:root {
  --bkash: #e2136e;
  --bkash-dark: #b81058;
  --bangla: #0b7a43;
  --bangla-dark: #075c32;
  --ink: #111827;
  --muted: #6b7280;
  --bg: #f3f4f6;
  --card: #fff;
  --line: #e5e7eb;
  --ok: #059669;
  --warn: #d97706;
  --accent: var(--bkash);
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
}
* { box-sizing: border-box; }
[hidden], .is-hidden { display: none !important; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: "DM Sans", "Noto Sans Bengali", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(1200px 420px at 50% -80px, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    var(--bg);
  color: var(--ink);
}
body.theme-bkash { --accent: var(--bkash); }
body.theme-banglaqr { --accent: var(--bangla); }
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 28px 16px 72px; }
.wrap.narrow { max-width: 480px; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.brand { display: flex; gap: 10px; align-items: center; font-weight: 800; letter-spacing: -0.02em; }
.logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--bkash); color: #fff; display: grid; place-items: center;
  font-size: 18px;
}
.secure {
  display: flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12px; font-weight: 600;
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 22px; padding: 24px; box-shadow: var(--shadow);
}
h1 { font-size: 24px; letter-spacing: -0.03em; }
h1, h2, h3 { margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 20px; line-height: 1.5; }
.methods { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 4px 0 18px; }
.methods.one { grid-template-columns: 1fr; max-width: 180px; }
.method {
  border: 1.5px solid var(--line); border-radius: 14px; padding: 12px 10px 10px;
  cursor: pointer; background: #fff; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; min-height: 0;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.method input { position: absolute; opacity: 0; pointer-events: none; }
.method:hover { border-color: #d1d5db; }
.method:has(input:checked) {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent);
}
.method-logo {
  width: 72px; height: 48px; object-fit: contain; display: block;
  background: transparent; padding: 0; margin: 0 0 8px;
}
.method b { display: block; font-size: 13px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.method span { display: none; }
label.field { display: block; margin: 14px 0; font-size: 13px; font-weight: 700; color: #374151; }
.amount-wrap { position: relative; }
.amount-wrap input { padding-left: 36px; font-size: 18px; font-weight: 700; }
.amount-wrap .taka {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-weight: 700; margin-top: 3px;
}
input, select, textarea {
  width: 100%; margin-top: 6px; padding: 12px 14px; border-radius: 12px;
  border: 1px solid #d1d5db; font: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent);
}
.btn {
  border: 0; background: var(--accent); color: #fff; font-weight: 700;
  padding: 14px 18px; border-radius: 12px; cursor: pointer; width: 100%;
  font-size: 15px;
}
.btn:hover { filter: brightness(0.96); }
.btn.ghost { background: #fff; color: var(--accent); border: 1px solid var(--accent); }
.btn.slim { width: auto; padding: 10px 14px; }
.wrap:has(.landing) {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 12px 32px;
}
.landing { width: 100%; text-align: center; }
.landing-brand { justify-content: center; margin-bottom: 20px; }
.landing-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 20px;
  padding: 28px 26px 26px;
  box-shadow: var(--shadow);
  text-align: left;
}
.landing-kicker {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.landing h1 {
  font-size: 26px;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
  line-height: 1.2;
}
.landing .sub { margin: 0 0 20px; }
.landing-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.landing-methods span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f9fafb;
  font-size: 13px;
  font-weight: 700;
}
.landing-methods img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}
.landing-op {
  margin: 18px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}
.landing-op a { font-weight: 800; }
.wrap:has(.pay-shell) {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 12px 32px;
}
.pay-shell { width: 100%; max-width: 480px; margin: 0 auto; }
.gw-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0 22px 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.gw-card::before {
  content: "";
  display: block;
  height: 4px;
  margin: 0 -22px 18px;
  background: var(--accent);
}
.gw-top {
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.gw-top img {
  width: 44px; height: 44px; object-fit: contain;
  background: color-mix(in srgb, var(--accent) 10%, #fff);
  border-radius: 12px; padding: 7px;
}
.gw-kicker {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0;
}
.gw-kicker b { color: var(--accent); font-weight: 800; }
.gw-due-label {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 6px;
}
.gw-due {
  font-size: 36px; font-weight: 800; letter-spacing: -0.8px;
  color: var(--accent); margin: 0 0 8px; line-height: 1;
}
.gw-help { color: var(--muted); font-size: 13px; line-height: 1.5; margin: 0 0 16px; }
.gw-qr-wrap { text-align: center; margin: 0 0 16px; }
.gw-qr {
  width: min(220px, 68vw); margin: 0 auto 8px; background: #fff;
  padding: 10px; border: 1px solid var(--line); border-radius: 16px;
}
.gw-qr img { width: 100%; display: block; }
.gw-qr-cap {
  margin: 0; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
.gw-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: #f9fafb; border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 12px; margin-bottom: 10px;
}
