/* ============================================================
   PS5 Scene Guide — Design system
   Dark, PlayStation-inspired. No external dependencies.
   ============================================================ */

:root {
  --bg: #07090d;
  --bg-2: #0b0e14;
  --panel: #10141d;
  --panel-2: #151a25;
  --border: #1f2635;
  --border-2: #2b3446;
  --text: #e9edf5;
  --muted: #97a0b3;
  --muted-2: #6b7488;
  --accent: #2e6db4;
  --accent-bright: #3d8bff;
  --accent-soft: rgba(61, 139, 255, 0.12);
  --ok: #3fb950;
  --ok-soft: rgba(63, 185, 80, 0.12);
  --warn: #d2a215;
  --warn-soft: rgba(210, 162, 21, 0.12);
  --danger: #f0554f;
  --danger-soft: rgba(240, 85, 79, 0.12);
  --purple: #a371f7;
  --purple-soft: rgba(163, 113, 247, 0.12);
  --radius: 14px;
  --radius-sm: 9px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(46, 109, 180, 0.16), transparent 60%),
    radial-gradient(900px 420px at 0% 0%, rgba(163, 113, 247, 0.07), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Language visibility (driven by <html data-lang>) ---------- */
html[data-lang="fr"] [lang-sec="en"] { display: none !important; }
html[data-lang="en"] [lang-sec="fr"] { display: none !important; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.page { padding: 40px 0 80px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 9, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.2px;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 16px rgba(61, 139, 255, 0.35);
}

.brand small {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted-2);
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }

.main-nav a {
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.main-nav a.active { color: #fff; background: var(--accent-soft); }

/* Language switch */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  overflow: hidden;
  flex: 0 0 auto;
  margin-left: 8px;
}
.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 7px 13px;
  cursor: pointer;
}
.lang-switch button.on {
  background: linear-gradient(135deg, var(--accent), #245a9c);
  color: #fff;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  appearance: none;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border-2);
  border-radius: 9px;
  font-size: 18px;
  width: 40px;
  height: 38px;
  cursor: pointer;
}

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 11px 12px; font-size: 15px; }
  .lang-switch { position: absolute; top: 12px; right: 66px; }
  .header-inner { position: relative; }
}

/* ---------- Hero ---------- */
.hero { padding: 64px 0 28px; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-soft);
  border: 1px solid rgba(61, 139, 255, 0.25);
  padding: 6px 13px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: -0.5px;
  margin: 0 0 18px;
  max-width: 21ch;
}
.hero h1 .grad {
  background: linear-gradient(92deg, var(--accent-bright) 10%, var(--purple) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 26px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 11px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  color: #fff;
  box-shadow: 0 8px 24px rgba(61, 139, 255, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn-ghost:hover { background: var(--panel-2); }

/* ---------- Sections ---------- */
.section { padding: 44px 0; }
.section + .section { border-top: 1px solid var(--border); }

.section-head { margin-bottom: 26px; }
.section-head h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  margin: 0 0 8px;
  letter-spacing: -0.3px;
}
.section-head p { color: var(--muted); margin: 0; max-width: 70ch; }

/* ---------- Cards grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
  position: relative;
  overflow: hidden;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
a.card { display: block; color: inherit; }
a.card:hover { text-decoration: none; }

.card .card-icon {
  font-size: 26px;
  line-height: 1;
  margin-bottom: 12px;
  display: inline-block;
}
.card h3 { margin: 0 0 8px; font-size: 17.5px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

.card .card-meta {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card-num {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 13px;
  font-weight: 800;
  color: var(--muted-2);
}

/* ---------- Badges & chips ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  vertical-align: middle;
}
.badge.ok     { color: var(--ok);     background: var(--ok-soft);     border-color: rgba(63,185,80,.3); }
.badge.warn   { color: var(--warn);   background: var(--warn-soft);   border-color: rgba(210,162,21,.3); }
.badge.danger { color: var(--danger); background: var(--danger-soft); border-color: rgba(240,85,79,.3); }
.badge.info   { color: var(--accent-bright); background: var(--accent-soft); border-color: rgba(61,139,255,.3); }
.badge.purple { color: var(--purple); background: var(--purple-soft); border-color: rgba(163,113,247,.3); }
.badge.muted  { color: var(--muted);  background: rgba(151,160,179,.1); border-color: var(--border-2); }

.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-bright);
  background: var(--accent-soft);
  border: 1px solid rgba(61, 139, 255, 0.25);
  border-radius: 7px;
  padding: 3px 8px;
}

