/* ===================================================
   PRO INTERFACE LAYER
   (CSS ONLY — logic untouched)
   =================================================== */

body {
    background: linear-gradient(#F4F7FB, #EEF2F7);
}

/* Main container — elevate */
.container {
    border-radius: 20px;
    border: 1px solid #DCE6F5;
    box-shadow:
        0 18px 40px rgba(15, 23, 42, 0.10),
        0 4px 10px rgba(15, 23, 42, 0.04);
}

/* Headings */
h1 {
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* Inputs — slightly heavier */
input,
select,
textarea {
    border-radius: 14px;
    font-size: 16px;
}

/* Amount dominance */
input[name="amount"] {
    font-size: 18px;
}

/* Primary action */
#btnConvert {
    font-weight: 700;
    padding: 12px 26px;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.35);
}

/* Output — cheque authority */
#outputWords {
    background: #FAFAF6;
    border-left: 6px solid #1E3A5F;
    font-family: Georgia, "Libre Baskerville", serif;
    font-size: 18px;
    line-height: 1.7;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.08);
}

/* Copy button — secondary but confident */
#btnCopy {
    font-weight: 600;
    border-radius: 10px;
}

/* Hover refinement */
button:hover {
    filter: brightness(1.02);
}


.pro-badge {
    position: fixed;
    top: 16px;
    right: 16px;
    background: #0F172A;
    color: #fff;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    letter-spacing: 0.1em;
}