:root{--desk:#dfe5ec;--ui:#fff;--ink:#1d2740;--mut:#5d6882;--line:#c3cbda;--acc:#2f5bea;--good:#1f8a4c;--bad:#c93b3b;--mid:#b57a00;
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--desk:#161b27;--ui:#222a3b;--ink:#e8ecf5;--mut:#a3aec7;--line:#38425a;--acc:#6f8cff;--good:#4cc27f;--bad:#ff7b7b;--mid:#e0a21a}}
:root[data-theme="dark"]{--desk:#161b27;--ui:#222a3b;--ink:#e8ecf5;--mut:#a3aec7;--line:#38425a;--acc:#6f8cff;--good:#4cc27f;--bad:#ff7b7b;--mid:#e0a21a}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:var(--desk);color:var(--ink);font:15px/1.5 Nunito,system-ui,sans-serif}
button,select,input,textarea{font:inherit;color:inherit}
a{color:var(--acc)}
h1,h2,h3{margin:0}
.mut{color:var(--mut)}.center{text-align:center;padding:40px 16px}
.wrap{max-width:1100px;margin:0 auto}
.sp{flex:1}

/* ---------- Boutons et champs ---------- */
.btn,select{border:1px solid var(--line);background:var(--ui);border-radius:8px;padding:7px 12px;cursor:pointer;text-decoration:none;color:var(--ink);display:inline-block}
.btn:hover:not(:disabled){border-color:var(--acc)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}
.btn.bad{color:var(--bad);border-color:var(--bad)}
.btn.good{color:var(--good);border-color:var(--good)}
.btn.mid{color:var(--mid);border-color:var(--mid)}
button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible,.bd:focus-visible,.pn:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
input[type=text],input[type=password],input[type=search],input[type=number],input:not([type]),input.wide{border:1px solid var(--line);background:var(--ui);border-radius:8px;padding:7px 12px}
input.wide{width:100%}
kbd{font:600 11px/1 system-ui,sans-serif;border:1px solid currentColor;border-radius:4px;padding:2px 5px;opacity:.75;margin-left:4px}
.err{color:var(--bad);min-height:1.4em;margin:6px 0}
.hint{color:var(--mut);font-size:13px}
.row{display:flex;gap:8px;flex-wrap:wrap}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px;vertical-align:baseline}

/* ---------- Navigation ---------- */
.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 18px;background:var(--ui);border-bottom:1px solid var(--line)}
.brand{font:700 28px Caveat,cursive;text-decoration:none;color:var(--ink)}
.nav nav{display:flex;gap:4px;flex-wrap:wrap}
.nav nav a{padding:6px 12px;border-radius:8px;text-decoration:none;color:var(--ink)}
.nav nav a[aria-current=page]{background:var(--ink);color:var(--ui)}

/* ---------- Connexion ---------- */
.authbox{max-width:400px;margin:8vh auto 0;padding:24px;background:var(--ui);border-radius:14px;box-shadow:0 4px 18px rgba(20,30,60,.2)}
.authbox h1{font:700 44px Caveat,cursive}
.authbox label,.pn label{display:block;margin:10px 0;font-weight:600}
.authbox input,.pn form input{display:block;width:100%;margin-top:4px;font-weight:400}
.tabs{display:flex;margin:14px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tabs button{flex:1;border:0;background:transparent;padding:8px;cursor:pointer}
.tabs button.on{background:var(--ink);color:var(--ui)}

/* ---------- Bibliothèque ---------- */
.top{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:16px 18px 8px}
.top h1{font:700 36px Caveat,cursive;margin-right:auto}
.h{font:700 36px Caveat,cursive;padding:16px 18px 4px}
.banner{display:block;margin:6px 18px;padding:10px 14px;border-radius:8px;background:var(--ui);border-left:5px solid var(--acc);text-decoration:none;color:var(--ink);font-weight:600}
.chips{display:flex;gap:6px;flex-wrap:wrap;padding:6px 18px}
.chip{border:1px solid var(--line);background:transparent;border-radius:99px;padding:4px 12px;cursor:pointer}
.chip.on{background:var(--ink);color:var(--ui);border-color:var(--ink)}
.lib{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;padding:12px 18px 40px}
.empty{grid-column:1/-1;color:var(--mut);padding:30px 0}
.card{background:#fff;color:#1d2740;border-radius:6px;overflow:hidden;box-shadow:0 1px 4px rgba(20,30,60,.3);min-height:170px;display:flex;flex-direction:column;text-decoration:none}
.card:hover{box-shadow:0 4px 12px rgba(20,30,60,.35)}
.card .band{padding:6px 10px;color:#fff;font-weight:700;font-size:13px;display:flex;justify-content:space-between}
.card .ct{padding:10px;flex:1;display:block}
.card h3{font:700 26px/1.1 Caveat,cursive;margin:0 0 4px}
.card .sub{color:#5d6882;font-size:13px}
.card .ft{padding:8px 10px;font-size:13px;border-top:1px solid #e3e7ef}

