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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow-x: hidden;
}

#app {
  width: 100%;
  max-width: 600px;
}

.container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: 48px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  text-align: center;
  margin-bottom: 40px;
}

.header h1 {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.header p {
  font-size: 16px;
  color: #666;
}

.ip-display {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 32px;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  animation: fadeIn 0.8s ease-out 0.2s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.ip-display .label {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ip-display .value {
  font-size: 36px;
  font-weight: 700;
  font-family: 'Courier New', monospace;
}

.map-container {
  margin-bottom: 24px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  animation: fadeIn 0.8s ease-out 0.4s both;
}

#map {
  width: 100%;
  height: 300px;
  z-index: 1;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  animation: fadeIn 0.8s ease-out 0.6s both;
}

.info-card {
  background: #f8f9fa;
  padding: 24px;
  border-radius: 12px;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
}

.info-card:hover {
  border-color: #667eea;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.info-card .icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.info-card .label {
  font-size: 12px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.info-card .value {
  font-size: 18px;
  font-weight: 600;
  color: #333;
}

.loading {
  text-align: center;
  padding: 60px 20px;
}

.spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto 20px;
  border: 4px solid rgba(102, 126, 234, 0.2);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading p {
  color: #666;
  font-size: 16px;
}

.error {
  background: #fee;
  color: #c33;
  padding: 20px;
  border-radius: 12px;
  border: 2px solid #fcc;
  text-align: center;
  animation: shake 0.5s ease-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.refresh-btn {
  width: 100%;
  margin-top: 24px;
  padding: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.refresh-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.refresh-btn:active {
  transform: translateY(0);
}

@media (max-width: 600px) {
  .container {
    padding: 32px 24px;
  }

  .header h1 {
    font-size: 26px;
  }

  .ip-display .value {
    font-size: 28px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}