:root{--bg:#f4f6f9;--card:#fff;--ink:#1d2433;--muted:#6b7385;--line:#e2e6ee;--brand:#0b6b57;--brand2:#0e8a70;--bad:#b42318;--okbg:#e7f6ee;--badbg:#fdecea}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand)}
.top{display:flex;align-items:center;gap:20px;background:var(--brand);color:#fff;padding:0 20px;height:52px;flex-wrap:wrap}
.brand{font-weight:700;font-size:17px}
.top nav{display:flex;gap:4px;flex:1}
.top nav a{color:#d6efe8;text-decoration:none;padding:6px 12px;border-radius:6px}
.top nav a.on,.top nav a:hover{background:rgba(255,255,255,.16);color:#fff}
.who{font-size:13px}.who a{color:#fff}
main{max-width:1050px;margin:24px auto;padding:0 16px}
h1{font-size:22px;margin:0 0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.stat b{display:block;font-size:26px}.stat span{color:var(--muted);font-size:13px}
form .row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:14px}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
input,select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:7px;font:inherit;background:#fff}
input:focus,select:focus{outline:2px solid #b7e3d6;border-color:var(--brand2)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;padding:9px 16px;border-radius:7px;font:inherit;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand2)}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.bad{background:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:16px}
.flash.ok{background:var(--okbg);color:#085c3a}.flash.err{background:var(--badbg);color:var(--bad)}
.tag{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;background:#eef1f6}
.tag.used{background:#fde7c8}.tag.unused{background:#d9f2e6}
.login{max-width:360px;margin:12vh auto}
.muted{color:var(--muted)}.right{text-align:right}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* ===== Mobile / small screens ===== */
html{-webkit-text-size-adjust:100%}
img,svg{max-width:100%}
.grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr))}
form .row{grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr))}

@media (max-width:760px){
  .top{height:auto;padding:8px 12px;gap:6px 10px}
  .brand{font-size:16px}
  .who{margin-left:auto}
  .top nav{order:3;width:100%;flex:none;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px;scrollbar-width:none}
  .top nav::-webkit-scrollbar{display:none}
  .top nav a{padding:8px 10px;font-size:14px;flex:none}
  .top nav{-webkit-mask-image:linear-gradient(to right,#000 90%,transparent);mask-image:linear-gradient(to right,#000 90%,transparent)}
  main{margin:14px auto;padding:0 12px}
  h1{font-size:20px}
  .card{padding:14px;border-radius:10px}
  .stat{padding:12px}.stat b{font-size:22px}

  /* comfortable touch targets; 16px stops iOS from zooming into inputs */
  input,select{font-size:16px;padding:11px 10px;min-height:44px}
  input[type=checkbox]{min-height:0}
  .btn{min-height:44px;padding:11px 16px;text-align:center}
  form>button.btn:not(.sm){width:100%}
  .btn.sm{min-height:40px;padding:9px 14px;font-size:14px}
  form.actions label{margin-left:0!important}
  form.actions select,form.actions input#q{max-width:none!important;margin-left:0!important;flex:1 1 100%}
  .actions{gap:8px}

  /* tables become stacked cards (labels come from data-label, set in footer_html) */
  table,tbody,tr,td{display:block;width:100%}
  th,tr.hd{display:none}
  tr{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:6px 12px;background:#fff}
  td{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 14px;border:0;padding:6px 0;text-align:right;min-height:30px;word-break:break-word}
  td::before{content:attr(data-label);flex:none;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;text-align:left}
  td:not([data-label])::before{content:none}
  td[colspan]{display:block;text-align:left}
  td.actions,td.right.actions{justify-content:flex-end;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:4px;padding-top:10px}
  td form{margin:0}
  td form.actions{flex:1 1 100%;flex-wrap:wrap;justify-content:flex-end}
  td input{max-width:none!important;flex:1 1 140px}

  .login{margin:6vh auto;max-width:none}
}