/* VCB Merchant (Ngân Lượng) — form, QR, kết quả */
:root {
  --vcb: #00703c;
  --vcb-dark: #00552d;
  --vcb-soft: #e8f5ee;
  --vcb-line: #d7e7de;
  --vcb-ink: #0f172a;
  --vcb-muted: #64748b;
  --vcb-radius: 16px;
  --vcb-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.vcb-shell { max-width: 1180px; margin: 0 auto; }
.vcb-shell > .demo-nav { margin-bottom: .75rem !important; }

/* ---------- Hero ---------- */
.vcb-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--vcb-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
  background: radial-gradient(120% 140% at 100% 0%, #18a361 0%, var(--vcb) 45%, var(--vcb-dark) 100%);
  box-shadow: 0 16px 40px rgba(0, 85, 45, .22);
}
.vcb-hero::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.vcb-hero h1 { font-size: 1.35rem; font-weight: 700; margin: 0 0 .25rem; }
.vcb-hero p { margin: 0; opacity: .88; font-size: .9rem; }
.vcb-hero .vcb-hero-icon {
  width: 48px; height: 48px; flex: 0 0 48px;
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .16);
  font-size: 1.35rem;
}
.vcb-pills { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .85rem; position: relative; z-index: 1; }
.vcb-pill {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .65rem;
  border-radius: 999px;
  font-size: .76rem; font-weight: 600;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .22);
}
.vcb-pill.ok { background: rgba(255, 255, 255, .95); color: var(--vcb-dark); }
.vcb-pill.warn { background: #fff4d6; color: #8a5a00; border-color: #ffe08a; }
.vcb-pill.bad { background: #fde7e9; color: #b42318; border-color: #f8b4b4; }

/* ---------- Panels ---------- */
.vcb-panel {
  background: #fff;
  border: 1px solid #e6ebf1;
  border-radius: var(--vcb-radius);
  box-shadow: 0 10px 30px rgba(15, 23, 42, .06);
  padding: 1.25rem 1.35rem;
}
.vcb-panel + .vcb-panel { margin-top: 1rem; }
.vcb-step {
  display: flex; align-items: center; gap: .6rem;
  font-weight: 700; font-size: .95rem; color: var(--vcb-ink);
  margin-bottom: .85rem;
}
.vcb-step .num {
  width: 26px; height: 26px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--vcb-soft); color: var(--vcb); font-size: .8rem;
}
.vcb-step .hint { margin-left: auto; font-weight: 500; font-size: .78rem; color: var(--vcb-muted); }
.vcb-divider { border-top: 1px dashed #e2e8f0; margin: 1.25rem 0; }

.vcb-shell .form-label { font-size: .8rem; font-weight: 600; color: #334155; margin-bottom: .3rem; }
.vcb-shell .form-label code { font-size: .74rem; color: var(--vcb-muted); font-weight: 500; }
.vcb-shell .form-control, .vcb-shell .form-select { border-radius: 10px; border-color: #dbe2ea; }
.vcb-shell .form-control:focus, .vcb-shell .form-select:focus {
  border-color: var(--vcb);
  box-shadow: 0 0 0 .2rem rgba(0, 112, 60, .15);
}

/* ---------- Mode cards ---------- */
.vcb-choice-input { position: absolute; opacity: 0; pointer-events: none; }
.vcb-mode {
  display: flex; gap: .8rem; align-items: flex-start;
  height: 100%;
  cursor: pointer;
  padding: .95rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 14px;
  transition: border-color .18s var(--vcb-ease), background .18s var(--vcb-ease), transform .18s var(--vcb-ease);
}
.vcb-mode:hover { border-color: #9fd3b8; transform: translateY(-1px); }
.vcb-mode .ico {
  width: 40px; height: 40px; flex: 0 0 40px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #f1f5f9; color: #475569; font-size: 1.1rem;
}
.vcb-mode .title { font-weight: 700; color: var(--vcb-ink); }
.vcb-mode .sub { font-size: .78rem; color: var(--vcb-muted); margin-top: .15rem; }
.vcb-mode .tag {
  display: inline-block; margin-left: .35rem;
  font-size: .68rem; font-weight: 700;
  padding: .05rem .4rem; border-radius: 6px;
  background: #f1f5f9; color: #475569;
}
.vcb-choice-input:checked + .vcb-mode { border-color: var(--vcb); background: var(--vcb-soft); }
.vcb-choice-input:checked + .vcb-mode .ico { background: var(--vcb); color: #fff; }
.vcb-choice-input:checked + .vcb-mode .tag { background: #fff; color: var(--vcb); }
.vcb-choice-input:focus-visible + .vcb-mode { outline: 3px solid rgba(0, 112, 60, .3); outline-offset: 2px; }

