-color: var(--green); background: var(--green-bg); }
.callout.warn { border-left-color: var(--amber); background: var(--amber-bg); }
.callout.danger { border-left-color: var(--red); background: var(--red-bg); }
.callout.info { border-left-color: var(--blue); background: var(--blue-bg); }

/* Cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 18px 0 24px; }
.card-grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
a.card { color: inherit; display: block; transition: transform .15s, box-shadow .15s, border-color .15s; }
a.card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(224,90,0,.10); border-color: #f2c9a8; text-decoration: none; }
.card .role { font-size: .68rem; font-weight: 700; letter-spacing: .05em; color: #9ca3af; margin-bottom: 10px; }
.card .card-ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: #fff2e6; font-size: 1.4rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .93rem; margin: 0 0 4px; }
.card .arrow { color: var(--accent); font-weight: 700; font-size: .9rem; margin-top: 10px; display: inline-block; }

/* Tables */
.tbl-scroll { overflow-x: auto; margin: 16px 0 24px; }
table.doc { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 480px; }
table.doc th, table.doc td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.doc thead th { background: var(--bg-soft); font-family: "Sora", sans-serif; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: #4b5563; }
table.doc tbody tr:hover { background: #fcfbf9; }

/* Pills / badges */
.pill { display: inline-block; font-size: .76rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: #4b5563; }
.pill.green { background: var(--green-bg); color: var(--green); border-color: transparent; }
.pill.amber { background: var(--amber-bg); color: var(--amber); border-color: transparent; }
.pill.red { background: var(--red-bg); color: var(--red); border-color: transparent; }
.pill.blue { background: var(--blue-bg); color: var(--blue); border-color: transparent; }
.pill.accent { background: #fff2e6; color: var(--accent); border-color: transparent; }

/* Stage flow (pipeline) */
.flow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 0 22px; }
.flow .stage { background: #fff2e6; color: var(--accent); border: 1px solid #f2c9a8; border-radius: 8px; padding: 6px 11px; font-size: .82rem; font-weight: 600; }
.flow .sep { color: #cbd0d8; font-weight: 700; }

/* Page footer nav */
.page-foot { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--line); }
.page-foot a { display: inline-flex; flex-direction: column; gap: 2px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; font-weight: 700; color: var(--dark); min-width: 180px; }
.page-foot a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.page-foot a span.dir { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.page-foot a.next { text-align: right; margin-left: auto; }

/* Marketing footer */
.mfoot { background: #0f1115; color: #cbd0d8; font-size: .88rem; }
.mfoot .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 26px 20px; }
.mfoot a { color: #cbd0d8; } .mfoot a:hover { color: var(--accent-2); }
.mfoot .flinks { display: flex; gap: 18px; flex-wrap: wrap; }

/* Backdrop for mobile nav */
.nav-backdrop { display: none; position: fixed; inset: 61px 0 0 0; background: rgba(0,0,0,.4); z-index: 29; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .doc-nav {
    position: fixed; top: 61px; left: 0; bottom: 0; width: 280px; height: auto;
    background: #fff; z-index: 30; transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: 0 8px 40px rgba(0,0,0,.18);
  }
  body.nav-open .doc-nav { transform: translateX(0); }
  body.nav-open .nav-backdrop { display: block; }
  .doc-content { padding: 26px 20px 60px; max-width: 100%; }
}
@media (max-width: 560px) {
  .topstrip .wrap { gap: 12px; font-size: .74rem; }
  .head-nav { display: none; }
  .lang-pick .lang-btn { padding: 4px 6px; }
}