/* Une page de cahier d'écolier (réglure Seyès, marge rouge, stylo bleu).
   En thème sombre, la même page devient une ardoise à la craie. */
@font-face{font-family:"Playwrite FR Moderne";font-style:normal;font-weight:400;font-display:optional;src:url(/assets/playwrite-fr.woff2) format("woff2")}
:root{
  --paper:#fbfcff;--board:#fff;--ink:#1f3fae;--pencil:#2a2d38;--soft:#5b6074;--red:#c81f35;
  --rule:rgba(110,90,200,.09);--rule-strong:rgba(110,90,200,.2);--on-ink:#fff;
  --hand:"Playwrite FR Moderne","Segoe Script","Bradley Hand",cursive;
  --text:"Avenir Next","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mx:clamp(10px,5vw,88px);
  --c:clamp(26px,calc((100vw - 72px)/11),38px);
}
@media (prefers-color-scheme:dark){
  :root{--paper:#1c2625;--board:#172020;--ink:#a9c4ff;--pencil:#eef0ea;--soft:#a7b2ac;--red:#ff8a8f;
    --rule:rgba(255,255,255,.035);--rule-strong:rgba(255,255,255,.08);--on-ink:#141c1c;color-scheme:dark}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0;position:relative;background-color:var(--paper);
  background-image:linear-gradient(var(--rule-strong) 1px,transparent 1px),linear-gradient(90deg,var(--rule-strong) 1px,transparent 1px),linear-gradient(var(--rule) 1px,transparent 1px);
  background-size:100% 32px,32px 32px,100% 8px;
  color:var(--pencil);font:400 17px/1.65 var(--text);
}
body::before{content:"";position:absolute;top:0;bottom:0;left:var(--mx);width:2px;background:var(--red);opacity:.55}
.page{padding:0 16px 0 calc(var(--mx) + 22px);max-width:1180px}
@media (max-width:500px){.page{padding-left:calc(var(--mx) + 16px)}}
a{color:var(--ink);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--on-ink);padding:8px 14px;z-index:9}
.skip:focus{left:calc(var(--mx) + 22px)}

/* En-tête */
.top{display:flex;flex-wrap:wrap;gap:8px 28px;align-items:baseline;justify-content:space-between;padding-top:20px}
.top .site{font-weight:600;color:var(--pencil);text-decoration:none}
.top nav{display:flex;flex-wrap:wrap;gap:4px 20px}
.top nav a{text-decoration:none;font-weight:500;padding:6px 0}
.top nav a:hover,.top nav a[aria-current]{text-decoration:underline}
.crumbs{margin:22px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:2px 8px;font-size:.92rem;color:var(--soft)}
.crumbs li+li::before{content:"›";margin-right:8px}

h1,h2,.status{font-family:var(--hand);font-weight:400;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(2rem,5.6vw,3.6rem);line-height:1.5;margin:22px 0 .4em}
.lead{max-width:60ch;font-size:1.12rem;margin:0 0 28px}
h2{font-size:clamp(1.45rem,3.4vw,2rem);line-height:1.6;margin:44px 0 10px}
h3{font-size:1.08rem;font-weight:650;margin:26px 0 4px}
p,li{max-width:68ch}
section{padding:12px 0 0}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:4px 0}
.prose li::marker{color:var(--ink)}
.note{border-left:3px solid var(--ink);padding:4px 0 4px 16px;max-width:66ch;margin:20px 0}
.keys{display:flex;flex-wrap:wrap;gap:18px 40px;margin:18px 0 6px;padding:0;list-style:none}
.keys li{display:flex;flex-direction:column}
.keys b{font-family:var(--hand);font-weight:400;color:var(--ink);font-size:1.7rem;line-height:1.5}
.keys span{color:var(--soft);font-size:.92rem}

