/* ==========================================================================
   CAPORAL SPP — design system
   Palette : nuit (tenue de service), rouge feu (engins), jaune haute-visibilité
   (bandes rétro-réfléchissantes, avec parcimonie), alu (échelles / ARI), béton.
   Type : Barlow Condensed (lettrage des engins) / IBM Plex Sans / IBM Plex Mono.
   ========================================================================== */

@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/barlow-condensed-600-normal.woff2') format('woff2');}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/barlow-condensed-700-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-mono-500-normal.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:italic;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-sans-400-italic.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;src:url('../fonts/ibm-plex-sans-400-normal.woff2') format('woff2');}

:root{
  --nuit:#0F1B2D; --nuit-2:#1B2B45; --nuit-3:#26385A;
  --rouge:#B5241C; --rouge-2:#8E1A14; --rouge-soft:#F6E3E1;
  --hv:#F5D60C; --hv-ink:#3B3300;
  --alu:#C7CCD3; --alu-2:#E3E6EA;
  --beton:#EEF0F3; --blanc:#FFFFFF;
  --ok:#1E7B4A; --ok-bg:#E4F3EA; --ko:#B5241C; --ko-bg:#FBE7E5; --warn-bg:#FFF6D6;

  --bg:var(--beton); --surface:var(--blanc); --surface-2:#F7F8FA; --text:#14213D; --muted:#5B6478;
  --border:#D5D9E0; --border-strong:#B9C0CB; --brand:var(--rouge); --brand-ink:#FFFFFF;
  --link:#8E1A14;
  --font-display:'Barlow Condensed','Arial Narrow',Impact,'Helvetica Neue',Arial,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,Consolas,'SF Mono',monospace;
  --radius:6px; --radius-lg:10px;
  --shadow:0 1px 2px rgba(15,27,45,.06),0 10px 30px -18px rgba(15,27,45,.25);
  --topbar-h:58px; --sidebar-w:264px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
[data-theme="dark"]{
  --bg:#0B1424; --surface:#132038; --surface-2:#182845; --text:#E8ECF2; --muted:#9AA6BB;
  --border:#2A3A57; --border-strong:#3A4D6E; --brand:#DA382D; --link:#FF9A92;
  --rouge-soft:#3A1512; --alu-2:#1B2B45;
  --ok:#43C27F; --ok-bg:#0F2E1D; --ko:#FF7A70; --ko-bg:#3A1512; --warn-bg:#3A3210; --hv-ink:#F5D60C;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 30px -18px rgba(0,0,0,.6);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);font-feature-settings:"kern","liga"}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:2px}
button{font:inherit;color:inherit}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:8px;top:-60px;background:var(--nuit);color:#fff;padding:8px 12px;border-radius:var(--radius);z-index:100}
.skip:focus{top:8px}
:focus-visible{outline:3px solid var(--hv);outline-offset:2px;box-shadow:0 0 0 6px var(--nuit)}
[data-theme="dark"] :focus-visible{box-shadow:0 0 0 6px #000}

h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;line-height:1.05;margin:0 0 .4em;font-weight:700;color:var(--text)}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.45rem;font-weight:600}
h4{font-size:1.15rem;font-weight:600;letter-spacing:.04em}
p{margin:0 0 1em}
.mono{font-family:var(--font-mono);font-size:.9em}
.muted{color:var(--muted)}
.eyebrow{font-family:var(--font-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);display:inline-flex;align-items:center;gap:.5em}
.eyebrow::before{content:"";width:12px;height:2px;background:var(--brand)}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:50;height:var(--topbar-h);display:flex;align-items:center;gap:14px;padding:0 16px;background:var(--nuit);color:#fff;border-bottom:3px solid var(--rouge)}
.topbar .iconbtn{background:transparent;border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:var(--radius);width:38px;height:38px;display:inline-grid;place-items:center;cursor:pointer;flex:none}
.topbar .iconbtn:hover{background:rgba(255,255,255,.08)}
.topbar .menu-toggle{display:none}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:none}
.brand-bg{fill:#fff}.brand-chev{fill:var(--rouge)}
.brand-title{display:block;font-family:var(--font-display);font-weight:700;font-size:1.35rem;letter-spacing:.06em;text-transform:uppercase;line-height:1}
.brand-sub{display:block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:#C7CCD3;margin-top:3px}
.search{flex:1;display:flex;align-items:center;gap:8px;max-width:520px;margin:0 auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:0 10px;height:38px;color:#C7CCD3}
.search input{flex:1;background:transparent;border:0;color:#fff;font:inherit;font-size:.95rem;min-width:0;outline:none}
.search input::placeholder{color:#8A94A6}
.search:focus-within{border-color:var(--hv);box-shadow:0 0 0 3px rgba(245,214,12,.25)}
.galon{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;padding:4px 10px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.14);flex:none}
.galon:hover{background:rgba(255,255,255,.08)}
.galon-chevrons{display:inline-flex;flex-direction:column;gap:3px;width:26px}
.galon-chevrons i{display:block;height:7px;clip-path:polygon(0 100%,50% 0,100% 100%,100% 60%,50% -40%,0 60%);background:rgba(255,255,255,.15)}
.galon-chevrons i.on{background:var(--rouge)}
.galon-text{display:flex;flex-direction:column;line-height:1.05}
.galon-text span:first-child{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:1rem}
.galon-text span:last-child{font-family:var(--font-mono);font-size:.68rem;color:#C7CCD3}
.ico-moon{display:none}[data-theme="dark"] .ico-moon{display:block}[data-theme="dark"] .ico-sun{display:none}

