body{background-image:radial-gradient(circle at 18% 12%,rgba(59,130,246,0.08) 0%,transparent 42%),radial-gradient(circle at 82% 88%,rgba(250,204,21,0.05) 0%,transparent 38%),radial-gradient(circle at 50% 50%,rgba(13,148,136,0.04) 0%,transparent 60%);background-attachment:fixed}
:root{--ue-radius-card:14px;--ue-radius-btn:9px;--ue-radius-input:8px;--ue-shadow-card:0 6px 22px rgba(2,44,34,0.38),0 1px 3px rgba(0,0,0,0.22);--ue-shadow-card-hover:0 16px 40px rgba(2,44,34,0.5),0 4px 12px rgba(34,197,94,0.12);--ue-shadow-btn:0 4px 14px rgba(34,197,94,0.22);--ue-shadow-btn-hover:0 8px 26px rgba(34,197,94,0.38);--ue-transition:0.3s cubic-bezier(0.4,0,0.2,1);--ue-blue-grad:linear-gradient(135deg,#3b82f6,#1d4ed8);--ue-gold-grad:linear-gradient(135deg,#facc15,#eab308);--ue-font-bn:'Noto Sans Bengali','Hind Siliguri','SolaimanLipi','Poppins',system-ui,-apple-system,sans-serif}
body{font-family:var(--ue-font-bn);line-height:1.75;letter-spacing:0.005em}
h1,h2,h3,h4,h5,h6{font-family:var(--ue-font-bn);line-height:1.5;letter-spacing:-0.01em}
main section{padding-top:68px;padding-bottom:68px}
@media(min-width:768px){main section{padding-top:80px;padding-bottom:80px}}
.ck-card{background:linear-gradient(155deg,rgba(6,80,64,0.92),rgba(4,74,57,0.88));border:1px solid rgba(34,197,94,0.18);border-radius:var(--ue-radius-card);box-shadow:var(--ue-shadow-card);transition:transform var(--ue-transition),box-shadow var(--ue-transition),border-color var(--ue-transition);position:relative}
.ck-card::before{content:"";position:absolute;inset:0;border-radius:var(--ue-radius-card);background:linear-gradient(135deg,rgba(34,197,94,0.14),transparent 55%);pointer-events:none}
.ck-card:hover{transform:translateY(-4px);box-shadow:var(--ue-shadow-card-hover);border-color:rgba(34,197,94,0.42)}
.btn-primary-ck,.btn-brand{background:linear-gradient(135deg,#16a34a,#22c55e);color:#f0fdf4;border:1px solid rgba(34,197,94,0.5);border-radius:var(--ue-radius-btn);box-shadow:var(--ue-shadow-btn),inset 0 1px 0 rgba(255,255,255,0.12);transition:transform var(--ue-transition),box-shadow var(--ue-transition),filter var(--ue-transition);font-weight:700}
.btn-primary-ck:hover,.btn-brand:hover{background:linear-gradient(135deg,#22c55e,#4ade80);color:#f0fdf4;transform:scale(1.025);box-shadow:var(--ue-shadow-btn-hover),inset 0 1px 0 rgba(255,255,255,0.18);filter:brightness(1.06)}
.btn-primary-ck:active,.btn-brand:active{transform:scale(0.98)}
.btn-outline-ck,.btn-outline-brand{border:1px solid rgba(34,197,94,0.55);color:#4ade80;background:rgba(34,197,94,0.04);border-radius:var(--ue-radius-btn);transition:transform var(--ue-transition),background var(--ue-transition),box-shadow var(--ue-transition),color var(--ue-transition)}
.btn-outline-ck:hover,.btn-outline-brand:hover{background:rgba(34,197,94,0.14);color:#86efac;transform:scale(1.025);box-shadow:0 4px 16px rgba(34,197,94,0.18);border-color:rgba(34,197,94,0.7)}
.btn-nav-register{background:var(--ue-blue-grad);border:1px solid rgba(59,130,246,0.6);color:#ffffff;box-shadow:0 4px 16px rgba(59,130,246,0.32),inset 0 1px 0 rgba(255,255,255,0.16)}
.btn-nav-register:hover{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#ffffff;transform:scale(1.03);box-shadow:0 8px 26px rgba(59,130,246,0.48),inset 0 1px 0 rgba(255,255,255,0.22)}
