:root{--bg:#0b0b1a;--card:rgba(255,255,255,.06);--line:rgba(255,255,255,.12);--txt:#f2f2fb;--mut:#9a9ab8;--a:#7c4dff;--b:#00d1ff;--err:#ff5c7a;--ok:#34d399}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;font-family:'Segoe UI',system-ui,sans-serif;color:var(--txt);background:var(--bg);overflow-x:hidden}
.bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(60rem 40rem at 10% -10%,#3b1d8f55,transparent),radial-gradient(50rem 40rem at 110% 110%,#006e8f55,transparent)}
.bg i{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 14s ease-in-out infinite}
.bg i:nth-child(1){width:380px;height:380px;background:var(--a);top:8%;left:12%}
.bg i:nth-child(2){width:320px;height:320px;background:var(--b);bottom:6%;right:10%;animation-delay:-6s}
@keyframes float{50%{transform:translate(40px,-30px) scale(1.1)}}
.logo{font-weight:800;font-size:1.7rem;letter-spacing:-.5px;background:linear-gradient(90deg,var(--a),var(--b));-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none}
.center{min-height:100vh;display:grid;place-items:center;padding:1.5rem}
.card{width:100%;max-width:430px;background:var(--card);backdrop-filter:blur(22px);border:1px solid var(--line);border-radius:24px;padding:2.4rem;box-shadow:0 30px 80px #0008;animation:rise .6s cubic-bezier(.2,.8,.2,1)}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
.card h1{margin:.9rem 0 .3rem;font-size:1.6rem}
.sub{color:var(--mut);margin:0 0 1.5rem;font-size:.95rem}
.client{display:inline-block;margin-top:.4rem;padding:.2rem .7rem;border-radius:99px;border:1px solid var(--line);font-size:.8rem;color:var(--mut)}
label{display:block;font-size:.82rem;color:var(--mut);margin:1rem 0 .35rem}
input[type=text],input[type=email],input[type=password],select{width:100%;padding:.8rem 1rem;border-radius:12px;border:1px solid var(--line);background:#ffffff0d;color:var(--txt);font-size:1rem;outline:0;transition:.2s}
select option{color:#000}
input:focus,select:focus{border-color:var(--a);box-shadow:0 0 0 4px #7c4dff33}
.btn{width:100%;margin-top:1.5rem;padding:.9rem;border:0;border-radius:12px;font-size:1rem;font-weight:700;color:#fff;cursor:pointer;background:linear-gradient(90deg,var(--a),var(--b));transition:.2s;text-align:center;display:inline-block;text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px #7c4dff55}
.btn.ghost{background:transparent;border:1px solid var(--line);margin-top:.6rem}
.btn.danger{background:linear-gradient(90deg,#ff5c7a,#ff8a5c)}
.btn.sm{width:auto;margin-top:1.2rem;padding:.65rem 1.4rem}
.links{display:flex;justify-content:space-between;margin-top:1.3rem;font-size:.88rem}
a{color:var(--b);text-decoration:none}a:hover{text-decoration:underline}
.err,.ok{padding:.7rem 1rem;border-radius:12px;font-size:.9rem;margin-bottom:1rem}
.err{background:#ff5c7a22;border:1px solid #ff5c7a66;color:#ffb3c0}
.ok{background:#34d39922;border:1px solid #34d39966;color:#a7f3d0}
.field-err{color:#ff9db0;font-size:.8rem}
.check{display:flex;gap:.6rem;align-items:center;margin-top:1rem;font-size:.88rem;color:var(--mut)}
.check label{margin:0;color:var(--txt)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
/* Compte */
.shell{display:grid;grid-template-columns:260px 1fr;gap:2rem;max-width:1100px;margin:0 auto;padding:2rem 1.5rem}
.top{display:flex;justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:1.4rem 1.5rem 0}
.side{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:1.4rem;height:fit-content;position:sticky;top:1rem}
.avatar{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;font-size:1.9rem;font-weight:800;background:linear-gradient(135deg,var(--a),var(--b));margin:0 auto .8rem}
.side h3{margin:0;text-align:center}.side p{margin:.2rem 0 1rem;text-align:center;color:var(--mut);font-size:.85rem;word-break:break-all}
.side nav a{display:block;padding:.65rem .9rem;border-radius:10px;color:var(--txt);margin:.15rem 0}
.side nav a.on,.side nav a:hover{background:#7c4dff33;text-decoration:none}
.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:1.8rem;margin-bottom:1.4rem;animation:rise .5s}
.panel h2{margin:0 0 .3rem;font-size:1.2rem}
.svc{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;border:1px solid var(--line);border-radius:14px;margin-top:1rem;flex-wrap:wrap}
.tag{font-family:Consolas,monospace;background:#7c4dff2e;padding:.25rem .6rem;border-radius:8px;font-size:.85rem}
.switch{display:flex;justify-content:space-between;align-items:center;padding:.8rem 0;border-bottom:1px solid var(--line)}
.switch:last-of-type{border:0}
@media(max-width:800px){.shell{grid-template-columns:1fr}.side{position:static}.row{grid-template-columns:1fr}}