:root{--bg:#f4f5f7;--card:#fff;--soft:#f5f5f5;--line:#e5e5e5;--line2:#ddd;--tx:#333;--mu:#838383;--dark:#333;--dark2:#292929;
  --green:#45be84;--green2:#3aa572;--blue:#096E9B;--navy:#08005f;--red:#ca044b;--orange:#f0ad4e;--r:10px;
  --shadow:0 0 11px -8px rgba(0,0,0,.9);--shadow2:0 6px 24px -10px rgba(0,0,0,.35);color-scheme:light}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--mu);font:15px/1.6 Montserrat,system-ui,sans-serif}
body{display:flex;flex-direction:column;min-height:100vh}
a{color:var(--blue)}
h1,h2,h3,h4{color:var(--tx);font-weight:600}
code,.mono{font-family:"JetBrains Mono",Menlo,Consolas,monospace;font-size:.86em}
p code,li code,.hint code,.qtext code,.aitext code,.coach code,.note code,.fbbody code,.empty code,.sinfo code{background:#f9f2f4;color:var(--red);padding:2px 6px;border-radius:4px}
button{font:inherit;cursor:pointer}
.mu{color:var(--mu)} .small{font-size:13px}
.eyebrow{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mu);font-weight:700}
[hidden]{display:none!important}
main{flex:1}

/* ---------- En-tête ondulé ---------- */
header.top{position:relative;z-index:30;display:flex;align-items:center;gap:22px;padding:14px 28px 10px;background:var(--dark);color:#fff;margin-bottom:46px}
header.top::after{content:"";position:absolute;left:0;right:0;top:100%;height:44px;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 44' preserveAspectRatio='none'%3E%3Cpath d='M0 0H1200V30C960 46 820 14 600 26S220 42 0 22Z' fill='%23292929'/%3E%3Cpath d='M0 0H1200V18C980 36 800 4 580 16S200 34 0 12Z' fill='%23333333'/%3E%3C/svg%3E") no-repeat;background-size:100% 100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#fff;text-decoration:none;white-space:nowrap}
.logo{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:linear-gradient(to top,var(--green2),var(--green));color:#fff;font-size:18px;box-shadow:0 3px 10px -3px rgba(69,190,132,.8)}
nav.nav{display:flex;gap:2px;overflow-x:auto;margin-left:auto;scrollbar-width:none}
nav.nav::-webkit-scrollbar{display:none}
nav.nav a{position:relative;padding:9px 11px;color:#fff;text-decoration:none;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;opacity:.75;transition:.15s}
nav.nav a i{margin-right:6px}
nav.nav a:hover{opacity:1} nav.nav a.on{opacity:1}
nav.nav a.on::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:3px;border-radius:3px;background:var(--green)}
.stats{display:flex;gap:8px;align-items:center}
.chip{display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:5px 12px;border-radius:999px;font-weight:700;font-size:13px;white-space:nowrap;color:#fff}
.chip .fa-fire{color:var(--orange)} .chip .fa-star{color:#f7d154} .chip .fa-trophy{color:var(--green)}
.lvl .bar{width:60px;height:6px;background:rgba(255,255,255,.15);border-radius:9px;overflow:hidden}
.lvl .bar i{display:block;height:100%;width:0;background:var(--green);transition:width .6s}
.chip.bump{animation:bump .5s}
@keyframes bump{40%{transform:scale(1.15)}}

/* ---------- Titres de section façon « ★ Titre ★ » ---------- */
.stitle{text-align:center;margin:38px 0 22px}
.stitle hr{border:0;border-top:1px solid var(--line2);margin:0}
.stitle h2{margin:12px 0;font-size:24px;color:var(--tx)}
.stitle h2 i{font-size:.7em;margin:0 12px;vertical-align:middle;color:var(--c,var(--green))}

/* ---------- Boutons ---------- */
.btn{position:relative;overflow:hidden;text-decoration:none;border:0;border-radius:4px;padding:10px 20px;font-weight:700;font-size:13.5px;letter-spacing:.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;color:#fff;
  background:linear-gradient(to top,#3d3d3d,#858585);transition:.15s;box-shadow:0 2px 6px -2px rgba(0,0,0,.4)}
.btn::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.3);opacity:0;transition:.3s}
.btn:hover::before{opacity:.45} .btn>*{position:relative}
.btn:active{transform:translateY(1px)}
.btn.run{background:linear-gradient(to top,var(--green2),var(--green))}
.btn.check{background:linear-gradient(to top,#075a7f,#1188bd)}
.btn.ghost{background:linear-gradient(to top,#3d3d3d,#858585)}
.btn.light{background:#fff;color:var(--tx);border:1px solid var(--line2);box-shadow:none}
.btn.light::before{background:rgba(0,0,0,.06)}
.btn.big{padding:13px 24px;font-size:14px}
.mini{border:1px solid var(--line2);background:#fff;color:var(--tx);border-radius:4px;padding:5px 11px;font-size:12px;font-weight:600;transition:.15s}
.mini:hover{border-color:var(--green);color:var(--green2)} .mini.ghost{background:transparent;color:var(--mu)}
.mini i{margin-right:4px}
.kbd{color:var(--mu);font-size:12px;margin-left:auto}