.navbar .nav-link{transition:color var(--ue-transition),background-color var(--ue-transition);border-radius:6px}
.navbar .nav-link:hover,.navbar .nav-link:focus{color:#4ade80;background:rgba(34,197,94,0.08)}
.section-title{background:linear-gradient(135deg,#f0fdf4 30%,#4ade80 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#4ade80;letter-spacing:-0.02em}
.section-title::after{content:"";display:block;width:56px;height:3px;margin-top:0.6rem;background:linear-gradient(90deg,#22c55e,#facc15);border-radius:2px}
footer .footer-title,footer .footer-heading,footer [data-footer-group-title]>:is(h2,h3,h4,h5,h6){text-shadow:0 1px 2px rgba(0,0,0,0.3)}
.text-warning,.text-gold,[style*="color"][style*="facc15"],[style*="color"][style*="fbbf24"]{text-shadow:0 0 18px rgba(250,204,21,0.32),0 1px 1px rgba(0,0,0,0.25)}
.form-control,.form-select,input[type="text"],input[type="email"],input[type="password"],input[type="search"],textarea,select{border-radius:var(--ue-radius-input);border:1px solid rgba(34,197,94,0.22);background:rgba(2,44,34,0.6);color:#f0fdf4;transition:border-color var(--ue-transition),box-shadow var(--ue-transition),background var(--ue-transition)}
.form-control:focus,.form-select:focus,input:focus,textarea:focus,select:focus{border-color:rgba(34,197,94,0.55);background:rgba(2,44,34,0.8);box-shadow:0 0 0 3px rgba(34,197,94,0.14);outline:none}
.form-control::placeholder,input::placeholder,textarea::placeholder{color:rgba(110,231,183,0.55)}
.hero-section{background-image:radial-gradient(ellipse at top,rgba(34,197,94,0.1),transparent 60%),radial-gradient(ellipse at bottom right,rgba(59,130,246,0.06),transparent 50%)}
.faq-section .accordion-item,.faq-section details{border-radius:var(--ue-radius-card);border:1px solid rgba(34,197,94,0.18);background:rgba(6,80,64,0.7);transition:border-color var(--ue-transition),box-shadow var(--ue-transition)}
.faq-section .accordion-item:hover,.faq-section details:hover{border-color:rgba(34,197,94,0.36);box-shadow:var(--ue-shadow-card)}
.author-box{background:linear-gradient(90deg,rgba(2,44,34,0.95),rgba(6,80,64,0.9),rgba(2,44,34,0.95));border:1px solid rgba(34,197,94,0.22);border-radius:var(--ue-radius-card);box-shadow:var(--ue-shadow-card)}
.bd-hot-links a{border-radius:8px;transition:transform var(--ue-transition),background var(--ue-transition),color var(--ue-transition),box-shadow var(--ue-transition)}
.bd-hot-links a:hover{transform:translateX(3px);box-shadow:0 3px 10px rgba(34,197,94,0.15)}
img{border-radius:10px;transition:transform var(--ue-transition),filter var(--ue-transition)}
.ck-card img:hover{transform:scale(1.02)}
.has-floating-cta .btn-primary-ck[href*="register"],.has-floating-cta .btn-nav-register{box-shadow:0 4px 20px rgba(34,197,94,0.3),0 0 0 1px rgba(34,197,94,0.3)}
a{transition:color var(--ue-transition)}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#022c22}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#22c55e,#16a34a);border-radius:10px;border:2px solid #022c22}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#4ade80,#22c55e)}
::-moz-scrollbar{width:9px;height:9px}
::-moz-scrollbar-track{background:#022c22}
::-moz-scrollbar-thumb{background:#22c55e;border-radius:10px;border:2px solid #022c22}
*{scrollbar-width:thin;scrollbar-color:#22c55e #022c22}
