/* ============================================================
   OST Top-Up — "Keep Playing" real-money OST refill
   ============================================================
   Pairs with topup.js. Designed to slot in after the free
   faucet section inside #new-here. Uses the same dark + cyan
   palette as the rest of the site.
   ============================================================ */

.topup-section {
  margin-top: 64px;
  padding: 36px 28px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(255, 200, 60, 0.04));
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.topup-section::before {
  content: "";
  position: absolute; inset: -1px;
  background: linear-gradient(120deg, transparent 30%, rgba(0,212,255,0.18), transparent 70%);
  opacity: 0.35; pointer-events: none;
  animation: topupShimmer 9s linear infinite;
}
@keyframes topupShimmer { from { transform: translateX(-30%);} to { transform: translateX(30%);} }

.topup-section h3 {
  font-size: 28px; margin: 0 0 8px;
  background: linear-gradient(90deg, #00d4ff, #ffd166);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.topup-section .topup-sub { color: #cfd8e3; max-width: 640px; margin: 0 auto 28px; line-height: 1.5; }

.topup-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 880px; margin: 0 auto 26px;
}
.topup-tier {
  background: rgba(10, 16, 28, 0.85);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 20px 14px 18px;
  cursor: pointer; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  position: relative;
}
.topup-tier:hover { transform: translateY(-3px); border-color: rgba(0,212,255,0.55); box-shadow: 0 12px 32px rgba(0,212,255,0.18); }
.topup-tier.selected { border-color: #00d4ff; box-shadow: 0 0 0 2px rgba(0,212,255,0.35), 0 14px 36px rgba(0,212,255,0.25); }
.topup-tier.recommended::after {
  content: "BEST VALUE"; position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg,#ffd166,#ff7e5f); color: #1a1004;
  font-size: 10px; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: 0.08em;
}
.topup-tier-price { font-size: 28px; font-weight: 700; color: #00d4ff; }
.topup-tier-base  { font-size: 13px; color: #9aa6b3; margin-top: 4px; }
.topup-tier-bonus { font-size: 12px; color: #ffd166; margin-top: 2px; font-weight: 600; }
.topup-tier-total { font-size: 18px; color: #fff; margin-top: 10px; font-weight: 600; }
.topup-tier-total small { color: #9aa6b3; font-weight: 400; font-size: 12px; }

.topup-cta {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 6px; padding: 14px 28px;
  background: linear-gradient(90deg, #00d4ff, #0091c4);
  color: #04111a; border: none; border-radius: 999px;
  font-size: 16px; font-weight: 700; cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,212,255,0.35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.topup-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(0,212,255,0.45); }
.topup-cta:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.topup-mission {
  margin-top: 20px; padding: 14px 18px; max-width: 720px; margin-left: auto; margin-right: auto;
  background: rgba(0,0,0,0.25); border-radius: 12px;
  font-size: 13px; color: #b8c2cf; line-height: 1.55; border: 1px dashed rgba(255,209,102,0.25);
}
.topup-mission strong { color: #ffd166; }

/* ---------- Converter Hub ---------- */
.converter-hub {
  text-align: left;
  max-width: 980px;
  margin: 64px auto 0;
}
.converter-hub::before { display: none; }
.converter-shell { position: relative; z-index: 1; }
.converter-head {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.8fr);
  gap: 22px;
  align-items: stretch;
  margin-bottom: 24px;
}
.converter-kicker {
  margin: 0 0 6px;
  color: #9fdcff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.converter-wallet-card,
.converter-quote-card,
.converter-swap-card,
.converter-panel {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(8, 14, 24, 0.78);
}
.converter-wallet-card {
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 12px;
}
.converter-wallet-top,
.converter-wallet-metric,
.converter-rate-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.converter-wallet-top span,
.converter-wallet-metric span,
.converter-rate-row,
.converter-amount-field span,
.converter-receive-box span,
.converter-swap-card span,
.converter-transfer-grid span,
.converter-wallet-input span {
  color: #9aa6b3;
  font-size: 12px;
  font-weight: 600;
}
.converter-wallet-top strong,
.converter-wallet-metric strong { color: #fff; }
.converter-graph {
  width: 100%;
  height: 120px;
  display: block;
  border-radius: 10px;
  background: rgba(5, 8, 14, 0.55);
}
.converter-graph-fill { fill: rgba(0, 212, 255, 0.12); }
.converter-graph-line { fill: none; stroke: #00d4ff; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }

