html,
body {
    height: 100%;
    padding: 0;
    margin: 0;
    background: white;
    color: black;
    font-family: Arial;
    font-size: small;
}

body {
    display: flex;
}

section {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    flex: 1;
    width: 50%;
}
section + section {
    border-left: 1px solid #26A;
}
section > .header {
    display: flex;
    align-items: center;
    height: 42px;
    box-sizing: border-box;
    flex: 0 0 auto;
    padding: 10px;
    background: #0381d3;
    color: white;
}
section > .header > .caption {
    font-size: 140%;
    line-height: 1;
    flex: 1;
}
section > .header label {
    padding-left: 15px;
    cursor: pointer;
}
section > .header input {
    margin-top: 0;
    vertical-align: middle;
}
section > .header button {
    margin: 0;
}
section > .header button::-moz-focus-inner {
    border: 0;
}

.editor {
    flex: 1;
    padding: 10px;
    
    outline: none;
    border: none;
    resize: none;

    font-family: Consolas, Monaco, Courier New, monospace;
    font-size: 14px;
    line-height: 1.5;
}

#result {
    position: relative;
}
#error {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, .98);
    color: #D00;
    transition: all .15s;
    opacity: 0;
    visibility: hidden;
}
#error.show
{
    transition: all .35s;
    opacity: 1;
    visibility: visible;
}
#error .header
{
    background: #E82020;
}
#errorMessage
{
    padding: 10px;
    font-size: 120%;
    white-space: pre-wrap;
    font-family: Consolas, Monaco, Courier New, monospace;
}

#output {
    overflow: auto;
    white-space: pre-wrap;
    font-family: Consolas, Monaco, Courier New, monospace;
    font-size: 14px;
    line-height: 1.5;
}
#output .content {
    padding: 10px;
}

.change-log-toggle {
    display: block;
    font-size: 10px;
    padding: 4px 10px;
    background: #ABC;
    text-align: center;
    cursor: pointer;
}

#transformations-log {
    overflow: auto;
    background: #F4F4FA;
}
#transformations-log .content {
    padding: 10px;
}
#transformations-log H2 {
    display: inline-block;
    padding: 2px 5px 1px;
    position: relative;
    left: -5px;
    color: #AAA;
    background: rgba(255, 255, 255, .65);
    margin: 0 0 .5em;
    font-size: 14px;
    font-weight: normal;
}
#transformations-log .delta + H2 {
    margin-top: 1.25em;
}
#transformations-log .empty-delta {
    color: #CCC;
    font-size: 12px;
}
#transformations-log .delta {
    font-family: Consolas, Monaco, Courier New, monospace;
    line-height: 1.5;
}
#transformations-log .delta .added {
    padding: 2px 0;
    background: #595;
    color: white;
}
#transformations-log .delta .removed {
    padding: 2px 0;
    background: #A66;
    color: white;
}
#transformations-log .header:hover {
    background: #9AB;
}

#output,
#transformations-log {
    flex: 1;
    max-height: 100vh;
    height: auto;
    transition: .25s ease-in-out;
    transition-property: padding, max-height, height, flex-grow;
    box-sizing: border-box;
}
#result.show-transformations #output,
#result:not(.show-transformations) #transformations-log {
    flex-grow: 0;
    overflow: hidden;
}

.stat-block {
    padding: 5px 10px;
    background: #D8E8F8;
    display: flex;
    align-items: flex-end;
}
.stat-block .powered {
    flex: 1;
    text-align: right;
}
.stat-block #stat {
    white-space: pre-wrap;
    font-family: Consolas, Monaco, Courier New, monospace;
    font-size: 12px;
    line-height: 1.4;
}