html {
  --ba-accent:    #4f7cff;
  --ba-surface:   #ffffff;
  --ba-surface2:  #f4f5fb;
  --ba-border:    #e0e4f0;
  --ba-border2:   #c4cade;
  --ba-green:     #18b46a;
  --ba-text:      #141828;
  --ba-text2:     #57607a;
  --ba-text3:     #949db5;
  --ba-text-qr:   #949db5;
  --ba-shadow:    0 2px 12px rgba(0,0,0,.07);
  --ba-shadow-md: 0 6px 24px rgba(0,0,0,.11);
  --ba-toast-bg:  #141828;
  --ba-toast-border:  #141828;
  --ba-toast-text:  #ffffff;
  --ba-qr:        #ffffff;
}

html.dark-theme {
  --ba-accent:    #4f7cff;
  --ba-surface:   #161a23;
  --ba-surface2:  #1e2330;
  --ba-border:    #283040;
  --ba-border2:   #343f57;
  --ba-green:     #22d17a;
  --ba-text:      #e8ecf4;
  --ba-text2:     #8b93a7;
  --ba-text3:     #5a6378;
  --ba-text-qr:   #5a6378;
  --ba-shadow:    0 2px 12px rgba(0,0,0,.32);
  --ba-shadow-md: 0 6px 28px rgba(0,0,0,.48);
  --ba-toast-bg:  #0d0f14;
  --ba-toast-border:  #4f7cff;
  --ba-toast-text:  #4f7cff;
  --ba-qr:        #161a23;
}

/* ════════════════
   CARD
════════════════ */
.bankapp-wrap {
  margin-bottom: 20px;
}

.bankapp-card {
  background: var(--ba-surface);
  border: 1px solid var(--ba-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--ba-shadow);
  transition: background .25s, border-color .25s, box-shadow .25s;
}

.bankapp-success {
  margin-top: 20px;
}

.ba-max-width {
  max-width: 850px;
}

.ba-centered {
  margin: 0 auto 20px auto;
}

/* merchant strip */
.merchant-strip {
  padding: 22px 28px;
  border-bottom: 1px solid var(--ba-border);
  display: flex; align-items: center; gap: 16px;
  transition: border-color .25s;
}

.merchant-info { flex: 1; min-width: 0; }
.merchant-name { font-size: 17px; font-weight: 700; color: var(--ba-text);}
.merchant-sub  { font-size: 13px; color: var(--ba-text2); margin-top: 2px; }

.amount-block { text-align: right; flex-shrink: 0; }
.amount-value {
  font-size: 30px; font-weight: 800; letter-spacing: -1px;
  line-height: 1;
  color: var(--ba-text);
}
.amount-currency { font-size: 15px; font-weight: 600; color: var(--ba-text2); margin-left: 3px; }
.amount-hint {
  display: block;
    font-size: 11px;
    font-weight: 100;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--ba-text3);
    text-align: center;
}

/* ════════════════
   BODY GRID
════════════════ */
.pay-body {
  display: grid;
  grid-template-columns: 1fr 270px;
}

.details-col { padding: 24px 28px; }

.qr-col {
  background: var(--ba-qr);
  border-left: 1px solid var(--ba-border);
  padding: 24px 20px;
  display: flex; flex-direction: column;
  align-items: center; gap: 14px;
  transition: border-color .25s;
}

/* ════════════════
   SECTION TITLE
════════════════ */
.section-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.1px; text-transform: uppercase;
  color: var(--ba-text3); margin-bottom: 14px;
  transition: color .25s;
}

/* ════════════════
   REQUISITES
════════════════ */
.req-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 14px; }

.req-row {
  display: flex; align-items: center;
  justify-content: space-between; gap: 10px;
  padding: 7px 13px;
  background: var(--ba-surface2); border: 1px solid var(--ba-border);
  border-radius: 10px;
  transition: border-color .15s, background .25s;
}
.req-row:hover { border-color: var(--ba-border2); }

.req-label {
  display: block;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ba-text3); white-space: nowrap;
  flex-shrink: 0; padding-top: 1px; min-width: 74px;
  transition: color .25s;
  line-height: 1.5;
}

