/* ---------- Polices hébergées localement ---------- */
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}

/* ---------- Thèmes ---------- */
:root{
  --bg:#E9EDF1; --surface:#FFFFFF; --ink:#1D2731; --muted:#5F6E7C; --line:#D3DAE1; --hover:#DFE5EB; --code:#F1F4F7;
  --hl-kw:#8B2FC9; --hl-str:#0E7A55; --hl-num:#B45309; --hl-com:#7A8794; --hl-fn:#2459C9; --hl-type:#B4235E; --hl-attr:#0F6C8C; --hl-del:#C0392B;
  --accent:#2F6FDE; --fs:15px;
  --ui:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Consolas, "Courier New", monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#151A20; --surface:#1D242C; --ink:#E3E8ED; --muted:#8C99A6; --line:#2D3742; --hover:#28323C; --code:#242D36;
    --hl-kw:#C792EA; --hl-str:#8FD694; --hl-num:#F5B76B; --hl-com:#7E8C99; --hl-fn:#82AAFF; --hl-type:#F78C9B; --hl-attr:#7FD3E6; --hl-del:#FF8A80;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#151A20; --surface:#1D242C; --ink:#E3E8ED; --muted:#8C99A6; --line:#2D3742; --hover:#28323C; --code:#242D36;
  --hl-kw:#C792EA; --hl-str:#8FD694; --hl-num:#F5B76B; --hl-com:#7E8C99; --hl-fn:#82AAFF; --hl-type:#F78C9B; --hl-attr:#7FD3E6; --hl-del:#FF8A80;
  color-scheme:dark;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:14px/1.4 var(--ui)}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
[hidden]{display:none!important}

/* ---------- Onglets ---------- */
.tabbar{display:flex;align-items:flex-end;gap:4px;padding:8px 10px 0;min-height:44px}
#tabs{display:flex;gap:2px;overflow-x:auto;min-width:0;scrollbar-width:thin}
.tab{display:flex;align-items:center;gap:7px;max-width:220px;padding:7px 4px 8px 10px;border-radius:8px 8px 0 0;
  border-top:3px solid color-mix(in srgb, var(--c) 40%, transparent);color:var(--muted);cursor:pointer;user-select:none;white-space:nowrap;flex:none}
.tab:hover{background:var(--hover)}
.tab.active{background:var(--surface);color:var(--ink);border-top-color:var(--c)}
.tab.dragging{opacity:.4}
.tab-dot{width:10px;height:10px;border-radius:50%;background:var(--c);border:0;padding:0;flex:none;cursor:pointer}
.tab-title{overflow:hidden;text-overflow:ellipsis}
.tab input{width:150px;padding:1px 4px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
.tab-close{border:0;background:none;width:22px;height:22px;border-radius:4px;font-size:16px;line-height:1;opacity:.45;cursor:pointer;flex:none}
.tab-close:hover{opacity:1;background:var(--hover)}
#newTab{font-size:18px;line-height:1;padding:4px 10px;margin-bottom:4px}

/* ---------- Barres d'outils ---------- */
.toolbar,.findbar{display:flex;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 10px;background:var(--surface);border-bottom:1px solid var(--line)}
.findbar{gap:6px}
.sep{width:1px;height:20px;background:var(--line);margin:0 6px}
.spacer{flex:1}
.btn{border:1px solid transparent;background:none;padding:5px 8px;border-radius:6px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn[aria-pressed="true"]{background:var(--hover);border-color:var(--line);box-shadow:inset 0 -2px 0 var(--accent)}
#install{border-color:var(--accent);color:var(--accent)}
.findbar input[type=text]{width:200px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}
.findbar label{display:flex;align-items:center;gap:5px;color:var(--muted)}
#findInfo{color:var(--muted);min-width:90px}

/* ---------- Zone principale ---------- */
main{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1fr;background:var(--surface);border-left:4px solid var(--accent);transition:border-color .2s}
main[data-mode="edit"],main[data-mode="preview"]{grid-template-columns:1fr}
main[data-mode="edit"] #preview,main[data-mode="preview"] .edwrap{display:none}
.edwrap{position:relative;display:flex;min-width:0;min-height:0;overflow:hidden}
.edstack{position:relative;flex:1;min-width:0;height:100%;background:var(--surface)}
#editor,#hl{padding:18px 22px;font:var(--fs)/1.6 var(--mono);tab-size:4;letter-spacing:normal}
#editor{position:relative;display:block;width:100%;height:100%;resize:none;border:0;outline:0;background:transparent;color:var(--ink)}
.edwrap.lines #editor,.edwrap.lines #hl{padding-left:14px}

