*{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#080808;
  --surface:#0e0e0e;
  --border:rgba(255,255,255,0.06);
  --border-hover:rgba(255,255,255,0.18);
  --text:#f0f0f0;
  --muted:#555;
  --muted2:#333;
  --mono:'DM Mono',monospace;
  --display:'Syne',sans-serif;
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--mono);
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
  padding:20px;
}

.auth-box{
  width:100%;
  max-width:420px;
}

.auth-title{
  font-family:var(--display);
  font-size:36px;
  font-weight:800;
  margin-bottom:40px;
}

.auth-switch{
  display:flex;
  gap:12px;
  margin-bottom:24px;
}

.auth-switch button{
  flex:1;
  padding:10px;
  background:transparent;
  border:1px solid var(--border);
  color:var(--muted);
  cursor:pointer;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.06em;
}

.auth-switch button.active{
  border-color:var(--text);
  color:var(--text);
}

.form{
  display:none;
}

.form.active{
  display:block;
}

.field{
  border-bottom:1px solid var(--border);
}

.field label{
  display:block;
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--muted2);
  padding:16px 0 4px;
}

.field input{
  width:100%;
  background:transparent;
  border:none;
  outline:none;
  color:var(--text);
  padding-bottom:16px;
  font-family:var(--mono);
}

.field input::placeholder{
  color:var(--muted2);
}

.btn{
  margin-top:24px;
  width:100%;
  padding:14px;
  background:var(--text);
  color:var(--bg);
  border:none;
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  cursor:pointer;
  opacity:0.9;
}

.btn:hover{
  opacity:1;
}

.back{
  position:absolute;
  top:20px;
  left:20px;
  font-size:12px;
  color:var(--muted);
  text-decoration:none;
}
.back:hover{color:var(--text)}

.password-field{
  position:relative;
}

.eye-toggle{
  position:absolute;
  right:0;
  bottom:16px;
  cursor:pointer;
  color:var(--muted2);
  display:flex;
  align-items:center;
}


.eye-icon{
  width:20px;
  height:20px;
  stroke:currentColor;
  fill:none;
  stroke-width:2;
}

.eye-icon path{
  stroke-linecap:butt;
  stroke-linejoin:miter;
}

.eye-icon circle:first-of-type{
  stroke-width:1.8;
}

.eye-icon .slash{
  opacity:0;
  stroke-width:2.4;
  transition:0.2s;
}

.eye-toggle.active .slash{
  opacity:1;
}

.eye-toggle:hover{
  color:var(--text);
}

.form-extra{
  margin-top:12px;
}

.checkbox{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--muted);
}

.checkbox input{
  accent-color:#fff;
  cursor:pointer;
}