/* Page de l'attestation */
.a-main{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:calc(84px + env(safe-area-inset-top,0px)) 16px 60px}
.a-intro{text-align:center;margin-bottom:22px}
.a-intro h1{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:600;letter-spacing:-.01em}
.a-intro p{color:var(--mu);margin-top:6px}
.a-lock{display:inline-block;margin-top:12px!important;padding:10px 16px;border-radius:14px;border:1px solid rgba(255,217,90,.45);background:rgba(255,217,90,.08);color:#ffe9a6!important}
.a-lock a{color:var(--cy)}
.a-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,380px);gap:28px;align-items:start}
@media (max-width:820px){.a-grid{grid-template-columns:minmax(0,1fr)}}
.a-preview canvas{display:block;width:100%;max-width:540px;height:auto;margin:0 auto;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.6),0 0 0 1px rgba(0,255,255,.25);touch-action:none;cursor:grab}
.a-preview canvas.drag{cursor:grabbing}
.a-tip{text-align:center;color:var(--mu);font-size:13.5px;margin-top:10px}
.a-panel{padding:20px;border-radius:20px;border:1px solid var(--line);background:rgba(9,14,20,.8)}
.a-lab{display:block;font-weight:600;font-size:14px;margin:16px 0 6px}
.a-lab:first-child{margin-top:0}
.a-lab small{font-weight:400;color:var(--mu)}
.a-in{width:100%;font:500 16px 'Space Grotesk',sans-serif;color:#fff;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:12px 14px}
.a-in:focus{outline:none;border-color:var(--cy)}
.a-row{display:flex;flex-wrap:wrap;gap:8px}
.a-file{display:inline-flex;align-items:center;cursor:pointer}
.a-priv{font-size:12.5px;color:var(--mu);margin-top:8px;line-height:1.45}
.a-seg{display:flex;gap:6px}
.a-seg button{flex:1;font:500 13.5px 'Space Grotesk',sans-serif;color:#fff;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:10px;cursor:pointer}
.a-seg button.on{border-color:var(--cy);background:rgba(0,255,255,.12);color:var(--cy)}
.a-rng{width:100%;accent-color:#00ffff}
.a-rng:disabled{opacity:.4}
.a-chk{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;cursor:pointer}
.a-chk input{width:18px;height:18px;accent-color:#00ffff}
.a-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.a-actions .c-next:disabled{opacity:.5;cursor:default;transform:none;box-shadow:none}
.a-msg{font-size:13.5px;color:var(--mu);margin-top:10px;min-height:1.2em}