* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }
  
  body {
    min-height: 100vh;
    background: radial-gradient(circle at top left, #6366f1, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
  }
  
  .form-container {
    width: 360px;
    background: rgba(255, 255, 255, 0.95);
    padding: 32px;
    border-radius: 14px;
    box-shadow:
      0 10px 25px rgba(0, 0, 0, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }
  
  h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
    color: #0f172a;
  }
  
  .field {
    margin-bottom: 18px;
  }
  
  label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #334155;
  }
  
  input {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 1.5px solid #cbd5f5;
    background: #f8fafc;
    transition: border 0.2s ease, box-shadow 0.2s ease;
  }
  
  input::placeholder {
    color: #94a3b8;
  }
  
  input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    background: #ffffff;
  }
  
  .error {
    display: block;
    min-height: 14px;
    margin-top: 6px;
    font-size: 0.75rem;
    color: #dc2626;
  }
  
  button {
    margin-top: 8px;
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }
  
  button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
  }
  
  button:active {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
  }