:root{
  --bg:#fdf6ec; --surface:#ffffff; --surface-2:#fbf1e3; --line:#e6d5bb;
  --ink:#2b1a10; --ink-2:#6b5442; --ink-3:#95806c;
  --brand:#b3261e; --brand-2:#8c1a14; --gold:#c8952a; --gold-soft:#f6e6c4;
  --green:#1f7a4d; --green-soft:#e2f3e9; --red:#b3261e; --red-soft:#fae3e1;
  --blue:#1f5c8c; --blue-soft:#e3eef7;
  --shadow:0 1px 2px rgba(60,30,10,.06),0 8px 24px rgba(60,30,10,.07);
  --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#16110d; --surface:#1f1813; --surface-2:#261d16; --line:#3a2d23;
    --ink:#f5ece0; --ink-2:#c7b6a3; --ink-3:#9a8875;
    --brand:#e4564c; --brand-2:#f07268; --gold:#e0b45c; --gold-soft:#3a2d18;
    --green:#5cc98d; --green-soft:#16301f; --red:#ef6b60; --red-soft:#331a18;
    --blue:#6fb3e8; --blue-soft:#15263a;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font-family:"Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Noto Serif Bengali",serif;line-height:1.35;margin:0}
a{color:var(--brand)}
code{background:var(--surface-2);padding:1px 6px;border-radius:5px;font-size:13.5px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}

/* header */
.topbar{background:linear-gradient(135deg,var(--brand-2),var(--brand) 55%,#d4633a);
  color:#fff;padding:22px 0 18px;position:relative;overflow:hidden}
.topbar::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 18px,transparent 18px 36px);opacity:.85}
.brandrow{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.tri{width:52px;height:52px;flex:0 0 auto;object-fit:contain;border-radius:50%;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25))}
.brandrow h1{font-size:clamp(20px,4.4vw,30px);color:#fff;font-weight:700}
.brandrow .sub{font-size:13px;opacity:.92;margin-top:2px}
.contactline{margin-top:10px;font-size:13px;opacity:.95;display:flex;flex-wrap:wrap;gap:6px 18px}
.contactline span{display:inline-flex;gap:6px;align-items:center}
.contactline a{color:#fff;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.6)}

/* nav */
nav.tabs{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line)}
.tabs-inner{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.tabs-inner::-webkit-scrollbar{display:none}
.tab{padding:14px 16px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  border-bottom:3px solid transparent;text-decoration:none;display:inline-block}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--brand);border-bottom-color:var(--brand)}
.tab.right{margin-left:auto}

main{padding:24px 0 64px}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card + .card{margin-top:18px}
.card-h{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;
  justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.card-h h2{font-size:18px}
.card-b{padding:18px}
.muted{color:var(--ink-2)} .small{font-size:13px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold)}
.stat.g::before{background:var(--green)} .stat.r::before{background:var(--red)} .stat.b::before{background:var(--blue)}
.stat .lbl{font-size:13px;color:var(--ink-2);font-weight:500}
.stat .val{font-family:"Noto Serif Bengali",serif;font-size:clamp(20px,3.6vw,27px);font-weight:700;margin-top:4px}
.stat .sub{font-size:12px;color:var(--ink-3);margin-top:2px}

/* tables */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:14.5px}
th,td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--line);vertical-align:top}
th:first-child,td:first-child,th.l,td.l{text-align:left}
thead th{background:var(--surface-2);font-weight:600;color:var(--ink-2);font-size:13px}
tbody tr:hover{background:var(--surface-2)}
tfoot td{font-weight:700;background:var(--surface-2);border-bottom:0}
.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{padding:34px 18px;text-align:center;color:var(--ink-3)}
.empty .big{font-size:30px;margin-bottom:6px}

.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--gold-soft);color:var(--ink-2);border:1px solid var(--line)}
.pill.g{background:var(--green-soft);color:var(--green)}
.pill.b{background:var(--blue-soft);color:var(--blue)}

/* forms */
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:4px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;
  background:var(--bg);color:var(--ink);font:inherit;font-size:15px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand)}
textarea{min-height:70px;resize:vertical}
.btn{display:inline-block;border:1px solid transparent;border-radius:10px;padding:9px 16px;
  font:inherit;font-family:inherit;font-weight:600;cursor:pointer;background:var(--brand);
  color:#fff;text-decoration:none}
.btn:hover{background:var(--brand-2)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn.danger{background:transparent;color:var(--red);border-color:var(--line)}
.btn.danger:hover{background:var(--red-soft)}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar input[type="search"]{max-width:250px}

