:root{
  --bg:#000000;
  --bg-soft:#0a0a0f;
  --panel:#0f1117;
  --panel-2:#14161d;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --blue:#1f6feb;
  --blue-light:#3b82f6;
  --text:#f4f6fb;
  --muted:#9aa1ae;
  --green:#22c55e;
  --red:#ef4444;
  --gold:#f5b400;
  --radius:16px;
  --radius-sm:10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0; padding:0;}
body{
  background:var(--bg); color:var(--text); font-family:var(--font);
  padding-bottom:78px; /* space for mobile bottom nav */
  min-height:100vh;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
button, input, select, textarea{font-family:inherit;}
.container{max-width:1100px; margin:0 auto; padding:0 16px;}

/* ---------- top navbar ---------- */
.navbar{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:14px 16px; border-bottom:1px solid var(--border); position:sticky; top:0; z-index:40;
  background:rgba(0,0,0,.85); backdrop-filter:blur(8px);
}
.brand{display:flex; flex-direction:column; line-height:1.05;}
.brand .logo-text{font-size:20px; font-weight:800; color:var(--text);}
.brand .logo-text span{color:var(--blue-light);}
.brand .tagline{font-size:10px; color:var(--muted);}
.navbar-right{display:flex; align-items:center; gap:10px; position:relative;}
.currency-pill{
  display:flex; align-items:center; gap:6px; padding:8px 12px; border-radius:999px;
  background:var(--panel); border:1px solid var(--border); font-size:13px; font-weight:600; color:var(--blue-light);
}
.avatar{
  width:38px; height:38px; border-radius:50%; background:var(--blue); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:700; border:2px solid var(--blue-light);
  cursor:pointer;
}
.avatar-menu{
  position:absolute; right:0; top:46px; background:var(--panel); border:1px solid var(--border);
  border-radius:var(--radius-sm); min-width:180px; padding:6px; display:none; flex-direction:column; z-index:50;
  box-shadow:0 12px 30px rgba(0,0,0,.5);
}
.avatar-menu.open{display:flex;}
.avatar-menu a, .avatar-menu button{
  padding:10px 12px; border-radius:8px; text-align:left; background:none; border:none; color:var(--text);
  font-size:13.5px; cursor:pointer; width:100%;
}
.avatar-menu a:hover, .avatar-menu button:hover{background:var(--panel-2);}

/* ---------- bottom mobile nav ---------- */
.bottom-nav{
  position:fixed; left:0; right:0; bottom:0; z-index:40; display:flex;
  background:rgba(5,5,8,.95); border-top:1px solid var(--border); backdrop-filter:blur(10px);
  padding-bottom:env(safe-area-inset-bottom);
}
.bottom-nav a{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:3px; padding:10px 4px 8px;
  color:var(--muted); font-size:10.5px; font-weight:600; letter-spacing:.2px;
}
.bottom-nav a.active{color:var(--blue-light);}
.bottom-nav svg{width:20px; height:20px;}

/* ---------- hero ---------- */
.hero{
  position:relative; padding:56px 0 36px; text-align:center; overflow:hidden;
  background:radial-gradient(60% 50% at 50% 0%, rgba(31,111,235,.18), transparent 70%);
}
.trust-pill{
  display:inline-flex; align-items:center; gap:8px; padding:7px 16px; border-radius:999px;
  background:rgba(34,197,94,.12); border:1px solid rgba(34,197,94,.35); color:var(--green); font-size:12.5px; font-weight:700;
  margin-bottom:22px;
}
.hero h1{font-size:clamp(26px,6vw,44px); font-weight:800; line-height:1.15; margin:0 0 8px;}
.hero .accent-line{
  display:block; font-size:clamp(20px,5vw,32px); font-weight:800;
  background:linear-gradient(90deg,#3b82f6,#8b5cf6,#ef4444);
  -webkit-background-clip:text; background-clip:text; color:transparent; margin-top:6px;
}
.hero p.lead{max-width:640px; margin:18px auto 26px; color:var(--muted); font-size:15px; line-height:1.7;}
.hero-actions{display:flex; gap:12px; justify-content:center; flex-wrap:wrap;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px; cursor:pointer; border:none;
  border-radius:12px; padding:13px 22px; font-weight:700; font-size:14.5px; transition:transform .1s ease, filter .15s ease;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:linear-gradient(180deg,var(--blue-light),var(--blue)); color:#fff; box-shadow:0 8px 20px rgba(31,111,235,.35);}
.btn-primary:hover{filter:brightness(1.08);}
.btn-outline{background:var(--panel); color:var(--text); border:1px solid var(--border-strong);}
.btn-outline:hover{background:var(--panel-2);}
.btn-danger{background:linear-gradient(180deg,#f87171,var(--red)); color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px; font-size:12.5px; border-radius:9px;}
.btn[disabled]{opacity:.45; pointer-events:none;}