/* Coloration dans l'éditeur : texte coloré dessous, zone de saisie transparente dessus */
#hl{display:none;position:absolute;top:0;left:0;margin:0;overflow:hidden;pointer-events:none;color:var(--ink);
  white-space:pre-wrap;overflow-wrap:break-word}
#hl.nowrap{white-space:pre;overflow-wrap:normal}
#hl *{font-weight:inherit!important;font-style:normal!important}
.edstack.colored #hl{display:block}
.edstack.colored #editor{color:transparent;caret-color:var(--ink)}
.edstack.colored #editor::selection{color:transparent;background:color-mix(in srgb, var(--accent) 30%, transparent)}
#hl .hljs-section{color:var(--hl-fn)}
#hl .hljs-strong,#hl .hljs-emphasis{color:var(--hl-kw)}
#hl .hljs-code{color:var(--hl-str)}
#hl .hljs-quote{color:var(--hl-com)}

/* Numéros de ligne de l'éditeur */
#gutter{display:none;flex:none;overflow:hidden;padding:18px 10px 400px 12px;min-width:calc(var(--digits, 2) * 1ch + 24px);
  text-align:right;font:var(--fs)/1.6 var(--mono);color:var(--muted);user-select:none;
  background:color-mix(in srgb, var(--bg) 45%, var(--surface));border-right:1px solid var(--line)}
.edwrap.lines #gutter{display:block}
#gutter > div{opacity:.6}
#gutter > div.cur{opacity:1;color:var(--ink);font-weight:500}
#mirror{position:absolute;top:0;left:0;visibility:hidden;pointer-events:none;white-space:pre-wrap;overflow-wrap:break-word;
  font:var(--fs)/1.6 var(--mono);tab-size:4}
#editor.nowrap{white-space:pre;overflow-x:auto}

#editor::placeholder{color:var(--muted)}
main[data-mode="split"] .edwrap{border-right:1px solid var(--line)}
#preview{overflow:auto;padding:18px 28px 40px;font-size:calc(var(--fs) + 1px);line-height:1.65}
#preview > *{max-width:74ch}
#preview .empty{color:var(--muted)}
#preview.raw{white-space:pre-wrap;font-family:var(--mono)}
@media (max-width:760px){
  main[data-mode="split"]{grid-template-columns:1fr;grid-template-rows:1fr 1fr}
  main[data-mode="split"] .edwrap{border-right:0;border-bottom:1px solid var(--line)}
  .findbar input[type=text]{width:100%}
}

/* ---------- Rendu Markdown ---------- */
#preview h1,#preview h2,#preview h3,#preview h4{line-height:1.25;margin:1.4em 0 .5em;font-weight:600}
#preview h1{font-size:1.75em;margin-top:.4em}
#preview h2{font-size:1.4em;padding-bottom:.2em;border-bottom:1px solid var(--line)}
#preview h3{font-size:1.15em}
#preview p,#preview ul,#preview ol,#preview pre,#preview blockquote,#preview table{margin:0 0 1em}
#preview a{color:var(--accent)}
#preview code{font-family:var(--mono);font-size:.88em;background:var(--code);padding:.12em .35em;border-radius:4px}
#preview pre{background:var(--code);padding:12px 14px;border-radius:6px;overflow:auto;line-height:1.5}
#preview pre code{background:none;padding:0}
#preview pre.numbered{display:grid;grid-template-columns:auto 1fr;column-gap:12px}
#preview pre .ln{font-family:var(--mono);font-size:.88em;text-align:right;white-space:pre;color:var(--muted);opacity:.6;
  user-select:none;padding-right:10px;border-right:1px solid var(--line)}
#preview blockquote{margin-left:0;padding:.2em 1em;border-left:3px solid var(--accent);color:var(--muted)}
#preview table{border-collapse:collapse;display:block;overflow-x:auto}
#preview th,#preview td{border:1px solid var(--line);padding:6px 10px;text-align:left}
#preview th{background:var(--code)}
#preview hr{border:0;border-top:1px solid var(--line);margin:2em 0}
#preview img{max-width:100%}
#preview li > input[type=checkbox]{margin-right:.4em}

