/* ================================================================
   style.css — jeandecode.fr / cours Spring Boot 4
   Police : pile système uniquement, aucune Google Font chargée
   ================================================================ */

:root {
  /* palette */
  --bg:          #ffffff;
  --surface:     #f7f8fa;
  --surface-2:   #eef0f4;
  --ink:         #15181d;
  --ink-2:       #3d4450;
  --ink-3:       #6b7280;
  --line:        #e4e7ec;
  --line-2:      #d3d8e0;
  --accent:      #2e7d32;
  --accent-lit:  #6db33f;
  --accent-soft: #edf6ea;
  --indigo:      #4f46e5;
  --indigo-soft: #eef0fe;
  --amber:       #a35c07;
  --amber-soft:  #fdf3e3;
  --rose:        #b91c1c;
  --rose-soft:   #fff1f1;
  /* code */
  --code-bg:     #12161d;
  --code-bar:    #0c0f14;
  --code-ink:    #dfe4ec;
  --code-dim:    #6d7686;
  --code-hl:     rgba(109,179,63,.13);
  /* layout */
  --sb:          288px;
  --r:           10px;
  /* POLICE UNIQUE — pile système, zéro dépendance externe */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
          Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo,
          Consolas, "Courier New", monospace;
}

/* ─── reset & base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Application EXPLICITE de --font sur TOUS les éléments texte */
body, h1, h2, h3, h4, p, ul, ol, li, table, th, td,
button, input, select, textarea, label, span, a,
.pager a, .pager span, .nav-list a, .nav-list span,
.callout, .callout p, .callout li,
.bridge-b, .schema-desc {
  font-family: var(--font);
}
/* Éléments code conservent --mono */
code, pre, .pane, .code-tab, .lang-b, .copy-btn,
.nav-label, .code-note, .eyebrow, .toc-h,
thead th, .tag { font-family: var(--mono); }

body {
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--accent-lit); outline-offset: 2px; border-radius: 4px; }

/* ─── layout principal ─── */
.layout { display: flex; min-height: 100vh; }

/* topbar mobile */
.topbar {
  display: none;
  position: sticky; top: 0; z-index: 60;
  align-items: center; gap: .7rem;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding: .6rem .9rem;
}
.burger {
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: 8px; padding: .35rem .55rem;
  font-size: 1.05rem; color: var(--ink); cursor: pointer; line-height: 1;
  font-family: var(--font);
}
.topbar .tt { font-weight: 650; font-size: .92rem; }

/* scrim */
.scrim { display: none; position: fixed; inset: 0; background: rgba(10,12,16,.38); z-index: 45; }
.scrim.on { display: block; }

/* sidebar */
.sidebar {
  width: var(--sb); flex: 0 0 var(--sb);
  background: var(--surface);
  border-right: 1px solid var(--line);
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
  padding: 1.4rem 1rem 3rem;
  z-index: 50;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 0 .5rem; margin-bottom: .1rem;
  text-decoration: none; color: var(--ink);
}
.logo {
  width: 28px; height: 28px; border-radius: 7px; flex: 0 0 auto;
  background: linear-gradient(140deg, var(--accent-lit), var(--accent));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: .82rem;
}
.brand b { font-size: .92rem; font-weight: 680; letter-spacing: -.015em; line-height: 1.25; }
.brand-sub {
  display: block; padding: 0 .5rem; margin: .2rem 0 1.5rem;
  color: var(--ink-3); font-size: .76rem;
}
.brand-sub a { color: inherit; }

/* nav */
.nav-group { margin-bottom: 1.3rem; }
.nav-label {
  display: flex; align-items: center; gap: .4rem;
  padding: 0 .5rem; margin-bottom: .35rem;
  font-size: .65rem; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3);
}
.nav-label i { font-style: normal; color: var(--accent); font-weight: 700; }
.nav-pt { padding: 0 .5rem; margin: 0 0 .45rem; font-weight: 660; font-size: .84rem; color: var(--ink-2); }
.nav-list { list-style: none; padding: 0 0 0 .3rem; border-left: 1px solid var(--line-2); }
.nav-list a, .nav-list .soon {
  display: flex; align-items: center; justify-content: space-between; gap: .4rem;
  padding: .33rem .6rem; margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: .84rem; line-height: 1.35;
  border-radius: 0 6px 6px 0;
}
.nav-list a { color: var(--ink-2); text-decoration: none; }
.nav-list a:hover { background: var(--surface-2); color: var(--ink); }
.nav-list a.on {
  color: var(--accent); font-weight: 640;
  border-left-color: var(--accent-lit);
  background: var(--accent-soft);
}
.nav-list .soon { color: #9aa2af; cursor: default; font-size: .82rem; }
.tag {
  font-size: .58rem; color: #9aa2af;
  border: 1px solid var(--line-2); border-radius: 999px;
  padding: .02rem .38rem; white-space: nowrap; background: #fff;
}

