:root{
  --background-color:#000000;
  --primary-color:#ffffff;
  --secondary-color:#131313;
  --button-color:#ffee02;
  --font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font-family);
  color:var(--primary-color);
  background:#1a1a1a url('https://res.cloudinary.com/dnpmuuz3s/image/upload/v1759314588/1af48f96-b9c0-4faa-9dd5-cb6b5dd599ea_fblmlh.jpg') center/cover fixed no-repeat;
}
.intro{
  display:block;
  width:80%;
  margin:40px auto 0;
  text-align:center;
  background:rgba(176,174,174,0.10);
  border-radius:50px;
  color:#ff0000;
  font-weight:800;
  font-size:40px;
  padding:20px;
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  transform:translateX(0) translateY(0);
  animation:slide-in-left 1s ease-out forwards;
  transition:transform .3s ease, background .3s ease;
}
.intro:hover{ transform:translateX(0) translateY(15px); background:#f9b6b633; }
@keyframes slide-in-left{ from{transform:translateX(-100vw);opacity:0;} to{transform:translateX(0);opacity:1;} }

.vh{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap; border:0; padding:0; margin:-1px;
}

.login-wrap{
  width:min(520px,92%);
  margin:110px auto 80px;
  animation:slide-in-left 1s ease-out forwards;
}

.login-trigger{
  display:flex; align-items:center; justify-content:center;
  height:64px; border-radius:999px; cursor:pointer;
  background:linear-gradient(180deg,#ff3a3a,#ff1e1e);
  color:#fff; font-weight:800; letter-spacing:.5px;
  box-shadow:0 10px 24px rgba(255,20,20,0.35), 0 0 0 1px rgba(255,60,60,0.25) inset;
  transition:transform .25s ease, opacity .25s ease;
}
.login-trigger:hover{ transform:translateY(-3px); }

.login-card{
  border-radius:28px;
  background:rgba(10,10,10,0.55);
  border:1px solid rgba(255,255,255,0.12);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 16px 40px rgba(255,0,0,0.25), 0 12px 30px rgba(0,0,0,0.35);
  color:#fff;
  overflow:hidden;
  max-height:0;
  opacity:0;
  transform-origin: top center;
  transform:scale(.96);
  transition:max-height .55s cubic-bezier(.22,.61,.36,1), opacity .45s ease, transform .45s ease, border-radius .45s ease, padding .45s ease;
  padding:0 22px;
}

#loginToggle:checked ~ .login-trigger{ opacity:0; pointer-events:none; transform:translateY(-8px) scale(.96); }
#loginToggle:checked ~ .login-card{
  max-height:560px;
  opacity:1;
  transform:scale(1);
  border-radius:24px;
  padding:22px;
}

.login-card h3{ margin:12px 0 14px; color:#ff3a3a; font-weight:800; }

.field{ display:block; margin:10px 0; position:relative; }
.field input{
  width:100%; padding:12px 44px 12px 14px;
  border-radius:14px; outline:none;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.18);
  color:#fff;
}
.field input::placeholder{ color:#cfcfcf; }

.view-toggle{
  position:absolute; right:10px; top:50%; transform:translateY(-50%);
  display:flex; align-items:center; gap:6px; font-size:12px; color:#ddd; cursor:pointer;
  user-select:none;
}
#showPass{ display:none; }
.pass-mask{ display:block; }
.pass-plain{ display:none; }
#showPass:checked ~ .pass-mask{ display:none; }
#showPass:checked ~ .pass-plain{ display:block; }

.login-btn{
  width:100%; margin-top:12px; padding:12px 16px; border:0; border-radius:14px;
  color:#fff; background:linear-gradient(180deg,#ff3a3a,#ff1e1e);
  box-shadow:0 12px 28px rgba(255,30,30,0.35); font-weight:800; letter-spacing:.5px; cursor:pointer;
}
.login-close{
  display:inline-block; width:100%; margin-top:10px; padding:10px 14px;
  border-radius:12px; background:transparent; border:1px solid rgba(255,255,255,0.18);
  color:#ddd; text-align:center; cursor:pointer;
}

@media (max-width:575.98px){
  .intro{ width:92%; margin-top:56px; border-radius:20px; font-size:clamp(18px,6vw,28px); padding:14px 16px; }
  .login-wrap{ width:92%; margin-top:80px; }
  .login-trigger{ height:56px; }
}