:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --ink:#172033;
  --muted:#647084;
  --line:#dce4ef;
  --primary:#006dff;
  --primary-dark:#004cbd;
  --accent:#00d4ff;
  --danger:#e23838;
  --success:#13a36b;
  --bronze:#b7793e;
  --silver:#8d99ae;
  --gold:#c99a22;
  --diamond:#14b8d4;
  --shadow:0 24px 70px rgba(21,31,48,.12);
}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(0,109,255,.16),transparent 32rem),linear-gradient(135deg,#f7faff,#eef3fb)}
body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(0,109,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,109,255,.045) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
button,input{font:inherit}.app{position:relative;min-height:100vh;padding:32px;display:grid;place-items:center}.screen{display:none;width:min(1050px,100%)}.screen.is-active{display:block}.brand-card,.question-card,.result-panel{background:rgba(255,255,255,.92);border:1px solid rgba(220,228,239,.9);border-radius:30px;box-shadow:var(--shadow);padding:42px;backdrop-filter:blur(12px)}.brand-card{max-width:850px;margin:auto;text-align:center}.brand-card.compact{max-width:640px}.logo-placeholder,.cert-logo{width:124px;height:70px;margin:0 auto 18px;border:1px dashed var(--line);border-radius:18px;display:grid;place-items:center;background:#fff;overflow:hidden}.logo-placeholder img,.cert-logo img{max-width:100%;max-height:100%;object-fit:contain}.no-logo:after{content:"Logo";color:var(--muted);font-weight:700}.eyebrow{margin:0 0 10px;color:var(--primary);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}h1,h2{margin:0;color:#10192c;line-height:1.05}h1{font-size:clamp(2.2rem,5vw,4.6rem)}h2{font-size:clamp(1.8rem,3.6vw,3.1rem)}.lead{font-size:1.12rem;line-height:1.65;color:var(--muted);max-width:760px;margin:22px auto}.small{font-size:.92rem}.muted{color:var(--muted)}.center{text-align:center}.rules-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0}.rules-grid article{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f4f8ff);border:1px solid var(--line)}.rules-grid strong{display:block;font-size:2rem;color:var(--primary)}.rules-grid span{color:var(--muted)}.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}.levels p{margin:0;padding:12px;border-radius:14px;background:#f6f8fc;color:var(--muted)}.btn{border:0;border-radius:999px;padding:15px 24px;font-weight:800;cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:white;box-shadow:0 12px 26px rgba(0,109,255,.24)}.btn-secondary{background:#edf3ff;color:var(--primary-dark)}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.quiz-header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:22px}.progress{height:11px;width:min(620px,62vw);background:#dfe8f5;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .25s}.timer{width:104px;height:104px;border-radius:30px;background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;border:1px solid var(--line)}.timer span{font-size:2.3rem;font-weight:900;color:var(--primary);line-height:1}.timer small{display:block;margin-top:-18px;color:var(--muted)}.timer.is-danger span{color:var(--danger)}.question-card h2{font-size:clamp(1.55rem,3vw,2.35rem);margin-bottom:28px}.answers{display:grid;grid-template-columns:1fr 1fr;gap:16px}.answer-btn{text-align:left;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;color:var(--ink);cursor:pointer;min-height:88px;font-weight:750;box-shadow:0 10px 20px rgba(18,31,56,.05);transition:.18s}.answer-btn:hover{border-color:var(--primary);box-shadow:0 12px 25px rgba(0,109,255,.12);transform:translateY(-1px)}.answer-btn:disabled{cursor:not-allowed;opacity:.78}.answer-btn.is-selected{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-color:transparent}.identity-form{display:grid;gap:16px;text-align:left;max-width:430px;margin:26px auto 0}.identity-form label{font-weight:800;color:#223047}.identity-form input{display:block;width:100%;margin-top:7px;border:1px solid var(--line);border-radius:16px;padding:15px 16px;background:#fff;color:var(--ink)}.identity-form input:focus{outline:3px solid rgba(0,109,255,.18);border-color:var(--primary)}.result-layout{display:grid;grid-template-columns:370px 1fr;gap:26px;align-items:start}.score-line{font-size:4rem;font-weight:950;margin:18px 0;color:var(--primary)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.certificate-wrap{overflow:auto}.certificate{width:850px;background:#fff;padding:22px;border-radius:24px;box-shadow:var(--shadow);margin:auto}.cert-border{border:5px solid var(--primary);border-radius:18px;min-height:590px;padding:34px;position:relative;background:linear-gradient(145deg,#fff,#f7fbff)}.cert-border:before{content:"";position:absolute;inset:15px;border:1px solid rgba(0,109,255,.24);border-radius:12px;pointer-events:none}.cert-header{display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding-bottom:22px}.cert-logo{margin:0;width:132px;height:76px}.cert-agency{margin:0 0 4px;color:var(--primary);font-weight:900;text-transform:uppercase;letter-spacing:.12em}.cert-header h2{font-size:2.2rem}.cert-body{text-align:center;padding:44px 20px 34px}.cert-body p{font-size:1.15rem;color:var(--muted);margin:12px 0}.cert-body h3{font-size:3.1rem;margin:14px 0;color:#10192c}.cert-badge{display:inline-flex;align-items:center;justify-content:center;min-width:210px;padding:14px 22px;border-radius:999px;color:#fff;font-size:1.35rem;font-weight:950;text-transform:uppercase;letter-spacing:.08em;margin:12px 0}.cert-badge.bronze{background:linear-gradient(135deg,#8a4f24,var(--bronze))}.cert-badge.silver{background:linear-gradient(135deg,#687386,var(--silver))}.cert-badge.gold{background:linear-gradient(135deg,#a5740c,var(--gold))}.cert-badge.diamond{background:linear-gradient(135deg,#0e89a4,var(--diamond))}.cert-score strong{color:#10192c}.cert-footer{display:flex;justify-content:space-between;align-items:end;gap:20px;border-top:1px solid var(--line);padding-top:22px}.cert-footer span{display:block;color:var(--muted);margin-top:6px}.qr-placeholder{width:104px;height:104px;border:1px dashed var(--line);border-radius:14px;display:grid;place-items:center;overflow:hidden;background:#fff;flex:0 0 auto}.qr-placeholder img{max-width:100%;max-height:100%;object-fit:contain}.no-qr:after{content:"QR code";font-size:.82rem;color:var(--muted);font-weight:800}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#10192c;color:#fff;padding:13px 18px;border-radius:999px;box-shadow:var(--shadow);z-index:20}.anti-cheat{position:fixed;inset:auto 20px 20px auto;background:#fff3cd;color:#604500;border:1px solid #ffe08a;padding:12px 15px;border-radius:16px;box-shadow:var(--shadow);max-width:320px;font-size:.9rem}
@media (max-width:850px){.app{padding:18px}.brand-card,.question-card,.result-panel{padding:26px;border-radius:24px}.rules-grid,.levels,.answers,.result-layout{grid-template-columns:1fr}.quiz-header{align-items:flex-start}.timer{width:86px;height:86px;border-radius:24px}.progress{width:100%}.certificate{width:760px}.actions{flex-direction:column}.actions .btn{width:100%}}
@media print{body{background:#fff}.app{padding:0;display:block}.screen:not(.screen-result),.result-panel,.actions{display:none!important}.screen-result{display:block}.result-layout{display:block}.certificate-wrap{display:block!important;overflow:visible}.certificate{box-shadow:none;width:100%;padding:0}.cert-border{border-color:#111}.toast,.anti-cheat{display:none!important}}

