* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
  min-height: 100vh;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  user-select: none;
}

.container {
  width: 100%;
  max-width: 800px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

header {
  background: #4a5568;
  color: white;
  padding: 25px 30px;
  text-align: center;
}

h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 16px;
  opacity: 0.8;
}

.content {
  padding: 30px;
}

.input-group {
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #4a5568;
}

input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s;
}

input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.button-group {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
}

button {
  flex: 1;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.primary-btn {
  background: #667eea;
  color: white;
}

.primary-btn:hover {
  background: #5a6fd8;
  transform: translateY(-2px);
}

.secondary-btn {
  background: #e2e8f0;
  color: #4a5568;
}

.secondary-btn:hover {
  background: #cbd5e0;
}

.status-card {
  background: #f7fafc;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 25px;
  border-left: 4px solid #667eea;
}

.status-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.status-badge {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.status-active {
  background: #c6f6d5;
  color: #22543d;
}

.status-expired {
  background: #fed7d7;
  color: #742a2a;
}

.status-error {
  background: #feebcb;
  color: #744210;
}

.status-loading {
  background: #bee3f8;
  color: #1a365d;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 14px;
  color: #718096;
  margin-bottom: 5px;
}

.info-value {
  font-size: 16px;
  font-weight: 600;
  color: #2d3748;
}

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 30px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(102, 126, 234, 0.2);
  border-left: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.hidden {
  display: none;
}

footer {
  text-align: center;
  padding: 20px;
  color: #718096;
  font-size: 14px;
  border-top: 1px solid #e2e8f0;
}

@media (max-width: 600px) {
  .button-group {
    flex-direction: column;
  }

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