/* ---------- Cartes ---------- */
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}

/* ---------- Parcours ---------- */
.wrap{max-width:1040px;margin:0 auto;padding:6px 20px 40px}
.hero{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px;box-shadow:var(--shadow2);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:linear-gradient(var(--green),var(--blue))}
.hero h1{margin:4px 0 8px;font-size:32px;line-height:1.15}
.hero p{margin:0 0 20px}
.ring{width:136px;height:136px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) calc(var(--p)*1%),#eceef1 0)}
.ring>div{width:112px;height:112px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center}
.ring b{font-size:30px;display:block;line-height:1;color:var(--tx)} .ring small{color:var(--mu);font-size:12px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.feat{padding:16px 18px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);font-size:14px;line-height:1.7}
.feat h5{margin:0 0 4px;font-size:15px;color:var(--tx);text-align:center} .feat h5 i{color:var(--green);margin-right:6px}
.feat p{margin:0;text-align:center}
.path{position:relative;display:flex;flex-direction:column;gap:14px}
.path::before{content:"";position:absolute;left:41px;top:34px;bottom:34px;width:4px;border-radius:4px;background:#e3e5e9}
.node{position:relative;display:flex;gap:18px;align-items:center;text-decoration:none;color:inherit}
.dot{position:relative;z-index:1;flex-shrink:0;width:86px;height:86px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--c) calc(var(--p)*1%),#e3e5e9 0);transition:.2s}
.dot>span{width:70px;height:70px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:26px;color:var(--c);box-shadow:inset 0 0 0 1px var(--line)}
.node .card{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;transition:.18s;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}
.node:hover .card{border-color:var(--c);transform:translateX(5px);box-shadow:var(--shadow2)}
.node:hover .dot{transform:scale(1.06)}
.card h3{margin:0;font-size:17px} .card .sub{color:var(--mu);font-size:12.5px;font-family:"JetBrains Mono",monospace}
.card .meta{margin-left:auto;text-align:right;font-size:13px;color:var(--mu);white-space:nowrap}
.pbar{width:130px;height:6px;background:#eceef1;border-radius:9px;overflow:hidden;margin-top:6px}
.pbar i{display:block;height:100%;background:var(--c)}
.node.locked{cursor:not-allowed} .node.locked .card,.node.locked .dot{opacity:.5;filter:grayscale(1)} .node.locked:hover .card{transform:none;border-color:var(--line);box-shadow:var(--shadow)}
.node.current .dot{animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--c) 45%,transparent)}70%{box-shadow:0 0 0 14px transparent}100%{box-shadow:0 0 0 0 transparent}}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:4px;background:#eceef1;color:var(--mu);text-transform:uppercase;letter-spacing:.4px}
.tag.ok{background:#dff0d8;color:#3c763d} .tag.go{background:#d9edf7;color:var(--blue)}
.pfoot{margin-top:30px;display:flex;gap:18px;flex-wrap:wrap;align-items:center;justify-content:center;color:var(--mu);font-size:13px}
.pfoot label{display:flex;gap:8px;align-items:center;cursor:pointer}
.pfoot button{background:none;border:0;color:var(--mu);text-decoration:underline;padding:0}