/* V2 — couleurs officielles des niveaux de certification */
:root{
  --level-none:#3a3a3a;
  --level-bronze:#cd7f32;
  --level-silver:#c0c0c0;
  --level-gold:#ffd700;
  --level-diamond:#00d9ff;
}
.level-bronze{border:1px solid rgba(205,127,50,.45)!important;background:linear-gradient(135deg,rgba(205,127,50,.16),#fff)!important}
.level-silver{border:1px solid rgba(192,192,192,.75)!important;background:linear-gradient(135deg,rgba(192,192,192,.22),#fff)!important}
.level-gold{border:1px solid rgba(255,215,0,.65)!important;background:linear-gradient(135deg,rgba(255,215,0,.22),#fff)!important}
.level-diamond{border:1px solid rgba(0,217,255,.55)!important;background:linear-gradient(135deg,rgba(0,217,255,.18),#fff)!important}
.result-panel[data-level="bronze"]{box-shadow:0 24px 70px rgba(205,127,50,.22)}
.result-panel[data-level="silver"]{box-shadow:0 24px 70px rgba(120,130,150,.22)}
.result-panel[data-level="gold"]{box-shadow:0 24px 70px rgba(255,190,0,.26)}
.result-panel[data-level="diamond"]{box-shadow:0 24px 75px rgba(0,217,255,.28)}
.certificate.cert-bronze .cert-border{border-color:var(--level-bronze);background:linear-gradient(135deg,#fffaf4,#fff)}
.certificate.cert-silver .cert-border{border-color:var(--level-silver);background:linear-gradient(135deg,#f8fafc,#fff)}
.certificate.cert-gold .cert-border{border-color:var(--level-gold);background:linear-gradient(135deg,#fff9db,#fff)}
.certificate.cert-diamond .cert-border{border-color:var(--level-diamond);background:radial-gradient(circle at top right,rgba(0,217,255,.18),transparent 35%),linear-gradient(135deg,#f3fdff,#fff)}
.cert-badge.bronze{background:linear-gradient(135deg,#8a4f1d,var(--level-bronze),#f2b06e);color:#fff;box-shadow:0 12px 35px rgba(205,127,50,.35)}
.cert-badge.silver{background:linear-gradient(135deg,#7f8794,var(--level-silver),#ffffff);color:#172033;box-shadow:0 12px 35px rgba(120,130,150,.28)}
.cert-badge.gold{background:linear-gradient(135deg,#a57400,var(--level-gold),#fff1a8);color:#2b2100;box-shadow:0 12px 35px rgba(255,190,0,.35)}
.cert-badge.diamond{background:linear-gradient(135deg,#007c92,var(--level-diamond),#dffaff);color:#001f2b;box-shadow:0 12px 40px rgba(0,217,255,.42)}
.cert-id{font-size:.9rem;color:var(--muted);font-weight:800;letter-spacing:.03em}