/* ─── contenu ─── */
.main { flex: 1; min-width: 0; display: flex; justify-content: center; gap: 2rem; padding: 0 1.6rem; }
.doc { width: 100%; max-width: 50rem; padding: 3rem 0 7rem; min-width: 0; }

/* TOC droite */
.aside-toc {
  width: 196px; flex: 0 0 196px;
  position: sticky; top: 0; height: 100vh;
  padding: 3.5rem 0 3rem; overflow-y: auto;
}
.toc-h {
  font-size: .65rem; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: .5rem;
}
.aside-toc a {
  display: block; padding: .22rem 0 .22rem .7rem;
  border-left: 2px solid var(--line);
  color: var(--ink-3); text-decoration: none;
  font-size: .79rem; line-height: 1.4;
}
.aside-toc a:hover { color: var(--ink); }
.aside-toc a.on { color: var(--accent); border-left-color: var(--accent-lit); }
@media (max-width: 1180px) { .aside-toc { display: none; } }

/* ─── pages SPA ─── */
.page { display: none; }
.page.on { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; } }

/* ─── typographie ─── */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .7rem;
}
.eyebrow s { text-decoration: none; color: var(--line-2); }
h1 { font-size: 2.1rem; font-weight: 740; letter-spacing: -.033em; line-height: 1.15; margin: 0 0 1rem; }
h2 {
  font-size: 1.38rem; font-weight: 690; letter-spacing: -.02em;
  margin: 0 0 .85rem; padding-top: 2.8rem;
  border-top: 1px solid var(--line); scroll-margin-top: 4rem;
}
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 1.6rem; }
h3 { font-size: 1.03rem; font-weight: 660; letter-spacing: -.012em; margin: 1.8rem 0 .6rem; scroll-margin-top: 4rem; }
p { margin: 0 0 1rem; color: var(--ink-2); }
.lede { font-size: 1.07rem; line-height: 1.65; color: var(--ink-2); margin-bottom: 1.8rem; }
ul, ol { padding-left: 1.25rem; margin: 0 0 1.1rem; color: var(--ink-2); }
li { margin-bottom: .32rem; }
li::marker { color: var(--accent-lit); }
strong { color: var(--ink); font-weight: 650; }
p code, li code, td code, .callout code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 5px; padding: .05em .32em;
  color: #28502a; white-space: nowrap;
}

/* ─── blocs de code ─── */
.code {
  margin: 1.3rem 0 1.7rem;
  border-radius: var(--r); overflow: hidden;
  background: var(--code-bg);
  border: 1px solid #232a35;
  box-shadow: 0 1px 2px rgba(16,20,28,.06), 0 8px 24px -12px rgba(16,20,28,.18);
}
/* barre générée 100% par JS — jamais dans le HTML */
.code-bar {
  display: flex; align-items: stretch; justify-content: space-between;
  background: var(--code-bar); border-bottom: 1px solid #202634; min-height: 36px;
}
.code-tabs { display: flex; overflow-x: auto; scrollbar-width: none; }
.code-tabs::-webkit-scrollbar { display: none; }
.code-tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--code-dim);
  font-size: .73rem; padding: .5rem .9rem;
  cursor: pointer; white-space: nowrap; line-height: 1;
}
.code-tab:hover { color: #b8c0cd; }
.code-tab.on { color: #fff; border-bottom-color: var(--accent-lit); background: rgba(109,179,63,.07); }
.code-actions { display: flex; align-items: center; gap: .4rem; padding: 0 .55rem; flex: 0 0 auto; }
.lang-b { font-size: .65rem; letter-spacing: .05em; text-transform: uppercase; color: var(--code-dim); }
.copy-btn {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  color: #c3cbd8; border-radius: 6px;
  font-size: .68rem; padding: .24rem .55rem; cursor: pointer;
}
.copy-btn:hover { background: rgba(255,255,255,.13); color: #fff; }
.copy-btn.ok { color: var(--accent-lit); border-color: rgba(109,179,63,.5); }

/* panes */
.pane { display: none; margin: 0; overflow-x: auto; padding: .75rem 0 .55rem; font-size: .815rem; line-height: 1.75; color: var(--code-ink); }
.pane.on { display: block; }
.row { display: flex; padding: 0 1rem 0 0; min-width: max-content; }
.row.hl { background: var(--code-hl); box-shadow: inset 3px 0 0 var(--accent-lit); }
.ln { flex: 0 0 3.2rem; text-align: right; padding-right: 1rem; color: #454e5e; user-select: none; -webkit-user-select: none; }
.lc { white-space: pre; flex: 1; }

