/* Trade Africa Hub — Custom Checkout Modal
   Dark navy glassmorphism, cyan→teal accents. Matches homepage + screenshots. */

:root{
  --tah-neon:#37D9FA;
  --tah-neon-soft:#7fe8ff;
  --tah-bg:#0b1017;
  --tah-panel:#121926;
  --tah-panel-2:#0e1420;
  --tah-line:rgba(120,140,170,.18);
  --tah-line-neon:rgba(55,217,250,.3);
  --tah-text:#e6edf3;
  --tah-muted:#8a97a6;
  --tah-radius:16px;
  --tah-grad:linear-gradient(135deg,#37D9FA,#5ee0c9);
  --tah-font:'Inter','Segoe UI',-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  --tah-display:'Space Grotesk','Inter','Segoe UI',-apple-system,sans-serif;
  --tah-mono:'JetBrains Mono','SFMono-Regular',Consolas,monospace;
}

/* ---------- Overlay + shell ---------- */
.tah-overlay{
  position:fixed;inset:0;z-index:100000;
  background:rgba(3,6,11,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:1rem;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.tah-overlay.tah-open{opacity:1;visibility:visible}

.tah-modal{
  width:100%;max-width:560px;max-height:92vh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#131b28,#0d131d);
  border:1px solid var(--tah-line-neon);border-radius:20px;
  box-shadow:0 40px 120px rgba(0,0,0,.6),0 0 60px rgba(55,217,250,.08);
  transform:translateY(24px) scale(.98);opacity:0;transition:transform .35s cubic-bezier(.2,.9,.2,1),opacity .35s;
  overflow:hidden;font-family:var(--tah-font);color:var(--tah-text);
}
.tah-overlay.tah-open .tah-modal{transform:translateY(0) scale(1);opacity:1}

/* ---------- Header ---------- */
.tah-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;border-bottom:1px solid var(--tah-line);
}
.tah-head h3{margin:0;font-size:19px;font-weight:700;letter-spacing:-.01em;font-family:var(--tah-display);color:var(--tah-text) !important}
.tah-close{
  background:none;border:none;color:var(--tah-muted);font-size:22px;cursor:pointer;
  width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  transition:background .2s,color .2s;line-height:1;
}
.tah-close:hover{background:rgba(255,255,255,.06);color:var(--tah-text)}

/* ---------- Progress ---------- */
.tah-steps{display:flex;gap:6px;padding:14px 24px 0}
.tah-steps .st{flex:1;height:4px;border-radius:3px;background:rgba(255,255,255,.08);transition:background .4s}
.tah-steps .st.active{background:var(--tah-grad)}
.tah-steplabel{padding:6px 24px 0;font-family:var(--tah-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--tah-muted)}

/* ---------- Body ---------- */
.tah-body{padding:22px 24px;overflow-y:auto;flex:1}
.tah-body::-webkit-scrollbar{width:8px}
.tah-body::-webkit-scrollbar-thumb{background:rgba(120,140,170,.3);border-radius:8px}

.tah-intro{color:var(--tah-muted);font-size:13.5px;line-height:1.6;margin:0 0 18px}
.tah-intro strong{color:var(--tah-text)}