/* V5 : aperçu d'attestation plus confortable sur ordinateur et sans scroll horizontal */
.screen-result{width:min(1280px,100%)}
.result-layout{grid-template-columns:minmax(300px,360px) minmax(0,1fr)}
.certificate-wrap{overflow-x:hidden;display:flex;justify-content:center;align-items:flex-start;padding:4px}
.certificate{width:min(820px,100%);box-sizing:border-box}
.cert-border{min-height:auto;box-sizing:border-box}
.cert-footer span{max-width:560px;line-height:1.4}

@media (min-width: 1100px){
  .screen-result{width:min(1240px,calc(100vw - 48px))}
  .certificate{width:820px;padding:18px}
  .cert-border{padding:30px;min-height:555px}
  .cert-body{padding:34px 16px 26px}
  .cert-body h3{font-size:clamp(2rem,3.4vw,2.8rem)}
}

@media (max-width: 1099px){
  .result-layout{grid-template-columns:1fr}
  .certificate-wrap{overflow-x:hidden;width:100%}
  .certificate{width:100%;max-width:820px;padding:14px;border-radius:20px}
  .cert-border{padding:24px;min-height:auto}
  .cert-header h2{font-size:clamp(1.5rem,4vw,2rem)}
  .cert-body{padding:28px 10px 22px}
  .cert-body h3{font-size:clamp(1.9rem,7vw,2.6rem)}
}

@media (max-width: 620px){
  .cert-header,.cert-footer{flex-direction:column;align-items:center;text-align:center}
  .cert-logo{width:118px;height:68px}
  .cert-border{padding:18px}
  .cert-badge{min-width:0;width:100%;font-size:1.05rem;letter-spacing:.04em}
  .qr-placeholder{width:92px;height:92px}
}