:root {
  --pink-light: #FFB6C1;
  --pink-medium: #FF69B4;
  --pink-dark: #FF1493;
  --pink-pale: #FFC0CB;
  --pink-bg: #FFF0F5;
  --text-dark: #8B4789;
  --text-light: #FFE4E1;
  --shadow: rgba(255, 105, 180, 0.3);

  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  font-weight: 400;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 320px;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--pink-pale) 0%, var(--pink-light) 50%, var(--pink-medium) 100%);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 182, 193, 0.4) 0%, transparent 50%),
    linear-gradient(135deg, var(--pink-pale) 0%, var(--pink-light) 50%, var(--pink-medium) 100%);
  color: var(--text-dark);
}

#app {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  padding: 1rem;
}

.container {
  background: white;
  border-radius: 30px;
  padding: 2rem;
  box-shadow: 0 20px 60px var(--shadow);
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.piggy-header {
  text-align: center;
  margin-bottom: 2rem;
}

.piggy-header h1 {
  font-size: 2.5rem;
  color: var(--pink-dark);
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px var(--shadow);
  transform: rotate(-2deg);
  display: inline-block;
}

.subtitle {
  color: var(--text-dark);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

.content {
  text-align: center;
}

.piggy-button {
  background: linear-gradient(135deg, var(--pink-medium), var(--pink-dark));
  color: white;
  border: none;
  border-radius: 50px;
  padding: 1rem 2.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px var(--shadow), 0 0 0 4px rgba(255, 182, 193, 0.3);
  margin: 1rem 0;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.piggy-button:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--shadow);
}

.piggy-button:active:not(:disabled) {
  transform: translateY(-1px);
}

.piggy-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.piggy-button.secondary {
  background: linear-gradient(135deg, var(--pink-light), var(--pink-medium));
  font-size: 1rem;
  padding: 0.75rem 2rem;
}

.piggy-button.mint-button {
  background: linear-gradient(135deg, #9D4EDD, #7B2CBF);
  animation: mintPulse 2s ease-in-out infinite;
}

@keyframes mintPulse {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(157, 78, 221, 0.4);
  }
  50% {
    box-shadow: 0 6px 25px rgba(157, 78, 221, 0.6);
  }
}

.loading {
  text-align: center;
  padding: 2rem;
}

.spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  border: 5px solid var(--pink-pale);
  border-top: 5px solid var(--pink-dark);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 20px rgba(255, 105, 180, 0.3);
}

.spinner::after {
  content: '🐷';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading p {
  color: var(--text-dark);
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.step-text {
  font-size: 0.9rem;
  opacity: 0.8;
}

.result {
}

.success {
  text-align: center;
  animation: fadeIn 0.5s ease-in;
}

.success h2 {
  color: var(--pink-dark);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.piggy-result {
  max-width: 100%;
  width: 100%;
  min-height: 300px;
  border-radius: 30px;
  box-shadow: 0 10px 30px var(--shadow), 0 0 0 8px rgba(255, 182, 193, 0.3), 0 0 0 12px rgba(255, 192, 203, 0.2);
  margin: 1.5rem 0;
  border: 6px solid var(--pink-light);
  transform: rotate(-1deg);
  transition: transform 0.3s ease;
  background: linear-gradient(135deg, var(--pink-pale) 0%, var(--pink-light) 100%);
}

.piggy-result:hover {
  transform: rotate(0deg) scale(1.02);
}

.error {
  background: #ffe4e1;
  border: 2px solid var(--pink-medium);
  border-radius: 15px;
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dark);
}

.error p {
  margin: 0.5rem 0;
  font-size: 1rem;
}

.customization-section {
  background: linear-gradient(135deg, rgba(157, 78, 221, 0.1), rgba(123, 44, 191, 0.1));
  border: 2px solid rgba(157, 78, 221, 0.3);
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.5s ease-in;
}

.customization-label {
  color: #7B2CBF;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  text-align: center;
}

.customization-input {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  border: 2px solid var(--pink-light);
  border-radius: 15px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-dark);
  background: white;
  transition: all 0.3s ease;
  outline: none;
}

.customization-input:focus {
  border-color: #9D4EDD;
  box-shadow: 0 0 0 3px rgba(157, 78, 221, 0.2);
}

.customization-input::placeholder {
  color: rgba(139, 71, 137, 0.5);
}

.balance-section {
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.5s ease-in;
  text-align: center;
}

.balance-section.eligible {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(56, 142, 60, 0.1));
  border: 2px solid rgba(76, 175, 80, 0.4);
}

.balance-section.not-eligible {
  background: linear-gradient(135deg, rgba(255, 152, 0, 0.1), rgba(245, 124, 0, 0.1));
  border: 2px solid rgba(255, 152, 0, 0.3);
}

.balance-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.balance-label {
  font-size: 0.9rem;
  color: var(--text-dark);
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.balance-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--pink-dark);
  background: linear-gradient(135deg, var(--pink-dark), #9D4EDD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.balance-requirement {
  font-size: 0.95rem;
  color: #F57C00;
  font-weight: 600;
  margin: 0.5rem 0 1rem;
}

.balance-status {
  font-size: 1rem;
  color: #4CAF50;
  font-weight: 700;
  margin: 0.5rem 0 0;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
}

.minted-badge {
  display: inline-block;
  background: linear-gradient(135deg, #4CAF50, #388E3C);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  margin-top: 1rem;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
  animation: fadeIn 0.5s ease-in;
}

.piggy-button.regenerate-confirm {
  background: linear-gradient(135deg, #FF6B35, #F7931E);
  animation: regeneratePulse 2s ease-in-out infinite;
}

@keyframes regeneratePulse {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
  }
  50% {
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.6);
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1.5rem;
    border-radius: 20px;
  }

  .piggy-header h1 {
    font-size: 2rem;
  }

  .piggy-button {
    font-size: 1rem;
    padding: 0.875rem 2rem;
  }

  .balance-amount {
    font-size: 1.5rem;
  }

  .balance-section {
    padding: 1rem;
  }
}