/*
    Copyright 2012 Alexander Dymo <alex@alexdymo.com>

    Typography:
    Le Corbusier based scale:
        points: 4       6.5         10.5            17              27.5
                    5           8           13              21              34
        pixels:                     12              19              31
                                9           15              24              39
    Base font size: 15px
    Calculated manually to avoid rounding errors
    TODO: move all comments and calculations to sass
*/

body {
    margin:0;
    padding: 0;

    font-family: Open Sans, Verdana, sans-serif;
    font-size: 15px;

    line-height: 24px;  /* = 15px * 1.618 */

    color: #222;        /* best page weight with open sans, should be #333 for verdana */

    /* uncomment for vertical rhythm testing */
/*     background: url("lines.png") repeat scroll left top rgb(255, 255, 255); */
}

p {
    padding: 0;
    margin: 24px 0;
}
/* for paragraph that is not separated by blank line */
p.continuing {
    margin-top: 0;
    text-indent: 48px;  /* = line height (15px * 1.618) * 2 */
}
ol, ul {
    /* typographical lists */
    margin: 24px 0;
    padding-left: 0;
    list-style-position: outside;
}
li ul, li ol {
    /* = line height * 2, usable until I decide on grid */
    margin: 0 0 0 48px;
}

/* opening paragraph or other element without margin before it */
.opening {
    margin-top: 0;
}
.small {
    font-size: 12px;
}
.small-caps {
    text-transform: lowercase;
    font-variant: small-caps;
    letter-spacing: 1px;
}
.deemphasized, .deemphasized a {
    color: #666;
}

h1, h2, h3 {
    margin: 24px 0;
}
h3 {
    font-size: 15px;
    font-weight: bold;
}
h2 {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    font-size: 15px;
}
h1 {
    font-weight: bold;
    font-size: 19px;
}

hr {
    border: 0;
    height: 1px;
    margin-top: -1px;

    color: #000;
    background-color: #000;
}

blockquote {
    margin: 24px 0;
    font-style: italic;
}
blockquote:before {
    display: block;
    height: 0;
    margin-left: -0.8em;
    content: '“';
}
blockquote:after {
    margin-left: 0.2em;
    content: '”';
}

img {
    /* IE shows border by default. Override that. */
    border: none;
}

pre {
    margin: 24px 0;
}
pre code {
    font-family: Inconsolata, Courier New, monospace;
}

table {
    border-spacing: 0;
    border-collapse: collapse;
}
table td, table th {
    padding: 0;
}

table.post-table {
    margin-top: -1px;   /* to compensate top border */
    border-top: 1px solid black;
    border-bottom: 1px solid black;
}
table.post-table th {
    height: 45px; /* =2*24 - 2 (compensate th border) - 1 (hack: comensate table bottom border) */
    border-bottom: 2px solid black;

    text-align: left;
    vertical-align: top;
}
table td.number, table th.number {
    text-align: right;
}

.clear {
    clear: both;
}

/* page proportions: 2/3 content (t) + 1/3 sidebar (e) = 1 page width (w)
   w = 3/2t = 3/2 * 480px = 720px
   e = 1/3w = 1/3 * 720px = 240px
   margin between sidebar text and content text = w/12 = 60px
*/
.wrap {
    margin: 0 auto;
    padding: 0;
    width: 720px;
}
.header {
    /* border should be on a line, vertically centered */
    border-bottom: 6px solid black;
}
.header-navigation {
    float: right;
    width: 180px;
    margin-top: 24px;
}
.header-text {
    /* padding adjusted to fit 6px border into header */
    padding: 21px 0 21px 0;
    font-size: 39px;
}
.header-link {
    text-decoration: none;
    color: #222; /* body color */
}
.current-header-link, .header-link:hover {
    border-bottom: 1px solid black;
}
.content {
    margin: 0;
    padding: 0;
    float: left;
    width: 480px;   /* line will contain approx. 66 chars */
}
.sidebar {
    float:left;
    width: 180px;
}
.sidebar {
    float:left;
    width: 180px;
    margin-left: 60px;
}
.footer {
    margin: 24px 0 24px 0;
}

a.clickable-header {
    text-decoration: none;
    color: #222; /* body color */
}

.prev-next-post-column {
    width: 72px;
    padding-right: 12px;
    text-align: right;
    vertical-align: top;
}

.figure {
    margin: 24px 0;

    background-color: #f7f7f7;
}
.figcaption {
    font-style: italic;
}