*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Segoe UI',sans-serif;
  -webkit-tap-highlight-color: transparent;
  -webkit-focus-ring-color: transparent;
}
*:focus,*:active{outline:none;box-shadow:none;}
html{scroll-behavior:smooth;}


:root{
  --bg:#0f172a;
  --card:#111827;
  --text:#e5e7eb;
  --accent:#6366f1;
}
.light{
  --bg:#f3f4f6;
  --card:#ffffff;
  --text:#111827;
  --accent:#4f46e5;
}

body{
  min-height:100vh;
  background:var(--bg);
  color:var(--text);
  display:flex;
  justify-content:center;
  align-items:center;
  overflow:hidden;
}

.made-by{
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  padding: 6px 14px;
  border-radius: 20px;
 
  backdrop-filter: blur(6px);
  color: var(--text);
  z-index: 100;
}


.particles span{
  position:absolute;
  width:6px;
  height:6px;
  background:rgba(255,255,255,.15);
  border-radius:50%;
  animation:float 10s linear infinite;
}
@keyframes float{
  from{transform:translateY(100vh) scale(0)}
  to{transform:translateY(-10vh) scale(1)}
}


#openBtn{
  padding:14px 32px;
  font-size:18px;
  border-radius:50px;
  border:none;
  cursor:pointer;
  background:linear-gradient(135deg,var(--accent),#9333ea);
  color:white;
  box-shadow:0 10px 30px rgba(0,0,0,.3);
  transition:.3s;
}
#openBtn:hover{transform:scale(1.05);}


.modal{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(6px);
  justify-content:center;
  align-items:center;
  z-index:99;
}


.box{
  width:92%;
  max-width:380px;
  background:var(--card);
  padding:25px;
  border-radius:16px;
  box-shadow:0 25px 60px rgba(0,0,0,.5);
  animation:pop .4s ease;
  transform-style:preserve-3d;
}
@keyframes pop{
  from{transform:scale(.8) translateY(40px);opacity:0}
  to{transform:scale(1) translateY(0);opacity:1}
}

.close{
  position:absolute;
  right:18px;
  top:12px;
  cursor:pointer;
  font-size:22px;
}

h2{text-align:center;margin-bottom:10px;}
input,textarea{
  width:100%;
  padding:12px;
  margin:8px 0;
  border-radius:8px;
  border:1px solid #374151;
  background:transparent;
  color:var(--text);
}
textarea{resize:none;height:90px}


.stars{
  display:flex;
  justify-content:center;
  flex-direction:row-reverse;
}
.stars input{display:none}
.stars label{
  font-size:32px;
  color:#4b5563;
  cursor:pointer;
}
.stars input:checked ~ label,
.stars label:hover,
.stars label:hover ~ label{
  color:gold;
}


button.submit{
  margin-top:10px;
  padding:12px;
  width:100%;
  border:none;
  border-radius:10px;
  background:linear-gradient(135deg,var(--accent),#9333ea);
  color:white;
  font-size:16px;
  cursor:pointer;
  transition:.3s;
}
button.submit:hover{transform:translateY(-2px);}


.success{
  display:none;
  text-align:center;
  padding:30px 10px;
}
.success span{font-size:42px;display:block}


.toggle{
  position:fixed;
  top:20px;
  right:20px;
  background:var(--card);
  border-radius:30px;
  padding:8px 14px;
  cursor:pointer;
  box-shadow:0 10px 20px rgba(0,0,0,.3);
}

@media(min-width:768px){
  .box{max-width:420px;}
}
@media(min-width:1024px){
  .box{max-width:460px;}

}