/* ---------- Module ---------- */
.mod-head{display:flex;align-items:center;gap:14px;padding:4px 24px 16px;flex-wrap:wrap}
.back{display:grid;place-items:center;width:38px;height:38px;border-radius:4px;background:#fff;border:1px solid var(--line2);text-decoration:none;color:var(--tx)}
.back:hover{border-color:var(--green);color:var(--green2)}
.mod-head h2{margin:0;font-size:22px} .mod-head h2 i{color:var(--c);margin-right:8px}
.steps{display:flex;gap:7px;margin-left:auto;flex-wrap:wrap;align-items:center}
.step{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:2px solid var(--line2);background:#fff;color:var(--mu);font-weight:700;font-size:13px;text-decoration:none;transition:.15s}
.step:hover{border-color:var(--mu)} .step.done{background:var(--green);border-color:var(--green);color:#fff}
.step.seen{border-color:var(--orange);color:var(--orange)} .step.on{transform:scale(1.15);box-shadow:0 0 0 3px rgba(9,110,155,.25);border-color:var(--blue)}
.mod{display:grid;grid-template-columns:380px 1fr;gap:20px;padding:0 24px 30px;align-items:start}
.mod.nolesson{grid-template-columns:1fr}
.mod.nolesson .lesson{display:none}
.lesson{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}
.lhead{display:flex;gap:12px;align-items:center;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.lhead b{color:var(--tx);font-size:16px}
.licon{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;font-size:20px;color:#fff}
.lcard{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:14px 15px;margin-bottom:12px}
.lcard h4{margin:0 0 4px;font-size:15px} .lcard p{margin:0;font-size:14px;color:#666}
pre.code{background:#272822;border-radius:6px;padding:10px 12px;margin:10px 0 8px;font:12.5px/1.55 "JetBrains Mono",monospace;overflow:auto;white-space:pre}
.lact{display:flex;gap:6px;flex-wrap:wrap}
.lout{margin-top:8px} .lout .tblwrap{max-height:200px} .lout table{font-size:12px}
.work{display:flex;flex-direction:column;gap:14px;min-width:0}
.qcard{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--c,var(--blue));border-radius:var(--r);padding:16px 20px;box-shadow:var(--shadow)}
.qtop{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.badge{font-weight:700;font-size:12px;color:var(--blue);letter-spacing:.06em;text-transform:uppercase}
.qtext{font-size:16.5px;line-height:1.55;color:var(--tx)}
.hint{margin-top:12px;padding:10px 14px;border-radius:6px;background:#fcf8e3;border:1px solid #faebcc;color:#8a6d3b;font-size:14px;animation:fade .25s}
.hint i{margin-right:6px}
.hint{line-height:1.65}
.hint-template{display:block;margin-top:8px;padding:8px 10px;background:rgba(255,255,255,.55);border-left:3px solid #e8c95c;border-radius:4px}
.hint-template code{white-space:normal}
.editor{border-radius:8px;overflow:hidden;border:1px solid #1d1e1a;box-shadow:var(--shadow2)}
.editor .CodeMirror{height:210px;font:15px/1.6 "JetBrains Mono",Consolas,monospace}
.query-zone{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:14px;align-items:stretch}
.schema-help{height:212px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:12px}
.sh-title{display:flex;align-items:center;gap:7px;color:var(--tx);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;margin-bottom:9px;white-space:nowrap}
.sh-title i{color:var(--green2)}
.sh-toggle{display:inline-flex;align-items:center;gap:5px;margin-left:auto;border:1px solid var(--line2);border-radius:5px;background:var(--soft);color:var(--mu);padding:4px 6px;font:700 10px Montserrat,sans-serif;text-transform:none;letter-spacing:0}
.sh-toggle:hover{border-color:var(--green2);color:var(--green2)}.sh-toggle i{color:inherit}
.sh-table+.sh-table{border-top:1px solid var(--line);padding-top:9px;margin-top:9px}
.sh-name,.sh-cols button{border:0;font-family:"JetBrains Mono",Consolas,monospace;cursor:pointer;transition:.15s}
.sh-name{display:block;background:var(--dark);color:#fff;border-radius:5px;padding:5px 9px;font-weight:700;font-size:12px;margin-bottom:7px}
.sh-name:hover{background:var(--blue)}
.sh-cols{display:flex;flex-wrap:wrap;gap:5px}
.sh-cols button{display:flex;align-items:center;gap:4px;background:var(--soft);color:var(--tx);border:1px solid var(--line);border-radius:5px;padding:4px 6px;font-size:11px}
.sh-cols button:hover{border-color:var(--green2);background:#eefaf5}
.sh-cols small{color:var(--mu);font-size:8px;text-transform:uppercase}
.sh-preview{margin-top:9px}.sh-preview-title{font-size:10px;color:var(--mu);margin-bottom:5px}.sh-grid{overflow:auto;border:1px solid var(--line);border-radius:5px}.sh-grid table{border-collapse:collapse;min-width:100%;font:9.5px "JetBrains Mono",Consolas,monospace}.sh-grid th{background:var(--dark);color:#fff;text-align:left;padding:4px 6px;white-space:nowrap}.sh-grid td{padding:4px 6px;border-bottom:1px solid var(--line);white-space:nowrap;color:var(--tx)}.sh-grid tr:nth-child(even) td{background:#fafafa}.sh-grid td.nul{color:#aaa;font-style:italic}
.sh-tip{color:var(--mu);font-size:10.5px;line-height:1.35;margin-top:9px}.sh-tip i{margin-right:5px;color:var(--blue)}
#edSand .CodeMirror{height:250px}
.CodeMirror-placeholder{color:#75715e!important;font-style:italic}
.CodeMirror-hints{background:#272822;border:1px solid #444;font-family:"JetBrains Mono",monospace;z-index:50}
.CodeMirror-hint{color:#f8f8f2} li.CodeMirror-hint-active{background:var(--green);color:#fff}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.fb{display:flex;gap:14px;padding:15px 18px;border-radius:var(--r);animation:fade .3s;box-shadow:var(--shadow)}
.fb.ok{background:#dff0d8;border:1px solid #c3e6cb;color:#3c763d}
.fb.ko{background:#fdf1f4;border:1px solid #f3c4d2;color:#8b2a46}
.fbicon{font-size:28px;line-height:1;padding-top:2px}
.fb.ok .fbicon{color:var(--green2)} .fb.ko .fbicon{color:var(--red)}
.fbbody{flex:1;min-width:0} .fbbody>b{font-size:16px;color:inherit}
.fbbody .mu{color:inherit;opacity:.85}
.fbact{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.xpgain{display:inline-block;margin-left:10px;font-weight:800;color:#fff;background:var(--green);padding:1px 9px;border-radius:4px;font-size:13px;animation:rise .9s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}
.ai{margin-top:12px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--navy);border-radius:6px;padding:11px 14px;color:var(--tx)}
.aihead{font-weight:700;font-size:12px;color:var(--navy);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.aihead i{margin-right:6px}
.aitext{font-size:14.5px;white-space:pre-wrap}
.coach{margin-top:12px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:6px;padding:11px 14px;color:var(--tx)}
.coach .aihead{color:var(--green2)}
.coach ul{margin:4px 0 0;padding-left:18px} .coach li{margin:5px 0;font-size:14.5px;line-height:1.5} .coach p{margin:4px 0 0;font-size:14.5px}
.mini.aibtn{border-color:var(--navy);color:var(--navy)} .mini.aibtn:hover{background:var(--navy);color:#fff}
.mini:disabled{opacity:.5;cursor:default}
.dots i{display:inline-block;width:6px;height:6px;margin-right:3px;border-radius:50%;background:var(--navy);animation:blink 1.2s infinite}
.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:.2}}
@keyframes fade{from{opacity:0;transform:translateY(-4px)}}