/* ---------- Layout ---------- */
.app{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:calc(100vh - var(--topbar-h))}
.sidebar{background:var(--surface);border-right:1px solid var(--border);position:sticky;top:var(--topbar-h);height:calc(100vh - var(--topbar-h));overflow-y:auto}
.sidebar-inner{padding:18px 14px 40px}
.nav-title{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:6px 10px;margin-top:14px}
.nav-title:first-child{margin-top:0}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius);color:var(--text);text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.nav-item:hover{background:var(--surface-2)}
.nav-item.active{background:var(--rouge-soft);color:var(--text)}
.nav-item.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--brand);border-radius:2px}
.nav-code{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;color:#fff;background:var(--nuit);padding:2px 5px;border-radius:3px;min-width:44px;text-align:center;flex:none}
[data-theme="dark"] .nav-code{background:var(--nuit-3)}
.nav-item .nav-pct{margin-left:auto;font-family:var(--font-mono);font-size:.68rem;color:var(--muted)}
.nav-sub{display:flex;flex-direction:column;gap:2px;margin:2px 0 6px 0;padding-left:14px;border-left:1px dashed var(--border);margin-left:20px}
.nav-sub a{font-size:.86rem;padding:5px 8px;color:var(--muted);text-decoration:none;border-radius:4px;display:flex;gap:8px;align-items:center}
.nav-sub a:hover{background:var(--surface-2);color:var(--text)}
.nav-sub a.active{color:var(--text);font-weight:600}
.nav-sub .dot{width:7px;height:7px;border-radius:50%;background:var(--border-strong);flex:none}
.nav-sub .dot.done{background:var(--ok)}
.scrim{position:fixed;inset:var(--topbar-h) 0 0 0;background:rgba(15,27,45,.5);z-index:39}
.main{padding:clamp(18px,3.5vw,44px) clamp(16px,4vw,56px) 80px;min-width:0}
.main:focus{outline:none}
.wrap{max-width:900px;margin:0 auto}
.wrap-wide{max-width:1120px;margin:0 auto}

/* ---------- Cards / buttons ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow)}
.card + .card{margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:var(--radius);border:1px solid var(--nuit);background:var(--nuit);color:#fff;font-weight:600;font-size:.95rem;cursor:pointer;text-decoration:none;line-height:1.2;transition:transform .12s var(--ease),background .12s}
.btn:hover{background:var(--nuit-2)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--brand);border-color:var(--brand)}
.btn.primary:hover{background:var(--rouge-2);border-color:var(--rouge-2)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:6px 10px;font-size:.85rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{display:inline-block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:3px;background:var(--alu-2);color:var(--text)}
.tag.red{background:var(--rouge-soft);color:var(--rouge-2)}
[data-theme="dark"] .tag.red{color:#FFB4AD}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.tag.hv{background:var(--hv);color:var(--hv-ink)}
[data-theme="dark"] .tag.hv{color:#1a1600}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:.8rem;color:var(--muted)}
hr.rule{border:0;border-top:1px solid var(--border);margin:28px 0}

