/* ═══════════════════════════════════════════════════════════════════
   algerie.css — Thème : zellige vert / blanc, Sahara ocre, étoiles berbères
   ═══════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#1a2f28;
  --paper:#fbf8f0;                 /* blanc chaulé */
  --paper-2:#f5ebd4;               /* sable saharien */
  --green:#0d6940;                 /* vert islamique du drapeau */
  --green-d:#08472a;
  --green-l:#2a9560;
  --ochre:#c47f2a;                 /* ocre du Sahara */
  --ochre-d:#8f5a1c;
  --red:#a92b1f;                   /* étendard algérien */
  --line:rgba(26,47,40,.14);
  --muted:#5a6560;
  --fd:'Amiri',Georgia,serif;
  --fb:'Inter',system-ui,sans-serif;
  --fm:'JetBrains Mono',monospace;
  --sw:290px;--r:3px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--paper);color:var(--ink);font-size:16.5px;line-height:1.75;
  background-image:
    radial-gradient(circle at 90% 10%,rgba(196,127,42,.06) 0,transparent 45%),
    radial-gradient(circle at 10% 90%,rgba(13,105,64,.05) 0,transparent 45%);
  background-attachment:fixed;
}
/* bandeau motif zellige étoilé en haut */
body::before{
  content:'';position:fixed;top:0;left:0;right:0;height:8px;z-index:10;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 8'><g fill='%230d6940'><polygon points='5,4 7,0 9,4 7,8'/><polygon points='7,4 11,2 11,6'/><polygon points='7,4 3,2 3,6'/></g><g fill='%23c47f2a' transform='translate(30,0)'><polygon points='5,4 7,0 9,4 7,8'/><polygon points='7,4 11,2 11,6'/><polygon points='7,4 3,2 3,6'/></g></svg>");
  background-repeat:repeat-x;background-size:60px 8px;
}

.progress-bar{position:fixed;top:8px;left:0;height:3px;width:0;z-index:200;background:var(--green)}

.page-layout{display:flex;min-height:100vh;padding-top:8px}
.sidebar{width:var(--sw);flex-shrink:0;background:var(--paper);border-right:1px solid var(--line);
  position:sticky;top:8px;height:calc(100vh - 8px);overflow-y:auto;display:flex;flex-direction:column}
.sidebar-header{padding:32px 24px 24px;background:var(--green);color:var(--paper);position:relative;
  background-image:
    repeating-linear-gradient(45deg,transparent 0,transparent 12px,rgba(255,255,255,.04) 12px,rgba(255,255,255,.04) 24px)}
.sidebar-header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--ochre) 0%,var(--ochre) 50%,var(--red) 50%,var(--red) 100%)}
.sidebar-back{display:block;font-family:var(--fm);font-size:.62rem;letter-spacing:.2em;
  text-decoration:none;color:rgba(255,255,255,.75);margin-bottom:14px;text-transform:uppercase;font-weight:500}
.sidebar-back:hover{color:#fff}
.sidebar-title{font-family:var(--fd);font-size:2.3rem;line-height:1;color:#fff;font-weight:700;letter-spacing:-.01em}
.toc-nav{padding:16px 0;flex:1}
.toc-section-label{font-family:var(--fm);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);padding:12px 24px 6px;font-weight:600}
.toc-link{display:block;padding:7px 24px;color:var(--ink);text-decoration:none;
  font-size:.9rem;font-weight:400;border-left:3px solid transparent;transition:all .18s}
.toc-link:hover,.toc-link.active{background:rgba(13,105,64,.08);border-left-color:var(--green);color:var(--green-d);font-weight:600}
.sidebar-nav{padding:16px 24px 24px;border-top:1px solid var(--line)}
.sidebar-nav p{font-family:var(--fm);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin:10px 0 8px;font-weight:600}
.sidebar-nav a{display:block;text-decoration:none;color:var(--ink);padding:3px 0;font-size:.88rem}
.sidebar-nav a:hover{color:var(--green)}
.sidebar-nav a.current{color:var(--green);font-weight:700}

