/* Advanced sign-in / sign-up design (client pages: login, register, forgot, reset). Scoped to .auth-split.ac - admin login is untouched. */
.auth-split.ac{grid-template-columns:minmax(420px,47%) 1fr;min-height:100vh;min-height:100dvh}

/* ---------- brand panel ---------- */
.ac .auth-brand{padding:44px 56px;isolation:isolate;background:#070a1f}
.ac .auth-brand:before{inset:0;width:auto;height:auto;border-radius:0;filter:none;opacity:1;right:auto;top:auto;z-index:-2;
  background:radial-gradient(720px 440px at 92% -8%,var(--primary) 0,transparent 62%),radial-gradient(540px 380px at -8% 108%,rgba(34,211,238,.38) 0,transparent 62%),linear-gradient(160deg,#070a1f 0%,#10165a 100%)}
.ac .auth-brand:after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at 30% 20%,#000 10%,transparent 72%);mask-image:radial-gradient(ellipse at 30% 20%,#000 10%,transparent 72%)}
.ac .auth-brand>.orb{position:absolute;border-radius:50%;filter:blur(2px);z-index:-1;pointer-events:none}
.ac .auth-brand>.orb.o1{width:220px;height:220px;right:-70px;bottom:90px;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.22),rgba(255,255,255,.02) 70%);animation:acfloat 9s ease-in-out infinite}
.ac .auth-brand>.orb.o2{width:120px;height:120px;left:46%;top:14%;background:radial-gradient(circle at 30% 30%,rgba(34,211,238,.45),rgba(34,211,238,0) 70%);animation:acfloat 7s ease-in-out infinite reverse}
@keyframes acfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.ac .auth-brand h1{font-size:clamp(30px,3.2vw,42px);line-height:1.1;letter-spacing:-.035em;max-width:470px}
.ac .auth-brand p{color:#b9c2ee;max-width:430px}
.ac .auth-brand ul{gap:10px;max-width:440px}
.ac .auth-brand li{padding:11px 14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:.2s}
.ac .auth-brand li:hover{background:rgba(255,255,255,.1);transform:translateX(4px)}
.ac .auth-brand li i{background:linear-gradient(135deg,var(--primary),#8e7fff);color:#fff;box-shadow:0 10px 20px -8px var(--primary-glow)}
.auth-prev{margin-top:26px;max-width:340px;padding:14px 16px 16px;border-radius:18px;background:rgba(10,14,40,.62);border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px -30px rgba(0,0,0,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.auth-prev .pv-h{display:flex;align-items:center;gap:6px;margin-bottom:12px}.auth-prev .pv-h i{width:9px;height:9px;border-radius:50%;background:#ff5f57}.auth-prev .pv-h i:nth-child(2){background:#febc2e}.auth-prev .pv-h i:nth-child(3){background:#28c840}
.auth-prev .pv-h span{margin-left:8px;font-size:11px;color:#8e98c9;background:rgba(255,255,255,.06);border-radius:7px;padding:3px 10px}
.auth-prev .pv-r{display:flex;justify-content:space-between;align-items:center;color:#e5e9ff;font-size:13px}.auth-prev .pv-r small{color:#8e98c9;font-size:11.5px}
.auth-prev .pv-ok{font-size:11px;font-weight:700;color:#86efac;background:rgba(34,197,94,.16);padding:3px 10px;border-radius:99px}
.auth-prev .pv-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.1);margin:12px 0}.auth-prev .pv-bar i{display:block;width:78%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#22d3ee)}
@media(max-height:760px){.auth-prev{display:none}}