.gw-row .lbl {
  font-size: 10px; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 3px;
}
.gw-row .val { font-size: 16px; font-weight: 800; margin: 0; word-break: break-all; }
.gw-copy {
  border: 0; background: color-mix(in srgb, var(--accent) 12%, #fff);
  color: var(--accent); font-weight: 800; font-size: 12px;
  padding: 8px 12px; border-radius: 9px; cursor: pointer; flex-shrink: 0;
}
.gw-copy:hover { background: color-mix(in srgb, var(--accent) 20%, #fff); }
.gw-card .timer {
  text-align: center; font-size: 12px; color: var(--muted);
  margin: 12px 0 4px; font-weight: 600;
}
.gw-card #status { text-align: center; margin: 0 0 8px; }
.gw-card .field { margin-top: 8px; }
.gw-card .field::after { content: none; }
.req { color: var(--accent); }
.gw-cancel {
  display: block; width: 100%; margin-top: 8px; padding: 6px;
  border: 0; background: none; color: var(--muted);
  font: inherit; font-size: 12px; font-weight: 600;
  cursor: pointer; text-align: center;
}
.gw-cancel:hover { color: #b91c1c; }
.pay-hero {
  color: #fff; text-align: center; padding: 26px 18px 40px;
}
body.theme-bkash .pay-hero {
  background: linear-gradient(180deg, #e2136e 0%, #b81058 100%);
}
body.theme-banglaqr .pay-hero {
  background: linear-gradient(180deg, #0b7a43 0%, #075c32 100%);
}
.pay-hero img.hero-logo {
  width: 72px; height: 72px; object-fit: contain; background: transparent;
  border-radius: 0; padding: 0; display: block; margin: 0 auto 10px;
}
.pay-hero h1 { color: #fff; font-size: 20px; margin: 8px 0 4px; }
.pay-hero p { margin: 0; opacity: .92; font-size: 14px; }
.qr-card {
  margin: 0; background: transparent; border-radius: 0;
  padding: 0; text-align: left; box-shadow: none;
}
.qr-box {
  width: min(220px, 68vw); margin: 0 auto 8px; background: #fff;
  padding: 8px; border: 1px solid var(--line); border-radius: 16px;
}
.qr-box img { width: 100%; display: block; }
.amount {
  font-size: 34px; font-weight: 800; color: var(--accent); margin: 8px 0 2px;
  letter-spacing: -0.6px;
}
.amount small { font-size: 16px; font-weight: 700; }
.badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: rgba(255,255,255,.18); color: #fff; font-size: 11px; font-weight: 800;
  letter-spacing: .04em;
}
.pills { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 10px 0 0; }
.pills span {
  background: #f3f4f6; color: #374151; font-size: 11px; font-weight: 700;
  padding: 4px 8px; border-radius: 999px;
}
.steps { text-align: left; color: var(--muted); font-size: 14px; padding-left: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brand-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brand-box {
  border: 1px solid var(--line); border-radius: 16px; padding: 14px; text-align: center;
}
.brand-box img {
  width: 120px; height: 80px; object-fit: contain; background: transparent;
  border-radius: 0; padding: 0; display: block; margin: 0 auto 10px;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; word-break: break-all; }
.ok { color: var(--ok); font-weight: 700; }
.wait { color: var(--warn); font-weight: 700; }
.timer { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.hint {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 14px; font-size: 13px; color: #4b5563; text-align: left; margin: 0 0 16px;
  box-shadow: var(--shadow);
}
.docs h2 { font-size: 16px; margin: 28px 0 8px; }
.docs h2:first-of-type { margin-top: 18px; }
.docs p { margin: 0 0 10px; color: #374151; font-size: 14px; line-height: 1.55; }
.docs .docs-table { margin: 0 0 14px; }
.docs .docs-table th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.docs .docs-table td:first-child { width: 28%; }
.docs .docs-table td:nth-child(2) { width: 16%; color: var(--muted); }
pre {
  background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: 12px;
  overflow: auto; font-size: 12px; line-height: 1.5;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.meta { font-size: 13px; color: var(--muted); margin: 4px 0 10px; }
.foot-note { text-align: center; color: var(--muted); font-size: 12px; margin-top: 14px; }
@media (max-width: 720px) {
  .methods, .grid2, .brand-grid { grid-template-columns: 1fr; }
  .method { min-height: 0; }
}
body.admin-body {
  background: #f3f4f6;
}
.admin-wrap { max-width: none; margin: 0; padding: 0; }
.admin-app { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.admin-nav {
  background: #111827; color: #fff; padding: 22px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.admin-nav .brand { color: #fff; margin-bottom: 16px; }
.admin-nav .nav-link {
  color: #d1d5db; padding: 10px 12px; border-radius: 10px; font-weight: 600; font-size: 14px;
}
.admin-nav .nav-link:hover, .admin-nav .nav-link.on { background: #1f2937; color: #fff; }
.admin-nav .btn { margin-top: 16px; }
.admin-main { padding: 28px 24px 64px; }
.admin-head h1 { margin-bottom: 18px; }
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 18px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px;
  box-shadow: var(--shadow);
}
.stat-n { font-size: 22px; font-weight: 800; }
.stat-l { color: var(--muted); font-size: 12px; font-weight: 600; }
.pill {
  display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 800;
  background: #e5e7eb; color: #374151;
}
.pill.pending { background: #fef3c7; color: #92400e; }
.pill.paid { background: #d1fae5; color: #065f46; }
.pill.expired { background: #e5e7eb; color: #4b5563; }
.row-between { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-bar, .inline-form { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 12px; align-items: end; }
.inline-form { grid-template-columns: 1fr auto; }
@media (max-width: 960px) {
  .admin-app { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
}