/* ── IA & ÉTHIQUE — Cyber Dark Blue ── */
:root{--c:#00d4ff;--b:#0ea5e9;--dk:#020817;--card:#0f172a;--br:#1e293b;--txt:#e2e8f0;--mid:#94a3b8}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',Consolas,monospace;background:var(--dk);background-image:radial-gradient(ellipse at 20% 50%,rgba(14,165,233,.06) 0%,transparent 55%),radial-gradient(ellipse at 80% 20%,rgba(0,212,255,.04) 0%,transparent 55%);color:var(--txt);min-height:100vh}
#progress-bar{position:fixed;top:0;left:0;height:2px;background:var(--c);z-index:999;box-shadow:0 0 8px var(--c)}
header{background:rgba(15,23,42,.95);border-bottom:1px solid var(--br);backdrop-filter:blur(10px)}
.banner-stripe{height:1px;background:linear-gradient(90deg,transparent,var(--c),var(--b),var(--c),transparent)}
.header-inner{display:flex;align-items:center;gap:16px;padding:14px 32px}
.crest{width:50px;height:50px;border:1px solid var(--c);border-radius:4px;background:rgba(0,212,255,.06);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:0 0 14px rgba(0,212,255,.18)}
.header-text h1{font-size:clamp(1.1rem,3vw,1.8rem);color:var(--c);font-family:Consolas,monospace;letter-spacing:2px;text-shadow:0 0 18px rgba(0,212,255,.45)}
.header-text .sub{color:var(--mid);font-size:.76rem;letter-spacing:1px;font-family:Consolas,monospace;margin-top:2px}
.header-right{margin-left:auto;display:flex;gap:7px}
.btn-nav{padding:4px 11px;background:rgba(0,212,255,.06);border:1px solid rgba(0,212,255,.28);color:var(--c);border-radius:4px;font-size:.74rem;text-decoration:none;font-family:Consolas,monospace;transition:.15s}
.btn-nav:hover{background:rgba(0,212,255,.12)}
.breadcrumb{background:var(--card);padding:6px 32px;font-size:.76rem;color:var(--mid);border-bottom:1px solid var(--br);font-family:Consolas,monospace}
.breadcrumb a{color:var(--c);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{margin:0 5px;color:#334155}.breadcrumb .cur{color:var(--txt)}
.container{max-width:960px;margin:20px auto;padding:0 16px}
.notebook{background:var(--card);border:1px solid var(--br);border-radius:6px;box-shadow:0 0 40px rgba(0,212,255,.05),0 4px 24px rgba(0,0,0,.5);overflow:hidden}
.tabs{display:flex;background:rgba(30,41,59,.5);border-bottom:1px solid var(--br);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{padding:10px 15px;font-size:.75rem;color:#475569;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;transition:.15s;margin-bottom:-1px;font-family:Consolas,monospace;letter-spacing:.5px}
.tab-btn:hover{color:var(--mid)}.tab-btn.active{color:var(--c);border-bottom-color:var(--c);text-shadow:0 0 7px rgba(0,212,255,.45)}
.tab-panel{display:none}.tab-panel.active{display:block}
.section-label{padding:7px 20px;background:rgba(30,41,59,.5);border-top:1px solid var(--br);border-bottom:1px solid var(--br);font-size:.68rem;color:var(--c);letter-spacing:2px;text-transform:uppercase;font-family:Consolas,monospace;display:flex;align-items:center;gap:6px}
.intro-block{padding:18px 22px;font-size:.93rem;color:#cbd5e1;line-height:1.8;border-bottom:1px solid var(--br)}
.intro-block strong{color:var(--c)}
.facts-bar{display:flex;flex-wrap:wrap;gap:7px;padding:11px 20px;border-bottom:1px solid var(--br)}
.fact-chip{background:rgba(14,165,233,.07);border:1px solid rgba(14,165,233,.22);border-radius:4px;padding:4px 10px;font-size:.73rem;display:flex;gap:5px;font-family:Consolas,monospace}
.fact-chip .label{color:#475569}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:9px;padding:12px 18px}
.file-card{display:flex;gap:11px;padding:11px 13px;background:rgba(30,41,59,.5);border:1px solid var(--br);border-radius:4px;transition:.15s}
.file-card:hover{border-color:var(--c);box-shadow:0 0 10px rgba(0,212,255,.09)}
.file-card .fi{font-size:1.4rem;flex-shrink:0}.file-card .fn{font-size:.86rem;font-weight:600;color:var(--c);margin-bottom:3px;font-family:Consolas,monospace}.file-card .fd{font-size:.76rem;color:var(--mid);line-height:1.5}
.file-card .tag{display:inline-block;margin-top:4px;font-size:.62rem;padding:1px 6px;border:1px solid rgba(0,212,255,.2);color:var(--c);font-family:Consolas,monospace}
.accordion{padding:9px 18px 13px}
.acc-item{border:1px solid var(--br);margin-bottom:5px;background:rgba(30,41,59,.3);overflow:hidden}
.acc-head{display:flex;align-items:center;gap:8px;padding:9px 13px;cursor:pointer;transition:.12s}
.acc-head:hover{background:rgba(0,212,255,.03)}
.acc-head .acc-icon{font-size:1.1rem;flex-shrink:0}.acc-head .acc-title{font-size:.85rem;font-weight:500;flex:1;font-family:Consolas,monospace}
.acc-head .acc-arrow{font-size:.68rem;color:#475569;transition:transform .2s}
.acc-item.open .acc-arrow{transform:rotate(90deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 13px;font-size:.82rem;color:var(--mid);line-height:1.7}
