/* Center and simulate an A4 paper sheet in the browser */
.preview-stage {
    background-color: #e2e8f0;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.a4-sheet {
    background: #ffffff;
    width: 210mm;
    min-height: 297mm;
    padding: 12mm;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    box-sizing: border-box;
}
.quotation-paper {
    background: #ffffff;
    padding: 35px 40px; /* Gives top/bottom and left/right space around the content */
    box-sizing: border-box;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); /* Optional soft edge shadow */
}