/* =========================================================
   SISR Memo — Feuille de style
   Thème clair / sombre via [data-theme] sur <html>
   ========================================================= */

/* ---------- VARIABLES ---------- */
:root {
  --sidebar-w: 290px;
  --radius: 12px;
  --radius-sm: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, "Courier New", monospace;
  --transition: .18s ease;
}

html[data-theme="dark"] {
  --bg:        #0d1117;
  --bg-2:      #161b22;
  --bg-3:      #1c2230;
  --surface:   #161b22;
  --surface-2: #1f2733;
  --border:    #2a3140;
  --text:      #e6edf3;
  --text-dim:  #9aa7b4;
  --text-faint:#6e7c8a;
  --primary:   #4f9dff;
  --primary-2: #2f6fd6;
  --accent:    #7c5cff;
  --green:     #3fb950;
  --red:       #f85149;
  --orange:    #e3a008;
  --code-bg:   #0b0f16;
  --shadow:    0 8px 30px rgba(0,0,0,.45);
  --kbd-bg:    #232b38;
}

html[data-theme="light"] {
  --bg:        #f4f6fb;
  --bg-2:      #ffffff;
  --bg-3:      #eef1f7;
  --surface:   #ffffff;
  --surface-2: #f7f9fc;
  --border:    #e1e6ef;
  --text:      #1b2330;
  --text-dim:  #586273;
  --text-faint:#8a94a6;
  --primary:   #2563eb;
  --primary-2: #1d4ed8;
  --accent:    #6d40e0;
  --green:     #18794e;
  --red:       #d12d2d;
  --orange:    #b86e00;
  --code-bg:   #0d1117;
  --shadow:    0 8px 30px rgba(20,30,60,.12);
  --kbd-bg:    #eceff5;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--primary); color: #fff; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* =========================================================
   SIDEBAR
   ========================================================= */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 60;
  transition: transform var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.brand-logo { font-size: 26px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 17px; letter-spacing: .2px; }
.brand-text small { color: var(--text-dim); font-size: 11.5px; }
.sidebar-close { display: none; margin-left: auto; background: none; border: none; color: var(--text-dim); font-size: 18px; cursor: pointer; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 10px; }

.nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-faint);
  padding: 14px 12px 6px;
  font-weight: 700;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  transition: background var(--transition), color var(--transition);
  border: 1px solid transparent;
}
.nav-link:hover { background: var(--bg-3); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--bg-3); color: var(--text); border-color: var(--border); font-weight: 600; }
.nav-link.active .nav-ico { filter: none; }
.nav-ico { font-size: 16px; width: 20px; text-align: center; }
.nav-count { margin-left: auto; font-size: 11px; color: var(--text-faint); background: var(--bg-3); padding: 1px 7px; border-radius: 20px; }

.sidebar-footer { padding: 14px 18px; border-top: 1px solid var(--border); font-size: 13px; }
.sidebar-footer a { color: var(--text-dim); }

.sidebar-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 55; display: none;
}
.sidebar-overlay.show { display: block; }

/* =========================================================
   MAIN / TOPBAR
   ========================================================= */
.main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 14px;
  padding: 12px 26px;
  background: color-mix(in srgb, var(--bg-2) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.menu-toggle { display: none; }

.icon-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 17px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.icon-btn:hover { background: var(--bg-3); }
.icon-btn:active { transform: scale(.94); }

.search-wrap { position: relative; flex: 1; max-width: 640px; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); opacity: .6; font-size: 15px; pointer-events: none; }
#search {
  width: 100%;
  padding: 11px 44px 11px 40px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
}
#search:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent); }
.search-kbd { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); }

kbd {
  font-family: var(--mono);
  background: var(--kbd-bg);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--text-dim);
}

.topbar-actions { display: flex; gap: 8px; margin-left: auto; }

/* SEARCH RESULTS */
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: 70vh; overflow-y: auto;
  display: none; z-index: 50;
  padding: 6px;
}
.search-results.show { display: block; }
.sr-item { padding: 10px 12px; border-radius: var(--radius-sm); cursor: pointer; display: block; }
.sr-item:hover, .sr-item.active { background: var(--bg-3); }
.sr-item .sr-cat { font-size: 11px; color: var(--primary); text-transform: uppercase; letter-spacing: .5px; }
.sr-item .sr-title { font-weight: 600; font-size: 14.5px; }
.sr-item .sr-snippet { font-size: 12.5px; color: var(--text-dim); }
.sr-empty { padding: 18px; text-align: center; color: var(--text-dim); }