/* ---------- Fields ---------- */
/* Scoped under #tah-pay-root with !important so the site theme (Astra) cannot
   override input backgrounds, text colours, or label visibility. */
#tah-pay-root .tah-field{margin-bottom:15px}
#tah-pay-root .tah-field label{
  display:block !important;font-size:12.5px !important;font-weight:600 !important;
  margin-bottom:7px !important;color:#e6edf3 !important;letter-spacing:.02em;
  font-family:var(--tah-font) !important;text-transform:none !important;opacity:1 !important;
  background:none !important;
}
#tah-pay-root .tah-field label .req{color:#37D9FA !important}
#tah-pay-root .tah-input,
#tah-pay-root .tah-select-trigger,
#tah-pay-root input.tah-input{
  width:100% !important;padding:12px 14px !important;border-radius:11px !important;
  background:#0e1420 !important;background-color:#0e1420 !important;
  border:1px solid var(--tah-line) !important;
  color:#e6edf3 !important;font-size:14px !important;font-family:var(--tah-font) !important;
  transition:border-color .2s,box-shadow .2s;box-sizing:border-box !important;
  line-height:1.4 !important;height:auto !important;box-shadow:none !important;
}
#tah-pay-root .tah-input:focus,
#tah-pay-root input.tah-input:focus{
  outline:none !important;border-color:var(--tah-neon) !important;
  box-shadow:0 0 0 3px rgba(55,217,250,.14) !important;background:#0e1420 !important;
}
#tah-pay-root .tah-input::placeholder,
#tah-pay-root input.tah-input::placeholder{color:#556377 !important;opacity:1 !important}
#tah-pay-root .tah-input::-webkit-input-placeholder{color:#556377 !important}
#tah-pay-root .tah-input:-ms-input-placeholder{color:#556377 !important}
.tah-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ---------- Searchable country select ---------- */
.tah-select{position:relative}
.tah-select-trigger{display:flex;align-items:center;justify-content:space-between;cursor:pointer;text-align:left}
.tah-select-trigger .chev{color:var(--tah-muted);transition:transform .2s}
.tah-select.open .tah-select-trigger .chev{transform:rotate(180deg)}
.tah-select.open .tah-select-trigger{border-color:var(--tah-neon)}
.tah-dropdown{
  position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20;
  background:#0e1420;border:1px solid var(--tah-line-neon);border-radius:12px;
  box-shadow:0 20px 50px rgba(0,0,0,.5);overflow:hidden;
  max-height:380px;display:none;flex-direction:column;
}
.tah-select.open .tah-dropdown{display:flex}
.tah-search{padding:10px;border-bottom:1px solid var(--tah-line);position:sticky;top:0;background:#0e1420;z-index:2}
#tah-pay-root .tah-search input{
  width:100% !important;padding:11px 12px !important;border-radius:9px !important;
  background:#0e1420 !important;border:1px solid var(--tah-line) !important;
  color:#e6edf3 !important;font-size:14px !important;box-sizing:border-box !important;
}
#tah-pay-root .tah-search input::placeholder{color:#556377 !important;opacity:1 !important}
.tah-search input:focus{outline:none;border-color:var(--tah-neon)}
.tah-options{overflow-y:auto;max-height:320px}
.tah-options::-webkit-scrollbar{width:8px}
.tah-options::-webkit-scrollbar-thumb{background:rgba(120,140,170,.3);border-radius:8px}
.tah-option{padding:12px 14px;cursor:pointer;font-size:14px;display:flex;justify-content:space-between;align-items:center;transition:background .15s;border-bottom:1px solid rgba(255,255,255,.04)}
.tah-option:hover,.tah-option.hi{background:rgba(55,217,250,.1)}
.tah-option .cur{font-family:var(--tah-mono);font-size:11px;color:var(--tah-muted)}
.tah-noresult{padding:16px;text-align:center;color:var(--tah-muted);font-size:13px}

/* ---------- Price / currency box ---------- */
.tah-price-box{
  margin:6px 0 4px;padding:16px;border-radius:13px;
  background:linear-gradient(135deg,rgba(55,217,250,.08),rgba(94,224,201,.05));
  border:1px solid var(--tah-line-neon);
}
.tah-price-row{display:flex;justify-content:space-between;align-items:center;font-size:14px}
.tah-price-row+.tah-price-row{margin-top:8px}
.tah-price-row .lbl{color:var(--tah-muted)}
.tah-price-usd{font-size:15px;font-weight:600}
.tah-price-local{font-size:20px;font-weight:700;color:var(--tah-neon)}
.tah-cur-toggle{
  margin-top:12px;display:flex;gap:8px;font-size:12px;
}
.tah-cur-toggle button{
  flex:1;padding:8px;border-radius:9px;border:1px solid var(--tah-line);
  background:transparent;color:var(--tah-muted);cursor:pointer;font-family:var(--tah-mono);
  font-size:11px;letter-spacing:.06em;transition:all .2s;
}
.tah-cur-toggle button.active{background:var(--tah-grad);color:#001018;border-color:transparent;font-weight:700}