/* ---------- Home hero ---------- */
.hero{position:relative;background:var(--nuit);color:#fff;border-radius:var(--radius-lg);padding:clamp(26px,4vw,48px);overflow:hidden;isolation:isolate}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:10px;background:repeating-linear-gradient(135deg,var(--hv) 0 14px,var(--nuit) 14px 28px);opacity:.95}
.hero .eyebrow{color:#C7CCD3}.hero .eyebrow::before{background:var(--hv)}
.hero h1{color:#fff;margin:.2em 0 .25em;max-width:22ch}
.hero h1 em{font-style:normal;color:var(--hv)}
.hero p.lead{font-size:1.08rem;color:#D5D9E0;max-width:60ch;margin-bottom:22px}
.hero-chevrons{position:absolute;right:clamp(10px,4vw,48px);top:26px;width:clamp(90px,14vw,170px);opacity:.95;z-index:-1}
.hero-chevrons path{fill:none;stroke:var(--rouge);stroke-width:14;stroke-linejoin:miter;stroke-dasharray:400;stroke-dashoffset:0}
.anim .hero-chevrons path{animation:draw 1.1s var(--ease) both}
.anim .hero-chevrons path:nth-child(2){animation-delay:.25s}
@keyframes draw{from{stroke-dashoffset:400}to{stroke-dashoffset:0}}

/* piste des épreuves : la largeur de chaque segment = son poids réel dans la note finale */
.piste{margin-top:8px}
.piste-track{display:flex;gap:4px;height:64px;border-radius:6px;overflow:hidden}
.piste-seg{position:relative;display:flex;flex-direction:column;justify-content:center;padding:8px 12px;color:#fff;text-decoration:none;min-width:0;transition:filter .15s}
.piste-seg:hover{filter:brightness(1.12)}
.piste-seg .n{font-family:var(--font-display);font-size:1.15rem;text-transform:uppercase;letter-spacing:.04em;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.piste-seg .c{font-family:var(--font-mono);font-size:.7rem;color:rgba(255,255,255,.8);margin-top:4px;white-space:nowrap}
.piste-seg.s1{background:#2E4A7A}.piste-seg.s2{background:#2E4A7A}.piste-seg.s3{background:var(--rouge)}.piste-seg.s4{background:#8E1A14}
.piste-legend{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.7rem;color:#C7CCD3;margin-top:8px;letter-spacing:.06em;text-transform:uppercase}
.piste-legend span+span{text-align:right}

.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.mod-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text);position:relative;transition:transform .15s var(--ease),box-shadow .15s}
.mod-card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(15,27,45,.06),0 16px 34px -18px rgba(15,27,45,.35)}
.mod-card h3{margin:0;font-size:1.5rem}
.mod-card .desc{color:var(--muted);font-size:.93rem;margin:0;flex:1}
.mod-card .meta{display:flex;gap:14px;font-family:var(--font-mono);font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.mod-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.bar{height:6px;background:var(--alu-2);border-radius:3px;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--brand);border-radius:3px;width:0;transition:width .6s var(--ease)}
.bar.ok > i{background:var(--ok)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:36px 0 14px;flex-wrap:wrap}
.section-head h2{margin:0}

/* ---------- Module page ---------- */
.page-head{margin-bottom:22px}
.page-head h1{margin:.15em 0 .2em}
.page-head .lead{font-size:1.06rem;color:var(--muted);max-width:66ch}
.list{display:flex;flex-direction:column;gap:8px}
.row-item{display:flex;align-items:center;gap:14px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);transition:border-color .12s,background .12s}
.row-item:hover{border-color:var(--border-strong);background:var(--surface-2)}
.row-item .num{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);min-width:2.2em}
.row-item .ttl{font-weight:600;flex:1;min-width:0}
.row-item .ttl small{display:block;font-weight:400;color:var(--muted);font-size:.85rem;margin-top:2px}
.row-item .state{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);white-space:nowrap}
.row-item .state.done{color:var(--ok)}
.check{width:20px;height:20px;border-radius:50%;border:2px solid var(--border-strong);display:inline-grid;place-items:center;flex:none;color:#fff;font-size:12px}
.check.done{background:var(--ok);border-color:var(--ok)}
.check.done::after{content:"✓"}

