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

body{

font-family:'Poppins',sans-serif;

background-image:url("../Static/main.png");
background-size:cover;
background-position:center;

height:100vh;
width:100%;

overflow:hidden;

color:white;
}

/* затемнение */

.overlay{

position:fixed;

top:0;
left:0;

width:100%;
height:100%;

background:rgba(0,0,0,0.55);
backdrop-filter:blur(3px);

z-index:0;
}

/* карта */

.map-wrapper{

position:relative;
z-index:2;

width:100%;
height:100vh;

padding:30px;
}

.map-frame{

width:100%;
height:100%;

border:none;

border-radius:18px;

box-shadow:0 0 40px rgba(0,0,0,0.6);
}

/* кнопка назад */

.back-btn{

position:absolute;

top:25px;
left:30px;

z-index:5;

text-decoration:none;

padding:12px 20px;

background:linear-gradient(
145deg,
rgba(0,20,40,0.9),
rgba(0,0,0,0.7)
);

border-radius:14px;

color:white;

font-size:18px;

backdrop-filter:blur(10px);

box-shadow:0 0 20px rgba(0,0,0,0.5);

transition:0.3s;
}

.back-btn:hover{

transform:scale(1.05);

box-shadow:0 0 30px rgba(120,180,255,0.8);

color:#7fb8ff;

}