/* ---------- Method list (screenshot 2) ---------- */
.tah-method{
  display:flex;align-items:center;gap:14px;padding:16px;margin-bottom:12px;
  border-radius:14px;background:var(--tah-panel);border:1px solid var(--tah-line);
  cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s;
}
.tah-method:hover{transform:translateY(-2px);border-color:var(--tah-line-neon);box-shadow:0 0 24px rgba(55,217,250,.12)}
.tah-method .m-ic{
  width:44px;height:44px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);font-size:20px;font-weight:700;
}
.tah-method .m-body{flex:1;min-width:0}
.tah-method .m-title{font-size:15px;font-weight:700;margin-bottom:2px}
.tah-method .m-desc{font-size:12.5px;color:var(--tah-muted);line-height:1.4}
.tah-method .m-badge{
  padding:5px 11px;border-radius:20px;font-size:11px;font-weight:700;flex-shrink:0;
  background:rgba(30,166,114,.15);color:#3ddc9a;border:1px solid rgba(61,220,154,.3);
}
.tah-method .m-arrow{color:var(--tah-muted);flex-shrink:0;font-size:18px}

/* ---------- Detail panel (screenshot 1) ---------- */
.tah-back{
  display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.05);
  border:1px solid var(--tah-line);color:var(--tah-text);padding:8px 14px;border-radius:10px;
  font-size:13px;font-weight:600;cursor:pointer;margin-bottom:16px;transition:background .2s;
}
.tah-back:hover{background:rgba(255,255,255,.1)}
.tah-detail-title{font-size:17px;font-weight:700;margin:0 0 14px}

.tah-paycard{
  padding:16px;border-radius:13px;background:var(--tah-panel-2);
  border:1px solid var(--tah-line);margin-bottom:14px;
}
.tah-paycard .pc-hint{font-size:13px;color:var(--tah-muted);margin:0 0 12px}
.tah-copyrow{margin-bottom:12px}
.tah-copyrow:last-child{margin-bottom:0}
.tah-copyrow .cr-label{font-size:12px;font-weight:700;margin-bottom:5px;color:var(--tah-text)}
.tah-copyrow .cr-label .net{color:var(--tah-muted);font-weight:500}
.tah-copyrow .cr-inputwrap{display:flex;gap:8px;align-items:stretch}
.tah-copyrow .cr-val{
  flex:1;min-width:0;padding:11px 12px;border-radius:10px;background:#0a0f18;
  border:1px solid var(--tah-line);font-family:var(--tah-mono);font-size:12px;letter-spacing:-.2px;
  color:var(--tah-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  display:flex;align-items:center;
}
#tah-ref{font-family:var(--tah-font);font-size:14px;letter-spacing:.01em}
.tah-copybtn{
  padding:0 16px;border-radius:10px;border:none;cursor:pointer;flex-shrink:0;
  background:rgba(55,217,250,.15);color:var(--tah-neon);font-weight:700;font-size:13px;
  transition:all .2s;
}
.tah-copybtn:hover{background:var(--tah-neon);color:#001018}
.tah-copybtn.done{background:#1ea672;color:#fff}

/* Binance link button */
.tah-linkbtn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:13px;border-radius:11px;background:var(--tah-grad);color:#001018;
  font-weight:700;font-size:14px;text-decoration:none;margin-bottom:12px;transition:transform .2s,box-shadow .2s;
}
.tah-linkbtn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(55,217,250,.3)}

/* WhatsApp button */
.tah-wa{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:13px;border-radius:11px;background:rgba(37,211,102,.12);color:#3ddc9a;
  border:1px solid rgba(61,220,154,.3);font-weight:700;font-size:14px;text-decoration:none;
  margin-bottom:12px;transition:background .2s;cursor:pointer;
}
.tah-wa:hover{background:rgba(37,211,102,.2)}

/* STK notice */
.tah-notice{
  padding:14px;border-radius:12px;font-size:13px;line-height:1.55;margin-bottom:14px;
  background:rgba(55,217,250,.08);border:1px solid var(--tah-line-neon);color:#c7d3df;
}
.tah-notice strong{color:var(--tah-neon)}

