:root{--ink:#16243a;--muted:#657086;--paper:#fff;--bg:#f5f7fb;--primary:#2457d6;--primary-dark:#173e9d;--accent:#f2b84b;--success:#18794e;--danger:#b42318;--line:#dfe4ed;--radius:18px;--shadow:0 12px 35px rgba(25,39,70,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:100;background:#fff;padding:10px}.official-warning{padding:7px 16px;background:#16243a;color:#fff;text-align:center;font-size:.82rem}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{color:var(--ink);font-size:1.4rem;font-weight:850}.brand span{color:var(--primary)}.main-nav{display:flex;align-items:center;gap:24px}.main-nav a,.link-button{font-weight:650}.inline-form{display:inline}.link-button{padding:0;border:0;background:none;color:var(--primary);cursor:pointer}.nav-toggle{display:none}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;background:var(--primary);color:#fff;padding:12px 20px;font-weight:750;cursor:pointer;text-decoration:none;box-shadow:0 5px 15px rgba(36,87,214,.2)}.button:hover{background:var(--primary-dark);text-decoration:none}.button-small{padding:8px 14px}.button-large{padding:15px 24px}.button-secondary{background:#fff;color:var(--primary);border:1px solid var(--line);box-shadow:none}.button-success{background:var(--success)}.hero{padding:82px 0 64px;background:radial-gradient(circle at 80% 20%,#dce7ff,transparent 30%),linear-gradient(135deg,#fff,#eef3ff)}.hero-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:60px;align-items:center}.eyebrow{display:block;color:var(--primary);font-size:.78rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.hero h1,.page-hero h1{max-width:800px;margin:.3em 0;font-size:clamp(2.2rem,5vw,4.3rem);line-height:1.05;letter-spacing:-.045em}.lead{font-size:1.22rem;color:var(--muted);max-width:700px}.microcopy,.muted{color:var(--muted);font-size:.9rem}.hero-card,.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.score-ring{display:grid;place-items:center;width:150px;height:150px;border-radius:50%;margin:auto;background:conic-gradient(var(--primary) 80%,#e6eaf1 0);color:#fff;font-size:2.5rem;font-weight:900;border:15px solid #fff;outline:10px solid rgba(36,87,214,.12)}.score-ring small{font-size:1rem}.section{padding:64px 0}.section-tint{background:#eaf0ff}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section h2,.page-hero h2{line-height:1.2}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card h2,.card h3{margin:.45rem 0}.card-code{color:var(--primary);font-weight:850}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature-grid article{display:flex;flex-direction:column}.feature-grid strong{font-size:1.25rem}.page-hero{padding-top:60px;padding-bottom:30px}.page-hero h1{font-size:clamp(2rem,4vw,3.5rem)}.back-link{display:inline-block;margin-bottom:20px}.module-title{margin-top:44px}.lesson-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.lesson-row h3{margin:2px 0}.lesson-row span{color:var(--muted);font-size:.86rem}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:50px;padding-top:60px;padding-bottom:60px}.article-main h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.1}.prose{font-size:1.08rem;white-space:normal}.key-points{margin:35px 0;padding:24px;border-left:5px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:#fff8e8}.action-card{margin-top:35px}.ad-slot{min-height:100px;margin:24px 0;border-radius:12px;background:repeating-linear-gradient(135deg,#f0f2f6,#f0f2f6 8px,#f7f8fa 8px,#f7f8fa 16px)}.ad-slot:empty{display:none}.sticky-ad{position:sticky;top:110px;min-height:250px}.auth-shell{display:grid;place-items:center;min-height:65vh;padding:50px 0}.auth-card{width:min(100%,480px);padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.auth-card-wide{width:min(100%,620px)}.form-stack{display:grid;gap:16px}.form-stack label{display:grid;gap:7px;font-weight:700}.form-stack input,.form-stack select,.form-stack textarea{width:100%;padding:12px;border:1px solid #bdc5d3;border-radius:10px;background:#fff}.form-stack textarea{min-height:100px;resize:vertical}.form-stack .check{display:flex;align-items:flex-start;font-weight:500}.check input{width:auto;margin-top:6px}.alert{padding:12px 16px;margin-top:16px;border-radius:10px}.alert-error{background:#feeceb;color:var(--danger)}.alert-success{background:#e8f7ef;color:var(--success)}.test-shell{min-height:calc(100vh - 105px);max-width:900px;margin:auto;padding:35px 20px}.test-topbar{display:flex;align-items:center;justify-content:space-between}.timer{font-size:1.4rem;font-weight:850;font-variant-numeric:tabular-nums}.progress-track{height:8px;margin:20px 0 35px;background:#dfe4ed;border-radius:10px;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--primary)}.question-card{padding:35px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.question-card h1{font-size:clamp(1.4rem,3vw,2rem);line-height:1.3}.question-meta{color:var(--muted);font-size:.85rem}.choices{display:grid;gap:12px;margin:28px 0;padding:0;border:0}.choice{display:flex;align-items:center;gap:14px;padding:15px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.choice:has(input:checked){border-color:var(--primary);background:#eef3ff}.choice input{position:absolute;opacity:0}.choice-letter{display:grid;place-items:center;min-width:35px;height:35px;border-radius:50%;background:#eef1f6;font-weight:800}.question-actions,.result-actions{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}.result-hero{padding:60px 0;color:#fff}.result-pass{background:linear-gradient(135deg,#0c6944,#1d9364)}.result-progress{background:linear-gradient(135deg,#8a4b08,#d28420)}.result-grid{display:flex;justify-content:space-between;align-items:center;gap:30px}.result-score{display:flex;flex-direction:column;text-align:right}.result-score strong{font-size:4rem;line-height:1}.correction-list{display:grid;gap:14px}.correction{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}.correction-status{font-weight:850}.correction.correct{border-left:5px solid var(--success)}.correction.incorrect{border-left:5px solid var(--danger)}.dashboard-grid{display:grid;grid-template-columns:1fr 280px;gap:30px}.progress-row{display:grid;grid-template-columns:220px 1fr 60px;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.progress-row div:first-child{display:flex;flex-direction:column}.progress-row span{font-size:.85rem;color:var(--muted)}.meter{height:10px;background:#e1e5ed;border-radius:10px;overflow:hidden}.meter span{display:block;height:100%;background:var(--primary)}.big-stat{font-size:3.5rem;font-weight:900}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse}th,td{padding:13px;text-align:left;border-bottom:1px solid var(--line)}th{font-size:.8rem;text-transform:uppercase;color:var(--muted)}.empty-card,.empty-state{padding:50px;text-align:center;background:#fff;border-radius:var(--radius)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.stat-card strong{display:block;font-size:2rem}.admin-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:25px}.admin-layout{display:grid;grid-template-columns:1fr 360px;gap:30px}.badge{padding:4px 8px;border-radius:20px;background:#edf1f7;font-size:.8rem}.legal-page{padding-top:60px;padding-bottom:80px;max-width:800px}.site-footer{padding:45px 0;background:#16243a;color:#d9dfeb}.site-footer a,.site-footer .link-button{display:block;color:#fff;margin:5px 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.consent-banner{position:fixed;z-index:100;left:20px;right:20px;bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1000px;margin:auto;padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 70px rgba(0,0,0,.22)}.consent-banner[hidden]{display:none}.consent-banner p{margin:4px 0}.consent-actions{display:flex;gap:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:820px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;padding:20px;background:#fff;border-bottom:1px solid var(--line)}.main-nav.is-open{display:flex}.hero{padding-top:50px}.hero-grid,.article-layout,.dashboard-grid,.admin-layout{grid-template-columns:1fr}.hero-card{display:none}.card-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}.article-layout aside{display:none}.progress-row{grid-template-columns:1fr 60px}.progress-row .meter{grid-column:1/-1;grid-row:2}.footer-grid{grid-template-columns:1fr}.consent-banner{align-items:stretch;flex-direction:column}.consent-actions{display:grid;grid-template-columns:1fr 1fr}.admin-actions{grid-template-columns:1fr}}
@media(max-width:560px){.card-grid,.feature-grid,.stats-grid{grid-template-columns:1fr}.section-heading,.lesson-row,.result-grid{align-items:flex-start;flex-direction:column}.question-card{padding:22px}.question-actions .button{width:100%}.correction{grid-template-columns:1fr}.result-score{text-align:left}.consent-actions{grid-template-columns:1fr}}

