body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0e1628;
    color: #ffffff;
  }
  
  .wrapper {
    display: flex;
    min-height: 100vh;
  }
  
  .sidebar {
    width: 320px;
    background-color: #111d36;
    padding: 2rem;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    height: calc(100vh - 64px);
    overflow-y: auto;
  }
  
  .logo {
    font-size: 1.8rem;
    font-weight: bold;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
  }
  
  .main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
  }
  
  h1, h2 {
    margin-bottom: 1rem;
    color: #156ffe;
  }
  
  .form-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .form-row {
    display: flex;
    flex-direction: column;
  }
  
  input[type="text"] {
    padding: 0.5rem;
    border: none;
    border-radius: 6px;
    background-color: #1a2745;
    color: #fff;
  }
  
  button {
    background-color: #156ffe;
    color: #fff;
    padding: 0.75rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
  }
  
  button:hover {
    background-color: #0743a3;
  }
  
  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .number-card {
    background-color: #1e2b4c;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
  }
  
  .warmup-bar {
    width: 100%;
    height: 8px;
    background-color: #32405e;
    border-radius: 4px;
    overflow: hidden;
  }
  
  .warmup-fill {
    height: 100%;
    background-color: rgb(8, 194, 229);
  }
  
  .log-box {
    margin-top: 1.5rem;
    background-color: #1b263f;
    padding: 1rem;
    border-radius: 8px;
    max-height: 500px;
    overflow-y: auto;
  }
  
  .log-entry {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.4;
  }
  
  .log-time {
    color: #999;
    font-size: 0.85rem;
    margin-left: 0.5rem;
  }
  
  .empty-text {
    color: #ccc;
    font-style: italic;
  }
  
  .error-box {
    background-color: #d9534f;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    color: white;
  }