/* ---------- stats ---------- */
.stat-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin:30px 0;}
.stat-card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px 10px; text-align:center;
}
.stat-card .num{font-size:clamp(18px,3.4vw,26px); font-weight:800;}
.stat-card .lbl{font-size:11px; color:var(--muted); margin-top:4px; letter-spacing:.4px;}
.stat-card.blue .num{color:var(--blue-light);}
.stat-card.green .num{color:var(--green);}
.stat-card.gold .num{color:var(--gold);}
.stat-card.red .num{color:var(--red);}

/* ---------- section headers ---------- */
.section{padding:34px 0;}
.section-eyebrow{color:var(--blue-light); font-size:12.5px; font-weight:800; letter-spacing:1px; display:flex; align-items:center; gap:6px; justify-content:center; margin-bottom:8px;}
.section-title{text-align:center; font-size:clamp(22px,4vw,30px); font-weight:800; margin:0 0 8px;}
.section-title .accent{background:linear-gradient(90deg,#3b82f6,#8b5cf6); -webkit-background-clip:text; background-clip:text; color:transparent;}
.section-sub{text-align:center; color:var(--muted); max-width:560px; margin:0 auto 28px; font-size:14px; line-height:1.7;}

/* ---------- service cards ---------- */
.service-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:14px;}
.service-card{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:18px;
  display:flex; flex-direction:column; gap:10px;
}
.service-icon{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:var(--panel-2); border:1px solid var(--border);
}
.badge{
  display:inline-flex; padding:4px 10px; border-radius:999px; font-size:10.5px; font-weight:800; letter-spacing:.4px;
  background:rgba(59,130,246,.15); color:var(--blue-light); width:fit-content;
}
.service-card h4{margin:0; font-size:15.5px; font-weight:700;}
.service-card p{margin:0; color:var(--muted); font-size:12.5px; line-height:1.6; flex:1;}
.service-card .row{display:flex; align-items:center; justify-content:space-between; margin-top:4px;}
.rating{font-size:12px; color:var(--gold); font-weight:700;}

/* ---------- feature list ---------- */
.feature-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:14px;}
.feature-card{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:20px;}
.feature-card .ic{width:46px; height:46px; border-radius:12px; background:rgba(59,130,246,.15); display:flex; align-items:center; justify-content:center; margin-bottom:12px;}
.feature-card h4{margin:0 0 6px; font-size:15px;}
.feature-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.7;}

/* ---------- offer banner ---------- */
.offer-banner{
  background:linear-gradient(135deg, rgba(31,111,235,.18), rgba(139,92,246,.12));
  border:1px solid rgba(59,130,246,.35); border-radius:var(--radius); padding:22px; text-align:center;
}
.offer-banner h3{margin:0 0 6px; font-size:18px;}
.offer-banner p{margin:0 0 14px; color:var(--muted); font-size:13.5px;}
.offer-banner code{background:rgba(255,255,255,.08); padding:2px 8px; border-radius:6px; color:var(--blue-light); font-weight:700;}

/* ---------- panels / forms (dashboard) ---------- */
.page-head{padding:26px 0 6px;}
.page-head h1{font-size:26px; margin:0 0 4px; font-weight:800;}
.page-head p{color:var(--muted); margin:0; font-size:13.5px;}

.panel{background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:16px;}
.panel h3{margin:0 0 14px; font-size:15px;}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
@media (max-width:640px){ .grid-2{grid-template-columns:1fr;} .stat-grid{grid-template-columns:repeat(2,1fr);} }

.field{margin-bottom:16px;}
.field label{display:block; font-size:11.5px; letter-spacing:.5px; text-transform:uppercase; color:var(--muted); margin-bottom:7px; font-weight:700;}
.field input[type=text], .field input[type=email], .field input[type=password], .field input[type=number],
.field select, .field textarea{
  width:100%; padding:13px 14px; border-radius:var(--radius-sm); border:1px solid var(--border-strong);
  background:#000; color:var(--text); font-size:14px;
}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--blue-light);}
.field .hint{font-size:11.5px; color:var(--muted); margin-top:6px;}
.field .error{font-size:12px; color:var(--red); margin-top:6px;}
.checkbox-row{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted);}

.balance-card{display:flex; align-items:center; gap:14px; padding:18px; background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);}
.balance-card .ic{width:46px; height:46px; border-radius:12px; background:rgba(59,130,246,.15); display:flex; align-items:center; justify-content:center;}
.balance-card .lbl{font-size:11px; color:var(--muted); letter-spacing:.4px;}
.balance-card .val{font-size:22px; font-weight:800;}