.converter-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 6px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  margin-bottom: 18px;
}
.converter-tab {
  border-radius: 10px;
  color: #cfd8e3;
  background: transparent;
  padding: 12px 14px;
  font-weight: 700;
}
.converter-tab.active {
  background: #00d4ff;
  color: #04111a;
}
.converter-panel {
  display: none;
  border-radius: 14px;
  padding: 20px;
}
.converter-panel.active { display: block; }
.converter-quote-card,
.converter-swap-card {
  border-radius: 12px;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: end;
}
.converter-amount-field,
.converter-wallet-input,
.converter-swap-card label,
.converter-transfer-grid label {
  display: grid;
  gap: 8px;
}
.converter-amount-field input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: #fff;
  font-size: 34px;
  font-weight: 800;
}
.converter-receive-box {
  text-align: right;
  display: grid;
  gap: 8px;
}
.converter-receive-box strong,
.converter-output strong {
  color: #00ff9f;
  font-size: 28px;
  line-height: 1.15;
}
.converter-rate-row {
  margin-top: 12px;
  flex-wrap: wrap;
}
.converter-rate-row strong { color: #cfd8e3; }
.converter-suggested {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
.converter-suggested button,
.converter-pill {
  min-height: 42px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: #cfd8e3;
  font-weight: 700;
}
.converter-suggested button:hover,
.converter-pill.active {
  border-color: rgba(0,212,255,0.65);
  color: #fff;
  background: rgba(0,212,255,0.15);
}
.converter-wallet-input { margin: 14px 0; }
.converter-wallet-input input,
.converter-swap-card input,
.converter-transfer-grid input,
.converter-transfer-grid select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.35);
  color: #fff;
  box-sizing: border-box;
}
.converter-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.converter-btn {
  border-radius: 10px;
  padding: 14px 18px;
  font-weight: 800;
  font-size: 15px;
}
.converter-btn.primary {
  color: #04111a;
  background: linear-gradient(90deg, #00d4ff, #38f2b0);
}
.converter-btn.secondary {
  color: #fff;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(0,212,255,0.45);
}
.converter-btn.wide { width: 100%; margin-top: 16px; }
.converter-direction {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.converter-arrow {
  color: #00d4ff;
  font-size: 28px;
  align-self: center;
  justify-self: center;
}
.converter-swap-card {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
}
.converter-swap-card em,
.converter-output em {
  color: #9aa6b3;
  font-style: normal;
}
.converter-output {
  display: grid;
  gap: 8px;
}
.converter-transfer-grid {
  display: grid;
  grid-template-columns: minmax(140px, 0.5fr) minmax(0, 1fr);
  gap: 12px;
}

/* ---------- Modal ---------- */
.topup-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.78);
  display: none; align-items: center; justify-content: center;
  z-index: 9999; padding: 16px; backdrop-filter: blur(6px);
}
.topup-modal-overlay.open { display: flex; }
.topup-modal {
  background: #0a1320; border: 1px solid rgba(0,212,255,0.35); border-radius: 18px;
  width: 100%; max-width: 480px; padding: 26px 22px 22px; position: relative;
  box-shadow: 0 24px 70px rgba(0,0,0,0.6);
  max-height: 92vh; overflow-y: auto;
}
.topup-modal-close {
  position: absolute; top: 12px; right: 14px;
  background: transparent; border: none; color: #9aa6b3;
  font-size: 26px; cursor: pointer; line-height: 1;
}
.topup-modal-close:hover { color: #fff; }
.topup-modal h4 { margin: 0 0 6px; font-size: 22px; color: #fff; }
.topup-modal .topup-modal-sub { color: #9aa6b3; font-size: 13px; margin-bottom: 18px; }