/* ---------- Method chips ---------- */
.vcb-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.vcb-chip {
  display: inline-flex; align-items: center; gap: .45rem;
  cursor: pointer;
  padding: .45rem .8rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 999px;
  font-size: .84rem; font-weight: 600; color: #334155;
  background: #fff;
  transition: all .15s var(--vcb-ease);
}
.vcb-chip:hover { border-color: #9fd3b8; }
.vcb-chip i { color: var(--vcb-muted); }
.vcb-choice-input:checked + .vcb-chip { border-color: var(--vcb); background: var(--vcb); color: #fff; }
.vcb-choice-input:checked + .vcb-chip i { color: #fff; }

/* ---------- Amount ---------- */
.vcb-amount-wrap { position: relative; }
.vcb-amount-wrap .form-control {
  font-size: 1.35rem; font-weight: 700;
  padding-right: 3.5rem;
  letter-spacing: .01em;
}
.vcb-amount-wrap .suffix {
  position: absolute; right: .9rem; top: 50%; transform: translateY(-50%);
  font-weight: 700; color: var(--vcb-muted); font-size: .85rem;
}
.vcb-quick { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .5rem; }
.vcb-quick .btn { border-radius: 999px; font-size: .78rem; padding: .2rem .7rem; }

/* ---------- Bank grid ---------- */
.vcb-bank-toolbar { display: flex; gap: .5rem; align-items: center; margin-bottom: .6rem; }
.vcb-bank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  gap: .5rem;
  max-height: 260px;
  overflow-y: auto;
  padding: .15rem;
}
.vcb-bank {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem;
  min-height: 74px;
  padding: .45rem .35rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: .72rem; font-weight: 700; color: #334155;
  text-align: center;
  transition: all .15s var(--vcb-ease);
}
.vcb-bank img { max-width: 72px; max-height: 28px; object-fit: contain; }
.vcb-bank:hover { border-color: #9fd3b8; transform: translateY(-1px); }
.vcb-bank.active { border-color: var(--vcb); background: var(--vcb-soft); box-shadow: 0 0 0 3px rgba(0, 112, 60, .12); }
.vcb-bank-empty { grid-column: 1 / -1; color: var(--vcb-muted); font-size: .82rem; padding: .75rem; text-align: center; }

/* ---------- Summary (sticky) ---------- */
.vcb-sticky { position: sticky; top: 1rem; }
.vcb-summary .amount {
  font-size: 2rem; font-weight: 800; color: var(--vcb-ink);
  letter-spacing: -.01em; line-height: 1.1;
}
.vcb-summary .amount small { font-size: .9rem; color: var(--vcb-muted); font-weight: 700; }
.vcb-kv { display: flex; justify-content: space-between; gap: 1rem; padding: .45rem 0; border-bottom: 1px dashed #edf1f5; font-size: .85rem; }
.vcb-kv:last-child { border-bottom: 0; }
.vcb-kv span { color: var(--vcb-muted); }
.vcb-kv strong { color: var(--vcb-ink); text-align: right; word-break: break-all; }
.vcb-cta {
  width: 100%;
  padding: .85rem 1rem;
  border: 0;
  border-radius: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #12945a, var(--vcb));
  box-shadow: 0 10px 22px rgba(0, 112, 60, .28);
  transition: transform .15s var(--vcb-ease), box-shadow .15s var(--vcb-ease);
}
.vcb-cta:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 28px rgba(0, 112, 60, .32); color: #fff; }
.vcb-cta:disabled { opacity: .6; }
.vcb-kbd { font-size: .7rem; color: var(--vcb-muted); text-align: center; margin-top: .45rem; }
.vcb-kbd kbd { background: #f1f5f9; color: #334155; border: 1px solid #e2e8f0; font-size: .68rem; }