/* ---------- Résultats ---------- */
.results{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.rtabs{display:flex;gap:2px;padding:0 8px;border-bottom:1px solid var(--line);align-items:center;flex-wrap:wrap;background:var(--soft)}
.rtabs button{background:none;border:0;color:var(--mu);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.5px;padding:12px 14px;border-bottom:3px solid transparent}
.rtabs button i{margin-right:6px}
.rtabs button:hover{color:var(--tx)}
.rtabs button.on{color:var(--tx);border-bottom-color:var(--green)}
.rmeta{margin-left:auto;padding:0 10px;font-size:12px;color:var(--mu);font-family:"JetBrains Mono",monospace}
.rmeta.ok{color:var(--green2)} .rmeta.err{color:var(--red)}
.rbody{padding:14px;min-height:120px}
.empty{color:var(--mu);text-align:center;padding:26px 10px;font-size:14px}
.empty>i{display:block;font-size:30px;margin-bottom:10px;color:#c9ccd3}
.sqlerr{font-family:"JetBrains Mono",monospace;color:#a94442;background:#f2dede;border:1px solid #ebccd1;border-radius:6px;padding:10px 12px;font-size:13.5px}
.tblwrap{overflow:auto;max-height:380px;border:1px solid var(--line);border-radius:6px}
table{border-collapse:collapse;font:13px "JetBrains Mono",Consolas,monospace;width:max-content;min-width:100%}
th,td{padding:7px 12px;text-align:left;white-space:nowrap;border-bottom:1px solid #eee}
th{position:sticky;top:0;background:var(--dark);color:#fff;font-weight:600;z-index:1;font-family:Montserrat,sans-serif;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tbody tr:nth-child(even) td{background:#fafafa}
tbody tr:hover td{background:#eef7f2}
td.num{color:var(--blue);text-align:right} td.str{color:var(--tx)} td.nul{color:#b5b8bf;font-style:italic}
td.rn,th.rn{color:#b5b8bf;text-align:right;width:1%} th.rn{color:#9a9a9a}
.more{color:var(--mu);font-size:12.5px;padding:8px 2px 0}
.note{font-size:13px;color:var(--mu);margin-bottom:10px}
.chart{padding:4px 2px}
.ctitle{font-weight:700;margin-bottom:12px;font-size:14px;color:var(--tx)}
.crow{display:grid;grid-template-columns:minmax(80px,200px) 1fr 90px;gap:10px;align-items:center;margin-bottom:6px;font-size:13px}
.clab{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--tx);text-align:right}
.ctrack{height:20px;background:#eef0f3;border-radius:4px;overflow:hidden}
.ctrack i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--blue));animation:grow .7s cubic-bezier(.2,.8,.2,1) var(--d) forwards}
@keyframes grow{to{width:var(--w)}}
.cval{font-family:"JetBrains Mono",monospace;color:var(--blue);font-size:12.5px}

/* ---------- Mini-éditeurs des exemples ---------- */
.minied{margin:10px 0 8px;border-radius:6px;overflow:hidden;border:1px solid #1d1e1a}
.minied .CodeMirror{height:auto;font:13px/1.55 "JetBrains Mono",Consolas,monospace;padding:4px 2px}
.lhint{font-size:11.5px;color:var(--mu);margin-left:auto;align-self:center}