/* ---------- Éditeur ---------- */
.bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 18px;position:sticky;top:env(safe-area-inset-top,0px);background:var(--desk);z-index:5}
.fmt{display:flex;gap:4px}
.st{margin-left:auto;font-size:13px;color:var(--mut)}
.st[data-s=error]{color:var(--bad);font-weight:600}
.page{display:flex;justify-content:center;padding:10px 12px 80px}
.sheet{width:min(100%,794px);min-height:1000px;background:#fff;color:#1d2740;box-shadow:0 4px 18px rgba(20,30,60,.3)}
.sheet.carreaux{background:linear-gradient(#cfd9f0 1px,transparent 1px) 0 0/20px 20px,linear-gradient(90deg,#cfd9f0 1px,transparent 1px) 0 0/20px 20px,#fff}
.sheet.seyes{background:linear-gradient(90deg,transparent 47px,#e48b8b 47px,#e48b8b 48px,transparent 48px),repeating-linear-gradient(#fff 0 23px,#c5d2f0 23px 24px)}
.sheet.points{background:radial-gradient(#aab4cc 1.2px,transparent 1.6px) 0 0/20px 20px,#fff}
.head{padding:14px 22px 16px;color:#fff;background:var(--c)}
.head input{background:transparent;border:0;border-radius:0;color:#fff;min-width:0;padding:2px 0}
.head input::placeholder{color:rgba(255,255,255,.75)}
.head .t{font:700 42px/1.1 Caveat,cursive;width:100%;border-bottom:2px dashed rgba(255,255,255,.55)}
.head .t.ro{border-bottom:0;padding:2px 0}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;font-size:14px}
.meta input{font-size:14px;border-bottom:1px solid rgba(255,255,255,.5)}
.meta input[type=date]{color-scheme:dark}
.sg{display:grid;gap:14px;padding:18px 22px}
.blk{background:var(--bg);border-left:5px solid var(--c);border-radius:6px;padding:8px 12px 10px;min-width:0}
.blk.full{grid-column:1/-1}
.blk>header{display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--c);font-size:14px}
.ctl button{border:0;background:transparent;cursor:pointer;color:#5d6882;padding:2px 6px;border-radius:4px}
.ctl button:hover{background:rgba(0,0,0,.08)}
.blk .term{display:block;width:100%;font-weight:700;border:0;border-bottom:1px dashed rgba(0,0,0,.25);background:transparent;border-radius:0;padding:2px 0;margin-top:2px;color:#1d2740}
.blk .term::placeholder{color:#6b758c;font-weight:400}
.blk .term.ro{border-bottom:0}
.bd{outline:none;min-height:3.2em;padding-top:4px;overflow-wrap:anywhere;border-radius:4px}
.bd:empty:before{content:attr(data-ph);color:#6b758c}
.bd:focus{background:rgba(255,255,255,.65)}
.bd ul,.bd ol{margin:4px 0;padding-left:22px}
.snip{display:flex;flex-wrap:wrap;gap:3px;margin:6px 0 4px}
.snip button{border:1px solid rgba(0,0,0,.2);background:rgba(255,255,255,.7);border-radius:4px;padding:1px 7px;cursor:pointer;color:#1d2740;font-size:13px}
.tex{width:100%;resize:vertical;font:14px/1.4 ui-monospace,Menlo,Consolas,monospace;border:1px solid rgba(0,0,0,.2);border-radius:6px;background:rgba(255,255,255,.8);color:#1d2740;padding:6px 8px}
.prev{min-height:1.5em;overflow-x:auto;overflow-y:hidden;padding:2px 0}
.prev code{font-size:14px}
.blk.f .prev{font-size:1.1em}
/* Zone de code (NSI) */
.codein{width:100%;resize:vertical;font:13.5px/1.5 ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;tab-size:4;border:1px solid rgba(0,0,0,.2);border-radius:6px;background:#1e2433;color:#e6edf7;padding:8px 10px;margin-top:4px;white-space:pre;overflow-x:auto}
.codein::placeholder{color:#8a96ad}
pre.code{margin:4px 0 0;padding:8px 10px;border-radius:6px;background:#1e2433;color:#e6edf7;font:13px/1.5 ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;tab-size:4;overflow-x:auto;white-space:pre}
pre.code.sm{font-size:12px;padding:4px 8px;max-height:9em;overflow:hidden}
.opt pre.code{margin:0;flex:1;min-width:0}
.printonly{display:none}
.add{padding:0 22px 22px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.add .btn{padding:4px 10px;font-size:13px;color:#1d2740;background:#fff}