/* ---------- Test cards ---------- */
.vcb-testcard {
  border-radius: 12px;
  padding: .75rem .85rem;
  color: #fff;
  margin-bottom: .55rem;
  position: relative;
  overflow: hidden;
}
.vcb-testcard.atm { background: linear-gradient(135deg, #0f766e, #134e4a); }
.vcb-testcard.visa { background: linear-gradient(135deg, #1e3a8a, #312e81); }
.vcb-testcard .brand { font-size: .7rem; font-weight: 700; opacity: .85; letter-spacing: .06em; text-transform: uppercase; }
.vcb-testcard .pan { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1rem; letter-spacing: .08em; margin: .2rem 0; }
.vcb-testcard .meta { font-size: .72rem; opacity: .9; display: flex; flex-wrap: wrap; gap: .15rem .75rem; }
.vcb-copy {
  border: 0; background: rgba(255, 255, 255, .18); color: inherit;
  border-radius: 6px; padding: .05rem .4rem; font-size: .7rem;
}
.vcb-copy:hover { background: rgba(255, 255, 255, .3); }
.vcb-copy.dark { background: #f1f5f9; color: #334155; }
.vcb-copy.dark:hover { background: #e2e8f0; }
.vcb-copy.copied { background: #22c55e !important; color: #fff !important; }

/* ---------- Config list ---------- */
.vcb-config dt { font-size: .72rem; color: var(--vcb-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.vcb-config dd { font-size: .8rem; margin-bottom: .55rem; word-break: break-all; }
.vcb-config dd code { color: #0f172a; }

/* ---------- Recent orders ---------- */
.vcb-orders-head { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .75rem; }
.vcb-orders-head .title { font-weight: 700; color: var(--vcb-ink); margin-right: auto; }
.vcb-orders-head .form-control { max-width: 220px; border-radius: 999px; font-size: .82rem; }
.vcb-orders th { font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: var(--vcb-muted); font-weight: 700; border-bottom-width: 1px; }
.vcb-orders td { font-size: .84rem; vertical-align: middle; }
.vcb-orders tbody tr { transition: background .12s; }
.vcb-orders tbody tr:hover { background: #f8fbf9; }

.vcb-status {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .55rem;
  border-radius: 999px;
  font-size: .72rem; font-weight: 700;
  white-space: nowrap;
}
.vcb-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.vcb-status.paid { background: #e6f4ea; color: #0f7b46; }
.vcb-status.pending { background: #fff4d6; color: #9a6700; }
.vcb-status.failed { background: #fde7e9; color: #b42318; }
.vcb-status.neutral { background: #eef2f6; color: #475569; }
.vcb-status.pending::before { animation: vcb-blink 1.2s infinite; }
@keyframes vcb-blink { 50% { opacity: .25; } }

.vcb-notify-dot { font-size: .74rem; font-weight: 600; white-space: nowrap; }
.vcb-notify-dot.yes { color: #0f7b46; }
.vcb-notify-dot.no { color: #94a3b8; }

/* ---------- QR page ---------- */
.vcb-qr-layout { max-width: 920px; margin: 0 auto; }
.vcb-qr-card { text-align: center; }
.vcb-qr-frame {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px;
  border-radius: 20px;
  background: #fff;
  border: 2px solid var(--vcb-line);
  box-shadow: 0 12px 30px rgba(0, 112, 60, .12);
  position: relative;
}
.vcb-qr-frame img, .vcb-qr-frame canvas { width: 260px; height: 260px; object-fit: contain; image-rendering: pixelated; display: block; }
.vcb-qr-frame.done::after {
  content: "\f00c";
  font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: #fff;
  background: rgba(0, 112, 60, .88);
  border-radius: 18px;
}
.vcb-qr-brand { margin-top: .85rem; font-weight: 700; color: var(--vcb); letter-spacing: .04em; font-size: .85rem; }
.vcb-qr-amount { font-size: 2rem; font-weight: 800; color: var(--vcb-ink); margin: .35rem 0 0; }
.vcb-timer {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: .5rem;
  padding: .3rem .75rem;
  border-radius: 999px;
  background: #f1f5f9; color: #334155;
  font-size: .8rem; font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.vcb-live {
  display: flex; align-items: center; gap: .65rem;
  padding: .8rem 1rem;
  border-radius: 12px;
  background: #f0f9f4;
  border: 1px solid var(--vcb-line);
  text-align: left;
  font-size: .86rem;
}
.vcb-live .pulse {
  width: 10px; height: 10px; flex: 0 0 10px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, .6);
  animation: vcb-pulse 1.6s infinite;
}
.vcb-live.stopped .pulse { background: #94a3b8; animation: none; }
.vcb-live.done { background: #e6f4ea; }
@keyframes vcb-pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .55); }
  70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.vcb-howto { list-style: none; padding: 0; margin: 0; counter-reset: step; text-align: left; }
.vcb-howto li { position: relative; padding: 0 0 .75rem 2.1rem; font-size: .86rem; color: #334155; }
.vcb-howto li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: -.05rem;
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--vcb-soft); color: var(--vcb); font-weight: 700; font-size: .75rem;
}