.req-value {
  font-size: 15px; color: var(--ba-text);
  word-break: break-word; line-height: 1.45; flex: 1;
  transition: color .25s;
}

.copy-btn {
  background: none; border: 1px solid var(--ba-border);
  border-radius: 7px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ba-text3); cursor: pointer; flex-shrink: 0;
  transition: all .15s;
}
.copy-btn:hover { border-color: var(--ba-accent); color: var(--ba-accent); }
.copy-btn.copied { border-color: var(--ba-green); color: var(--ba-green); }
.copy-btn svg { width: 13px; height: 13px; pointer-events: none; }
.download-invoice-btn svg { width: 16px; height: 16px; pointer-events: none; }

.copy-all-btn,
.download-invoice-btn {
  display: flex; align-items: center; justify-content: center;
  gap: 7px; width: 100%;
  background: none; border: 1px solid var(--ba-border);
  border-radius: 10px; color: var(--ba-text2) !important;
  font-size: 13px; font-weight: 600;
  padding: 10px 16px; cursor: pointer;
  transition: all .15s;
  margin-bottom: 10px;
  text-decoration: none;
}
.copy-all-btn:hover, .download-invoice-btn:hover { border-color: var(--ba-accent); color: var(--ba-accent) !important; }

.req-notes {
  color: var(--ba-text2);
  margin-top: 15px;
}

/* ════════════════
   QR COLUMN
════════════════ */
.qr-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--ba-text-qr); text-align: center;
}

.qr-box {
  width: 230px; height: 230px;
  background: #fff; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--ba-border); overflow: hidden; flex-shrink: 0;
}

.qr-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; color: #bbb;
  font-size: 11px; font-weight: 600;
  text-align: center; padding: 10px;
}

.qr-hint {
  font-size: 11px; color: var(--ba-text-qr);
  text-align: center; line-height: 1.55;
}

.qr-nbu {
  margin-top: auto; width: 100%;
  background: var(--ba-surface2); border: 1px solid var(--ba-border);
  border-radius: 10px; padding: 10px 12px; text-align: center;
  transition: all .25s;
}
.qr-nbu-label { font-size: 10px; color: var(--ba-text3); line-height: 1.5; margin-bottom: 3px; text-transform: uppercase; letter-spacing: .6px; font-weight: 700; }
a.qr-nbu-url   { font-size: 14px; color: var(--ba-accent) !important; font-weight: 600; display: block; line-height: 1.5; }

.banks-grid-desktop {
    display: flex;
    flex-wrap: nowrap;
    overflow: hidden;
    filter: grayscale(1);
    gap: 3px;
    opacity: 0.23;
    margin-top: 15px;
    justify-content: space-between;
}
.banks-grid-desktop img {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    transition: all .15s;
}

/* ════════════════
   BANK APPS
════════════════ */
.banks-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 12px;
}

.view-toggle {
  display: flex;
  background: var(--ba-surface2); border: 1px solid var(--ba-border);
  border-radius: 8px; padding: 3px; gap: 2px;
  transition: all .25s;
}
.view-btn {
  background: none; border: none; border-radius: 6px;
  padding: 5px 8px; color: var(--ba-text3); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.view-btn.active {
  background: var(--ba-surface); color: var(--ba-text);
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
}
.view-btn svg { width: 15px; height: 15px; }

.banks-grid-icon { display: flex; flex-wrap: wrap; gap: 10px; }

.bank-icon-item {
  width: 52px; height: 52px; border-radius: 13px;
  border: 1px solid var(--ba-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; text-decoration: none; flex-shrink: 0;
  transition: all .15s;
  overflow: hidden;
}
.bank-icon-item:hover {
  border-color: var(--ba-border2);
  transform: translateY(-2px);
  box-shadow: var(--ba-shadow-md);
}
.bank-icon-item img,
.bank-full-icon img {
    max-width: 100%;
}

.banks-grid-full {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 7px;
  overflow: hidden;
}

