/* === v1.16 AUTH SPLIT DESIGN === */
body:has(.auth-split-page){
  overflow-x:hidden;
  background:
    radial-gradient(circle at 70% 20%, rgba(25,200,245,.16), transparent 34%),
    radial-gradient(circle at 20% 90%, rgba(10,167,211,.12), transparent 30%),
    #030d16;
}
.auth-split-page{
  min-height:100vh;
  display:grid;
  grid-template-columns:minmax(420px, 48vw) minmax(420px, 1fr);
  background:
    linear-gradient(90deg, rgba(2,10,18,.08), rgba(0,17,28,.96) 50%, rgba(0,12,20,1));
  color:var(--text);
}
.auth-visual-panel{
  position:relative;
  min-height:100vh;
  overflow:hidden;
  background:#061522;
  border-right:1px solid rgba(25,200,245,.16);
}
.auth-visual-panel::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(0,12,20,.10) 70%, rgba(0,12,20,.82) 100%);
}
.auth-visual-img{
  width:100%;
  height:100%;
  min-height:100vh;
  object-fit:cover;
  object-position:center;
  display:block;
}
.auth-form-panel{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  padding:42px clamp(24px, 5vw, 86px);
  position:relative;
}
.auth-form-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(25,200,245,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25,200,245,.035) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.65), transparent 72%);
  pointer-events:none;
}
.auth-brand-mini{
  width:min(100%, 520px);
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:24px;
  position:relative;
  z-index:1;
  color:#d9f7ff;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.auth-brand-mini img{
  max-width:158px;
  height:auto;
  display:block;
  filter:drop-shadow(0 0 16px rgba(25,200,245,.22));
}
.auth-brand-mini span{display:none;}
.auth-card-pro{
  width:min(100%, 520px);
  position:relative;
  z-index:1;
  padding:34px;
  border:1px solid rgba(25,200,245,.20);
  border-radius:26px;
  background:
    linear-gradient(135deg, rgba(8,38,54,.82), rgba(2,16,26,.86)),
    rgba(5,25,36,.78);
  box-shadow:
    0 24px 80px rgba(0,0,0,.34),
    inset 0 1px 0 rgba(255,255,255,.06),
    0 0 0 1px rgba(25,200,245,.04);
  backdrop-filter:blur(18px);
  overflow:hidden;
}
.auth-card-pro::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity:.9;
}
.auth-card-pro::after{
  content:"";
  position:absolute;
  width:210px;
  height:210px;
  right:-90px;
  top:-90px;
  background:radial-gradient(circle, rgba(25,200,245,.24), transparent 68%);
  pointer-events:none;
}
.auth-card-head{position:relative;z-index:1;margin-bottom:24px;}
.auth-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  background:rgba(25,200,245,.10);
  border:1px solid rgba(25,200,245,.20);
  border-radius:999px;
  padding:7px 12px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.auth-kicker::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 14px var(--cyan);
}
.auth-card-head h1{
  margin:18px 0 10px;
  font-size:clamp(30px, 3.1vw, 48px);
  line-height:1.02;
  letter-spacing:-.04em;
  font-weight:900;
  color:#fff;
}
.auth-card-head p{
  margin:0;
  color:var(--muted);
  line-height:1.65;
  font-weight:650;
  font-size:14px;
}
.auth-form-pro{position:relative;z-index:1;display:grid;gap:10px;}
.auth-form-pro label{
  color:#b8d3df;
  font-size:12px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-top:8px;
}
.auth-form-pro input{
  width:100%;
  height:52px;
  border-radius:15px;
  border:1px solid rgba(25,200,245,.18);
  background:rgba(0,14,24,.70);
  color:#fff;
  padding:0 16px;
  outline:none;
  font-weight:750;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
  transition:.18s ease;
}
.auth-form-pro input::placeholder{color:rgba(127,155,172,.72);font-weight:650;}
.auth-form-pro input:focus{
  border-color:rgba(25,200,245,.62);
  box-shadow:0 0 0 4px rgba(25,200,245,.08), inset 0 1px 0 rgba(255,255,255,.05);
}
.auth-main-btn{
  height:54px;
  margin-top:14px;
  border-radius:15px;
  font-weight:950;
  letter-spacing:.02em;
  box-shadow:0 12px 26px rgba(10,167,211,.22);
}
.auth-switch-box{
  position:relative;
  z-index:1;
  margin-top:18px;
  padding:15px;
  border-radius:16px;
  background:rgba(25,200,245,.07);
  border:1px solid rgba(25,200,245,.12);
  color:var(--muted);
  text-align:center;
  font-weight:750;
  font-size:14px;
}
.auth-switch-box a{
  color:var(--cyan);
  text-decoration:none;
  font-weight:950;
  margin-left:4px;
}
.auth-switch-box a:hover{text-decoration:underline;}
.auth-card-pro .alert{
  position:relative;
  z-index:2;
  margin:0 0 16px;
}
@media (max-width: 980px){
  .auth-split-page{grid-template-columns:1fr;}
  .auth-visual-panel{
    min-height:340px;
    height:42vh;
    border-right:0;
    border-bottom:1px solid rgba(25,200,245,.16);
  }
  .auth-visual-img{min-height:0;height:100%;object-position:center top;}
  .auth-visual-panel::after{
    background:linear-gradient(180deg, transparent 0%, rgba(0,12,20,.72) 100%);
  }
  .auth-form-panel{min-height:auto;padding:28px 18px 42px;}
  .auth-card-pro{padding:24px;border-radius:22px;}
  .auth-brand-mini{justify-content:center;margin-bottom:16px;}
  .auth-brand-mini img{max-width:140px;}
}
@media (max-width: 560px){
  .auth-visual-panel{height:36vh;min-height:280px;}
  .auth-card-head h1{font-size:30px;}
  .auth-card-pro{padding:20px;}
}