/* note sous le code */
.code-note {
  background: var(--code-bar); border-top: 1px solid #202634;
  padding: .5rem .9rem; color: #8b95a5;
  font-size: .755rem; line-height: 1.55;
}
.code-note b { color: var(--accent-lit); font-weight: 600; }

/* tokens syntaxe */
.t-com { color: #5f6b7d; font-style: italic; }
.t-str { color: #9ecf7a; }
.t-key { color: #7fb3f0; }
.t-ann { color: #e0b060; }
.t-num { color: #e8a366; }
.t-typ { color: #c5a3e8; }
.t-fun { color: #efd48a; }
.t-tag { color: #7fb3f0; }
.t-prp { color: #9fc7ee; }

/* ─── callouts ─── */
.callout {
  border: 1px solid var(--line); border-radius: var(--r);
  padding: .9rem 1.05rem; margin: 1.4rem 0;
  background: var(--surface);
}
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }
.c-h {
  display: flex; align-items: center; gap: .4rem;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  margin-bottom: .4rem;
}
.tip  { background: var(--accent-soft); border-color: #cfe4c8; } .tip .c-h  { color: var(--accent); }
.warn { background: var(--amber-soft);  border-color: #f0dcb8; } .warn .c-h { color: var(--amber);  }
.info { background: var(--indigo-soft); border-color: #c7c3f4; } .info .c-h { color: var(--indigo); }
.danger { background: var(--rose-soft); border-color: #fecdd3; } .danger .c-h { color: var(--rose); }
.recap .c-h { color: var(--ink-3); }

/* ─── bridge PHP ↔ Java ─── */
.bridge { margin: 1.5rem 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.bridge-h {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; background: var(--indigo-soft);
  border-bottom: 1px solid var(--line);
}
.bridge-h span { font-size: .69rem; letter-spacing: .05em; text-transform: uppercase; font-weight: 650; padding: .5rem .9rem; }
.bridge-h .f { color: var(--indigo); }
.bridge-h .t { color: var(--accent); text-align: right; }
.bridge-h .a { color: var(--ink-3); font-size: .85rem; padding: 0 .4rem; }
.bridge-b { display: grid; grid-template-columns: 1fr 1fr; }
.bridge-b > div { min-width: 0; padding: .1rem .8rem; }
.bridge-b > div:first-child { border-right: 1px dashed var(--line); }
.bridge-b .code { margin: .8rem 0; }

/* ─── schéma couches ─── */
.schema { display: flex; flex-direction: column; margin: 1.3rem 0 1.7rem; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.schema-row { display: grid; grid-template-columns: 150px 1fr; border-bottom: 1px solid var(--line); }
.schema-row:last-child { border-bottom: none; }
.schema-layer { display: flex; align-items: center; padding: .6rem .85rem; font-size: .75rem; font-weight: 650; }
.schema-layer.svc1 { background: #e8f4fd; color: #1565c0; }
.schema-layer.svc2 { background: var(--indigo-soft); color: var(--indigo); }
.schema-layer.svc3 { background: var(--accent-soft); color: var(--accent); }
.schema-layer.gw   { background: var(--amber-soft);  color: var(--amber);  }
.schema-layer.reg  { background: var(--surface-2);   color: var(--ink-3);  }
.schema-desc { padding: .6rem .85rem; font-size: .88rem; color: var(--ink-2); border-left: 1px solid var(--line); }
.flow-arrow { text-align: center; font-size: .8rem; color: var(--ink-3); padding: .18rem; background: var(--surface); }

/* ─── table ─── */
.tw { overflow-x: auto; margin: 1.3rem 0 1.7rem; }
table { width: 100%; border-collapse: collapse; font-size: .885rem; min-width: 30rem; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); }
thead th {
  font-size: .68rem; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-3); border-bottom: 2px solid var(--line-2); white-space: nowrap;
}
tbody tr:hover { background: var(--surface); }

/* ─── pager ─── */
.pager {
  display: flex; gap: .8rem;
  margin-top: 3.5rem; padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}
.pager a, .pager span.dis {
  flex: 1; min-width: 0;
  text-decoration: none;
  padding: .8rem 1rem;
  border: 1px solid var(--line); border-radius: var(--r);
  font-weight: 620; font-size: .91rem;
  background: #fff; color: var(--ink);
  display: block;
}
.pager a:hover { border-color: var(--accent-lit); background: var(--accent-soft); }
.pager span.dis { border-style: dashed; color: #9aa2af; font-weight: 500; background: var(--surface); }
.pager .d {
  display: block;
  font-family: var(--mono);
  font-size: .65rem; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: .12rem; font-weight: 400;
}
.pager .nx { text-align: right; }
/* lien inter-fichier : même style que lien interne */
.pager a[href*=".html"] { }