/* ---------- Proof upload ---------- */
.tah-proof-label{font-size:13px;font-weight:700;margin:16px 0 8px}
.tah-drop{
  border:1.5px dashed var(--tah-line-neon);border-radius:13px;padding:22px;text-align:center;
  cursor:pointer;transition:background .2s,border-color .2s;
}
.tah-drop:hover{background:rgba(55,217,250,.05);border-color:var(--tah-neon)}
.tah-drop .up-ic{font-size:22px;color:var(--tah-neon);margin-bottom:6px}
.tah-drop .up-t{font-size:14px;font-weight:700}
.tah-drop .up-s{font-size:11.5px;color:var(--tah-muted);margin-top:4px}
.tah-drop.has-file{border-style:solid;border-color:#1ea672;background:rgba(30,166,114,.08)}
.tah-drop.has-file .up-ic{color:#3ddc9a}

/* ---------- Footer / actions ---------- */
.tah-foot{
  display:flex;align-items:center;justify-content:flex-end;gap:12px;
  padding:16px 24px;border-top:1px solid var(--tah-line);
}
.tah-btn{
  padding:12px 22px;border-radius:11px;font-size:14px;font-weight:700;cursor:pointer;
  border:none;font-family:var(--tah-font);transition:transform .2s,box-shadow .2s,background .2s;
}
.tah-btn-ghost{background:rgba(255,255,255,.06);color:var(--tah-text);border:1px solid var(--tah-line)}
.tah-btn-ghost:hover{background:rgba(255,255,255,.12)}
.tah-btn-primary{background:var(--tah-grad);color:#001018}
.tah-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(55,217,250,.34)}
.tah-btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Success ---------- */
.tah-success{text-align:center;padding:26px 10px}
.tah-check{
  width:72px;height:72px;border-radius:50%;margin:0 auto 18px;
  background:rgba(30,166,114,.15);border:2px solid #1ea672;
  display:flex;align-items:center;justify-content:center;
  animation:tah-pop .5s cubic-bezier(.2,1.4,.4,1);
}
.tah-check svg{width:34px;height:34px;stroke:#3ddc9a;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
@keyframes tah-pop{0%{transform:scale(0)}100%{transform:scale(1)}}
.tah-success h3{font-size:20px;margin:0 0 8px}
.tah-success p{color:var(--tah-muted);font-size:14px;line-height:1.6;margin:0 auto;max-width:400px}
.tah-order-badge{
  display:inline-block;margin:14px 0;padding:8px 16px;border-radius:10px;font-family:var(--tah-mono);
  background:rgba(55,217,250,.1);border:1px solid var(--tah-line-neon);color:var(--tah-neon);font-size:14px;
}

/* ---------- Spinner ---------- */
.tah-spin{
  width:17px;height:17px;border-radius:50%;border:2px solid rgba(0,0,0,.25);
  border-top-color:#001018;display:inline-block;animation:tah-rot .7s linear infinite;vertical-align:middle;
}
@keyframes tah-rot{to{transform:rotate(360deg)}}

/* ---------- Toast ---------- */
.tah-toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100001;display:flex;flex-direction:column;gap:8px;align-items:center}
.tah-toast{
  padding:12px 20px;border-radius:11px;font-size:13.5px;font-weight:600;
  background:#0e1420;border:1px solid var(--tah-line-neon);color:var(--tah-text);
  box-shadow:0 12px 40px rgba(0,0,0,.5);
  transform:translateY(16px);opacity:0;transition:all .3s;
}
.tah-toast.show{transform:translateY(0);opacity:1}
.tah-toast.err{border-color:rgba(255,107,107,.5);color:#ffb3b3}
.tah-toast.ok{border-color:rgba(61,220,154,.5);color:#9ff0cd}

/* ---------- Field error ---------- */
.tah-input.tah-invalid,.tah-select-trigger.tah-invalid{border-color:#ff6b6b;box-shadow:0 0 0 3px rgba(255,107,107,.12)}
.tah-err-msg{color:#ff8f8f;font-size:12px;margin-top:6px;display:none}
.tah-err-msg.show{display:block}

/* ---------- Responsive ---------- */
@media (max-width:560px){
  .tah-overlay{padding:0;align-items:flex-end}
  .tah-modal{max-width:100%;max-height:96vh;border-radius:20px 20px 0 0}
  .tah-row2{grid-template-columns:1fr}
  .tah-foot{flex-direction:column-reverse}
  .tah-foot .tah-btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  .tah-modal,.tah-overlay,.tah-toast,.tah-check{transition:none;animation:none}
}