/* ---------- Coloration syntaxique (highlight.js) ---------- */
.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-doctag{color:var(--hl-kw)}
.hljs-string,.hljs-regexp,.hljs-addition,.hljs-selector-attr{color:var(--hl-str)}
.hljs-number,.hljs-symbol,.hljs-bullet,.hljs-link{color:var(--hl-num)}
.hljs-comment,.hljs-quote{color:var(--hl-com);font-style:italic}
.hljs-title,.hljs-section,.hljs-built_in,.hljs-title.function_{color:var(--hl-fn)}
.hljs-type,.hljs-title.class_,.hljs-tag,.hljs-name,.hljs-selector-id,.hljs-selector-class{color:var(--hl-type)}
.hljs-attr,.hljs-attribute,.hljs-variable,.hljs-template-variable,.hljs-property,.hljs-params{color:var(--hl-attr)}
.hljs-meta,.hljs-meta .hljs-keyword{color:var(--hl-com)}
.hljs-deletion{color:var(--hl-del)}
.hljs-emphasis{font-style:italic}
.hljs-strong{font-weight:600}

/* ---------- Recherche dans toutes les notes ---------- */
#gsearch{width:min(680px,94vw);max-height:72vh;margin:10vh auto auto;padding:0;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--ink);box-shadow:0 18px 50px rgb(0 0 0 / .25)}
#gsearch[open]{display:flex;flex-direction:column}
#gsearch::backdrop{background:rgb(10 15 20 / .4)}
#gq{width:100%;border:0;border-bottom:1px solid var(--line);padding:14px 16px;font-size:16px;background:transparent;outline:0}
#gInfo{padding:6px 16px;font-size:12px;color:var(--muted)}
#gResults{list-style:none;margin:0;padding:0 6px 8px;overflow:auto}
.gres{display:block;width:100%;text-align:left;border:0;background:none;padding:8px 10px;border-radius:6px;cursor:pointer}
.gres.on,.gres:hover{background:var(--hover)}
.gres-head{display:flex;gap:8px;align-items:center;font-weight:500}
.gres-head .dot{width:8px;height:8px;border-radius:50%;background:var(--c);flex:none}
.gres-line{color:var(--muted);font-weight:400;font-size:12px}
.gres-snip{display:block;margin-top:2px;font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
mark{background:color-mix(in srgb, var(--accent) 30%, transparent);color:var(--ink);border-radius:2px}

/* ---------- Comparaison de deux notes ---------- */
#cmp{width:min(1280px,96vw);height:min(88vh,920px);max-height:none;margin:auto;padding:0;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--ink);box-shadow:0 18px 50px rgb(0 0 0 / .25);overflow:hidden;
  --d-del:#D93025;--d-add:#1E9E5A}
#cmp[open]{display:flex;flex-direction:column}
#cmp::backdrop{background:rgb(10 15 20 / .4)}
.cmp-top,.cmp-opts{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;padding:8px 12px}
.cmp-top{border-bottom:1px solid var(--line)}
.cmp-opts{border-bottom:1px solid var(--line);background:var(--bg);font-size:13px}
.cmp-opts label{display:flex;align-items:center;gap:5px;color:var(--muted);cursor:pointer}
.cmp-pick{display:flex;align-items:center;gap:8px;min-width:0}
.cmp-pick select{max-width:min(380px,36vw);padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);cursor:pointer}
.cmp-tag{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:5px;font:600 12px var(--ui);color:#fff;flex:none;margin-right:6px}
.cmp-pick .cmp-tag{margin-right:0}
.cmp-tag.a{background:var(--d-del)}
.cmp-tag.b{background:var(--d-add)}
#cmpInfo,#cmpPos{color:var(--muted);white-space:nowrap}
#cmpPos{min-width:3.5em;text-align:center}
.btn:disabled{opacity:.4;cursor:default}
.btn:disabled:hover{background:none}