/* ---------- Cours ---------- */
.cours{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
.ctoc{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow)}
.csearch{position:relative;margin-bottom:6px}
.csearch i{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--mu);font-size:13px}
.csearch input{width:100%;padding:9px 12px 9px 32px;border:1px solid var(--line2);border-radius:6px;font:inherit;font-size:13.5px;color:var(--tx);outline:none}
.csearch input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(69,190,132,.15)}
.ctoc h4{font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin:14px 4px 6px;color:var(--mu)}
.ci{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:6px;text-decoration:none;color:var(--tx);font-size:14px;font-weight:600;transition:.12s}
.ci:hover{background:var(--soft)} .ci.on{background:#eef7f2;box-shadow:inset 3px 0 0 var(--c)}
.cic{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;color:#fff;background:var(--c);font-size:12.5px;flex-shrink:0}
.cic.big{width:46px;height:46px;border-radius:10px;font-size:20px}
.cst{margin-left:auto;font-size:11.5px;color:#b5b8bf;font-weight:700} .cst.ok{color:var(--green2)}
.cbody{min-width:0}
.chead{background:#fff;border:1px solid var(--line);border-top:5px solid var(--c);border-radius:14px;padding:22px 26px;box-shadow:var(--shadow);margin-bottom:18px}
.chead h1{margin:8px 0 4px;font-size:28px;display:flex;align-items:center;gap:14px}
.chead .sub{color:var(--mu);font-size:13.5px}
.cmeta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--mu);margin-top:12px}
.cmeta i{margin-right:6px;color:var(--c)}
.cl{display:grid;grid-template-columns:36px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.cl .cnum{width:34px;height:34px;border-radius:50%;background:var(--c);color:#fff;font-weight:700;display:grid;place-items:center}
.cl h3{margin:4px 0 6px;font-size:18px} .cl p{margin:0 0 2px;color:#555;font-size:15px;line-height:1.65}
.cl>div{min-width:0}
.cbox{border-radius:12px;padding:16px 20px;margin-bottom:14px} .cbox h3{margin:0 0 8px;font-size:16px}
.cbox ul{margin:0;padding-left:20px} .cbox li{margin:6px 0;color:#444;line-height:1.6}
.cbox.keep{background:#eef7f2;border:1px solid #cfe9db} .cbox.keep h3{color:var(--green2)}
.cbox.trap{background:#fdf1f4;border:1px solid #f3c4d2} .cbox.trap h3{color:var(--red)}
.ccta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--dark);border-radius:12px;padding:20px 22px;margin:20px 0}
.ccta h3{color:#fff;margin:0 0 4px} .ccta p{margin:0;color:#c8c8c8;font-size:14px} .ccta .btn{margin-left:auto}
.cnav{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}
.cnav a{flex:1;max-width:48%;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;text-decoration:none;color:var(--tx);font-weight:600;box-shadow:var(--shadow)}
.cnav a:hover{border-color:var(--green)}
.cnav a small{display:block;color:var(--mu);font-size:11px;text-transform:uppercase;letter-spacing:.5px;font-weight:700}
.cnav a.nx{text-align:right;margin-left:auto}
.order{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.order span{background:var(--dark);color:#fff;font:600 12.5px "JetBrains Mono",monospace;padding:6px 10px;border-radius:5px}
.order i{color:var(--mu);font-size:11px}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.mcard h4{margin:0 0 4px}

/* ---------- Bac à sable ---------- */
.sand{display:grid;grid-template-columns:270px 1fr;gap:20px;padding:0 24px 30px;align-items:start}
.sside{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.sside h3{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mu);margin:18px 0 8px;font-weight:700}
.sside h3:first-child{margin-top:0}
.stbl summary{cursor:pointer;font-family:"JetBrains Mono",monospace;color:var(--blue);font-size:13.5px;padding:4px 0;list-style:none;font-weight:600}
.stbl summary::before{content:"▸ ";color:var(--mu)} .stbl[open] summary::before{content:"▾ "}
.stbl summary em{color:var(--mu);font-style:normal;font-size:12px;font-weight:400}
.stbl ul{list-style:none;margin:2px 0 8px 14px;padding:0}
.stbl li{font:12.5px "JetBrains Mono",monospace;padding:3px 6px;border-radius:4px;cursor:pointer;display:flex;justify-content:space-between;gap:8px;color:var(--tx)}
.stbl li:hover{background:#eef7f2} .stbl li span{color:var(--mu);font-size:11px}
.sitem{display:block;width:100%;text-align:left;background:var(--soft);border:1px solid var(--line);color:var(--tx);border-radius:6px;padding:8px 10px;margin-bottom:6px;font-size:12.5px;font-weight:600}
.sitem:hover{border-color:var(--green)}
.sitem i{color:var(--green);margin-right:6px}
.sitem.h{font-family:"JetBrains Mono",monospace;font-size:11.5px;font-weight:400;color:#555;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sinfo{background:#d9edf7;border:1px solid #bce8f1;color:#31708f;border-radius:var(--r);padding:11px 15px;font-size:14px}
.sinfo i{margin-right:6px}
.sinfo code{background:rgba(255,255,255,.6)!important}

