/* Auth pages — стиль как на примере (две колонки + иллюстрация) */
:root{
  --bg:#0b1020;
  --grid: rgba(255,255,255,.055);
  --card: rgba(14, 22, 41, .78);
  --card2: rgba(14, 22, 41, .55);
  --line: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.62);
  --accent: #14b8d4; /* cyan */
  --accent2: #3b82f6; /* blue */
  --shadow: 0 24px 80px rgba(0,0,0,.45);
  --radius: 22px;
  --radius2: 28px;
  --blur: 18px;
  --field: rgba(255,255,255,.06);
  --field2: rgba(255,255,255,.09);
  --danger: #ef4444;
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#eef2ff;
    --grid: rgba(15,23,42,.06);
    --card: rgba(255,255,255,.88);
    --card2: rgba(255,255,255,.70);
    --line: rgba(15,23,42,.10);
    --text: rgba(15,23,42,.92);
    --muted: rgba(15,23,42,.60);
    --field: rgba(15,23,42,.04);
    --field2: rgba(15,23,42,.06);
    --shadow: 0 24px 80px rgba(2,6,23,.12);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  min-height:100dvh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 20% 0%, rgba(20,184,212,.18), transparent 60%),
    radial-gradient(900px 520px at 80% 10%, rgba(59,130,246,.16), transparent 55%),
    linear-gradient(180deg, rgba(10,16,32,1), var(--bg));
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 26px;
  overflow-x:hidden;
}

/* grid background */
body:before{
  content:"";
  position:fixed; inset:0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .55;
  pointer-events:none;
}
body:after{
  content:"";
  position:fixed; inset:-2px;
  background:
    radial-gradient(1000px 700px at 10% 20%, rgba(20,184,212,.10), transparent 60%),
    radial-gradient(900px 600px at 95% 0%, rgba(59,130,246,.10), transparent 55%);
  pointer-events:none;
}

.auth-shell{
  width: min(1080px, 100%);
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--card), var(--card2));
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
  overflow:hidden;
  display:grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}
@media (max-width: 900px){
  .auth-shell{grid-template-columns:1fr; min-height:auto}
}

.auth-left{
  padding: 40px 44px;
  position:relative;
}
@media (max-width: 520px){
  .auth-left{padding: 26px 18px}
}
.auth-right{
  padding: 34px 34px 26px;
  border-left: 1px solid var(--line);
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap: 16px;
}
@media (max-width: 900px){
  .auth-right{border-left:0;border-top:1px solid var(--line)}
}

/* left header */
.auth-logo{
  display:flex;
  align-items:center;
  gap: 12px;
  margin-bottom: 22px;
}
.auth-logo .mark{
  width: 40px; height: 40px; border-radius: 16px;
  background: radial-gradient(20px 20px at 30% 30%, rgba(255,255,255,.45), transparent 55%),
              linear-gradient(135deg, rgba(20,184,212,1), rgba(59,130,246,.95));
  box-shadow: 0 18px 34px rgba(20,184,212,.18);
}
.auth-logo .name{
  font-weight: 1000;
  letter-spacing: .2px;
  opacity: .95;
}

.h1{
  font-weight: 1100;
  letter-spacing: .2px;
  font-size: 22px;
  margin: 10px 0 6px;
}
.sub{
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 13px;
}

/* fields */
.form{
  margin-top: 6px;
}
.field{
  margin: 14px 0;
}
.label{
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.control{
  position:relative;
}
.control .ico{
  position:absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  opacity: .75;
}
.input{
  width: 100%;
  padding: 13px 14px 13px 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  outline: none;
  transition: .15s ease;
}
.input:focus{
  border-color: rgba(20,184,212,.65);
  box-shadow: 0 0 0 4px rgba(20,184,212,.18);
  background: var(--field2);
}
.input::placeholder{color: rgba(255,255,255,.35)}
@media (prefers-color-scheme: light){
  .input::placeholder{color: rgba(15,23,42,.35)}
}

.btn{
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 0;
  cursor:pointer;
  font-weight: 1000;
  letter-spacing:.2px;
  transition: .15s ease;
}
.btn.primary{
  background: linear-gradient(135deg, rgba(20,184,212,1), rgba(59,130,246,1));
  color: white;
  box-shadow: 0 18px 34px rgba(20,184,212,.16);
}
.btn.primary:hover{transform: translateY(-1px)}
.btn.primary:active{transform: translateY(0)}

.linkbar{
  margin-top: 16px;
  display:flex;
  justify-content:center;
}
.linkbar a{
  color: rgba(20,184,212,.95);
  text-decoration:none;
  font-weight: 900;
  background: rgba(20,184,212,.10);
  border: 1px solid rgba(20,184,212,.22);
  padding: 8px 12px;
  border-radius: 999px;
}
.linkbar a:hover{background: rgba(20,184,212,.14)}

.err{
  margin-top: 14px;
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
}

/* right illustration area */
.right-title{
  font-size: 18px;
  font-weight: 1100;
  text-align:center;
  margin-top: 6px;
}
.pills{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  justify-content:center;
}
.pill{
  font-size: 12px;
  font-weight: 900;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
}

/* Simple 3D-like SVG container */
.illus{
  width: min(380px, 92%);
  aspect-ratio: 1.25 / 1;
  display:flex;
  align-items:center;
  justify-content:center;
}
.illus svg{width:100%; height:100%; filter: drop-shadow(0 18px 30px rgba(0,0,0,.35));}

/* divider line center on desktop */
@media (min-width: 901px){
  .auth-shell:before{
    content:"";
    position:absolute;
    left:50%;
    top:0;
    bottom:0;
    width:1px;
    background: var(--line);
    pointer-events:none;
  }
  .auth-shell{position:relative}
}