.main{flex:1;min-width:0;max-width:920px;padding:0 60px 100px}
.page-header{padding:62px 30px 42px;margin-bottom:44px;background:var(--paper-2);
  border-left:6px solid var(--green);border-right:6px solid var(--ochre);position:relative}
.page-header::before{content:'﷽';position:absolute;top:14px;right:18px;font-family:var(--fd);
  color:rgba(13,105,64,.12);font-size:2.2rem}
.subject-tag{font-family:var(--fm);font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--green-d);margin-bottom:14px;font-weight:600}
.page-title{font-family:var(--fd);font-size:4.4rem;line-height:.96;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.page-title .sub{display:block;font-size:1.1rem;font-family:var(--fd);letter-spacing:.02em;
  color:var(--ochre-d);margin-top:10px;font-weight:400;font-style:italic}
.page-intro{margin-top:20px;max-width:660px;color:var(--muted);font-size:1.06rem;line-height:1.72}

.section{margin-bottom:60px;scroll-margin-top:22px}
.section-title{display:flex;align-items:baseline;gap:14px;font-family:var(--fd);font-size:2.3rem;
  font-weight:700;padding-bottom:10px;margin-bottom:22px;border-bottom:2px solid var(--green);color:var(--ink)}
.section-title .num{font-family:var(--fm);font-size:.68rem;color:var(--paper);font-weight:700;
  background:var(--green);padding:5px 11px;letter-spacing:.12em;border-radius:2px}

.box{margin:16px 0;padding:20px 22px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.box-label{display:block;font-family:var(--fm);font-size:.6rem;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:10px;font-weight:700}
.box.def{background:#fff;border-left:4px solid var(--green)}
.box.def .box-label{color:var(--green-d)}
.box.histoire{background:var(--paper-2);border-left:4px solid var(--ochre)}
.box.histoire .box-label{color:var(--ochre-d)}
.box.technique{background:#f2ece0;border-left:4px solid var(--muted)}
.box.technique .box-label{color:var(--muted)}
.box.attention{background:#faebe8;border-left:4px solid var(--red)}
.box.attention .box-label{color:var(--red)}
.box.remark{background:transparent;border:none;border-left:3px solid var(--ochre);padding-left:20px}
.box.remark .box-label{color:var(--ochre-d)}
.box.chiffres{background:var(--green-d);color:#fff;border:none;
  border-top:6px solid var(--ochre)}
.box.chiffres .box-label{color:var(--ochre-d)}
.box.chiffres p,.box.chiffres li{color:rgba(255,255,255,.92)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
p{margin-bottom:.9em}ul{padding-left:1.4em;margin-bottom:.9em}li{margin-bottom:.3em}
strong{color:var(--green-d);font-weight:700}

.data-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.88rem;background:#fff}
.data-table th{background:var(--green);color:#fff;padding:11px 14px;text-align:left;
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.data-table td{padding:9px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.data-table tr:last-child td{border-bottom:none}
.data-table td:first-child{font-weight:600;color:var(--green-d)}
.box.chiffres .data-table th{background:rgba(0,0,0,.25);color:var(--ochre)}
.box.chiffres .data-table td{border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.92)}
.box.chiffres .data-table td:first-child{color:var(--ochre)}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.two-col .box{margin:0}

.mobile-header{display:none;position:sticky;top:8px;z-index:50;background:var(--green);color:#fff;
  padding:12px 18px;align-items:center;justify-content:space-between;border-bottom:3px solid var(--ochre)}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer}
.mobile-title{font-family:var(--fd);font-size:1.2rem;font-weight:700}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:100}
.mobile-drawer.open{display:flex}
.drawer-overlay{position:absolute;inset:0;background:rgba(0,0,0,.7)}
.drawer-panel{position:relative;z-index:1;width:280px;background:var(--paper);height:100%;
  overflow-y:auto;padding:14px 0;border-right:4px solid var(--green)}
@media(max-width:960px){
  .sidebar{display:none}.mobile-header{display:flex}.main{padding:0 20px 72px}
  .page-title{font-size:2.7rem}.two-col{grid-template-columns:1fr}
}