.notice{padding:12px 14px;border-radius:10px;background:var(--gold-soft);border:1px solid var(--line);font-size:14.5px}
.notice.ok{background:var(--green-soft);color:var(--green)}
.notice.bad{background:var(--red-soft);color:var(--red)}
.flash{margin-bottom:16px}

.bars{display:flex;flex-direction:column;gap:9px}
.bar-row{display:grid;grid-template-columns:minmax(90px,150px) 1fr auto;gap:10px;align-items:center;font-size:14px}
.bar{height:9px;border-radius:99px;background:var(--surface-2);overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--brand))}

details.adm{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);
  box-shadow:var(--shadow);overflow:hidden}
details.adm + details.adm{margin-top:14px}
details.adm > summary{padding:14px 18px;cursor:pointer;font-weight:700;
  font-family:"Noto Serif Bengali",serif;font-size:17px;list-style:none;
  display:flex;justify-content:space-between;align-items:center}
details.adm > summary::-webkit-details-marker{display:none}
details.adm > summary::after{content:"+";font-size:20px;color:var(--ink-3)}
details.adm[open] > summary::after{content:"–"}
details.adm > summary:hover{background:var(--surface-2)}
.adm-b{padding:0 18px 18px}

/* গ্যালারি */
.gyears{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.gyear{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  cursor:pointer;font-size:13px;font-weight:600;color:var(--ink-2);font-family:inherit;
  text-decoration:none;display:inline-block}
.gyear.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.ggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.gitem{position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;cursor:pointer;
  background:var(--surface-2);border:1px solid var(--line)}
.gitem img{width:100%;height:100%;object-fit:cover;display:block}
.gitem .playmark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25)}
.gitem .cap{position:absolute;left:0;right:0;bottom:0;padding:5px 8px;
  background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;font-size:11.5px;line-height:1.3}

#lightbox{position:fixed;inset:0;background:rgba(10,6,3,.92);display:none;
  align-items:center;justify-content:center;z-index:200;padding:20px}
#lightbox.on{display:flex}
#lightbox .lbinner{max-width:920px;width:100%}
#lightbox img{max-width:100%;max-height:82vh;display:block;margin:0 auto;border-radius:8px}
#lightbox iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:8px}
#lightbox .close{position:absolute;top:16px;right:22px;color:#fff;font-size:32px;cursor:pointer;line-height:1}

.authwrap{max-width:430px;margin:8vh auto;padding:0 16px}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.pager a,.pager span{padding:5px 11px;border:1px solid var(--line);border-radius:8px;
  text-decoration:none;color:var(--ink-2);font-size:14px}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}

footer{border-top:1px solid var(--line);padding:22px 0 34px;color:var(--ink-2);font-size:13.5px;text-align:center}

@media (max-width:560px){.card-b{padding:14px}.contactline{font-size:12px}}
@media print{
  nav.tabs,.toolbar,.btn,footer,.topbar::after{display:none!important}
  body{background:#fff;color:#000}
  .card{box-shadow:none;border-color:#ccc}
}

/* অনুদান পাতা */
.donate-card{max-width:640px;margin:0 auto;overflow:hidden}
.donate-hero{text-align:center;padding:26px 18px 8px;background:linear-gradient(180deg,var(--gold-soft),transparent)}
.donate-logo{width:96px;height:96px;border-radius:50%;box-shadow:var(--shadow);background:#fff}
.donate-hero h2{font-size:26px;margin-top:10px}
.donate-btn{font-size:18px;padding:14px 30px;border-radius:12px;background:#0070ba}
.donate-btn:hover{background:#005ea6}
.donate-steps,.donate-contact,.donate-opt{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}
.donate-steps h3,.donate-contact h3,.donate-opt h3{font-size:16px;margin-bottom:6px}
.donate-steps ol{margin:0;padding-left:22px;color:var(--ink-2)}
.donate-contact div{color:var(--ink-2);margin:3px 0}

.upi-wrap{display:flex;gap:18px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:14px}
.upi-qr{width:180px;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;padding:6px}
.upi-info{text-align:left}
.upi-name{font-weight:700;font-family:"Noto Serif Bengali",serif;font-size:16px;margin-bottom:6px}
.upi-id-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.upi-id-row code{background:var(--surface-2);padding:4px 10px;border-radius:8px;font-size:14px;border:1px solid var(--line)}
@media (max-width:420px){.upi-wrap{flex-direction:column;text-align:center}.upi-info{text-align:center}
  .upi-id-row{justify-content:center}}