body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

h1 { color: #232f3e; } /* AWS Dark Blue */

button {
    background-color: #ff9900; /* AWS Orange */
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:hover { background-color: #ec8c00; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

th { background-color: #232f3e; color: white; }
tr:hover { background-color: #f1f1f1; }

.upload-section {
    background: #eef2f5;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
}