/* ---------- tabs / filters ---------- */
.tabbar{display:flex; gap:8px; overflow-x:auto; padding-bottom:4px; margin-bottom:16px;}
.tabbar a, .tabbar button{
  flex-shrink:0; padding:9px 16px; border-radius:999px; font-size:12.5px; font-weight:700; cursor:pointer;
  background:var(--panel); border:1px solid var(--border); color:var(--muted);
}
.tabbar a.active, .tabbar button.active{background:linear-gradient(180deg,var(--blue-light),var(--blue)); color:#fff; border-color:transparent;}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius);}
table{width:100%; border-collapse:collapse; min-width:640px;}
thead th{
  text-align:left; font-size:11px; letter-spacing:.5px; text-transform:uppercase; color:var(--muted);
  padding:12px 14px; border-bottom:1px solid var(--border); background:var(--panel-2);
}
tbody td{padding:13px 14px; border-bottom:1px solid var(--border); font-size:13.5px;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(255,255,255,.02);}
.status-pill{padding:4px 10px; border-radius:999px; font-size:11px; font-weight:800; display:inline-block;}
.status-pending{background:rgba(245,180,0,.15); color:var(--gold);}
.status-in_progress, .status-processing{background:rgba(59,130,246,.15); color:var(--blue-light);}
.status-completed, .status-approved, .status-active{background:rgba(34,197,94,.15); color:var(--green);}
.status-partial{background:rgba(245,180,0,.15); color:var(--gold);}
.status-canceled, .status-rejected, .status-banned{background:rgba(239,68,68,.15); color:var(--red);}
.status-open{background:rgba(59,130,246,.15); color:var(--blue-light);}
.status-answered{background:rgba(34,197,94,.15); color:var(--green);}
.status-closed{background:rgba(154,161,174,.15); color:var(--muted);}

.empty-state{padding:50px 20px; text-align:center; color:var(--muted);}
.empty-state svg{width:44px; height:44px; margin-bottom:12px; opacity:.5;}

/* ---------- pagination ---------- */
.pagination{display:flex; gap:6px; flex-wrap:wrap; justify-content:center; margin-top:16px;}
.pagination a, .pagination span{
  padding:8px 13px; border-radius:8px; font-size:12.5px; background:var(--panel); border:1px solid var(--border); color:var(--muted);
}
.pagination .active{background:var(--blue); color:#fff; border-color:transparent;}

/* ---------- alerts ---------- */
.alert{padding:13px 16px; border-radius:12px; font-size:13.5px; margin-bottom:16px; border:1px solid transparent;}
.alert-success{background:rgba(34,197,94,.12); border-color:rgba(34,197,94,.35); color:#7ee2a4;}
.alert-error{background:rgba(239,68,68,.12); border-color:rgba(239,68,68,.35); color:#fca5a5;}

/* ---------- auth pages ---------- */
.auth-wrap{min-height:calc(100vh - 70px); display:flex; align-items:center; justify-content:center; padding:30px 16px;}
.auth-card{width:100%; max-width:400px; background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:28px;}
.auth-card h2{margin:0 0 4px; font-size:22px; font-weight:800; text-align:center;}
.auth-card p.sub{text-align:center; color:var(--muted); font-size:13px; margin:0 0 22px;}
.auth-switch{text-align:center; margin-top:16px; font-size:13px; color:var(--muted);}
.auth-switch a{color:var(--blue-light); font-weight:700;}

/* ---------- admin layout ---------- */
.admin-shell{display:flex; min-height:100vh;}
.admin-sidebar{
  width:220px; flex-shrink:0; background:var(--bg-soft); border-right:1px solid var(--border);
  padding:18px 12px; position:sticky; top:0; height:100vh; overflow-y:auto;
}
.admin-sidebar .brand{padding:6px 8px 18px;}
.admin-nav a{
  display:flex; align-items:center; gap:10px; padding:11px 12px; border-radius:10px; color:var(--muted);
  font-size:13.5px; font-weight:600; margin-bottom:3px;
}
.admin-nav a.active, .admin-nav a:hover{background:var(--panel); color:var(--text);}
.admin-main{flex:1; padding:22px; min-width:0;}
.admin-topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; flex-wrap:wrap; gap:10px;}
@media (max-width:860px){
  .admin-shell{flex-direction:column;}
  .admin-sidebar{width:100%; height:auto; position:static; display:flex; overflow-x:auto; align-items:center;}
  .admin-nav{display:flex; gap:6px;}
  .admin-nav a{white-space:nowrap;}
}

.kv-row{display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid var(--border); font-size:13.5px;}
.kv-row:last-child{border-bottom:none;}
.kv-row .k{color:var(--muted);}