/* ---------- Result page ---------- */
.vcb-result-hero {
  border-radius: var(--vcb-radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.vcb-result-hero.paid { background: linear-gradient(180deg, #e9f8ef, #fff); border-color: #c7ebd5; }
.vcb-result-hero.pending { background: linear-gradient(180deg, #fff7e0, #fff); border-color: #ffe7a3; }
.vcb-result-hero.failed { background: linear-gradient(180deg, #fdecee, #fff); border-color: #f8c9cd; }
.vcb-result-icon {
  width: 72px; height: 72px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 2rem; color: #fff; margin-bottom: .75rem;
  animation: vcb-pop .45s var(--vcb-ease);
}
.paid .vcb-result-icon { background: #16a34a; box-shadow: 0 10px 24px rgba(22, 163, 74, .3); }
.pending .vcb-result-icon { background: #f59e0b; box-shadow: 0 10px 24px rgba(245, 158, 11, .3); }
.failed .vcb-result-icon { background: #dc2626; box-shadow: 0 10px 24px rgba(220, 38, 38, .3); }
@keyframes vcb-pop { 0% { transform: scale(.6); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.vcb-result-hero h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: .25rem; }
.vcb-result-hero .amount { font-size: 2rem; font-weight: 800; color: var(--vcb-ink); }

.vcb-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; }
.vcb-fact { background: #f8fafc; border: 1px solid #edf1f5; border-radius: 12px; padding: .65rem .8rem; }
.vcb-fact .k { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--vcb-muted); font-weight: 700; }
.vcb-fact .v { font-size: .9rem; font-weight: 700; color: var(--vcb-ink); word-break: break-all; margin-top: .15rem; }

.vcb-timeline { list-style: none; margin: 0; padding: 0; }
.vcb-timeline li { position: relative; padding: 0 0 1rem 2rem; }
.vcb-timeline li:last-child { padding-bottom: 0; }
.vcb-timeline li::before {
  content: ""; position: absolute; left: 9px; top: 22px; bottom: 0;
  width: 2px; background: #e2e8f0;
}
.vcb-timeline li:last-child::before { display: none; }
.vcb-timeline .dot {
  position: absolute; left: 0; top: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .62rem; color: #fff; background: #cbd5e1;
}
.vcb-timeline .done .dot { background: #16a34a; }
.vcb-timeline .warn .dot { background: #f59e0b; }
.vcb-timeline .fail .dot { background: #dc2626; }
.vcb-timeline .t { font-weight: 700; font-size: .88rem; color: var(--vcb-ink); }
.vcb-timeline .d { font-size: .78rem; color: var(--vcb-muted); }

.vcb-tabs .nav-link { font-size: .84rem; font-weight: 600; color: var(--vcb-muted); border-radius: 999px; padding: .35rem .85rem; }
.vcb-tabs .nav-link.active { background: var(--vcb); color: #fff; }
.vcb-kvtable th { width: 34%; font-size: .78rem; color: var(--vcb-muted); font-weight: 600; background: #fafbfc; }
.vcb-kvtable td { font-size: .82rem; word-break: break-all; }
.vcb-raw {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .76rem;
  background: #0f172a; color: #e2e8f0;
  border-radius: 12px;
  padding: .85rem 1rem;
  max-height: 340px; overflow: auto;
  white-space: pre-wrap; word-break: break-all;
  margin: 0;
}

.vcb-actions { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-top: 1.25rem; }
.vcb-actions .btn { border-radius: 10px; font-weight: 600; }
.vcb-btn-vcb { background: var(--vcb); border-color: var(--vcb); color: #fff; }
.vcb-btn-vcb:hover { background: var(--vcb-dark); border-color: var(--vcb-dark); color: #fff; }
.vcb-btn-outline { border-color: var(--vcb); color: var(--vcb); }
.vcb-btn-outline:hover { background: var(--vcb); color: #fff; }

.vcb-fade { animation: vcb-fade .35s var(--vcb-ease) both; }
@keyframes vcb-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.vcb-toast {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%) translateY(20px);
  background: #0f172a; color: #fff;
  padding: .55rem 1rem; border-radius: 999px;
  font-size: .82rem; font-weight: 600;
  opacity: 0; pointer-events: none;
  transition: all .25s var(--vcb-ease);
  z-index: 2000;
}
.vcb-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 991.98px) {
  .vcb-sticky { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  .vcb-shell *, .vcb-shell *::before, .vcb-shell *::after { animation: none !important; transition: none !important; }
}