*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Noto Sans Bengali',sans-serif;
}

body{
background:#f5f7fa;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
}

.flex-between{
display:flex;
align-items:center;
justify-content:space-between;
}

/* TOP BAR */
.top-bar{
background:#0d1b2a;
color:#fff;
font-size:14px;
padding:8px 0;
}

/* HEADER */
.main-header{
position:sticky;
top:0;
background:rgba(255,255,255,0.85);
backdrop-filter:blur(10px);
box-shadow:0 4px 20px rgba(0,0,0,0.05);
z-index:999;
}

.logo{
display:flex;
align-items:center;
font-size:22px;
font-weight:700;
color:#0d1b2a;
text-decoration:none;
gap:8px;
}

.nav{
display:flex;
gap:25px;
}

.nav a{
text-decoration:none;
color:#333;
font-weight:500;
position:relative;
transition:0.3s;
}

.nav a:hover{
color:#0d6efd;
}

.actions{
display:flex;
align-items:center;
gap:15px;
}

.btn{
background:#0d6efd;
color:#fff;
border:none;
padding:8px 16px;
border-radius:6px;
cursor:pointer;
}

.btn-outline{
border:1px solid #0d6efd;
background:none;
color:#0d6efd;
padding:8px 16px;
border-radius:6px;
cursor:pointer;
}

.badge{
background:red;
color:#fff;
font-size:12px;
padding:2px 6px;
border-radius:50px;
margin-left:5px;
}

/* Dropdown */
.dropdown{
position:relative;
}

.dropdown-menu{
display:none;
position:absolute;
top:45px;
right:0;
background:#fff;
box-shadow:0 10px 30px rgba(0,0,0,0.1);
border-radius:8px;
overflow:hidden;
min-width:180px;
animation:fadeIn 0.3s ease;
}

.dropdown-menu a{
display:block;
padding:10px 15px;
color:#333;
text-decoration:none;
}

.dropdown-menu a:hover{
background:#f1f1f1;
}

@keyframes fadeIn{
from{opacity:0;transform:translateY(10px);}
to{opacity:1;transform:translateY(0);}
}

/* Flash */
.flash{
text-align:center;
padding:10px;
color:#fff;
}

.flash.success{background:#28a745;}
.flash.error{background:#dc3545;}

/* Mobile */
.mobile-btn{
display:none;
font-size:22px;
background:none;
border:none;
}

@media(max-width:900px){
.nav{
display:none;
flex-direction:column;
background:#fff;
position:absolute;
top:70px;
left:0;
width:100%;
padding:20px;
box-shadow:0 10px 20px rgba(0,0,0,0.1);
}
.nav.show{display:flex;}
.mobile-btn{display:block;}
}