/* ---------- form side ---------- */
.ac .auth-main{padding:34px 24px;background:radial-gradient(640px 380px at 100% 0,var(--primary-soft),transparent),radial-gradient(520px 320px at 0 100%,var(--primary-soft2),transparent),var(--bg)}
.ac .auth-main .box{position:relative;max-width:460px;padding:34px 34px 28px;border-radius:26px;box-shadow:0 40px 80px -40px rgba(16,24,40,.38)}
.ac .auth-main .box:before{content:"";position:absolute;left:30px;right:30px;top:-1px;height:3px;border-radius:0 0 8px 8px;background:var(--grad)}
.ac .auth-main h2{font-size:26px;font-weight:800;letter-spacing:-.03em;margin:0 0 6px}
.ac .auth-sub{margin:0 0 20px;font-size:14px}
.ac .auth-top{top:20px;left:28px;right:28px}

/* sign in / create account switch */
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin-bottom:22px;background:var(--card2);border:1px solid var(--line);border-radius:14px}
.auth-tabs a{text-align:center;padding:10px 8px;border-radius:10px;font-weight:700;font-size:13.5px;color:var(--muted)!important;text-decoration:none!important;transition:.15s}
.auth-tabs a:hover{color:var(--ink)!important}
.auth-tabs a.on{background:var(--card);color:var(--ink)!important;box-shadow:var(--sh1)}

/* fields with icons */
.ac .f{margin-bottom:15px}
.ac .f label{font-size:12.5px;font-weight:700}
.fi{position:relative}
.fi-ic{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none;z-index:1;transition:color .15s}
.fi:focus-within .fi-ic{color:var(--primary)}
.ac .box .fi input{padding-left:44px!important}
.ac .box input:not([type=checkbox]):not([type=radio]){min-height:48px;border-radius:13px!important}
.ac .box .btn-primary.btn-block{min-height:50px;font-size:15px;border-radius:14px;margin-top:6px;box-shadow:0 16px 30px -14px var(--primary-glow)}
.ac .box .btn-primary.btn-block:hover{transform:translateY(-1px)}
.ac .chk{align-items:flex-start;font-size:13px;line-height:1.45;margin-top:4px}
.ac .box .center.muted{font-size:13.5px}.ac .box .center.muted a{font-weight:700}

/* password strength + helpers */
.meter{display:flex;align-items:center;gap:10px;margin-top:8px}
.meter span{flex:1;height:5px;border-radius:99px;background:var(--line);position:relative;overflow:hidden}
.meter span:after{content:"";position:absolute;inset:0;width:var(--w,0%);background:var(--c,#ef4444);border-radius:inherit;transition:width .25s,background .25s}
.meter em{font-style:normal;font-size:11.5px;font-weight:700;color:var(--muted);min-width:46px;text-align:right}
.fnote{font-size:12px;margin-top:6px;font-weight:600;color:var(--muted)}.fnote.ok{color:var(--ok)}.fnote.bad{color:var(--bad)}
.auth-foot{display:flex;align-items:center;justify-content:center;gap:8px;margin:22px 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.auth-foot i{color:var(--ok)}
.btn.is-loading{position:relative;color:transparent!important;pointer-events:none}
.btn.is-loading:after{content:"";position:absolute;inset:0;margin:auto;width:20px;height:20px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:acspin .7s linear infinite}
@keyframes acspin{to{transform:rotate(360deg)}}

/* ---------- mobile ---------- */
@media(max-width:900px){
  .auth-split.ac{grid-template-columns:1fr}
  .ac .auth-brand{padding:16px 20px;flex-direction:row;align-items:center;justify-content:flex-start;min-height:0}
  .ac .auth-brand>div{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .ac .auth-brand>.orb.o1{width:120px;height:120px;right:-30px;bottom:-40px}.ac .auth-brand>.orb.o2{display:none}
  .ac .auth-main{align-content:start;padding:14px 14px 28px}
  .ac .auth-top{position:static;width:100%;max-width:460px;margin-bottom:12px}
  .ac .auth-main .box{padding:26px 20px 22px;border-radius:22px}
  .ac .auth-main h2{font-size:23px}
}
@media(prefers-reduced-motion:reduce){.ac .auth-brand>.orb,.ac .auth-brand li,.btn.is-loading:after{animation:none;transition:none}}