.acc-item.open .acc-body{max-height:400px;padding:0 13px 11px}
.debate-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:12px 18px 17px}
.debate-card{padding:13px 15px;border-radius:4px}
.debate-card.pour{background:rgba(5,150,105,.09);border:1px solid rgba(52,211,153,.28)}.debate-card.contre{background:rgba(220,38,38,.07);border:1px solid rgba(248,113,113,.28)}
.debate-card h3{font-size:.71rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px;font-family:Consolas,monospace}
.debate-card.pour h3{color:#34d399}.debate-card.contre h3{color:#f87171}
.debate-card ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.debate-card li{font-size:.81rem;color:var(--mid);padding-left:16px;position:relative;line-height:1.5}
.debate-card li::before{position:absolute;left:0;font-weight:900}
.debate-card.pour li::before{content:'✓';color:#34d399}.debate-card.contre li::before{content:'✗';color:#f87171}
.thinkers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:9px;padding:12px 18px 18px}
.thinker-card{perspective:700px;height:145px;cursor:pointer}
.thinker-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s}
.thinker-card:hover .thinker-inner,.thinker-card.flipped .thinker-inner{transform:rotateY(180deg)}
.thinker-front,.thinker-back{position:absolute;inset:0;backface-visibility:hidden;border:1px solid var(--br);padding:12px;background:rgba(15,23,42,.85)}
.thinker-back{transform:rotateY(180deg);background:rgba(0,212,255,.07);border-color:rgba(0,212,255,.28);display:flex;flex-direction:column;justify-content:center}
.thinker-front .year{display:inline-block;background:rgba(0,212,255,.1);color:var(--c);font-size:.62rem;padding:1px 7px;border:1px solid rgba(0,212,255,.2);margin-bottom:5px;font-family:Consolas,monospace}
.thinker-front .name{font-size:.87rem;font-weight:600;color:var(--txt);margin-bottom:3px;font-family:Consolas,monospace}.thinker-front .work{font-size:.73rem;color:var(--mid)}.thinker-front .hint{font-size:.61rem;color:#334155;margin-top:5px}
.thinker-back .name{font-size:.83rem;font-weight:600;color:var(--c);margin-bottom:4px;font-family:Consolas,monospace}.thinker-back .desc{font-size:.75rem;color:rgba(226,232,240,.82);line-height:1.5}
.timeline{padding:12px 18px 18px;position:relative}
.timeline::before{content:'';position:absolute;left:45px;top:12px;bottom:18px;width:1px;background:var(--br)}
.tl-item{display:flex;gap:11px;margin-bottom:13px}
.tl-year{flex-shrink:0;width:30px;text-align:right;font-size:.69rem;color:var(--c);padding-top:2px;font-family:Consolas,monospace;text-shadow:0 0 5px rgba(0,212,255,.35)}
.tl-dot{flex-shrink:0;width:10px;height:10px;border-radius:50%;background:var(--c);box-shadow:0 0 5px var(--c);margin-top:3px;z-index:1}
.tl-content .tl-title{font-size:.83rem;font-weight:600;margin-bottom:1px}.tl-content .tl-desc{font-size:.75rem;color:var(--mid);line-height:1.5}
.glossary{padding:11px 18px 17px;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:7px}
.gloss-item{background:rgba(30,41,59,.4);border:1px solid var(--br);border-left:2px solid var(--c);padding:9px 11px}
.gloss-item dt{font-size:.8rem;color:var(--c);margin-bottom:2px;font-family:Consolas,monospace}.gloss-item dd{font-size:.75rem;color:var(--mid);line-height:1.5}
.related{padding:11px 18px 17px;display:flex;flex-wrap:wrap;gap:6px}
.rel-chip{padding:4px 11px;background:rgba(14,165,233,.06);border:1px solid rgba(14,165,233,.22);font-size:.76rem;color:var(--c);text-decoration:none;font-family:Consolas,monospace;transition:.15s;border-radius:2px}
.rel-chip:hover{background:rgba(0,212,255,.12)}
.quiz-block{padding:11px 18px 17px}
.quiz-q{background:rgba(30,41,59,.4);border:1px solid var(--br);margin-bottom:9px;overflow:hidden}
.quiz-q-text{padding:10px 13px;font-size:.85rem;font-weight:500;border-bottom:1px solid var(--br);font-family:Consolas,monospace}
.quiz-options{padding:7px 11px;display:flex;flex-direction:column;gap:5px}
.quiz-opt{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--br);cursor:pointer;font-size:.81rem;color:var(--mid);transition:.12s;font-family:Consolas,monospace}
.quiz-opt:hover{background:rgba(0,212,255,.04);border-color:rgba(0,212,255,.28);color:var(--c)}.quiz-opt.correct{background:rgba(52,211,153,.09);border-color:rgba(52,211,153,.4);color:#34d399}.quiz-opt.wrong{background:rgba(248,113,113,.09);border-color:rgba(248,113,113,.4);color:#f87171}.quiz-opt.revealed{pointer-events:none}
.quiz-expl{display:none;padding:5px 13px 9px;font-size:.77rem;color:var(--mid);line-height:1.5;border-top:1px dashed var(--br)}
.quiz-q.answered .quiz-expl{display:block}
@media(max-width:660px){.debate-grid{grid-template-columns:1fr}.header-right{display:none}.header-inner{padding:12px 14px}}