/* Platform login — quiet luxury split */
:root{
  --void:#0a0c10;
  --void-2:#12151c;
  --stone:#f7f6f4;
  --stone-2:#eeece8;
  --ink:#141820;
  --mute:#6f7380;
  --line:rgba(20,24,32,.12);
  --focus:#2a2f3a;
  --danger:#9b1c1c;
  --danger-bg:#f8eaea;
  --ui:"Manrope","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --display:"Cormorant Garamond","Songti SC","SimSun",serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body.jh-login{
  margin:0;
  font-family:var(--ui);
  color:var(--ink);
  background:var(--void);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input{font:inherit}

.jh-frame{
  min-height:100%;
  min-height:100dvh;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
}

/* Left brand pane */
.jh-brand-pane{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(165deg,rgba(255,255,255,.03),transparent 42%),
    linear-gradient(180deg,#10131a 0%,var(--void) 55%,#08090d 100%);
  color:#f4f2ee;
  padding:clamp(36px,6vh,64px) clamp(36px,6vw,72px);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  isolation:isolate;
}
.jh-brand-veil{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%,rgba(255,255,255,.07),transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 100%,rgba(255,255,255,.035),transparent 60%);
  animation:jh-veil 16s ease-in-out infinite;
}
.jh-brand-sheen{
  position:absolute;top:0;bottom:0;right:0;width:1px;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.28),transparent);
  overflow:hidden;
}
.jh-brand-sheen::after{
  content:"";
  position:absolute;left:0;width:100%;height:28%;
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.85),transparent);
  animation:jh-sheen 5.5s ease-in-out infinite;
}
.jh-brand-inner{position:relative;z-index:2;max-width:520px;padding-top:8vh}
.jh-wordmark{
  margin:0 0 28px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:rgba(244,242,238,.55);
  animation:jh-rise .9s ease both;
}
.jh-title{
  margin:0;
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(64px,9vw,104px);
  line-height:.92;
  letter-spacing:-.01em;
  color:#f7f5f1;
  animation:jh-rise .9s .08s ease both;
}
.jh-desc{
  margin:28px 0 0;
  max-width:18em;
  font-size:15px;
  line-height:1.7;
  color:rgba(244,242,238,.58);
  font-weight:400;
  animation:jh-rise .9s .16s ease both;
}
.jh-meta{
  margin-top:48px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(244,242,238,.38);
  animation:jh-rise .9s .24s ease both;
}
.jh-meta i{
  display:inline-block;width:16px;height:1px;background:rgba(244,242,238,.22);
}
.jh-copy{
  position:relative;z-index:2;margin:0;
  font-size:11px;letter-spacing:.08em;
  color:rgba(244,242,238,.28);
}

/* Right form pane */
.jh-form-pane{
  background:var(--stone);
  display:grid;
  place-items:center;
  padding:48px 32px;
  position:relative;
}
.jh-form-pane::before{
  content:"";
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(255,255,255,.7),transparent 55%);
}
.jh-form{
  position:relative;
  width:min(380px,100%);
  animation:jh-rise .85s .12s ease both;
}
.jh-form-hd{margin-bottom:32px}
.jh-form-hd h2{
  margin:0;
  font-family:var(--display);
  font-size:40px;
  font-weight:500;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--ink);
}
.jh-form-hd p{
  margin:12px 0 0;
  font-size:14px;
  color:var(--mute);
  line-height:1.6;
}
.jh-alert{
  margin:0 0 20px;
  padding:12px 14px;
  border:1px solid rgba(20,24,32,.1);
  background:#fff;
  color:#3a3f4b;
  font-size:13px;
  line-height:1.5;
}
.jh-alert.is-danger{
  border-color:rgba(155,28,28,.25);
  background:var(--danger-bg);
  color:var(--danger);
}
.jh-field{display:block;margin-top:18px}
.jh-field>span{
  display:block;
  margin-bottom:8px;
  font-size:11px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#8a8f9a;
}
.jh-field input{
  width:100%;
  height:50px;
  padding:0 0 0 2px;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  background:transparent;
  color:var(--ink);
  font-size:15px;
  outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.jh-field input:hover{border-bottom-color:rgba(20,24,32,.28)}
.jh-field input:focus{
  border-bottom-color:var(--ink);
  box-shadow:0 1px 0 0 var(--ink);
}
.jh-pass{position:relative}
.jh-pass input{padding-right:56px}
.jh-eye{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  height:32px;padding:0 2px;
  border:0;background:transparent;
  color:var(--mute);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  cursor:pointer;
}
.jh-eye:hover{color:var(--ink)}
.jh-submit{
  width:100%;
  height:52px;
  margin-top:34px;
  border:0;
  background:var(--ink);
  color:#f7f6f4;
  font-size:13px;
  font-weight:650;
  letter-spacing:.14em;
  text-transform:uppercase;
  cursor:pointer;
  position:relative;
  overflow:hidden;
  transition:background .2s,transform .2s;
}
.jh-submit::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.12) 50%,transparent 70%);
  transform:translateX(-120%);
  transition:transform .55s ease;
}
.jh-submit:hover{background:#000}
.jh-submit:hover::before{transform:translateX(120%)}
.jh-submit:active{transform:translateY(1px)}
.jh-submit:disabled{opacity:.65;cursor:wait}
.jh-submit span{position:relative;z-index:1}
.jh-note{
  margin:22px 0 0;
  text-align:center;
  font-size:12px;
  color:#9a9eaa;
  letter-spacing:.04em;
}

@keyframes jh-rise{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}
@keyframes jh-veil{
  0%,100%{opacity:.85}
  50%{opacity:1}
}
@keyframes jh-sheen{
  0%{top:-30%}
  100%{top:110%}
}

@media(max-width:900px){
  .jh-frame{grid-template-columns:1fr}
  .jh-brand-pane{
    min-height:38vh;
    padding:36px 28px 28px;
  }
  .jh-brand-inner{padding-top:4vh}
  .jh-title{font-size:64px}
  .jh-meta,.jh-copy{display:none}
  .jh-brand-sheen{display:none}
  .jh-form-pane{padding:40px 24px 56px;align-items:start}
  .jh-form-hd h2{font-size:34px}
}
@media(prefers-reduced-motion:reduce){
  .jh-brand-veil,.jh-brand-sheen::after,
  .jh-brand-inner>*,.jh-form,.jh-wordmark,.jh-title,.jh-desc,.jh-meta{animation:none!important}
  .jh-submit::before{display:none}
}