hr{margin:30px 0;border:0;border-top:1px solid var(--line)}
summary{cursor:pointer;font-weight:750}
.button-danger{background:var(--danger)}

/* V2 - icones de theme, etat de chargement et finitions */
.card-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.theme-icon{width:34px;height:34px;flex:0 0 34px;padding:6px;border-radius:11px;color:var(--primary);background:#eef3ff}
.card .theme-icon{transition:transform .15s ease}
.card:hover .theme-icon{transform:translateY(-2px)}
/* V7 - corrections (boutons) */
.correction-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

/* V7 - chatbot assistant IA */
.civi-chat{position:fixed;right:16px;bottom:16px;z-index:200}
.civi-chat-toggle{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:30px;background:var(--primary);color:#fff;padding:12px 18px;font-weight:750;cursor:pointer;box-shadow:0 8px 22px rgba(36,87,214,.35)}
.civi-chat-toggle:hover{background:var(--primary-dark)}
.civi-chat-panel{position:absolute;right:0;bottom:58px;width:min(360px,calc(100vw - 32px));height:min(70vh,520px);display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.25);overflow:hidden}
.civi-chat-panel[hidden]{display:none}
.civi-chat-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--primary);color:#fff}
.civi-chat-close{border:0;background:none;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer}
.civi-chat-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}
.civi-msg{max-width:85%;padding:10px 12px;border-radius:12px;font-size:.95rem;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.civi-msg-user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:3px}
.civi-msg-bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:3px}
.civi-msg-error{align-self:center;background:#feeceb;color:var(--danger);font-size:.85rem}
.civi-msg-loading{align-self:flex-start;color:var(--muted);font-style:italic}
.civi-chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:#fff}
.civi-chat-form input{flex:1;padding:10px;border:1px solid #bdc5d3;border-radius:10px}
.civi-chat-note{margin:0;padding:6px 10px 10px;font-size:.72rem;color:var(--muted);background:#fff;text-align:center}
@media(max-width:560px){
  .civi-chat{right:12px;bottom:12px}
  .civi-chat-panel{position:fixed;right:12px;left:12px;bottom:70px;width:auto;height:min(72vh,560px)}
}
.is-loading{position:relative;opacity:.65;pointer-events:none}
.is-loading::after{content:"";position:absolute;right:12px;top:50%;width:15px;height:15px;margin-top:-8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:civispin .6s linear infinite}
@keyframes civispin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.is-loading::after{animation:none}.card .theme-icon{transition:none}}
.card{display:flex;flex-direction:column}
.card a:last-child{margin-top:auto}

/* V8 - SEO : FAQ + fil d ariane */
.faq-list{display:grid;gap:10px;margin-bottom:24px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.faq-item summary{font-weight:750;cursor:pointer}
.faq-item p{margin:10px 0 0;color:var(--ink)}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.footer-grid{grid-template-columns:1.6fr 1fr 1fr}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr}}