/* Pages de connexion et d'inscription — même direction artistique que index.html */
:root{
  --brand:#6355ff;--brand-d:#4a3de0;--brand-l:#efedff;--brand-l2:#e2deff;
  --mint:#2ef0a8;--mint-d:#1fd893;
  --ink:#14142b;--muted:#55576f;--line:#dcdce8;--soft:#f7f7fb;
  --wa:#25d366;--err:#c62828;--err-bg:#fdecec;--ok:#0b7a52;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --r:14px;--rl:22px;--rxl:32px;
  --shadow-lg:0 24px 60px rgba(20,20,43,.14);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:#fff;color:var(--ink);line-height:1.6;min-height:100vh;min-height:100dvh}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
svg.i{width:1em;height:1em;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:8px}
.side :focus-visible{outline-color:var(--mint)}

/* ═══════ MISE EN PAGE ═══════ */
.auth{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);min-height:100vh;min-height:100dvh}

/* panneau de marque */
.side{position:relative;overflow:hidden;background:var(--brand);color:#fff;padding:40px 48px;display:flex;flex-direction:column}
.side::before,.side::after{content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.07);pointer-events:none}
.side::before{width:420px;height:420px;top:-160px;right:-160px}
.side::after{width:300px;height:300px;bottom:-120px;left:-120px}
.side>*{position:relative;z-index:1}
.logo img{height:30px;width:auto}
.side-body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:40px 0}
.side h2{font-size:clamp(2rem,3.2vw,2.8rem);line-height:1.1;letter-spacing:-.03em;font-weight:800;margin-bottom:14px}
.side h2 em{font-style:normal;color:var(--mint)}
.side-sub{font-size:1.05rem;color:rgba(255,255,255,.88);max-width:440px;margin-bottom:36px}
.visual{position:relative;max-width:360px;width:100%}
.visual .photo{border-radius:var(--rxl);overflow:hidden;aspect-ratio:4/4.4;border:6px solid rgba(255,255,255,.18);box-shadow:0 30px 70px rgba(25,15,120,.45)}
.visual .photo img{width:100%;height:100%;object-fit:cover}
.fc{position:absolute;background:#fff;color:var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);padding:12px 14px;display:flex;gap:12px;align-items:center;animation:float 6s ease-in-out infinite}
.fc .ico{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#fff;background:var(--brand);flex-shrink:0}
.fc .ico.wa{background:var(--wa)}
.fc-t{font-size:.78rem;color:var(--muted);font-weight:600;line-height:1.3}
.fc-v{font-weight:800;font-size:.95rem;line-height:1.3}
.fc-1{right:-64px;top:14%}
.fc-2{left:-40px;bottom:12%;animation-delay:-3s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.perks{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:4px}
.perks li{display:flex;align-items:center;gap:10px;font-weight:600}
.perks .i{color:var(--mint);font-size:1.15rem}
.side-foot{font-size:.88rem;color:rgba(255,255,255,.78)}

/* panneau formulaire */
.main{display:flex;flex-direction:column;padding:32px 48px}
.main-top{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:46px}
.mlogo{display:none}
.mlogo img{height:26px;width:auto}
.back{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 6px;font-weight:600;color:var(--muted);text-decoration:none;border-radius:10px;transition:color .2s}
.back:hover{color:var(--brand-d)}
.back .i{transform:rotate(180deg)}
.swap{font-size:.95rem;color:var(--muted)}
.swap a{color:var(--brand-d);font-weight:700;text-decoration:none;display:inline-block;padding:10px 4px}
.swap a:hover{text-decoration:underline;text-underline-offset:3px}
.form-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:32px 0}
.card{width:100%;max-width:480px}
.card h1{font-size:clamp(1.9rem,3vw,2.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:8px}
.lead{color:var(--muted);margin-bottom:28px}

/* récapitulatif d'erreurs */
.summary{display:none;border:2px solid var(--err);background:var(--err-bg);border-radius:var(--r);padding:16px 18px;margin-bottom:22px}
.summary.show{display:block}
.summary:focus{outline:3px solid var(--err);outline-offset:3px}
.summary h2{font-size:1rem;font-weight:800;color:var(--err);margin-bottom:6px}
.summary ul{list-style:none;display:flex;flex-direction:column;gap:2px}
.summary a{color:var(--err);font-weight:600;font-size:.95rem}
.summary p{color:var(--err);font-weight:600;font-size:.95rem}

/* champs */
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label,.field .lbl{display:block;font-weight:700;font-size:.95rem;margin-bottom:6px}
.field .hint{font-size:.86rem;color:var(--muted);margin-top:6px}
.field .hint strong{color:var(--ink)}
.inp{width:100%;min-height:52px;padding:0 16px;border:1.5px solid var(--line);border-radius:var(--r);background:#fff;color:var(--ink);
  font:500 1rem/1.4 var(--font);transition:border-color .2s,box-shadow .2s}
.inp::placeholder{color:#8a8ca3}
.inp:hover{border-color:#c4c4d6}
.inp:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(99,85,255,.18)}
.inp[aria-invalid="true"]{border-color:var(--err)}
.inp[aria-invalid="true"]:focus{box-shadow:0 0 0 4px rgba(198,40,40,.15)}
select.inp{appearance:none;padding-right:44px;cursor:pointer;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2355576f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center}
.phone{display:flex;gap:10px}
.phone .code{flex:0 0 96px;display:flex;align-items:center;justify-content:center;min-height:52px;border-radius:var(--r);background:var(--soft);border:1.5px solid var(--line);font-weight:700;color:var(--ink)}
.phone .inp{flex:1;min-width:0}
.pwd{position:relative}
.pwd .inp{padding-right:56px}
.eye{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:1.2rem}
.eye:hover{color:var(--brand-d);background:var(--brand-l)}
.err{display:none;align-items:flex-start;gap:6px;margin-top:6px;color:var(--err);font-size:.9rem;font-weight:600}
.err.show{display:flex}
.err .i{margin-top:3px}
.label-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.link-btn{color:var(--brand-d);font-weight:700;font-size:.9rem;padding:6px 2px;text-decoration:none}
.link-btn:hover{text-decoration:underline;text-underline-offset:3px}