/* ---------- Lesson ---------- */
.lesson{max-width:800px}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:36px;flex-wrap:wrap}
.crumbs{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}
.lesson h1{font-size:clamp(1.9rem,4vw,2.8rem)}
.lesson .body{font-size:1.02rem}
.lesson .body h3{margin-top:2em;padding-top:.6em;border-top:2px solid var(--brand);display:inline-block;padding-right:1em}
.lesson .body h4{margin-top:1.6em;color:var(--muted)}
.lesson .body ul,.lesson .body ol{padding-left:1.4em;margin:0 0 1.1em}
.lesson .body li{margin:.3em 0}
.lesson .body li::marker{color:var(--brand);font-weight:600}
.lesson .body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.93rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.lesson .body th,.lesson .body td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.lesson .body th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--surface-2);color:var(--muted)}
.lesson .body tr:last-child td{border-bottom:0}
.lesson .body code,.k{font-family:var(--font-mono);font-size:.88em;background:var(--alu-2);padding:1px 5px;border-radius:3px}
.callout{border-radius:var(--radius);padding:14px 16px 14px 18px;margin:0 0 1.2em;border-left:4px solid var(--nuit);background:var(--surface)}
.callout .ct{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px;display:block}
.callout.key{border-left-color:var(--brand);background:var(--rouge-soft)}
.callout.key .ct{color:var(--rouge-2)}
[data-theme="dark"] .callout.key .ct{color:#FFB4AD}
.callout.warn{border-left-color:var(--hv);background:var(--warn-bg)}
.callout.warn .ct{color:var(--hv-ink)}
.callout.tip{border-left-color:var(--ok);background:var(--ok-bg)}
.callout.tip .ct{color:var(--ok)}
.callout p:last-child{margin-bottom:0}
.formula{font-family:var(--font-mono);font-size:1rem;background:var(--nuit);color:#fff;padding:12px 16px;border-radius:var(--radius);margin:0 0 1.2em;overflow-x:auto;white-space:pre-wrap}
.formula b{color:var(--hv);font-weight:500}
.ex{border:1px solid var(--border);border-radius:var(--radius);margin:0 0 1.4em;overflow:hidden}
.ex-head{background:var(--surface-2);padding:8px 14px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border)}
.ex-body{padding:12px 14px}
.ex-body ol{margin:0;padding-left:1.3em}
.ex-res{margin-top:8px;padding:8px 12px;background:var(--ok-bg);color:var(--ok);border-radius:4px;font-weight:600}
.figure{margin:0 0 1.4em;text-align:center}
.figure svg{max-width:100%;height:auto}
.figure figcaption{font-size:.84rem;color:var(--muted);margin-top:6px}
.lesson-done{margin-top:28px;padding:16px 18px;border:1px dashed var(--border-strong);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.lesson-done.is-done{border-style:solid;border-color:var(--ok);background:var(--ok-bg)}