.accordion-button{transition:background var(--ue-transition),color var(--ue-transition)}
.accordion-button:not(.collapsed){background:rgba(34,197,94,0.12);color:#4ade80;box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(34,197,94,0.14);border-color:rgba(34,197,94,0.4)}
footer .footer-main a,footer a{transition:color var(--ue-transition),padding-left var(--ue-transition)}
footer .footer-main a:hover,footer a:hover{padding-left:4px}
.badge{border-radius:6px;font-weight:600;transition:transform var(--ue-transition)}
.badge:hover{transform:scale(1.05)}
.modal-content{border-radius:var(--ue-radius-card);border:1px solid rgba(34,197,94,0.22);box-shadow:var(--ue-shadow-card-hover);background:linear-gradient(155deg,rgba(6,80,64,0.97),rgba(4,74,57,0.95))}
.modal-header,.modal-footer{border-color:rgba(34,197,94,0.18)}
.dropdown-menu{border-radius:var(--ue-radius-card);border:1px solid rgba(34,197,94,0.22);background:rgba(4,61,47,0.98);box-shadow:var(--ue-shadow-card-hover);padding:6px}
.dropdown-item{border-radius:6px;transition:background var(--ue-transition),color var(--ue-transition)}
.dropdown-item:hover,.dropdown-item:focus{background:rgba(34,197,94,0.14);color:#4ade80}
.nav-tabs .nav-link{border-radius:8px 8px 0 0;transition:background var(--ue-transition),color var(--ue-transition),border-color var(--ue-transition)}
.page-link{border-radius:7px;margin:0 2px;border-color:rgba(34,197,94,0.22);background:rgba(6,80,64,0.6);color:#4ade80;transition:all var(--ue-transition)}
.page-link:hover{background:rgba(34,197,94,0.16);color:#86efac;border-color:rgba(34,197,94,0.4)}
.page-item.active .page-link{background:linear-gradient(135deg,#16a34a,#22c55e);border-color:rgba(34,197,94,0.5)}
.progress{border-radius:8px;background:rgba(2,44,34,0.7)}
.progress-bar{background:linear-gradient(90deg,#16a34a,#22c55e,#4ade80)}
.table{border-radius:var(--ue-radius-card);overflow:hidden}
.table thead th{background:rgba(2,26,21,0.8);color:#4ade80;border-color:rgba(34,197,94,0.2)}
.table td{border-color:rgba(34,197,94,0.12)}
.table tbody tr{transition:background var(--ue-transition)}
.table tbody tr:hover{background:rgba(34,197,94,0.06)}
.alert{border-radius:var(--ue-radius-card);border:1px solid rgba(34,197,94,0.25)}
.alert-success{background:rgba(34,197,94,0.1);color:#86efac}
.alert-info{background:rgba(59,130,246,0.1);color:#93c5fd}
.alert-warning{background:rgba(250,204,21,0.1);color:#fde68a}
.alert-danger{background:rgba(239,68,68,0.1);color:#fca5a5}
::selection{background:rgba(34,197,94,0.32);color:#f0fdf4}
::moz-selection{background:rgba(34,197,94,0.32);color:#f0fdf4}
.ck-card h2,.ck-card h3,.ck-card h4,.ck-card h5{transition:color var(--ue-transition)}
.ck-card:hover h2,.ck-card:hover h3,.ck-card:hover h4,.ck-card:hover h5{color:#86efac}
.text-primary,.text-success{color:#4ade80}
a.text-primary:hover,a.text-success:hover{color:#86efac}
.btn-link{color:#4ade80;transition:color var(--ue-transition)}
.btn-link:hover{color:#86efac}
.rg-section{scroll-margin-top:90px}
.faq-section{scroll-margin-top:90px}
.author-box{scroll-margin-top:90px}
.navbar{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.ck-card .card-img-top,.ck-card .card-img{overflow:hidden}
hr,div[style*="border-bottom"]{border-color:rgba(34,197,94,0.18)}