:root{--bg:#f4f2fb;--panel:#fff;--ink:#17172a;--muted:#777b8a;--line:#e9eaf0;--accent:#4322df;--good:#168a57;--bad:#b63b46}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
button,input,select,textarea{font:inherit;font-size:16px}a{color:inherit;text-decoration:none}
.auth-page{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;background:
  radial-gradient(circle at 12% 8%,rgba(67,34,223,.16),transparent 34%),
  radial-gradient(circle at 88% 92%,rgba(255,138,0,.12),transparent 32%),
  #f4f2fb}
.auth-shell{width:min(920px,100%);display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 28px 80px rgba(38,25,105,.14)}
.auth-brand{background:linear-gradient(165deg,#2d14b8 0%,#4322df 48%,#6a42f4 100%);color:#fff;padding:48px 40px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.auth-brand:after{content:'';position:absolute;width:220px;height:220px;border:18px solid rgba(255,255,255,.08);border-radius:50%;right:-70px;bottom:-80px}
.auth-mark{width:56px;height:56px;border-radius:16px;background:#fff;color:#4322df;display:grid;place-items:center;font-weight:900;font-size:28px;box-shadow:0 12px 28px rgba(12,6,60,.25);margin-bottom:18px}
.auth-brand strong{font-size:42px;letter-spacing:.04em;line-height:1}
.auth-brand span{display:block;margin-top:8px;font-size:10px;letter-spacing:.16em;color:#ffb45c;font-weight:800}
.auth-brand p{font-size:14px;line-height:1.65;margin:28px 0 0;color:rgba(255,255,255,.88);max-width:32ch}
.auth-card{padding:42px 40px}
.auth-card h1{margin:0;font-size:26px;letter-spacing:-.4px}
.auth-card>p{font-size:14px;color:var(--muted);margin:8px 0 22px;line-height:1.5}
.auth-card label{display:block;font-size:13px;font-weight:800;margin:14px 0;color:#444}
.auth-card input[type=email],.auth-card input[type=password],.auth-card input[type=text],.auth-card input[type=tel]{width:100%;height:48px;border:1px solid var(--line);border-radius:11px;padding:0 12px;margin-top:7px;background:#fafafd;font-size:16px;line-height:1.3}
.auth-card input:focus{outline:none;border-color:#c8bdf3;box-shadow:0 0 0 4px #eeeaff}
.auth-row{display:flex!important;justify-content:space-between;align-items:center;gap:10px;margin:4px 0 8px}
.auth-row a,.auth-card footer a{color:var(--accent);font-weight:800}
.check{font-weight:600!important;display:flex!important;gap:6px;align-items:center;color:#555;font-size:14px}
.auth-card .btn{width:100%;margin-top:10px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:11px;padding:14px 12px;font-size:16px;font-weight:800;cursor:pointer}
.auth-card .btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.auth-bio{display:grid;gap:8px;margin-top:10px}
.auth-bio[hidden]{display:none!important}
.auth-card .btn:disabled{opacity:.65;cursor:wait}
.auth-message{font-size:14px;color:var(--bad);min-height:18px;margin-top:12px;line-height:1.45}
.auth-message.ok{color:var(--good)}
.auth-card footer{font-size:14px;color:var(--muted);text-align:center;margin-top:22px}
.auth-stage[hidden]{display:none!important}
.auth-check{width:56px;height:56px;border-radius:50%;background:#e8f8ef;color:#0f8a5f;display:grid;place-items:center;font-size:26px;font-weight:800;margin-bottom:14px}
.auth-spin{width:48px;height:48px;border:4px solid #eeeaff;border-top-color:#4322df;border-radius:50%;animation:authSpin .7s linear infinite;margin-bottom:16px}
@keyframes authSpin{to{transform:rotate(360deg)}}
@media(max-width:700px){
  html,body{
    height:100%;
    overflow:hidden;
    overscroll-behavior:none;
    touch-action:manipulation;
    -webkit-text-size-adjust:100%;
    text-size-adjust:100%;
  }
  .auth-page{
    display:block;
    padding:0;
    min-height:100%;
    height:100%;
    height:100dvh;
    height:100svh;
    overflow:hidden;
  }
  .auth-shell{
    width:100%;
    height:100%;
    min-height:100%;
    max-height:100%;
    border-radius:0;
    box-shadow:none;
    border:0;
    display:grid;
    grid-template-columns:1fr;
    grid-template-rows:auto minmax(0,1fr);
    overflow:hidden;
  }
  .auth-brand{
    padding:calc(12px + env(safe-area-inset-top,0px)) 18px 12px;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:12px;
    flex:none;
  }
  .auth-brand:after{display:none}
  .auth-brand p{display:none}
  .auth-brand strong{font-size:22px;letter-spacing:.03em}
  .auth-brand span{margin-top:2px;font-size:9px}
  .auth-mark{
    width:36px;
    height:36px;
    font-size:18px;
    margin:0;
    border-radius:11px;
    flex:none;
    box-shadow:0 6px 14px rgba(12,6,60,.2);
  }
  .auth-card{
    padding:18px 20px max(22px,env(safe-area-inset-bottom));
    overflow:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
    min-height:0;
  }
  .auth-card h1{font-size:22px;letter-spacing:-.3px}
  .auth-card>p{margin:6px 0 16px;font-size:14px}
  .auth-card label{font-size:14px;margin:10px 0}
  .auth-card input[type=email],
  .auth-card input[type=password],
  .auth-card input[type=text],
  .auth-card input[type=tel]{
    font-size:16px;
    height:48px;
    transform:translateZ(0);
  }
  .auth-card input:focus{box-shadow:0 0 0 3px #eeeaff}
}