.bank-full-item {
  background: var(--ba-surface2); border: 1px solid var(--ba-border);
  border-radius: 10px; padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; text-decoration: none; transition: all .15s;
}
.bank-full-item:hover {
  border-color: var(--ba-border2);
  transform: translateY(-1px); box-shadow: var(--ba-shadow-md);
}
.bank-full-icon {
  width: 38px; height: 38px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.bank-full-info { flex: 1; overflow: hidden; }
.bank-full-app  { font-size: 13px; font-weight: 600; line-height: 1.5; color: var(--ba-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bank-full-bank { font-size: 11px; line-height: 1.2; color: var(--ba-text2); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bank-full-arrow { color: var(--ba-text3); flex-shrink: 0; }
.bank-full-arrow svg { width: 14px; height: 14px; }

.other-banks-btn {
  display: flex; align-items: center; justify-content: center;
  gap: 7px; width: 100%;
  background: none;
  border: 1px dashed var(--ba-border);
  border-radius: 10px;
  color: var(--ba-text2);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  transition: all .15s;
  margin-top: 10px;
}

/* Pay Direct btn */
.pay-btn-main {
    background: var(--ba-accent);
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 12px;
    text-align: center;
}

.pay-btn-main:hover {
    opacity: 0.8;
}

.pay-info {
    text-align: center;
    font-size: 12px;
    color: var(--ba-text3);
    margin-bottom: 20px;
}

/* ════════════════
   MOBILE COLLAPSE
════════════════ */
.req-collapse-btn {
  display: none;
  align-items: center; justify-content: space-between;
  width: 100%;
  background: var(--ba-surface2); border: 1px solid var(--ba-border);
  border-radius: 10px; color: var(--ba-text2);
  font-size: 13px; font-weight: 600;
  padding: 12px 14px; cursor: pointer; margin-bottom: 10px;
  transition: all .15s;
}
.req-collapse-btn:hover { border-color: var(--ba-border2); }
.collapse-arrow { transition: transform .28s; flex-shrink: 0; }
.req-collapse-btn.open .collapse-arrow { transform: rotate(180deg); }

.req-collapsible {
  overflow: hidden; max-height: 0;
  transition: max-height .38s cubic-bezier(0,.8,.3,1);
}
.req-collapsible.open { max-height: 640px; }

.mobile-pay-hint {
  font-size: 13px; color: var(--ba-text2);
  line-height: 1.65; text-align: center;
  padding-bottom: 18px;
}

/* ════════════════
   RESPONSIVE
════════════════ */
/* desktop: hide mobile-only banks */
@media (min-width: 641px) {
  .mobile-only, .mobile-only-section { display: none !important; }
}

/* mobile */
@media (max-width: 640px) {
  .merchant-name, .merchant-sub { text-align: center; }
  .pay-body { grid-template-columns: 1fr; }
  .qr-col { display: none !important; }
  .desktop-only-section { display: none !important; }
  .req-collapse-btn { display: flex; }
  .req-list { margin-bottom: 0; }
  .req-value { font-size: 13.5px; }
  .merchant-strip { padding: 16px 18px; gap: 12px; flex-wrap: wrap; }
  .amount-block { order: 1; width: 100%; text-align: center; margin-bottom: 2px; }
  .amount-value { font-size: 34px; }
  .details-col { padding: 18px 18px; }
  .banks-grid-full { grid-template-columns: 1fr; }
  .page-wrap { padding: 16px 14px 48px; }
  .desktop-only { display: none !important; }
}

@media (max-width: 400px) {
  .banks-grid-full { grid-template-columns: 1fr; }
  .banks-grid-icon .bank-icon-item { width: 50px; height: 50px; }
  .req-row { gap: 6px; padding: 6px 9px; }
}

/* ════════════════
   FOOTER
════════════════ */
.pay-footer {
  margin-top: 18px; margin-bottom: 20px; text-align: center;
  font-size: 12px; color: var(--ba-text3);
  display: flex; align-items: center; justify-content: center; gap: 6px;
  transition: color .25s;
}
.pay-footer a { color: var(--ba-accent); text-decoration: none; }

/* ════════════════
   TOAST
════════════════ */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--ba-toast-bg); border: 1px solid var(--ba-toast-border);
  color: var(--ba-toast-text); font-size: 13px; font-weight: 600;
  padding: 9px 18px; border-radius: 10px;
  opacity: 0; transition: all .22s;
  pointer-events: none; z-index: 200;
  box-shadow: var(--ba-shadow-md); white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }