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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  min-height: 100vh;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

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

header h1 {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

header p {
  color: #888;
  font-size: 1.1rem;
}

.content {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid #2a2a3e;
  border-radius: 12px;
  padding: 2rem;
  min-height: 400px;
}

.btn {
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #2a2a3e;
}

th {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  font-weight: 600;
}

input, select {
  width: 100%;
  padding: 0.8rem;
  background: #1a1a2e;
  border: 1px solid #2a2a3e;
  border-radius: 8px;
  color: #e0e0e0;
  font-size: 1rem;
  margin-bottom: 1rem;
}

input:focus, select:focus {
  outline: none;
  border-color: #667eea;
}