/* =========================================================
   CONTENT
   ========================================================= */
.content { flex: 1; padding: 30px 40px 60px; max-width: 1080px; width: 100%; margin: 0 auto; }

.breadcrumb { font-size: 13px; color: var(--text-dim); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-dim); }

.page-title { font-size: 30px; margin: 0 0 6px; letter-spacing: -.5px; }
.page-lead { color: var(--text-dim); font-size: 16px; margin: 0 0 24px; }

/* ---------- HERO (accueil) ---------- */
.hero {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 22%, var(--surface)), var(--surface));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 38px 34px;
  margin-bottom: 30px;
}
.hero h1 { font-size: 34px; margin: 0 0 10px; }
.hero p { color: var(--text-dim); font-size: 16px; max-width: 680px; margin: 0; }
.hero-stats { display: flex; gap: 28px; margin-top: 24px; flex-wrap: wrap; }
.hero-stat strong { font-size: 26px; display: block; color: var(--primary); }
.hero-stat span { font-size: 13px; color: var(--text-dim); }

/* ---------- CARTES CATÉGORIES ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; gap: 8px;
}
.cat-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow); text-decoration: none; }
.cat-card .cc-ico { font-size: 28px; }
.cat-card .cc-title { font-size: 17px; font-weight: 700; color: var(--text); }
.cat-card .cc-desc { font-size: 13px; color: var(--text-dim); }
.cat-card .cc-count { font-size: 12px; color: var(--primary); margin-top: auto; font-weight: 600; }

/* ---------- LISTE D'ARTICLES (catégorie) ---------- */
.article-list { display: flex; flex-direction: column; gap: 12px; }
.article-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  display: flex; align-items: flex-start; gap: 14px;
  transition: border-color var(--transition), background var(--transition);
}
.article-item:hover { border-color: var(--primary); text-decoration: none; background: var(--surface-2); }
.article-item .ai-num { color: var(--text-faint); font-family: var(--mono); font-size: 13px; padding-top: 2px; min-width: 28px; }
.article-item .ai-body { flex: 1; }
.article-item .ai-title { font-weight: 600; font-size: 16px; color: var(--text); }
.article-item .ai-intro { font-size: 13.5px; color: var(--text-dim); margin-top: 2px; }
.article-item .ai-tags { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 11px; background: var(--bg-3); color: var(--text-dim); padding: 2px 9px; border-radius: 20px; }
.type-badge { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; padding: 2px 8px; border-radius: 5px; }
.type-procedure { background: color-mix(in srgb, var(--primary) 20%, transparent); color: var(--primary); }
.type-depannage { background: color-mix(in srgb, var(--red) 18%, transparent); color: var(--red); }
.type-fiche     { background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent); }

/* Filtres de type */
.filter-bar { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.filter-chip {
  background: var(--surface); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 14px; border-radius: 20px; cursor: pointer; font-size: 13px; transition: var(--transition);
}
.filter-chip:hover { color: var(--text); }
.filter-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* =========================================================
   ARTICLE (vue détaillée)
   ========================================================= */
.article-header { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 8px; }
.article-header .page-title { margin-bottom: 0; }
.fav-toggle {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-dim);
  border-radius: var(--radius-sm); padding: 8px 14px; cursor: pointer; font-size: 14px; white-space: nowrap;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 6px;
}
.fav-toggle:hover { color: var(--text); }
.fav-toggle.is-fav { color: var(--orange); border-color: var(--orange); }

.article-body { margin-top: 18px; }
.article-body h2 { font-size: 21px; margin: 32px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.article-body h3 { font-size: 17px; margin: 24px 0 10px; }
.article-body p { margin: 10px 0; }
.article-body ul, .article-body ol { margin: 10px 0; padding-left: 24px; }
.article-body li { margin: 5px 0; }

/* inline code */
.article-body code, .ai-intro code, .answer code {
  background: var(--bg-3);
  font-family: var(--mono);
  font-size: .9em;
  padding: 1.5px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  color: var(--text);
}