/* ---------- Schéma ---------- */
.erbox{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;overflow-x:auto;box-shadow:var(--shadow2)}
.erbox svg{display:block;min-width:900px;width:100%;height:auto}
.er .box{fill:#fff;stroke:var(--line2);stroke-width:1.5;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08))}
.er .hd{cursor:pointer} .er .hd:hover rect{filter:brightness(1.1)}
.er .hd text{fill:#fff;font:700 14px Montserrat,sans-serif}
.er .hd .cnt{font:600 11.5px Montserrat,sans-serif;fill:#fff;opacity:.85}
.er .col text{font:12.5px "JetBrains Mono",monospace;fill:#444}
.er .col .ty{fill:#aaa;font-size:11px}
.er .col.fk text:first-child{fill:var(--blue);font-weight:600} .er .col.pk text:first-child{fill:#b8860b;font-weight:600}
.er .col rect{fill:transparent} .er .col:hover rect,.er .col.hl rect{fill:#eef7f2}
.er path.link{fill:none;stroke:#c3c7ce;stroke-width:2;transition:.2s}
.er path.link.hl{stroke:var(--green);stroke-width:3}
.legend{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;font-size:13px;color:var(--mu);margin:0 0 18px}
.legend b{font-family:"JetBrains Mono",monospace}
.prevhead{display:flex;align-items:center;gap:10px;margin:24px 0 10px;flex-wrap:wrap}
.prevhead h3{margin:0}

/* ---------- Pied de page ondulé ---------- */
footer.foot{position:relative;margin-top:70px;background:var(--dark2);color:#bbb;text-align:center;padding:26px 20px 30px;font-size:13.5px}
footer.foot::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:56px;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 56' preserveAspectRatio='none'%3E%3Cpath d='M0 30C240 6 420 44 640 26S1000 0 1200 20V56H0Z' fill='%231e472c'/%3E%3Cpath d='M0 40C260 20 460 54 700 38S1020 18 1200 34V56H0Z' fill='%23333333'/%3E%3Cpath d='M0 50C300 36 520 60 760 48S1060 38 1200 46V56H0Z' fill='%23292929'/%3E%3C/svg%3E") no-repeat;background-size:100% 100%}
footer.foot b{color:#fff} footer.foot a{color:#ddd} footer.foot .fa-heart{color:#ff6b93}

/* ---------- Choix de la langue ---------- */
.langsel{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:2px 6px 2px 11px;color:#fff;font-size:13px;font-weight:700;cursor:pointer}
.langsel:hover{border-color:var(--green)}
.langsel select{background:transparent;color:#fff;border:0;font:inherit;outline:none;cursor:pointer;padding:4px 2px}
.langsel option{color:#333}
/* ---------- Glossaire (version anglaise) ---------- */
.gloss{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px 18px;font-size:14px}
.gloss div{display:flex;gap:8px;align-items:baseline} .gloss span{color:#444}

/* ---------- Accueil ---------- */
.home-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;max-width:1180px;margin:0 auto;padding:8px 24px 34px}
.home-hero h1{font-size:46px;line-height:1.12;margin:12px 0 16px}
.home-hero .hl{color:var(--green2)}
.home-hero .lead{font-size:17.5px;color:#555;max-width:580px;margin:0}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.demo{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow2);overflow:hidden}
.demo-top{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--dark);color:#ddd;font-size:12.5px;font-weight:600}
.dots3{display:flex;gap:6px} .dots3 i{width:11px;height:11px;border-radius:50%;background:#ff5f56} .dots3 i:nth-child(2){background:#ffbd2e} .dots3 i:nth-child(3){background:#27c93f}
#homeEd .CodeMirror{height:auto;font:14px/1.6 "JetBrains Mono",Consolas,monospace;padding:6px 0}
.demo-act{display:flex;gap:10px;align-items:center;padding:10px 14px;border-top:1px solid var(--line)}
.demo-out{padding:0 14px 14px} .demo-out .tblwrap{max-height:240px}
.hstats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1180px;margin:0 auto;padding:0 24px}
.hstat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 12px;text-align:center;box-shadow:var(--shadow);font-size:14px}
.hstat b{display:block;font-size:30px;color:var(--tx);line-height:1.2}
.hsec{max-width:1180px;margin:0 auto;padding:0 24px}
.steps3,.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step3,.fcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;box-shadow:var(--shadow)}
.step3 .n{width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;display:grid;place-items:center;margin-bottom:10px}
.step3 h3,.fcard h3{margin:0 0 6px;font-size:17px} .step3 p,.fcard p{margin:0;font-size:14.5px;color:#555}
.fi{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;color:#fff;background:var(--c);font-size:19px;margin-bottom:12px}
.prog{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcol{background:#fff;border:1px solid var(--line);border-top:4px solid var(--c);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.pcol h3{margin:0 0 10px;font-size:15px;color:var(--c)}
.pcol a{display:flex;gap:10px;align-items:center;padding:7px 6px;border-radius:6px;text-decoration:none;color:var(--tx)}
.pcol a:hover{background:var(--soft)} .pcol a .cic{background:var(--c)}
.pcol b{display:block;font-size:14px} .pcol small{display:block;color:var(--mu);font:11.5px "JetBrains Mono",monospace}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;box-shadow:var(--shadow)}
.faq summary{font-weight:700;color:var(--tx);cursor:pointer}
.faq details p{margin:10px 0 0;color:#555}
.final{background:var(--dark);border-radius:16px;text-align:center;padding:36px 24px;margin:40px auto 0;max-width:1132px}
.final h2{color:#fff;margin:0 0 6px} .final p{color:#c8c8c8;margin:0 0 20px}