/* choix de l'activité */
.cats{border:0;padding:0;margin:0 0 22px;min-width:0}
.cats legend{display:block;font-weight:800;font-size:1.05rem;margin-bottom:10px;padding:0}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cat-opt,.field .cat-opt{position:relative;display:flex;font-weight:400;margin:0;font-size:inherit;gap:12px;align-items:flex-start;padding:14px;border:1.5px solid var(--line);border-radius:var(--r);cursor:pointer;background:#fff;transition:border-color .2s,background-color .2s,box-shadow .2s}
.cat-opt:hover{border-color:#c4c4d6}
.cat-opt input{position:absolute;opacity:0;width:1px;height:1px}
.cat-opt:has(input:focus-visible){outline:3px solid var(--brand);outline-offset:2px}
.cat-opt:has(input:checked){border-color:var(--brand);background:var(--brand-l);box-shadow:0 0 0 1px var(--brand)}
.cat-opt:has(input[aria-invalid="true"]),.cats:has(#su-cat[aria-invalid="true"]) .cat-opt{border-color:var(--err)}
.cat-ico{flex:0 0 40px;height:40px;border-radius:12px;background:var(--brand-l);color:var(--brand-d);display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.cat-opt:has(input:checked) .cat-ico{background:var(--brand);color:#fff}
.cat-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.cat-txt strong{font-size:.95rem;line-height:1.3}
.cat-txt small{font-size:.8rem;color:var(--muted);line-height:1.4}
.cat-grid .cat-opt:last-child:nth-child(odd){grid-column:1/-1}
@media(max-width:480px){.cat-grid{grid-template-columns:1fr}}

/* case à cocher */
.check,.field .check{display:flex;gap:12px;align-items:flex-start;margin:4px 0 6px;cursor:pointer;font-size:.95rem;font-weight:500;color:var(--muted)}
.check input{appearance:none;flex:0 0 22px;width:22px;height:22px;margin-top:1px;border:1.5px solid var(--line);border-radius:7px;background:#fff;cursor:pointer;display:grid;place-content:center;transition:background-color .2s,border-color .2s}
.check input::after{content:'';width:10px;height:6px;border:2.5px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px);opacity:0}
.check input:checked{background:var(--brand);border-color:var(--brand)}
.check input:checked::after{opacity:1}
.check input[aria-invalid="true"]{border-color:var(--err)}
.check a{color:var(--brand-d);font-weight:700}

/* bouton */
.submit{width:100%;min-height:54px;margin-top:10px;border-radius:100px;background:var(--brand);color:#fff;font-weight:800;font-size:1.02rem;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 10px 26px rgba(99,85,255,.3);transition:background-color .2s,transform .2s}
.submit:hover:not(:disabled){background:var(--brand-d);transform:translateY(-1px)}
.submit:disabled{opacity:.75;cursor:progress}
.spin{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:none}
.submit[aria-busy="true"] .spin{display:inline-block}
.submit[aria-busy="true"] .i{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.notice{display:none;margin-bottom:22px;padding:14px 16px;border-radius:var(--r);background:#e6fbf3;color:var(--ok);font-weight:600;font-size:.95rem}
.notice.show{display:block}
.alt{text-align:center;margin-top:24px;color:var(--muted)}
.alt a{color:var(--brand-d);font-weight:700;text-decoration:none;display:inline-block;padding:8px 2px}
.alt a:hover{text-decoration:underline;text-underline-offset:3px}
.secure{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;font-size:.86rem;color:var(--muted)}
.legal{text-align:center;font-size:.85rem;color:var(--muted);padding-top:8px}
.legal a{color:var(--muted);padding:6px 4px;display:inline-block}

/* ═══════ RESPONSIVE ═══════ */
@media(max-width:1100px){.fc-1{right:-24px}.fc-2{left:-20px}.side{padding:36px}}
@media(max-width:900px){
  .auth{grid-template-columns:1fr}
  .side{display:none}
  .main{padding:0}
  .main-top{background:var(--brand);padding:14px 16px;min-height:64px}
  .mlogo{display:block}
  .main-top .back{display:none}
  .main-top .swap{color:#fff}
  .main-top .swap a{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .main-top .swap span{display:none}
  .form-wrap{padding:32px 16px 24px;align-items:flex-start}
  .legal{padding:0 16px 24px}
}
@media(max-width:480px){.row{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .spin{animation:spin 1.6s linear infinite!important}
}