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

body{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a2e;
    font-family: 'Roboto', sans-serif;
}

.card{
    background: #16213e;
    border-radius: 20px;
    padding: 40px;
    width: 380px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);

}

h1{
    color: #e94560;
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.subtitle{
    color: #a8a8b3;
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.input-group{
    display:flex;
    gap: 10px;
    margin-bottom: 20px;
}

input{
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #0f3460;
    border-radius:10px;
    background: #0f3460;
    color: #fff;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #e94560;
  }

  button {
    padding: 12px 20px;
    background: #e94560;                                                                                                                                                                      
    color: #fff;
    border: none;                                                                                                                                                                             
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;                  
    cursor: pointer;                                                                                                                                                                          
    transition: background 0.3s, transform 0.1s;
  }                                                                                                                                                                                           
                  
  button:hover {
    background: #c73652;
  }                     
                                                                                                                                                                                              
  button:active {
    transform: scale(0.97);                                                                                                                                                                   
  }                        
   
  .message {
    font-size: 1.1rem;
    font-weight: 600; 
    min-height: 28px;
    margin-bottom: 8px;                                                                                                                                                                       
    transition: color 0.3s;
  }                                                                                                                                                                                           
                  
  .message.high  { color: #ff6b6b; }
  .message.low   { color: #ffa94d; }                                                                                                                                                          
  .message.win   { color: #69db7c; }
                                                                                                                                                                                              
  .attempts {     
    color: #a8a8b3;                                                                                                                                                                           
    font-size: 0.9rem;
    min-height: 22px; 
    margin-bottom: 20px;
  }                                                                                                                                                                                           
   
  .btn-reset {                                                                                                                                                                                
    background: #0f3460;
    width: 100%;        
  }             
   
  .btn-reset:hover {
    background: #1a4a80;                                                                                                                                                                      
  }
                                                                                                                                                                                              
  .hidden {       
    display: none;
  }