/* ---------- footer ---------- */
footer.site-footer{border-top:1px solid var(--border); padding:26px 0; text-align:center; color:var(--muted); font-size:12.5px;}

/* ---------- payment wizard (multi-step funds flow) ---------- */
.pay-step{display:none;}
.pay-step.active{display:block;}
.pay-step-head{display:flex; align-items:center; gap:12px; margin-bottom:16px;}
.pay-back-btn{
  width:36px; height:36px; border-radius:50%; background:var(--panel); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--text); flex-shrink:0;
}
.gateway-card{
  display:flex; flex-direction:column; align-items:center; gap:10px; padding:22px;
  border:2px solid var(--blue-light); border-radius:var(--radius); background:var(--panel);
  max-width:240px; margin:0 auto 20px; text-align:center; position:relative;
}
.gateway-card .radio-dot{position:absolute; top:12px; right:12px; width:18px; height:18px; border-radius:50%; background:var(--blue-light);}
.gateway-card .ic{width:48px; height:48px; border-radius:12px; background:rgba(59,130,246,.15); display:flex; align-items:center; justify-content:center;}
.gateway-card .name{font-weight:800; font-size:15px;}
.gateway-card .tag{font-size:11px; padding:3px 10px; border-radius:999px; background:var(--panel-2); color:var(--muted);}
.amount-hint{font-size:12px; color:var(--blue-light); text-align:right; margin-bottom:6px;}

.invoice-card{
  background:linear-gradient(135deg,var(--blue-light),var(--blue)); border-radius:var(--radius); padding:22px;
  color:#fff; margin-bottom:20px;
}
.invoice-card .row{display:flex; justify-content:space-between; align-items:flex-start;}
.invoice-card .paying-to{font-size:11px; opacity:.85; letter-spacing:.5px; text-transform:uppercase;}
.invoice-card .brand{font-size:17px; font-weight:800; margin-top:2px;}
.invoice-card .inv-id{font-size:10px; opacity:.85; text-align:right;}
.invoice-card .inv-id-val{background:rgba(255,255,255,.18); padding:4px 10px; border-radius:8px; font-weight:700; margin-top:4px; display:inline-flex; align-items:center; gap:6px; cursor:pointer;}
.invoice-card .total-lbl{font-size:12px; opacity:.85; margin-top:16px;}
.invoice-card .total-val{font-size:30px; font-weight:800; margin-top:2px;}

.method-section-label{font-size:12px; font-weight:700; color:var(--muted); text-transform:uppercase; letter-spacing:.5px; margin-bottom:10px;}
.method-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:22px;}
.method-card{
  border:2px solid var(--border); border-radius:14px; padding:16px 10px; text-align:center; cursor:pointer;
  background:#fff; color:#111; position:relative;
}
.method-card.selected{border-color:var(--blue-light); box-shadow:0 0 0 3px rgba(59,130,246,.25);}
.method-card .badge-personal{position:absolute; top:6px; right:8px; font-size:9px; color:#888; font-weight:700; letter-spacing:.3px;}
.method-card .logo-text{font-weight:800; font-size:16px; margin-top:14px;}
.method-card.bkash .logo-text{color:#e2136e;}
.method-card.nagad .logo-text{color:#ec1c24;}
.method-card.rocket .logo-text{color:#8c3494;}

.instructions-box{border-radius:var(--radius); padding:20px; color:#fff; margin-bottom:18px;}
.instructions-box.bkash{background:linear-gradient(160deg,#e2136e,#a10e4f);}
.instructions-box.nagad{background:linear-gradient(160deg,#f6921e,#c9440a);}
.instructions-box.rocket{background:linear-gradient(160deg,#8c3494,#5c1f61);}
.instructions-box h4{text-align:center; margin:0 0 16px; font-size:16px;}
.instructions-box .step-line{padding:10px 0; border-top:1px solid rgba(255,255,255,.25); font-size:13px; line-height:1.6;}
.instructions-box .step-line:first-of-type{border-top:none;}
.instructions-box .recv-number{display:flex; align-items:center; gap:10px; margin-top:6px; flex-wrap:wrap;}
.instructions-box .recv-number b{font-size:16px;}
.copy-chip{background:rgba(0,0,0,.25); border:none; color:#fff; padding:5px 12px; border-radius:8px; font-size:11px; font-weight:700; cursor:pointer;}

/* small helpers */
.text-center{text-align:center;}
.text-muted{color:var(--muted);}
.text-green{color:var(--green);}
.text-red{color:var(--red);}
.mt-0{margin-top:0;}
.flex{display:flex;}
.gap-8{gap:8px;}
.items-center{align-items:center;}
.justify-between{justify-content:space-between;}
.w-full{width:100%;}