/* ---------- Fenêtres ---------- */
.ov{position:fixed;inset:0;background:rgba(10,15,30,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:20}
.pn{background:var(--ui);color:var(--ink);border-radius:12px;padding:18px;width:min(560px,100%);max-height:92%;overflow:auto}
.pn h2{font:700 30px Caveat,cursive;margin-bottom:6px}
.pn h3{font-size:15px;margin:16px 0 6px}
.mod{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-bottom:12px}
.mod button{text-align:left;border:1px solid var(--line);border-left:6px solid var(--c);background:transparent;border-radius:8px;padding:8px 10px;cursor:pointer}
.mod small{display:block;color:var(--mut)}
.filebtn{margin-left:6px}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--ink);color:var(--ui);padding:10px 16px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:40;max-width:90%}
#toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- Minuteur ---------- */
.pomo{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:15;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
#pomoPanel{background:var(--ui);border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:0 4px 18px rgba(20,30,60,.3);text-align:center}
#pomoPanel[hidden]{display:none}
.pomo .big{font:700 44px Caveat,cursive;margin:4px 0 8px}
.pomo .lnk{display:block;margin:10px auto 0;border:0;background:none;color:var(--acc);text-decoration:underline;cursor:pointer;font-size:13px}
.pomoform{text-align:left;margin-top:8px;border-top:1px solid var(--line);padding-top:8px;max-width:260px}
.pomoform label{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:6px 0;font-size:14px}
.pomoform label span{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--mut)}
.pomoform input{width:64px;padding:4px 8px}
.pomoform .hint{margin:4px 0 8px}
#pomoPanel{max-height:80vh;overflow:auto}

/* ---------- Réviser ---------- */
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;padding:12px 18px}
.mode,.panel{background:var(--ui);border-radius:12px;padding:16px;border:1px solid var(--line)}
.mode h2,.panel h2{font-size:18px;margin-bottom:6px}
.mode p{margin:0 0 12px}
.wrap>.hint{padding:0 18px 24px}
.studybar{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;color:var(--mut)}
.fc{margin:6px auto;max-width:640px;background:#fff;color:#1d2740;border-radius:14px;border-top:10px solid var(--c);box-shadow:0 4px 18px rgba(20,30,60,.25);padding:24px;min-height:260px;width:calc(100% - 36px)}
.fc-tag{font-size:13px;color:#5d6882}
.fc-q{font:700 34px/1.2 Caveat,cursive;margin:14px 0}
.fc-a{border-top:2px dashed #c3cbda;padding-top:14px;font-size:17px;overflow-wrap:anywhere}
.fc-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:18px}
.quiz{max-width:680px;margin:0 auto;padding:6px 18px 30px}
.qtext{font-size:22px;margin:6px 0 16px}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:10px;align-items:flex-start;text-align:left;border:2px solid var(--line);background:var(--ui);border-radius:10px;padding:10px 14px;cursor:pointer;color:var(--ink)}
.opt:hover:not(:disabled){border-color:var(--acc)}
.opt kbd{margin:3px 0 0}
.opt.ok{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--ui))}
.opt.ko{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 18%,var(--ui))}
.opt:disabled{cursor:default}
.fb{font-weight:700;margin:14px 0 8px}.fb.ok{color:var(--good)}.fb.ko{color:var(--bad)}
.result{max-width:640px;margin:20px auto;padding:0 18px}
.result h2{font:700 36px Caveat,cursive}
.wrong{padding-left:0;list-style:none}
.wrong li{background:var(--ui);border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin:8px 0;overflow-wrap:anywhere}