#cmpBody{flex:1;min-height:0;overflow:auto;outline:0;font:calc(var(--fs) - 1px)/1.55 var(--mono);--nw:calc((var(--digits,2) + 2) * 1ch + 20px)}
.cmp-empty{margin:40px 20px;text-align:center;color:var(--muted);font:15px var(--ui)}
.chead,.crow{display:grid;grid-template-columns:var(--nw) minmax(0,1fr) var(--nw) minmax(0,1fr)}
#cmpBody.cmp-u .chead,#cmpBody.cmp-u .crow{grid-template-columns:var(--nw) var(--nw) 2.2ch minmax(0,1fr)}
.chead{position:sticky;top:0;z-index:1;background:var(--surface);border-bottom:1px solid var(--line);font:600 13px var(--ui)}
.ct{padding:7px 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;min-width:0}
#cmpBody.cmp-u .ct{gap:14px}
.cn,.cs{padding:0 8px;white-space:nowrap;text-align:right;color:var(--muted);user-select:none;background:color-mix(in srgb, var(--bg) 45%, var(--surface))}
.cs{padding:0;text-align:center;font-weight:600}
.cl{min-height:1.55em;padding:0 10px;white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4}
.cn + .cl,.cs + .cl{border-left:1px solid var(--line)}
#cmpBody:not(.cmp-u) .cn:nth-child(3){border-left:1px solid var(--line)}

/* Lignes présentes seulement dans A (rouge) ou dans B (vert) ; les mots modifiés ressortent plus fort */
.cl.del{background:color-mix(in srgb, var(--d-del) 13%, transparent)}
.cl.add{background:color-mix(in srgb, var(--d-add) 13%, transparent)}
.cn.del,.cs.del{background:color-mix(in srgb, var(--d-del) 24%, var(--surface));color:var(--ink)}
.cn.add,.cs.add{background:color-mix(in srgb, var(--d-add) 24%, var(--surface));color:var(--ink)}
.cs.del{color:var(--d-del)}
.cs.add{color:var(--d-add)}
.cl.void,.cn.void{background:repeating-linear-gradient(135deg, transparent 0 6px, color-mix(in srgb, var(--muted) 16%, transparent) 6px 7px)}
.cl.del .w{background:color-mix(in srgb, var(--d-del) 42%, transparent);border-radius:2px}
.cl.add .w{background:color-mix(in srgb, var(--d-add) 42%, transparent);border-radius:2px}
#cmpBody:not(.cmp-u) .cn.del::before{content:"− ";color:var(--d-del);font-weight:600}
#cmpBody:not(.cmp-u) .cn.add::before{content:"+ ";color:var(--d-add);font-weight:600}
.crow.cur .cn:first-child{box-shadow:inset 4px 0 0 var(--accent)}
.crow.cur .cl.del,.crow.cur .cl.add{filter:saturate(1.35)}
.cfold{padding:3px 12px;text-align:center;font:12px var(--ui);color:var(--muted);background:var(--code);border-block:1px solid var(--line)}
@media (max-width:760px){
  #cmp{width:100vw;max-width:none;height:100dvh;border-radius:0;border:0}
  #cmpViews{display:none}
  .cmp-pick select{max-width:34vw}
}

/* ---------- Barre d'état ---------- */
.status{display:flex;gap:18px;padding:4px 12px;font-size:12px;color:var(--muted);background:var(--bg);border-top:1px solid var(--line)}
#saved{margin-left:auto}
#saved.err{color:#C2410C;font-weight:500}
#net{color:#B7791F;font-weight:500}

/* ---------- Mode focus ---------- */
.exit-focus{display:none}
body.focus .tabbar,body.focus .toolbar,body.focus .status{display:none}
body.focus main{border-left:0;grid-template-columns:1fr;grid-template-rows:1fr}
body.focus main[data-mode="split"] #preview{display:none}
body.focus #gutter{display:none!important}
body.focus #editor,body.focus .edwrap.lines #editor,body.focus #hl,body.focus .edwrap.lines #hl{padding:8vh max(24px, calc((100% - 72ch) / 2)) 30vh;font-size:calc(var(--fs) + 2px);border:0}
body.focus #preview{padding:8vh max(24px, calc((100% - 74ch) / 2)) 30vh}
body.focus .exit-focus{display:block;position:fixed;top:10px;right:14px;z-index:5;background:var(--surface);border-color:var(--line);
  color:var(--muted);opacity:.35;animation:hint 3s ease-out}
body.focus .exit-focus:hover,body.focus .exit-focus:focus-visible{opacity:1}
@keyframes hint{0%,60%{opacity:1}100%{opacity:.35}}

@media (prefers-reduced-motion:reduce){main{transition:none}body.focus .exit-focus{animation:none}}

/* ---------- Impression ---------- */
@media print{
  :root{--ink:#000;--surface:#fff;--code:#f2f2f2;--line:#ccc}
  body > *:not(main){display:none!important}
  body{display:block;background:#fff}
  main{display:block;border:0}
  .edwrap{display:none!important}
  #preview{display:block!important;overflow:visible;padding:0}
}