body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #ffffff;
    display: flex;
    justify-content: center;
    padding-top: 50px;
}

.container {
    background: white;
    width: 100%;
    max-width: 500px;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

h1 { margin: 0; color: #333; }
p { color: #666; margin-bottom: 20px; }

/* Input Section */
.input-section {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    flex: 1;
}
button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}
button:hover { background-color: #0056b3; }


table { width: 100%; border-collapse: collapse; }
th { background-color: #f8f9fa; padding: 10px; color: #555; }
td { padding: 12px; border-bottom: 1px solid #eee; }


tbody tr:nth-child(1) td { font-weight: bold; color: #d4af37; } 
tbody tr:nth-child(2) td { font-weight: bold; color: #c0c0c0; } 
tbody tr:nth-child(3) td { font-weight: bold; color: #cd7f32; } 

.clear-btn {
    background-color: #ff4d4d;
    margin-top: 20px;
    font-size: 12px;
}