/* Jeu */
.status{font-size:clamp(1.15rem,3vw,1.6rem);line-height:1.7;min-height:1.7em;margin:0 0 6px}
.status.bad{color:var(--red)}
.hint{color:var(--soft);margin:0 0 18px;min-height:3.3em}
.controls{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center;margin:0 0 14px;min-height:48px}
button,select{font:500 1rem/1.2 var(--text);color:var(--ink)}
.btn{background:var(--board);border:2px solid var(--ink);border-radius:999px;padding:10px 18px;cursor:pointer;min-height:44px}
.btn:hover{background:color-mix(in srgb,var(--ink) 10%,var(--board))}
.btn.primary{background:var(--ink);color:var(--on-ink);font-weight:650}
.btn.primary:hover{background:color-mix(in srgb,var(--ink) 85%,var(--pencil))}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.options{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;margin:0 0 26px;color:var(--soft)}
.options label{display:flex;align-items:center;gap:8px}
.options select{background:var(--board);border:2px solid var(--ink);border-radius:999px;padding:9px 12px;min-height:44px}
.options input{width:20px;height:20px;accent-color:var(--ink)}
[hidden]{display:none!important}
.boards{position:relative;display:flex;flex-wrap:wrap;gap:36px 56px;align-items:flex-start}
h2.small{font:650 1.15rem/1.4 var(--text);color:var(--pencil);margin:0 0 8px}
.side .count{font-weight:400;color:var(--soft);font-size:.95rem}
.game[data-phase="battle"] #sideEnemy,.game[data-phase="over"] #sideEnemy{order:-1}
.game[data-phase="placement"] #sideEnemy .grid{opacity:.4}
.game.covered .side{visibility:hidden}
.cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:16px;padding:24px;background:var(--paper);border:2px dashed var(--ink)}
.cover p{font-family:var(--hand);color:var(--ink);font-size:1.3rem;line-height:1.7;margin:0}
.grid{display:grid;grid-template-columns:repeat(11,var(--c));grid-template-rows:repeat(11,var(--c));font-variant-numeric:tabular-nums}
.grid .lab{display:grid;place-items:center;color:var(--soft);font-size:.82rem;font-weight:500}
.cell{position:relative;padding:0;margin:0;appearance:none;border-radius:0;background:var(--board);border:0;border-right:1px solid var(--rule-strong);border-bottom:1px solid var(--rule-strong);cursor:default}
.cell.r0{border-top:2px solid var(--ink)}
.cell.c0{border-left:2px solid var(--ink)}
.cell.r9{border-bottom:2px solid var(--ink)}
.cell.c9{border-right:2px solid var(--ink)}
.cell:focus-visible{outline-offset:-3px;z-index:2}
.grid.enemy.live .cell:not(.shot){cursor:crosshair}
.grid.enemy.live .cell:not(.shot):hover{background:color-mix(in srgb,var(--ink) 14%,var(--board))}
.grid.own.edit .cell{cursor:pointer}
.cell.ship{background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--ink) 60%,transparent) 0 1.5px,transparent 1.5px 6px),color-mix(in srgb,var(--ink) 9%,var(--board));box-shadow:inset 0 0 0 1.5px var(--ink)}
.cell.sel{box-shadow:inset 0 0 0 3px var(--red)}
.cell.reveal{background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--soft) 55%,transparent) 0 1.5px,transparent 1.5px 6px),var(--board);box-shadow:inset 0 0 0 1.5px var(--soft)}
.cell.sunk{background:repeating-linear-gradient(45deg,color-mix(in srgb,var(--red) 55%,transparent) 0 1.5px,transparent 1.5px 5px),color-mix(in srgb,var(--red) 10%,var(--board));box-shadow:inset 0 0 0 1.5px var(--red)}
.cell.miss::before{content:"";position:absolute;inset:32%;border:2px solid var(--ink);border-radius:50%;opacity:.8}
.cell.near::before{border-style:dashed;border-color:var(--red);inset:24%}
.cell.hit::before,.cell.hit::after{content:"";position:absolute;left:8%;right:8%;top:calc(50% - 1.5px);height:3px;border-radius:2px;background:var(--red)}
.cell.hit::before{transform:rotate(43deg)}
.cell.hit::after{transform:rotate(-48deg)}
@media (prefers-reduced-motion:no-preference){
  .cell.last.hit::before,.cell.last.hit::after{animation:stroke .22s ease-out both}
  .cell.last.hit::after{animation-delay:.12s}
  .cell.last.miss::before{animation:pop .25s ease-out both}
}
@keyframes stroke{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes pop{from{transform:scale(.2);opacity:0}to{transform:scale(1);opacity:.8}}
.fleetlist{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-auto-rows:1.6em;gap:6px;font-size:.95rem;min-height:calc(var(--n,5)*(1.6em + 6px))}
.fleetlist li{display:flex;align-items:center;gap:10px;max-width:none}
.fleetlist .sq{display:inline-flex;gap:2px;min-width:74px}
.fleetlist .sq i{width:12px;height:12px;border:1.5px solid var(--ink);background:color-mix(in srgb,var(--ink) 18%,var(--board))}
.fleetlist li.down{color:var(--red);text-decoration:line-through}
.fleetlist li.down .sq i{border-color:var(--red);background:color-mix(in srgb,var(--red) 30%,var(--board))}
.under{display:flex;flex-wrap:wrap;gap:28px 56px;margin-top:34px}
.under h2.small{margin:0 0 6px;font-size:1.08rem}
.log ol{list-style:none;margin:0;padding:0;height:9em;overflow:auto;min-width:min(100%,300px);font-variant-numeric:tabular-nums}
.log li{padding:1px 0}
.log li b{font-weight:650}
.log li.h b{color:var(--red)}
.log .empty{color:var(--soft)}
.tally p{margin:0;min-height:1.7em}
.tally .num{font-family:var(--hand);color:var(--ink);font-size:1.3rem}
.tally .acc{color:var(--soft)}