/* ---------- Comptes ---------- */
.acctwrap{position:relative}
.chip.acct{cursor:pointer;font:inherit;font-weight:700;font-size:13px}
.chip.acct:hover{border-color:var(--green)} .chip.acct.in{background:rgba(69,190,132,.18);border-color:rgba(69,190,132,.5)}
.chip.acct i{color:var(--green)}
.acctmenu{position:absolute;right:0;top:calc(100% + 8px);z-index:60;background:#fff;color:var(--tx);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 40px rgba(0,0,0,.25);padding:14px;min-width:240px}
.acctmenu b{display:block;margin:2px 0 8px;word-break:break-all;font-size:14px}
.sync{font-size:12.5px;margin-bottom:10px;color:var(--mu)} .sync.ok{color:var(--green2)} .sync.err{color:var(--red)}
.savehint{margin:16px 0 0;font-size:14px} .savehint i{color:var(--green2)}
#auth{position:fixed;inset:0;background:rgba(30,30,30,.55);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:75;padding:16px;animation:fade .25s}
.abox{position:relative;background:#fff;border-radius:14px;padding:26px 28px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-height:calc(100vh - 32px);overflow:auto}
.aclose{position:absolute;right:12px;top:12px;border:0;background:none;color:var(--mu);font-size:18px;padding:6px}
.ahead{display:flex;gap:12px;align-items:center;margin-bottom:16px} .ahead h2{margin:0;font-size:21px} .ahead p{margin:2px 0 0;font-size:13.5px;line-height:1.45}
.gbox{display:flex;justify-content:center;min-height:44px}
.acctmenu .mini{display:flex;width:100%;justify-content:center;gap:6px;margin-top:6px}
.aor{display:flex;align-items:center;gap:10px;color:var(--mu);font-size:12px;margin:14px 0}
.aor::before,.aor::after{content:"";flex:1;height:1px;background:var(--line)}
.atabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:14px}
.atabs a{flex:1;text-align:center;padding:9px;text-decoration:none;color:var(--mu);font-weight:700;font-size:14px;border-bottom:3px solid transparent}
.atabs a.on{color:var(--tx);border-bottom-color:var(--green)}
#aForm label{display:block;margin-bottom:12px;font-size:13px;font-weight:700;color:var(--tx)}
#aForm input{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line2);border-radius:6px;font:inherit;font-size:15px;color:var(--tx);outline:none}
#aForm input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(69,190,132,.15)}
.apass{position:relative;display:block} .apass input{padding-right:42px!important}
.apass button{position:absolute;right:6px;top:50%;transform:translateY(-38%);border:0;background:none;color:var(--mu);padding:6px}
#aForm small{display:block;margin-top:4px;font-weight:400;font-size:12px}
#aSubmit{width:100%;justify-content:center;margin-top:4px}
.amsg{font-size:13.5px;border-radius:6px;padding:9px 12px;margin-bottom:10px;background:var(--soft)}
.amsg.err{background:#f2dede;color:#a94442} .amsg.ok{background:#dff0d8;color:#3c763d}
.alinks{text-align:center;margin-top:12px;font-size:13.5px;display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.alinks a.off{color:var(--mu);pointer-events:none;text-decoration:none}
#aForm input.otp{font:700 26px "JetBrains Mono",monospace;letter-spacing:10px;text-align:center;padding:10px}
.anote{font-size:12px;text-align:center;margin:14px 0 0}

/* ---------- Données ---------- */
.dtabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:16px}
.dtab{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font:600 13.5px "JetBrains Mono",monospace;color:var(--tx);box-shadow:var(--shadow)}
.dtab i{width:10px;height:10px;border-radius:3px;background:var(--c)} .dtab em{font-style:normal;color:var(--mu);font-size:12px}
.dtab:hover{border-color:var(--c)} .dtab.on{border-color:var(--c);box-shadow:0 0 0 2px var(--c) inset}
.dbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.dsearch{position:relative;flex:1;min-width:220px}
.dsearch i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--mu);font-size:13px}
.dsearch input,.dbar select{width:100%;padding:10px 12px 10px 34px;border:1px solid var(--line2);border-radius:6px;font:inherit;font-size:14px;color:var(--tx);background:#fff;outline:none}
.dbar select{width:auto;padding:10px 12px;cursor:pointer}
.dsearch input:focus,.dbar select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(69,190,132,.15)}
.dchip{display:inline-flex;align-items:center;gap:8px;background:#d9edf7;color:#31708f;border-radius:999px;padding:5px 8px 5px 14px;font-size:13px;margin-bottom:12px}
.dchip button{border:0;background:rgba(255,255,255,.6);border-radius:50%;width:24px;height:24px;color:#31708f}
.dwrap{max-height:68vh;background:#fff;box-shadow:var(--shadow)}
th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
th.sortable small{margin-left:6px;opacity:.55;font-weight:400;text-transform:none;letter-spacing:0;font-size:10.5px}
th.sortable i{margin-left:6px;opacity:.45;font-size:11px} th.sortable.on i,th.sortable:hover i{opacity:1;color:var(--green)}
.fk{border:0;background:none;color:var(--blue);font:inherit;font-weight:600;cursor:pointer;padding:0;text-decoration:underline dotted}
.fk i{font-size:9px;margin-left:5px;opacity:.6}
.dfoot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px}
.dpager{display:flex;align-items:center;gap:6px;font-size:13.5px} .dpager span{padding:0 8px;color:var(--tx);font-weight:600}
.dpager .mini:disabled{opacity:.4;cursor:default}