/* ---------- Statistiques ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;padding:12px 18px}
.tile{background:var(--ui);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column}
.tile b{font:700 38px/1 Caveat,cursive}.tile span{color:var(--mut);font-size:13px}
.panel{margin:12px 18px}
.chart{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:6px}
.chart .col{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;min-width:0}
.chart .stack{width:100%;background:color-mix(in srgb,var(--acc) 30%,transparent);border-radius:4px 4px 0 0;display:flex;flex-direction:column;justify-content:flex-end;min-height:0}
.chart .okp{display:block;background:var(--acc);border-radius:4px 4px 0 0}
.chart .d{font-size:11px;color:var(--mut);margin-top:4px}
.scroll{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl thead th{color:var(--mut);font-weight:600;font-size:13px}
.mbar{display:flex;width:140px;height:10px;border-radius:5px;overflow:hidden;background:var(--line)}

/* ---------- Paramètres ---------- */
.who{font-size:13px}
.nav .gear[aria-current=page]{background:var(--ink);color:var(--ui);border-color:var(--ink)}
.stabs{display:flex;gap:4px;flex-wrap:wrap;padding:4px 18px 0;border-bottom:1px solid var(--line);margin:0 18px}
.stabs a{padding:8px 14px;border-radius:8px 8px 0 0;text-decoration:none;color:var(--mut);font-weight:600;border:1px solid transparent;border-bottom:0;margin-bottom:-1px}
.stabs a.on{color:var(--ink);background:var(--ui);border-color:var(--line)}
.spanel{padding:4px 0 90px}
.spanel .panel{max-width:760px}
.spanel .panel h3{font-size:15px;margin:16px 0 4px}
.panel.danger{border-color:color-mix(in srgb,var(--bad) 45%,var(--line))}
.sform{max-width:380px}
.sform label{display:block;margin:10px 0;font-weight:600}
.sform input{display:block;width:100%;margin-top:4px;font-weight:400}
.field{display:flex;flex-direction:column;gap:4px;margin:10px 0;font-weight:600;max-width:340px}
.field input,.field select{font-weight:400}
.field small{color:var(--mut);font-weight:400;font-size:12px}
.field input[type=number]{width:110px}
.check{display:flex;gap:8px;align-items:flex-start;margin:10px 0;cursor:pointer}
.check input{margin-top:4px;width:16px;height:16px;flex:none}
.boxes{display:flex;gap:12px;flex-wrap:wrap}
.boxes .field{margin:4px 0}
.boxes .unit{display:flex;align-items:center;gap:4px;font-weight:400}
.boxes input[type=number]{width:72px}
.inline{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:flex-end}
.inline .field{margin:4px 0}
.inline .err{flex-basis:100%;margin:0}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:1px 8px;border-radius:99px;background:color-mix(in srgb,var(--acc) 18%,var(--ui));color:var(--acc);vertical-align:middle}
.btn.sm{padding:3px 9px;font-size:13px}
.users td,.users th{vertical-align:middle}
.spanel .panel.wide{max-width:none}
.sbar{margin:8px 18px}
.users .acts{display:flex;gap:6px;flex-wrap:wrap;min-width:180px}
.users td:last-child{white-space:normal}
.dot.on{background:var(--good);margin:0 0 0 6px;width:8px;height:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Petits écrans ---------- */
@media(max-width:560px){
  .sg{grid-template-columns:minmax(0,1fr)!important}
  .head .t{font-size:34px}
  .st{margin-left:0}
  .who{display:none}
  .users .copt{display:none}
  .inline .field,.field{max-width:100%}
  .stabs{margin:0 12px;padding:4px 0 0}
}

/* ---------- Impression : seule la fiche sort, en A4 ---------- */
@media print{
  .noprint,.ctl,.snip,.tex,#modal,#toast,.nav,.pomo{display:none!important}
  body{background:#fff}
  :root{padding:0}
  .page{padding:0}
  .sheet{box-shadow:none;width:100%;min-height:1115px}
  .term:placeholder-shown{display:none}
  .printonly{display:block}
  pre.code{white-space:pre-wrap;background:#f3f5f9;color:#1d2740;border:1px solid #d5dbe6}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  @page{size:A4;margin:0}
}