/* Contenu */
ol.steps{padding-left:1.3em;margin:0;display:grid;gap:10px}
ol.steps li::marker{color:var(--ink);font-weight:650}
.say{font-family:var(--hand);color:var(--ink);font-size:.95em;white-space:nowrap}
.say.r{color:var(--red)}
.tablewrap{overflow-x:auto;max-width:100%;margin:14px 0}
table{border-collapse:collapse;background:var(--board);border:2px solid var(--ink);font-variant-numeric:tabular-nums}
caption{text-align:left;color:var(--soft);font-size:.92rem;padding:0 0 6px}
th,td{text-align:left;padding:9px 16px;border-bottom:1px solid var(--rule-strong);white-space:nowrap}
td.wrap,th.wrap{white-space:normal;min-width:16em}
th{font-weight:650;color:var(--ink)}
tr:last-child td{border-bottom:0}
.sq{display:inline-flex;gap:3px;vertical-align:middle}
td .sq i{width:18px;height:18px;border:1.5px solid var(--ink);background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--ink) 60%,transparent) 0 1.5px,transparent 1.5px 5px)}
.tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:4px 48px;max-width:980px}
.tips p{margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px 28px;margin:18px 0;padding:0;list-style:none;max-width:1000px}
.cards li{background:var(--board);border:2px solid var(--ink);border-radius:6px;padding:14px 18px;max-width:none}
.cards a{font-weight:650;text-decoration:none}
.cards a:hover{text-decoration:underline}
.cards p{margin:4px 0 0;color:var(--soft);font-size:.95rem}
details{max-width:68ch;border-bottom:1px solid var(--rule-strong);padding:12px 0}
summary{cursor:pointer;font-weight:650;margin-left:1.1em;list-style-position:outside}
summary::marker{color:var(--ink)}
details p{margin:8px 0 2px 1.1em}

/* Grilles d'illustration (cartes de chaleur, schémas) */
.figs{display:flex;flex-wrap:wrap;gap:28px 48px;margin:18px 0}
figure{margin:0}
figcaption{color:var(--soft);font-size:.92rem;margin-top:8px;max-width:30em}
.hm{display:grid;grid-template-columns:repeat(10,var(--h,32px));grid-auto-rows:var(--h,32px);border:2px solid var(--ink);width:max-content;font:500 .72rem/1 var(--text);font-variant-numeric:tabular-nums}
.hm i{display:grid;place-items:center;font-style:normal;border-right:1px solid var(--rule-strong);border-bottom:1px solid var(--rule-strong);background:color-mix(in srgb,var(--ink) var(--p,0%),var(--board))}
.hm .s{background:repeating-linear-gradient(-45deg,color-mix(in srgb,var(--ink) 60%,transparent) 0 1.5px,transparent 1.5px 6px),color-mix(in srgb,var(--ink) 9%,var(--board));box-shadow:inset 0 0 0 1.5px var(--ink)}
.hm .x{color:var(--red);font-weight:700;font-size:1rem}
.hm .o{color:var(--ink);font-size:1rem}
.hm .k{background:color-mix(in srgb,var(--red) 12%,var(--board))}
@media (max-width:420px){.hm{--h:27px}}

/* Grille à imprimer */
.sheet{display:flex;flex-wrap:wrap;gap:28px 48px;margin:22px 0}
.pg{border-collapse:collapse;background:var(--board);border:2px solid var(--ink)}
.pg th,.pg td{width:30px;height:30px;padding:0;text-align:center;border:1px solid var(--rule-strong);font-size:.8rem;color:var(--soft);font-weight:500}
.pg thead th:first-child{border:0}
.sheet h3{margin:0 0 8px}
.tracker{list-style:none;padding:0;margin:10px 0 0;font-size:.9rem;display:grid;gap:4px}
.tracker li::before{content:"";display:inline-block;width:13px;height:13px;border:1.5px solid var(--pencil);margin-right:8px;vertical-align:-2px}

footer{margin-top:80px;padding:26px 0 44px;border-top:2px solid var(--ink);color:var(--soft);font-size:.95rem}
.fcols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:18px 36px}
.fcols b{display:block;color:var(--pencil);margin-bottom:4px}
.fcols ul{list-style:none;margin:0;padding:0}
.fcols li{padding:3px 0}
footer .legal{margin-top:24px}

@media print{
  body{background:none;font-size:11pt}
  body::before,.top,.crumbs,footer,.noprint,.skip{display:none!important}
  .page{padding:0}
  .sheet{gap:10mm 14mm;margin:4mm 0;break-inside:avoid}
  .pg th,.pg td{width:7.2mm;height:7.2mm}
  h1{font-size:18pt;margin:0 0 2mm}
  a{color:inherit;text-decoration:none}
}
kbd{font:600 .85em/1 var(--text);border:1.5px solid var(--soft);border-bottom-width:3px;border-radius:4px;padding:2px 6px;background:var(--board)}
code{font-size:.9em;background:var(--board);border:1px solid var(--rule-strong);padding:1px 5px;border-radius:3px}
.glossary{max-width:68ch;margin:0}
.glossary dt{font-weight:650;color:var(--ink);margin-top:18px}
.glossary dd{margin:2px 0 0}