/* ---------- Publicité ---------- */
.adzone{max-width:1180px;width:100%;margin:44px auto 0;padding:0 24px;text-align:center;overflow:hidden;min-width:0}
.adlabel{font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:#aaa;margin-bottom:8px}
.ad-native{margin:0 auto 14px;max-width:1000px;text-align:left}
.ad-banner{display:flex;justify-content:center;min-height:0;width:100%;max-width:100%;overflow:hidden}
.ad-scale{overflow:hidden;flex-shrink:0}
.ad-native{max-width:100%;overflow:hidden}

@media(max-width:760px){.adzone{padding:0 16px}}

/* ---------- Divers ---------- */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(30px);opacity:0;background:var(--dark);color:#fff;padding:11px 18px;border-radius:6px;font-weight:600;z-index:80;transition:.3s;pointer-events:none;box-shadow:0 10px 40px rgba(0,0,0,.3)}
#toast.on{opacity:1;transform:translateX(-50%)}
#fx{position:fixed;inset:0;pointer-events:none;z-index:90}
#modal{position:fixed;inset:0;background:rgba(30,30,30,.55);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:70;padding:16px;animation:fade .25s}
.mbox{background:#fff;border-radius:14px;padding:32px;max-width:460px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.mbox .big{display:grid;place-items:center;width:84px;height:84px;margin:0 auto 14px;border-radius:50%;font-size:36px;color:#fff;animation:bump .6s}
.mbox h2{margin:0 0 6px} .mbox p{margin:0 0 22px}
.mbox .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
#boot{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:100;color:var(--mu);font-weight:600}

@media(max-width:1380px){nav.nav a i{display:none} .lvl .bar{display:none} header.top{gap:14px}}
@media(max-width:1440px){header.top{flex-wrap:wrap;row-gap:6px} nav.nav{order:3;width:100%;margin-left:0} .stats{margin-left:auto}}
@media(max-width:900px){
  .mod,.sand{grid-template-columns:1fr;padding:0 16px 24px}
  .lesson,.sside{position:static;max-height:none}
  .mod.nolesson .lesson{display:none}
  .feats{grid-template-columns:1fr}
  .home-hero{grid-template-columns:1fr;padding:0 16px 26px} .prog{grid-template-columns:1fr 1fr} .steps3,.fgrid{grid-template-columns:1fr}
  .cours{grid-template-columns:1fr} .ctoc{position:static;max-height:none}
  .query-zone{grid-template-columns:1fr}.schema-help{height:auto;max-height:300px}
}
@media(max-width:760px){
  header.top{flex-wrap:wrap;gap:10px;padding:12px 16px 6px}
  nav.nav{order:3;width:100%;margin-left:0}
  nav.nav a{padding:8px 10px}
  .stats{margin-left:0;width:100%;gap:6px;flex-wrap:wrap}
  .chip{padding:4px 9px;font-size:12.5px} .langsel{padding:1px 4px 1px 9px;font-size:12.5px}
  .wrap{padding:0 16px 30px}
  .mod-head{padding:0 16px 14px}
  .hero{grid-template-columns:1fr;padding:24px} .hero h1{font-size:25px} .ring{display:none}
  .path::before{left:31px} .dot{width:66px;height:66px}.dot>span{width:54px;height:54px;font-size:20px}
  .card .meta{display:none} .node .card{padding:12px 14px}
  .kbd{display:none} .crow{grid-template-columns:90px 1fr 70px}
  .lvl .bar{display:none} .stitle h2{font-size:20px}
  .home-hero h1{font-size:31px} .hstats{grid-template-columns:1fr 1fr;padding:0 16px} .hsec{padding:0 16px} .prog{grid-template-columns:1fr} .final{margin:30px 16px 0}
  .chead{padding:18px} .chead h1{font-size:22px} .cl{grid-template-columns:1fr;padding:16px} .cl .cnum{display:none} .lhint{display:none} .cnav a{max-width:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.ctrack i{width:var(--w)}}

/* Liens vers les fiches de cours détaillées */
.fiches{margin-top:12px;font-size:13.5px;color:var(--mu)} .fiches i{color:var(--green2);margin-right:6px} .fiches a{font-weight:600}