/* ─── responsive ─── */
@media (max-width: 900px) {
  .topbar { display: flex; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 0 0 40px rgba(0,0,0,.18);
  }
  .sidebar.on { transform: none; }
  .main { padding: 0 1rem; }
  .doc { padding: 1.8rem 0 5rem; }
  h1 { font-size: 1.75rem; }
  h2 { padding-top: 1.6rem; }
  .pager { flex-direction: column; }
  .schema-row { grid-template-columns: 95px 1fr; }
  .bridge-b { grid-template-columns: 1fr; }
  .bridge-b > div:first-child { border-right: none; border-bottom: 1px dashed var(--line); }
}

/* ── chemin complet du fichier sous la barre d'onglets ── */
.code-path {
  background: #0a0d12;
  border-bottom: 1px solid #1a2030;
  padding: .22rem .9rem;
  font-family: var(--mono);
  font-size: .68rem;
  color: #4a5568;
  letter-spacing: .02em;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.code-path:empty { display: none; }

/* ── checklist fin de chapitre ── */
.checklist {
  margin: 2rem 0 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.checklist-h {
  display: flex; align-items: center; gap: .5rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  padding: .65rem 1rem;
  font-weight: 660; font-size: .9rem;
}
.checklist-h .icon { font-size: 1rem; }
.checklist-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.checklist-cols > div { padding: .8rem 1rem; }
.checklist-cols > div:first-child { border-right: 1px solid var(--line); }
.checklist-cols h4 {
  font-size: .72rem; font-weight: 660; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 .55rem;
}
.checklist-cols ol { padding-left: 1.1rem; margin: 0; color: var(--ink-2); font-size: .88rem; }
.checklist-cols ul { padding-left: 0; list-style: none; margin: 0; }
.checklist-cols ul li {
  display: flex; align-items: flex-start; gap: .5rem;
  padding: .2rem 0; font-size: .84rem; color: var(--ink-2); margin: 0;
}
.checklist-cols ul li::before { content: "□"; color: var(--accent); flex: 0 0 auto; margin-top: .05rem; }
.checklist-cols ul li code { font-size: .8em; }
@media (max-width: 640px) {
  .checklist-cols { grid-template-columns: 1fr; }
  .checklist-cols > div:first-child { border-right: none; border-bottom: 1px solid var(--line); }
}

/* ── exercice avec solution repliable ── */
.exo {
  margin: 1.6rem 0;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
}
.exo-h {
  display: flex; align-items: center; gap: .5rem;
  background: var(--indigo-soft);
  border-bottom: 1px solid var(--line);
  padding: .6rem 1rem;
  font-weight: 660; font-size: .88rem; color: var(--indigo);
}
.exo-h .n {
  font-family: var(--mono); font-size: .68rem;
  background: var(--indigo); color: #fff;
  border-radius: 4px; padding: .1rem .4rem;
  flex: 0 0 auto;
}
.exo-body { padding: .9rem 1rem .3rem; }
.exo-body p:last-child { margin-bottom: .8rem; }
.exo details {
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.exo details summary {
  padding: .6rem 1rem;
  cursor: pointer;
  font-size: .85rem; font-weight: 620;
  color: var(--accent);
  list-style: none;
  user-select: none; -webkit-user-select: none;
}
.exo details summary::-webkit-details-marker { display: none; }
.exo details summary::before { content: "▸ "; font-size: .9em; }
.exo details[open] summary::before { content: "▾ "; }
.exo details summary:hover { background: var(--accent-soft); }
.exo details > div { padding: 0 1rem .3rem; border-top: 1px solid var(--line); }
.exo details .code { margin: .9rem 0; }

/* ── piège classique ── */
.piege {
  background: #fff7f7;
  border: 1px solid #f5c6c6;
  border-left: 3px solid var(--rose);
  border-radius: var(--r);
  padding: .85rem 1rem;
  margin: 1.4rem 0;
}
.piege .c-h { color: var(--rose); margin-bottom: .4rem; }
.piege p:last-child, .piege ul:last-child { margin-bottom: 0; }
.piege .code { margin: .8rem 0; }

/* ── définition inline (glossaire) ── */
.defs {
  margin: 1.4rem 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.defs-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--line);
}
.defs-row:last-child { border-bottom: none; }
.defs-t {
  padding: .6rem .85rem;
  background: var(--surface);
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  border-right: 1px solid var(--line);
}
.defs-d { padding: .6rem .85rem; font-size: .88rem; color: var(--ink-2); }
@media (max-width: 640px) {
  .defs-row { grid-template-columns: 1fr; }
  .defs-t { border-right: none; border-bottom: 1px solid var(--line); }
}