// ==========================================================================
// Base layout
// ==========================================================================

// BORDER-BOX ALL THE THINGS!
// http://paulirish.com/2012/box-sizing-border-box-ftw/
*,
*::after,
*::before {
    box-sizing: border-box;
}

// Hidden
[hidden] {
    display: none;
}

// Base
html {
    height: 100%;
    font-size: 100%;
}
body {
    padding: (@padding-base * 1.5) (@padding-base / 2) (@padding-base * 3);
    background: @body-background;
    font-family: @font-stack;
    line-height: 1.5;
    text-align: center;
    color: @text-color;
    .font-smoothing(on);
    .font-size();
    font-weight: @font-weight-medium;
    text-shadow: 0 1px 1px fade(#000, 10%);

    @media only screen and (min-width: @screen-sm) {
        display: flex;
        height: 100%;
        align-items: center;
        padding-top: (@padding-base * 3);
    }
}

.section,
.action {
    margin-top: @padding-base;
}
.section + .section {
    margin-top: (@padding-base / 2);
}

// Header
header p {
    .font-size(@font-size-large);
}

// Main container
main {
    max-width: 400px;
    margin: 0 auto;
    animation: fade-in 0.2s ease;
}

// Alert
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: (@padding-base / 2);
    background: fade(#fff, 95%);
    color: @gray;
    text-shadow: none;
    animation: fade-in-up 0.2s ease;

    .icon {
        margin-right: ceil(@padding-base / 3);
    }
}