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

body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: #d9efe3;
    font-family: Verdana, Geneva, Tahoma, sans-serif
}

.card {
    width: 100%;
    max-width: 520px;
    padding: 48px 40px 36px;
    background: #1f2937;
    border-radius: 14px;
    color: #fff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

h1 {
    font-size: 2rem;
    line-height: 1.15;
    font-weight: 800;
}
  
.accent {
    display: block;
    color: #4ade80;
}

p {
    margin-top: 12px;
    color: #d1d5db;
    font-size: 0.95rem;
}

#generate-btn {
    margin-top: 28px;
    padding: 10px 18px;
    background: #10b981;
    color: #fff;
    border: 0;
    border-radius: 6px;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

#generate-btn:hover { 
    background: #059669; 
}

.divider {
    height: 1px;
    margin: 32px 0 24px;
    background: #374151;
}

.display-btn {
    flex: 1;
    min-width: 0;
    padding: 12px 8px;
    background: #273549;
    color: #4ade80;
    border: 0;
    border-radius: 6px;
    font-family: "Courier New", monospace;
    font-size: 0.9rem;
    text-align: center;
    overflow-wrap: anywhere;
    cursor: pointer;
}

.display-btn:hover {
    background: #2f4058;
}

@media (max-width: 480px) {
    .card {padding: 32px 20px 24px;}
    .results {flex-direction: column;}
}