.topup-summary {
  background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; text-align: left;
}
.topup-summary-row { display: flex; justify-content: space-between; font-size: 14px; color: #cfd8e3; padding: 3px 0; }
.topup-summary-row.total { color: #ffd166; font-weight: 700; border-top: 1px dashed rgba(255,255,255,0.12); margin-top: 6px; padding-top: 8px; }

.topup-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.topup-tab {
  flex: 1; padding: 10px 12px; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 10px;
  color: #cfd8e3; cursor: pointer; font-size: 14px; font-weight: 500;
}
.topup-tab.active { background: rgba(0,212,255,0.18); border-color: #00d4ff; color: #fff; }

.topup-pane { display: none; }
.topup-pane.active { display: block; }

.topup-field { margin-bottom: 12px; text-align: left; }
.topup-field label { display: block; font-size: 12px; color: #9aa6b3; margin-bottom: 4px; }
.topup-field input {
  width: 100%; padding: 10px 12px; background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.12); border-radius: 8px;
  color: #fff; font-family: inherit; font-size: 13px;
  box-sizing: border-box;
}
.topup-field input:focus { outline: none; border-color: #00d4ff; }
.topup-field .topup-hint { font-size: 11px; color: #6f7a87; margin-top: 4px; }

.topup-action {
  width: 100%; padding: 13px; margin-top: 6px;
  background: linear-gradient(90deg, #00d4ff, #0091c4);
  color: #04111a; border: none; border-radius: 10px;
  font-size: 15px; font-weight: 700; cursor: pointer;
}
.topup-action:disabled { opacity: 0.5; cursor: not-allowed; }
.topup-action.secondary { background: rgba(255,255,255,0.08); color: #fff; }

.topup-crypto-card {
  background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; padding: 12px 14px; margin-bottom: 12px;
}
.topup-signature-field { margin-top: 12px; }
.topup-crypto-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 13px; }
.topup-crypto-row + .topup-crypto-row { margin-top: 8px; padding-top: 8px; border-top: 1px dashed rgba(255,255,255,0.1); }
.topup-crypto-label { color: #9aa6b3; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.topup-crypto-value {
  font-family: 'SFMono-Regular', Menlo, monospace; font-size: 12px;
  color: #fff; word-break: break-all; text-align: right;
}
.topup-copy-btn {
  background: rgba(0,212,255,0.15); color: #00d4ff;
  border: 1px solid rgba(0,212,255,0.4); border-radius: 6px;
  font-size: 11px; padding: 4px 9px; cursor: pointer; flex-shrink: 0;
}
.topup-copy-btn:hover { background: rgba(0,212,255,0.25); }

.topup-status {
  margin-top: 12px; padding: 10px 12px; border-radius: 8px;
  font-size: 13px; display: none;
}
.topup-status.show { display: block; }
.topup-status.info  { background: rgba(0,212,255,0.1); color: #9fdcff; border: 1px solid rgba(0,212,255,0.35); }
.topup-status.warn  { background: rgba(255,209,102,0.1); color: #ffd166; border: 1px solid rgba(255,209,102,0.4); }
.topup-status.error { background: rgba(255,80,80,0.1); color: #ff8080; border: 1px solid rgba(255,80,80,0.4); }
.topup-status.ok    { background: rgba(80,255,160,0.08); color: #7fffaf; border: 1px solid rgba(80,255,160,0.35); }

@media (max-width: 520px) {
  .topup-section { padding: 28px 16px; }
  .topup-section h3 { font-size: 22px; }
  .topup-tier-price { font-size: 22px; }
  .topup-tier-total { font-size: 15px; }
  .converter-hub { margin-top: 44px; }
  .converter-head,
  .converter-quote-card,
  .converter-swap-card,
  .converter-actions,
  .converter-transfer-grid {
    grid-template-columns: 1fr;
  }
  .converter-tabs { grid-template-columns: 1fr; }
  .converter-receive-box { text-align: left; }
  .converter-amount-field input { font-size: 30px; }
  .converter-receive-box strong,
  .converter-output strong { font-size: 24px; }
  .converter-arrow { transform: rotate(90deg); }
}