/* ============================================================
   AC Purchase Modal — Arcade Credits Buy Screen
   ============================================================ */

.ac-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: ac-fade-in 0.2s ease both;
}
.ac-modal-overlay.hidden { display: none; }

@keyframes ac-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ac-modal {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  width: 100%;
  max-width: 680px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 0 60px hsl(280,80%,45%,0.25), 0 24px 48px rgba(0,0,0,0.6);
  animation: ac-slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
  position: relative;
}

@keyframes ac-slide-up {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Top accent */
.ac-modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, hsl(280,80%,55%), hsl(160,100%,50%), hsl(280,80%,55%));
  border-radius: 16px 16px 0 0;
}

/* ─── Header ─── */
.ac-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--clr-border);
}

.ac-modal-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.ac-modal-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, hsl(280,80%,30%), hsl(280,80%,20%));
  border: 1px solid hsl(280,80%,55%,0.5);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 0 12px hsl(280,80%,55%,0.3);
}

.ac-modal-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--clr-text-primary);
  letter-spacing: 0.05em;
}

.ac-modal-subtitle {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
}

.ac-modal-close {
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  line-height: 1;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.ac-modal-close:hover { color: var(--clr-text-primary); background: var(--clr-bg-raised); }

/* ─── Balance strip ─── */
.ac-modal-balance-bar {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--clr-bg-surface);
  border-bottom: 1px solid var(--clr-border);
}

.ac-balance-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-pixel);
  font-size: 0.6rem;
}

.ac-balance-label { color: var(--clr-text-muted); }
.ac-balance-value { color: hsl(280,80%,75%); font-size: 0.75rem; }
.cc-balance-value { color: var(--clr-cc); font-size: 0.75rem; }

/* ─── Tab bar ─── */
.ac-modal-tabs {
  display: flex;
  gap: 0;
  padding: var(--space-4) var(--space-6) 0;
  border-bottom: 1px solid var(--clr-border);
}

.ac-tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--clr-text-muted);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px;
}
.ac-tab-btn:hover { color: var(--clr-text-primary); }
.ac-tab-btn.active {
  color: hsl(280,80%,75%);
  border-bottom-color: hsl(280,80%,55%);
}

/* ─── Packages grid ─── */
.ac-packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
}

.ac-pkg-card {
  background: var(--clr-bg-raised);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: var(--space-4);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  text-align: center;
  user-select: none;
}
.ac-pkg-card:hover {
  border-color: hsl(280,80%,55%,0.5);
  box-shadow: 0 0 16px hsl(280,80%,55%,0.15);
  transform: translateY(-2px);
}
.ac-pkg-card.selected {
  border-color: hsl(280,80%,55%);
  box-shadow: 0 0 20px hsl(280,80%,55%,0.3);
  background: hsl(280,80%,15%,0.4);
}

.ac-pkg-popular-badge {
  position: absolute;
  top: -10px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, hsl(280,80%,55%), hsl(160,100%,50%));
  color: #000;
  font-family: var(--font-display);
  font-size: 0.45rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.ac-pkg-ac-amount {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: hsl(280,80%,75%);
  line-height: 1;
  margin-top: var(--space-2);
}

.ac-pkg-ac-unit {
  font-size: 0.55rem;
  color: hsl(280,80%,55%);
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.ac-pkg-bonus {
  font-size: 0.6rem;
  color: hsl(160,100%,50%);
  margin-top: var(--space-1);
  font-weight: 700;
}

.ac-pkg-price {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-text-primary);
}

.ac-pkg-cpp {
  font-size: 0.55rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
}

/* ─── Payment panel ─── */
.ac-payment-panel {
  padding: 0 var(--space-6) var(--space-6);
}

.ac-pay-tab-content { display: none; }
.ac-pay-tab-content.active { display: block; }

.ac-stripe-wrap {
  background: var(--clr-bg-surface);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

#ac-stripe-element {
  padding: var(--space-3);
  background: var(--clr-bg-raised);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  min-height: 44px;
}

.ac-pay-hint {
  font-size: 0.7rem;
  color: var(--clr-text-muted);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.ac-pay-btn {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, hsl(280,80%,45%), hsl(280,80%,35%));
  border: 1px solid hsl(280,80%,55%,0.5);
  border-radius: 10px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: var(--space-3);
}
.ac-pay-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, hsl(280,80%,55%), hsl(280,80%,45%));
  box-shadow: 0 0 20px hsl(280,80%,55%,0.4);
}
.ac-pay-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Crypto panel */
.ac-crypto-info {
  background: var(--clr-bg-surface);
  border: 1px solid hsl(160,100%,50%,0.2);
  border-radius: 10px;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.ac-crypto-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  font-size: 0.75rem;
  border-bottom: 1px solid var(--clr-border);
}
.ac-crypto-row:last-child { border-bottom: none; }
.ac-crypto-row-label { color: var(--clr-text-muted); }
.ac-crypto-row-value { color: var(--clr-text-primary); font-family: var(--font-pixel); font-size: 0.65rem; }
.ac-crypto-row-value.green { color: hsl(160,100%,50%); }

.ac-wallet-addr {
  background: var(--clr-bg-raised);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: var(--space-2) var(--space-3);
  font-family: monospace;
  font-size: 0.65rem;
  color: var(--clr-neon-cyan);
  word-break: break-all;
  margin: var(--space-2) 0;
}

.ac-tx-input {
  width: 100%;
  background: var(--clr-bg-raised);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: var(--space-2) var(--space-3);
  font-size: 0.75rem;
  color: var(--clr-text-primary);
  font-family: monospace;
  margin-top: var(--space-2);
  box-sizing: border-box;
  transition: border-color var(--transition-fast);
}
.ac-tx-input:focus {
  outline: none;
  border-color: hsl(160,100%,50%,0.5);
}
.ac-tx-input::placeholder { color: var(--clr-text-muted); }

/* Status / error */
.ac-status-msg {
  font-size: 0.7rem;
  margin-top: var(--space-2);
  min-height: 1.2em;
  text-align: center;
}
.ac-status-msg.error { color: var(--clr-neon-red); }
.ac-status-msg.success { color: hsl(160,100%,50%); }
.ac-status-msg.info { color: var(--clr-text-muted); }

/* No-package state */
.ac-no-pkg-msg {
  text-align: center;
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  padding: var(--space-4);
}

/* Responsive */
@media (max-width: 480px) {
  .ac-packages-grid { grid-template-columns: repeat(2, 1fr); }
  .ac-modal-header { padding: var(--space-4); }
  .ac-packages-grid { padding: var(--space-4); }
  .ac-payment-panel { padding: 0 var(--space-4) var(--space-4); }
}