/* ---------- Quiz ---------- */
.quiz-setup .opt{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:8px 0 16px}
.radio-card{border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;cursor:pointer;display:flex;gap:10px;align-items:flex-start;background:var(--surface)}
.radio-card:has(input:checked){border-color:var(--nuit);box-shadow:inset 0 0 0 1px var(--nuit);background:var(--surface-2)}
[data-theme="dark"] .radio-card:has(input:checked){border-color:#fff;box-shadow:inset 0 0 0 1px #fff}
.radio-card input{margin-top:3px;accent-color:var(--rouge)}
.radio-card b{display:block}
.radio-card small{color:var(--muted)}
.quiz-bar{position:sticky;top:var(--topbar-h);z-index:5;background:var(--bg);padding:8px 0 10px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.quiz-bar .bar{flex:1;min-width:120px}
.timer{font-family:var(--font-mono);font-size:1.05rem;padding:4px 10px;border-radius:4px;background:var(--nuit);color:#fff;min-width:74px;text-align:center}
.timer.low{background:var(--rouge);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.7}}
.q{margin-top:14px}
.q-head{display:flex;gap:12px;align-items:baseline;margin-bottom:10px}
.q-num{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);letter-spacing:.06em}
.q-text{font-size:1.12rem;font-weight:600;line-height:1.4}
.q-text p{margin:0 0 .5em}
.q-hint{font-size:.82rem;color:var(--muted);font-family:var(--font-mono);margin-bottom:10px}
.choices{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}
.choice{display:flex;gap:12px;align-items:flex-start;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:var(--surface);transition:border-color .1s,background .1s}
.choice:hover{border-color:var(--border-strong);background:var(--surface-2)}
.choice input{margin-top:4px;width:18px;height:18px;accent-color:var(--nuit);flex:none}
.choice .l{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);min-width:1.4em;margin-top:2px}
.choice:has(input:checked){border-color:var(--nuit);box-shadow:inset 0 0 0 1px var(--nuit)}
[data-theme="dark"] .choice:has(input:checked){border-color:#fff;box-shadow:inset 0 0 0 1px #fff}
.choice.correct{border-color:var(--ok);background:var(--ok-bg);box-shadow:inset 0 0 0 1px var(--ok)}
.choice.wrong{border-color:var(--ko);background:var(--ko-bg);box-shadow:inset 0 0 0 1px var(--ko)}
.choice.missed{border-color:var(--ok);border-style:dashed;background:transparent}
.choice .mark{margin-left:auto;font-family:var(--font-mono);font-size:.74rem;white-space:nowrap;flex:none;margin-top:2px}
.choice.correct .mark{color:var(--ok)}.choice.wrong .mark{color:var(--ko)}.choice.missed .mark{color:var(--ok)}
.explain{margin-top:12px;padding:12px 14px;border-radius:var(--radius);background:var(--surface-2);border-left:4px solid var(--nuit);font-size:.95rem}
.explain.good{border-left-color:var(--ok)}.explain.bad{border-left-color:var(--ko)}
.explain .ct{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:4px}
.explain.good .ct{color:var(--ok)}.explain.bad .ct{color:var(--ko)}
.q-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;align-items:center}
.q-actions .spacer{flex:1}
.result{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center}
.score-big{font-family:var(--font-display);font-size:4.2rem;line-height:1;font-weight:700}
.score-big small{font-size:1.4rem;color:var(--muted);font-weight:600}
.result .verdict{font-size:1.05rem}
.review-q{padding:14px 0;border-top:1px solid var(--border)}
.review-q .st{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.review-q .st.ok{color:var(--ok)}.review-q .st.ko{color:var(--ko)}
.doc-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin:0 0 18px;font-size:.98rem;line-height:1.6;max-height:420px;overflow:auto}
.doc-box h4{margin-top:0}
.doc-box p{text-align:left}
.doc-box .src{font-size:.8rem;color:var(--muted);font-style:italic}
details.doc{margin-bottom:16px}
details.doc summary{cursor:pointer;font-weight:600;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
details.doc[open] summary{border-radius:var(--radius) var(--radius) 0 0}
details.doc .doc-box{border-top:0;border-radius:0 0 var(--radius) var(--radius);margin:0}

/* ---------- Flashcards ---------- */
.flash-wrap{max-width:640px;margin:0 auto}
.flash{position:relative;min-height:280px;perspective:1200px;cursor:pointer;border:0;background:transparent;width:100%;padding:0;text-align:left}
.flash-inner{position:relative;width:100%;min-height:280px;transition:transform .5s var(--ease);transform-style:preserve-3d}
.flash.flipped .flash-inner{transform:rotateY(180deg)}
.flash-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-lg);padding:26px 28px;display:flex;flex-direction:column;justify-content:center;gap:10px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}
.flash-face .ct{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.flash-face .fx{font-size:1.25rem;font-weight:600;line-height:1.35}
.flash-face.back{transform:rotateY(180deg);background:var(--nuit);color:#fff;border-color:var(--nuit)}
.flash-face.back .ct{color:var(--hv)}
.flash-face.back .fx{font-weight:500;font-size:1.08rem}
.flash-controls{display:flex;justify-content:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.flash-meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.76rem;color:var(--muted);margin-bottom:10px}

