/* Pages d'accès élève — vert & blanc, cohérent avec style.css */
.auth-page{background:#f3f9f5;min-height:100vh}
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}

.auth-side{position:relative;overflow:hidden;color:#fff;padding:44px 52px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(155deg,#052e27 0%,#075344 48%,#0a8a63 100%)}
.auth-side::before{content:"";position:absolute;inset:0;opacity:.09;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:34px 34px;-webkit-mask-image:radial-gradient(circle at 30% 70%,#000,transparent 70%);mask-image:radial-gradient(circle at 30% 70%,#000,transparent 70%)}
.auth-side .logo,.auth-side .logo-words b{color:#fff}
.auth-side .logo>span:first-child{background:#fff;color:#087f5b;box-shadow:none}
.auth-side>*{position:relative;z-index:1}
.auth-side h2{font-size:clamp(30px,3.2vw,44px);line-height:1.08;letter-spacing:-.03em;margin:0 0 14px;max-width:15ch}
.auth-side p{margin:0;color:#c9e8d8;max-width:38ch;line-height:1.6}
.formulas{position:absolute!important;right:-10px;bottom:70px;display:grid;gap:12px;justify-items:end;font-weight:800;color:rgba(255,255,255,.16);pointer-events:none;user-select:none}
.formulas span:nth-child(1){font-size:46px}.formulas span:nth-child(2){font-size:78px;line-height:1}.formulas span:nth-child(3){font-size:34px}
.perks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.perks li{display:flex;align-items:center;gap:12px;font-weight:600;color:#effaf3}
.perks b{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);font-size:13px}

.auth-main{display:flex;align-items:center;justify-content:center;padding:32px 20px}
.auth-card{width:100%;max-width:450px;background:var(--surface,#fff);border:1px solid #e3efe8;border-radius:26px;padding:36px 32px;box-shadow:0 30px 60px -28px rgba(6,76,55,.28),0 2px 6px rgba(6,76,55,.05)}
.auth-back{display:inline-block;color:var(--muted);font-weight:700;font-size:14px;margin-bottom:20px}
.auth-back:hover{color:#087f5b}
.auth-card h1{margin:0;font-size:28px;line-height:1.15;letter-spacing:-.03em;color:var(--text)}
.auth-sub{margin:8px 0 22px;color:var(--muted);font-size:15px}
.demo{background:#fff8e6;border:1px solid #f3dd9b;color:#7a5b00;padding:10px 12px;border-radius:12px;font-size:13px;margin-bottom:16px;line-height:1.45}

.terms{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1.5px dashed #cfe3d8;border-radius:14px;font-size:14px;line-height:1.5;margin-bottom:18px;cursor:pointer;color:var(--text);transition:.2s}
.terms:has(input:checked){border-style:solid;border-color:#087f5b;background:#f1faf5}
.terms.err{border-color:#e5484d}
.terms input{appearance:none;-webkit-appearance:none;width:22px;height:22px;flex:none;margin:1px 0 0;border:2px solid #a9cdbb;border-radius:7px;background:#fff;display:grid;place-items:center;cursor:pointer;transition:.2s}
.terms input:checked{background:#087f5b;border-color:#087f5b}
.terms input:checked::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}

.sso{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:52px;border:1.5px solid #dcebe2;border-radius:14px;background:#fff;color:#10251f;font:700 15px inherit;cursor:pointer;transition:.2s}
.sso:hover{border-color:#087f5b;box-shadow:0 8px 20px -10px rgba(8,127,91,.55);transform:translateY(-1px)}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin:20px 0 18px}
.or::before,.or::after{content:"";flex:1;height:1px;background:#e0ebe5}

.f{position:relative}
.f input{width:100%;height:56px;border:1.5px solid #dcebe2;border-radius:14px;padding:22px 48px 6px 16px;font:500 16px inherit;color:var(--text);background:var(--surface,#fff);transition:.2s}
.f label{position:absolute;left:16px;top:17px;color:var(--muted);font-size:16px;pointer-events:none;transition:.18s}
.f input:focus+label,.f input:not(:placeholder-shown)+label{top:8px;font-size:11.5px;font-weight:700}
.f input:focus{outline:none;border-color:#087f5b;box-shadow:0 0 0 4px rgba(8,127,91,.14)}
.f input:focus+label{color:#087f5b}
.f.bad input{border-color:#e5484d}
.eye{position:absolute;right:8px;top:8px;width:40px;height:40px;border:0;background:none;border-radius:10px;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.eye:hover{background:#e8f5ee;color:#087f5b}
.msg{font-size:13px;color:#e5484d;min-height:20px;margin:4px 2px 6px}
.meter{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:0 0 6px}
.meter span{height:5px;border-radius:5px;background:#e0ebe5;transition:.25s}
.hint{font-size:12.5px;color:var(--muted);margin-bottom:10px;line-height:1.45}

.lvl-title{font-weight:700;font-size:14px;margin:8px 0 8px;color:var(--text)}
.pills{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.pill{position:relative}
.pill input{position:absolute;opacity:0;inset:0;cursor:pointer}
.pill span{display:block;text-align:center;padding:12px 6px;border:1.5px solid #dcebe2;border-radius:14px;font-weight:800;font-size:17px;color:#164c3c;background:var(--surface,#fff);transition:.2s}
.pill small{display:block;font-weight:600;font-size:11px;color:var(--muted)}
.pill input:checked+span{background:#087f5b;border-color:#087f5b;color:#fff}
.pill input:checked+span small{color:#d5f2e3}
.pill input:focus-visible+span{outline:3px solid #087f5b;outline-offset:2px}

.cta{width:100%;height:56px;border:0;border-radius:999px;color:#fff;font:800 16px inherit;cursor:pointer;margin-top:6px;background:linear-gradient(135deg,#0ba875,#087f5b);box-shadow:0 14px 26px -12px rgba(8,127,91,.8);transition:.2s}
.cta:hover{transform:translateY(-2px)}
.cta:disabled{opacity:.7;cursor:wait;transform:none}
.form-err{color:#e5484d;font-size:14px;text-align:center;min-height:20px;margin:10px 0 0}
.switch{text-align:center;margin:18px 0 0;color:var(--muted);font-size:15px}
.switch a{color:#087f5b;font-weight:800}
.forgot{display:block;text-align:right;font-size:13.5px;font-weight:700;color:#087f5b;margin:-2px 2px 12px}
.auth-card :focus-visible{outline:3px solid #087f5b;outline-offset:2px}

@media(max-width:860px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-side{padding:22px 22px 26px}
  .auth-side h2,.auth-side p,.perks,.formulas{display:none}
  .auth-main{padding:0 14px 30px;margin-top:-10px}
  .auth-card{padding:28px 22px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}