/* bloc commande */
.codeblock { position: relative; margin: 14px 0; }
.codeblock-label { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-faint); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.codeblock pre {
  background: var(--code-bg);
  color: #e6edf3;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.55;
  border: 1px solid var(--border);
}
.codeblock pre code { background: none; border: none; padding: 0; color: inherit; }
.copy-btn {
  position: absolute; top: 26px; right: 10px;
  background: rgba(255,255,255,.08); color: #cfd8e3;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px; padding: 4px 10px; font-size: 11.5px; cursor: pointer;
  opacity: 0; transition: opacity var(--transition);
}
.codeblock:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255,255,255,.16); }
.copy-btn.copied { color: var(--green); }
.cmd-comment { color: #6a8; }

/* encadrés */
.callout { border-radius: var(--radius-sm); padding: 12px 16px; margin: 16px 0; border-left: 4px solid; font-size: 14px; }
.callout p { margin: 0; }
.callout strong { display: inline; }
.callout.tip  { background: color-mix(in srgb, var(--green) 12%, transparent); border-color: var(--green); }
.callout.warn { background: color-mix(in srgb, var(--orange) 14%, transparent); border-color: var(--orange); }
.callout.note { background: color-mix(in srgb, var(--primary) 12%, transparent); border-color: var(--primary); }
.callout.danger { background: color-mix(in srgb, var(--red) 12%, transparent); border-color: var(--red); }

/* étapes */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 16px 0; }
.steps > li {
  position: relative; padding: 4px 0 18px 46px; margin: 0;
  border-left: 2px solid var(--border); margin-left: 16px;
}
.steps > li:last-child { border-left-color: transparent; }
.steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -16px; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.steps .step-title { font-weight: 600; font-size: 15.5px; }
.steps .step-desc { color: var(--text-dim); font-size: 14px; margin: 3px 0 0; }

/* tableaux */
.table-wrap { overflow-x: auto; margin: 16px 0; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; }
table.data th { background: var(--surface-2); font-weight: 700; }
table.data tr:nth-child(even) td { background: var(--surface-2); }

/* dépannage */
.trouble { border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 12px 0; overflow: hidden; }
.trouble-head { background: color-mix(in srgb, var(--red) 12%, var(--surface)); padding: 11px 15px; font-weight: 600; display: flex; gap: 8px; align-items: center; }
.trouble-body { padding: 12px 15px; font-size: 14px; }
.trouble-body .tb-row { margin: 6px 0; }
.trouble-body .tb-label { font-weight: 700; color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }

/* sommaire (index auto) */
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin: 18px 0 26px; }
.toc-title { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-faint); margin-bottom: 8px; font-weight: 700; }
.toc ul { margin: 0; padding-left: 18px; }
.toc a { color: var(--text-dim); font-size: 14px; }
.toc a:hover { color: var(--primary); }

/* navigation article suivant/précédent */
.article-nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 40px; flex-wrap: wrap; }
.article-nav a { flex: 1; min-width: 200px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; }
.article-nav a:hover { border-color: var(--primary); text-decoration: none; }
.article-nav .an-dir { font-size: 12px; color: var(--text-dim); }
.article-nav .an-title { font-weight: 600; color: var(--text); }
.article-nav .next { text-align: right; }

/* =========================================================
   QUESTIONS D'ORAL
   ========================================================= */
.qa-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; align-items: center; }
.qa-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; overflow: hidden; }
.qa-q { padding: 14px 18px; cursor: pointer; display: flex; gap: 12px; align-items: flex-start; font-weight: 600; }
.qa-q:hover { background: var(--surface-2); }
.qa-q .qa-chevron { margin-left: auto; transition: transform var(--transition); color: var(--text-dim); }
.qa-item.open .qa-chevron { transform: rotate(90deg); }
.qa-cat-pill { font-size: 10.5px; text-transform: uppercase; letter-spacing: .4px; background: var(--bg-3); color: var(--primary); padding: 2px 8px; border-radius: 20px; font-weight: 700; white-space: nowrap; }
.qa-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.qa-item.open .qa-a { max-height: 1400px; }
.qa-a-inner { padding: 0 18px 16px 18px; color: var(--text); border-top: 1px solid var(--border); padding-top: 14px; }
.answer code { font-size: .88em; }