/* ---------- Status list (what works) ---------- */
.status-list { display: grid; gap: 10px; }
.status-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
}
.status-row .ico { font-size: 19px; flex: 0 0 auto; }
.status-row .lbl { font-weight: 650; font-size: 15px; }
.status-row .sub { color: var(--muted-2); font-size: 13px; margin-left: auto; text-align: right; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }

table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 560px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th {
  background: var(--panel-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  white-space: nowrap;
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(61, 139, 255, 0.04); }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 14px; margin: 22px 0; }

.step {
  counter-increment: step;
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 18px 64px;
}
.step::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 14.5px;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 14px rgba(61, 139, 255, 0.3);
}
.step h4 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0 0 8px; color: var(--muted); font-size: 14.5px; }
.step p:last-child { margin-bottom: 0; }

/* ---------- Callouts ---------- */
.callout {
  display: flex;
  gap: 13px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  padding: 14px 16px;
  margin: 18px 0;
  font-size: 14.5px;
}
.callout .ico { font-size: 18px; line-height: 1.4; flex: 0 0 auto; }
.callout p { margin: 0; }
.callout p + p { margin-top: 6px; }

.callout.warn   { background: var(--warn-soft);   border-color: rgba(210,162,21,.35); }
.callout.danger { background: var(--danger-soft); border-color: rgba(240,85,79,.35); }
.callout.info   { background: var(--accent-soft); border-color: rgba(61,139,255,.3); }
.callout.ok     { background: var(--ok-soft);     border-color: rgba(63,185,80,.3); }

/* ---------- Code / kbd ---------- */
pre.code {
  position: relative;
  background: #0a0d13;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #c8d4e8;
  margin: 12px 0;
}
pre.code .c { color: var(--muted-2); }

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: rgba(61, 139, 255, 0.1);
  border: 1px solid rgba(61, 139, 255, 0.18);
  padding: 1.5px 6px;
  border-radius: 6px;
  color: #bcd6ff;
}
pre.code code { background: none; border: 0; padding: 0; color: inherit; }

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  appearance: none;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-radius: 7px;
  padding: 4px 10px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}
pre.code:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: #fff; border-color: var(--accent); }

kbd {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 2px 7px;
}

/* ---------- Paths / file tree ---------- */
.path {
  font-family: var(--mono);
  font-size: 13.5px;
  color: #ffd479;
  background: rgba(210, 162, 21, 0.08);
  border: 1px solid rgba(210, 162, 21, 0.22);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  overflow-x: auto;
  white-space: pre;
  margin: 12px 0;
}

/* ---------- Tutorial page header ---------- */
.tuto-head { padding: 48px 0 8px; }
.tuto-head .kicker { margin-bottom: 14px; }
.tuto-head h1 {
  font-size: clamp(28px, 4.4vw, 42px);
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.4px;
}
.tuto-head .lede { color: var(--muted); font-size: 17px; max-width: 68ch; margin: 0 0 16px; }
.tuto-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }

/* ---------- TOC ---------- */
.toc {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 26px 0;
}
.toc strong { display: block; font-size: 12.5px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted-2); margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 40px; }
.toc li { margin: 4px 0; font-size: 14.5px; break-inside: avoid; }
@media (max-width: 680px) { .toc ol { columns: 1; } }

/* ---------- Prose ---------- */
.prose h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin: 46px 0 14px;
  padding-top: 10px;
  letter-spacing: -0.3px;
}
.prose h2::before {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-bright), var(--purple));
  margin-bottom: 12px;
}
.prose h3 { font-size: 19px; margin: 30px 0 10px; }
.prose p { color: #c3cad8; }
.prose ul, .prose ol { color: #c3cad8; padding-left: 24px; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--text); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 44px 0 36px;
  margin-top: 40px;
  font-size: 14px;
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.site-footer h4 {
  color: var(--text);
  font-size: 13px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 7px 0; }
.footer-note {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted-2);
}

/* ---------- Misc ---------- */
.tag-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.divider { border: 0; border-top: 1px solid var(--border); margin: 34px 0; }

.src-list { font-size: 14px; }
.src-list li { margin: 8px 0; }

.back-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 650; font-size: 14px; margin-top: 30px; }

.emoji { font-style: normal; }

@media print {
  .site-header, .lang-switch, .nav-toggle, .copy-btn { display: none !important; }
  body { background: #fff; color: #000; }
}