/* ---------- Tools ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;align-items:start}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.field label{font-weight:600;font-size:.9rem}
.field small{color:var(--muted)}
.input,select.input{font:inherit;padding:9px 11px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text);width:100%}
.input:focus{border-color:var(--nuit)}
input[type=range].range{width:100%;accent-color:var(--rouge)}
.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius);overflow:hidden}
.seg button{border:0;background:transparent;padding:8px 14px;cursor:pointer;font-weight:600}
.seg button.on{background:var(--nuit);color:#fff}
.big-num{font-family:var(--font-display);font-size:3.4rem;line-height:1;font-weight:700}
.big-num small{font-size:1.2rem;color:var(--muted)}
.kv{display:grid;grid-template-columns:1fr auto;gap:6px 16px;font-size:.95rem}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-family:var(--font-mono);text-align:right}
.meter{height:12px;border-radius:6px;background:var(--alu-2);overflow:hidden;position:relative}
.meter > i{display:block;height:100%;background:var(--nuit);transition:width .5s var(--ease)}
.meter.ok > i{background:var(--ok)}.meter.ko > i{background:var(--ko)}
.meter .tick{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--rouge)}
.status{display:flex;align-items:center;gap:8px;font-weight:600;padding:8px 12px;border-radius:var(--radius)}
.status.ok{background:var(--ok-bg);color:var(--ok)}.status.ko{background:var(--ko-bg);color:var(--ko)}
.bareme-table{width:100%;border-collapse:collapse;font-size:.9rem}
.bareme-table th,.bareme-table td{padding:6px 10px;border-bottom:1px solid var(--border);text-align:center;font-family:var(--font-mono)}
.bareme-table th{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.bareme-table tr.hl td{background:var(--rouge-soft);font-weight:600}
.clock{font-family:var(--font-mono);font-size:clamp(3rem,10vw,5.4rem);line-height:1;text-align:center;letter-spacing:.02em;padding:20px 0}
.clock.low{color:var(--rouge)}
.segments{display:flex;height:16px;border-radius:8px;overflow:hidden;gap:2px;margin:10px 0 4px}
.segments span{flex:var(--w);background:var(--alu-2);position:relative}
.segments span.on{background:var(--nuit)}
.segments span.now{background:var(--rouge)}
.seg-labels{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;font-size:.8rem;color:var(--muted)}
.steps{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.steps li{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.steps li.on{border-color:var(--ok);background:var(--ok-bg)}
.steps .sn{font-family:var(--font-mono);font-size:.74rem;color:var(--muted);min-width:5em}
.counter{display:inline-flex;align-items:center;gap:8px;margin-left:auto}
.counter button{width:32px;height:32px;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface);cursor:pointer;font-weight:700}
.counter output{font-family:var(--font-mono);min-width:2.5em;text-align:center}
.oral-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px 28px;box-shadow:var(--shadow)}
.oral-card .qq{font-size:1.35rem;font-weight:600;line-height:1.35;margin:6px 0 14px}

/* ---------- Search / progression ---------- */
.res-group h3{margin-top:22px}
.res-item{display:block;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-decoration:none;color:var(--text);margin-bottom:8px}
.res-item:hover{border-color:var(--border-strong)}
.res-item b{display:block}
.res-item small{color:var(--muted);display:block;margin-top:2px}
.res-item mark{background:var(--hv);color:var(--hv-ink);padding:0 2px;border-radius:2px}
[data-theme="dark"] .res-item mark{color:#1a1600}
.grade-card{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.grade-visual{width:110px;height:110px;border-radius:12px;background:var(--nuit);display:grid;place-items:center;flex:none}
.grade-visual svg path{fill:#26385A}
.grade-visual svg path.on{fill:var(--rouge)}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);background:var(--nuit);color:#fff;padding:10px 16px;border-radius:var(--radius);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80;font-size:.95rem;border-left:4px solid var(--hv)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.empty{padding:30px;text-align:center;color:var(--muted);border:1px dashed var(--border-strong);border-radius:var(--radius)}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .app{grid-template-columns:1fr}
  .topbar .menu-toggle{display:inline-grid}
  .sidebar{position:fixed;left:0;top:var(--topbar-h);bottom:0;width:min(86vw,320px);transform:translateX(-102%);transition:transform .25s var(--ease);z-index:40;box-shadow:var(--shadow);height:auto}
  .sidebar.open{transform:none}
  .brand-sub{display:none}
  .galon-text{display:none}
  .galon{padding:6px}
  .search{max-width:none}
}
@media (max-width:640px){
  .search{display:none}
  .hero-chevrons{display:none}
  .hero h1{max-width:none}
  .piste-track{flex-direction:column;height:auto}
  .piste-seg{padding:10px 12px;min-height:46px;flex:none!important}
  .piste-seg .n{white-space:normal}
  .piste-legend{flex-direction:column;gap:2px}
  .piste-legend span+span{text-align:left}
  .topbar{gap:8px}
  .brand-title{font-size:1.15rem}
  .main{padding:16px 14px 70px}
  .result{grid-template-columns:1fr}
  .piste-seg .c{display:block;white-space:normal}
  .piste-seg .n{font-size:1rem}
  .card{padding:16px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .flash-inner{transition:none}
}
@media print{
  .topbar,.sidebar,.lesson-nav,.lesson-done,.btn,.scrim{display:none!important}
  .app{display:block}.main{padding:0}
  body{background:#fff;color:#000}
  .card,.callout,.ex{box-shadow:none;break-inside:avoid}
}