/* =========================================================
   QUIZ
   ========================================================= */
.quiz-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 30px; max-width: 720px; margin: 0 auto; }
.quiz-progress { height: 7px; background: var(--bg-3); border-radius: 10px; overflow: hidden; margin-bottom: 22px; }
.quiz-progress span { display: block; height: 100%; background: var(--primary); transition: width .3s ease; }
.quiz-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.quiz-question { font-size: 20px; font-weight: 700; margin: 6px 0 22px; }
.quiz-options { display: flex; flex-direction: column; gap: 12px; }
.quiz-opt {
  text-align: left; background: var(--surface-2); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 18px; cursor: pointer; font-size: 15px; color: var(--text);
  transition: var(--transition);
}
.quiz-opt:hover { border-color: var(--primary); }
.quiz-opt.correct { border-color: var(--green); background: color-mix(in srgb, var(--green) 15%, transparent); }
.quiz-opt.wrong { border-color: var(--red); background: color-mix(in srgb, var(--red) 15%, transparent); }
.quiz-opt:disabled { cursor: default; }
.quiz-explain { margin-top: 18px; padding: 14px 16px; border-radius: var(--radius-sm); background: var(--bg-3); font-size: 14px; display: none; }
.quiz-explain.show { display: block; }
.quiz-actions { margin-top: 24px; display: flex; justify-content: flex-end; gap: 10px; }
.btn {
  background: var(--primary); color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 11px 22px; font-size: 15px; cursor: pointer; font-weight: 600; transition: var(--transition);
}
.btn:hover { background: var(--primary-2); }
.btn.ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--bg-3); }
.quiz-result { text-align: center; }
.quiz-score { font-size: 56px; font-weight: 800; color: var(--primary); }
.quiz-config { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0; }

/* =========================================================
   MODALE
   ========================================================= */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal.show { display: flex; }
.modal-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px; max-width: 460px; width: 100%; position: relative; box-shadow: var(--shadow); }
.modal-box h2 { margin-top: 0; }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; color: var(--text-dim); font-size: 18px; cursor: pointer; }
.shortcut-table { width: 100%; border-collapse: collapse; }
.shortcut-table td { padding: 8px 6px; border-bottom: 1px solid var(--border); font-size: 14px; }
.shortcut-table td:first-child { width: 130px; }

/* =========================================================
   DIVERS
   ========================================================= */
.empty-state { text-align: center; padding: 70px 20px; color: var(--text-dim); }
.empty-state .es-ico { font-size: 50px; }

.page-footer { padding: 26px 40px; border-top: 1px solid var(--border); color: var(--text-faint); font-size: 12.5px; max-width: 1080px; margin: 0 auto; width: 100%; }
.page-footer .disclaimer { color: var(--orange); }

.section-intro { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 22px; color: var(--text-dim); font-size: 14.5px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .sidebar-close { display: block; }
  .main { margin-left: 0; }
  .menu-toggle { display: inline-flex; }
  .content { padding: 22px 18px 50px; }
  .topbar { padding: 10px 14px; }
  .search-kbd { display: none; }
  .topbar-actions .icon-btn { width: 38px; height: 38px; }
  .hero h1 { font-size: 26px; }
  .page-footer { padding: 22px 18px; }
}
@media (max-width: 560px) {
  .topbar-actions #helpBtn, .topbar-actions #printBtn { display: none; }
}

/* =========================================================
   IMPRESSION / EXPORT PDF
   ========================================================= */
@media print {
  .sidebar, .topbar, .sidebar-overlay, .article-nav, .fav-toggle, .page-footer, .copy-btn, .toc { display: none !important; }
  .main { margin-left: 0; }
  .content { max-width: 100%; padding: 0; }
  body { background: #fff; color: #000; }
  .article-body pre { background: #f4f4f4 !important; color: #000 !important; border: 1px solid #ccc; white-space: pre-wrap; word-break: break-word; }
  .callout, .trouble, table.data th, .article-item { border-color: #ccc !important; }
  .qa-a { max-height: none !important; }
  .qa-item .qa-a { max-height: none !important; }
  a { color: #000; text-decoration: none; }
  h1, h2, h3 { page-break-after: avoid; }
  .codeblock, .steps > li, .trouble { page-break-inside: avoid; }
}
