:root {
  --bg: #0d0d0f;
  --card-bg: rgba(28, 29, 35, 0.5);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e8e8e8;
  --text-secondary: #a0a0a0;
  --primary: #00bcd4;
  --accent-purple: #9b59b6;
  --radius: 20px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  --transition-speed: 0.4s;
  --paypal-color: #2790c3;
  --bitcoin-color: #f7931a;
  --litecoin-color: #bebebe;
  --monero-color: #f26822;
  --ethereum-color: #8c8c8c;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: var(--bg);
  background-image: radial-gradient(ellipse at top, #1f1f2b, var(--bg));
  color: var(--text);
  font-family: "Inter", "Roboto", Arial, sans-serif;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 16px 64px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}
h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.5em;
  background: linear-gradient(
    110deg,
    var(--primary),
    var(--accent-purple)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  text-shadow: 0 0 30px rgba(155, 89, 182, 0.25);
}
.wallets {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5em;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  perspective: 1000px;
}
.wallet-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
  width: 340px;
  max-width: 100%;
  padding: 2em 1.5em 1.5em 1.5em;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(60px) scale(0.95);
  animation: cardIn 0.7s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  box-sizing: border-box;
  transition: transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
}
.wallet-card:hover {
  transform: translateY(-8px) rotateX(5deg) scale(1.03);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}
.wallet-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at var(--mouse-x) var(--mouse-y),
    var(--spotlight-color) 0%,
    transparent 35%
  );
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
  pointer-events: none;
  z-index: 0;
}
.wallet-card:hover::before {
  opacity: 1;
}
.wallet-card[data-coin="PayPal"] {
  animation-delay: 0.2s;
  --spotlight-color: hsla(207, 63%, 47%, 0.15);
}
.wallet-card[data-coin="PayPal"]:hover {
  box-shadow: 0 0 35px -8px var(--paypal-color);
}
.wallet-card[data-coin="Bitcoin"] {
  animation-delay: 0.3s;
  --spotlight-color: hsla(34, 93%, 53%, 0.15);
}
.wallet-card[data-coin="Bitcoin"]:hover {
  box-shadow: 0 0 35px -8px var(--bitcoin-color);
}
.wallet-card[data-coin="Litecoin"] {
  animation-delay: 0.4s;
  --spotlight-color: hsla(0, 0%, 75%, 0.15);
}
.wallet-card[data-coin="Litecoin"]:hover {
  box-shadow: 0 0 35px -8px var(--litecoin-color);
}
.wallet-card[data-coin="Monero"] {
  animation-delay: 0.5s;
  --spotlight-color: hsla(18, 89%, 54%, 0.15);
}
.wallet-card[data-coin="Monero"]:hover {
  box-shadow: 0 0 35px -8px var(--monero-color);
}
.wallet-card[data-coin="Ethereum"] {
  animation-delay: 0.6s;
  --spotlight-color: hsla(0, 0%, 55%, 0.15);
}
.wallet-card[data-coin="Ethereum"]:hover {
  box-shadow: 0 0 35px -8px var(--ethereum-color);
}
@keyframes cardIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.wallet-logo,
.wallet-title,
.wallet-qr,
.wallet-address-row,
.qr-toggle {
  position: relative;
  z-index: 1;
}
.wallet-logo {
  margin-bottom: 0.5em;
}
a.wallet-link {
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s ease-out;
}
a.wallet-link:hover {
  transform: scale(1.08);
}
.wallet-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0.5em 0 0.2em 0;
}
.wallet-title[data-coin="PayPal"] {
  color: var(--paypal-color);
}
.wallet-title[data-coin="Bitcoin"] {
  color: var(--bitcoin-color);
}
.wallet-title[data-coin="Litecoin"] {
  color: var(--litecoin-color);
}
.wallet-title[data-coin="Monero"] {
  color: var(--monero-color);
}
.wallet-title[data-coin="Ethereum"] {
  color: var(--ethereum-color);
}
.qr-toggle {
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.5em 1em;
  margin: 1em 0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.qr-toggle:hover {
  background-image: linear-gradient(
    110deg,
    var(--primary),
    var(--accent-purple)
  );
  color: #fff;
  border-color: transparent;
  transform: scale(1.05);
}
.qr-toggle::before {
  content: "Show QR Code";
}
.wallet-card.qr-active .qr-toggle::before {
  content: "Show Address";
}
.wallet-qr {
  display: none;
  margin: 0 0 0.5em 0;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 16px;
  padding: 8px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
  align-items: center;
  justify-content: center;
}
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.wallet-card.qr-active .wallet-qr {
  display: flex;
  animation: fadeInScale 0.4s ease forwards;
}
.wallet-card.qr-active .wallet-address-row {
  display: none;
}
.wallet-qr svg {
  width: 200px !important;
  height: 200px !important;
  display: block;
  border-radius: 12px;
  background: transparent;
}
.wallet-address-row {
  display: flex;
  align-items: center;
  gap: 0.5em;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.2);
  padding: 0.5em 0.7em;
  font-family: monospace;
  font-size: 1rem;
  color: var(--text);
  word-break: break-all;
  margin-bottom: 0.5em;
  width: 100%;
  box-sizing: border-box;
}
.wallet-address {
  flex-grow: 1;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.copy-btn {
  background: transparent;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 0.3em;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s, transform 0.2s;
  font-size: 1.2em;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.copy-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}
.copy-tooltip {
  position: absolute;
  top: 1.2em;
  right: 1.2em;
  background: #1a1a1a;
  color: #fff;
  padding: 0.4em 0.9em;
  border-radius: 6px;
  font-size: 0.95em;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.wallet-card.copied .copy-tooltip {
  opacity: 1;
  transform: translateY(0);
}
.top-separator,
.bottom-separator {
  width: 100%;
  max-width: 400px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--primary),
    var(--accent-purple),
    transparent
  );
  border: none;
  opacity: 0.3;
}
.top-separator {
  margin: 0 0 40px 0;
}
.bottom-separator {
  margin: 48px 0 0 0;
}
.thank-you-box {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
  max-width: 600px;
  width: 100%;
  margin-top: 40px;
  padding: 1.5em 2em;
  box-sizing: border-box;
  text-align: center;
}
.thank-you-box p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 900px) {
  .wallets {
    flex-direction: column;
    align-items: center;
    gap: 2em;
  }
}
@media (max-width: 400px) {
  .container {
    padding: 32px 8px 48px 8px;
  }
  h1 {
    font-size: 2.4rem;
  }
  .wallet-card {
    width: 100%;
  }
}