/*  JavaScript 7th Edition
    Chapter 2
    Hands-on Project 2-5

    Filename: styles.css
*/

/* apply a natural box layout model to all elements */
* {
   -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
   box-sizing: border-box;
}

/* reset rules */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
   margin: 0;
   padding: 0;
   border: 0;
   font-size: 100%;
   font: inherit;
   vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
   display: block;
}

body {
   line-height: 1;
   width: 960px;
   background: white;
   margin: 30px auto;
   font-family: Verdana, Geneva, sans-serif;
   position: relative;   
}

ol, ul {
   list-style: none;
}

/* page header */
header {
   background: #330570;
   width: 100%;
   color: #FFFFFF;
   font-size: 48px;
   text-align: center;
   line-height: 1.5em; 
}

/* main content */
article {
   width: 960px;
   height: 450px;
   text-align: left;
   background: #FFCF40;
   padding-top: 25px;
}

/* Calculator Table Styles */

table#calculator {
   background-color: rgb(211, 211, 211);

   border: 10px outset rgb(92, 92, 92);
   -moz-border-radius: 25px;
   -webkit-border-radius: 25px;
   border-radius: 25px;

   padding: 15px;
   margin: 0px auto;

   -moz-box-shadow: rgb(101, 101, 101) 20px 10px 20px;
   -webkit-box-shadow: rgb(101, 101, 101) 20px 10px 20px;
   box-shadow: rgb(101, 101, 101) 20px 10px 20px;
}

table#calculator td {
   height: 40px;
}

table#calculator td[rowspan="3"] {
    width: 40px;
   height: 120px; /* Ensure it spans three rows properly */
   vertical-align: middle; /* Center-align the content */
   
   /*height: auto; /* Allow dynamic height for spanned rows */
   /*padding: 5px;*/
}

table#calculator input {
   width: 100%;
   height: 100%;
   border-radius: 7px;
}

table#calculator textarea {
   width: 100%;
   height: 100px;
   background-color: rgb(55, 105, 62);
   font-size: 1.4em;
   color: rgba(255, 255, 255, 0.7);
   margin: 0; /* Ensure no extra spacing */
   padding: 5px; /* Optional for internal spacing */
}

table#calculator td#decimalTD {
   font-size: 0.9em;
   text-align: right;
}

table#calculator input#decimals {
   width: 35px;
   height: 20px;
   background: transparent;
   text-align: center;
}