@charset "UTF-8";

/* Adapted from Tufte style by Dave Liepmann */

/* Tufte CSS styles */
html {
    font-size: 15px;
}

body {
    width: 87.5%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2%;
    font-family: et-book, Palatino, "Palatino Linotype", "Palatino LT STD", "Book Antiqua", Georgia, serif;
    background-color: #fffffc;
    color: #111;
    max-width: 1500px;
    counter-reset: sidenote-counter;
}

h1 {
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.9rem;
    line-height: 1.2;
}

h2 {
    font-style: italic;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.9rem;
    line-height: 1.2;
}

h3 {
    font-weight: bold;
    font-size: 1.4rem;
    margin-top: 0.8rem;
    margin-bottom: 0.8rem;
    line-height: 1;
}

hr {
    display: block;
    height: 1px;
    width: 55%;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

p.subtitle {
    font-style: italic;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 1.6rem;
    display: block;
    line-height: 1;
}



.numeral {
    font-family: et-book-roman-old-style;
}

.danger {
    color: red;
}

article {
    padding: 5rem 0rem;
}

section {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

p,
dl,
ol,
ul {
    font-size: 1.2rem;
    line-height: 1.7rem;
}

p {
    margin-top: 1rem;
    margin-bottom: 1rem;
    padding-right: 0;
    vertical-align: baseline;
}

/* Chapter Epigraphs */
div.epigraph {
    margin: 5em 0;
}

div.epigraph > blockquote {
    margin-top: 3em;
    margin-bottom: 3em;
}

div.epigraph > blockquote,
div.epigraph > blockquote > p {
    font-style: italic;
}

div.epigraph > blockquote > footer {
    font-style: normal;
}

div.epigraph > blockquote > footer > cite {
    font-style: italic;
}

/* tables - revisions by JF */

table {
    font-size: 1.4rem;
}
td {
    text-align: center;
    padding-left: 0.5em;
    padding-right: 0.5em;
}


/* end chapter epigraphs styles */


blockquote {
    font-size: 1.2rem;
}

blockquote p {
    width: 90%;
    margin-right: 40px;
}

blockquote footer {
    width: 90%;
    font-size: 0.9rem;
    text-align: right;
}

section > p,
section > footer,
section > table {
    width: 100%;
}

/* 50 + 5 == 55, to be the same width as paragraph */
section > dl,
section > ol,
section > ul {
    width: 90%;
    -webkit-padding-start: 5%;
}

dt:not(:first-child),
li:not(:first-child) {
    margin-top: 0.25rem;
}

figure {
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    max-width: 90%;
    -webkit-margin-start: 0;
    -webkit-margin-end: 0;
    margin: 0 auto 3em auto;
}

figcaption {
    float: none;
    clear: both;
    max-width: 100%;
    text-align: center;
    margin-top: 0.5rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    vertical-align: baseline;
    position: relative;
}

figure.fullwidth figcaption {
    margin-right: 24%;
}

/* Links: replicate underline that clears descenders */
a:link,
a:visited {
    color: inherit;
}

.no-tufte-underline:link {
    background: unset;
    text-shadow: unset;
}



a:link, .tufte-underline, .hover-tufte-underline:hover {
    text-decoration: underline;
    text-decoration-skip-ink: auto;
    text-underline-offset: 0.15em;
    text-decoration-thickness: 1px;
    text-decoration-color: rgba(0, 0, 0, 0.3);
}

a:hover {
    text-decoration-color: currentColor;
}

a:link::selection,
a:link::-moz-selection {
    background: #b4d5fe;
}



/* Sidenotes, margin notes, figures, captions */
img {
    max-width: 100%;
}

.sidenote,
.marginnote {
    float: right;
    clear: right;
    margin-left: -60%;
    margin-right: -60%;
    width: 50%;
    margin-top: 0.3rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.3;
    vertical-align: baseline;
    position: relative;
}

.sn-num {
    counter-increment: sidenote-counter;
}

.sn-num:after,
.sidenote:before {
    font-family: et-book-roman-old-style;
    position: relative;
    vertical-align: baseline;
}

.sn-num:after {
    content: counter(sidenote-counter);
    font-size: 0.8rem;
    top: -0.5rem;
    left: 0.1rem;
}

.sidenote:before {
    content: counter(sidenote-counter) " ";
    font-size: 0.8rem;
    top: -0.5rem;
}

blockquote .sidenote,
blockquote .marginnote {
    margin-right: -82%;
    min-width: 59%;
    text-align: left;
}

div.fullwidth,
table.fullwidth {
    width: 100%;
}

div.table-wrapper {
    overflow-x: auto;
    font-family: "Trebuchet MS", "Gill Sans", "Gill Sans MT", sans-serif;
}

.sans {
    font-family: "Gill Sans", "Gill Sans MT", Calibri, sans-serif;
    letter-spacing: .03em;
}

code, pre > code {
    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.42;
    -webkit-text-size-adjust: 100%; /* Prevent adjustments of font size after orientation changes in iOS. See https://github.com/edwardtufte/tufte-css/issues/81#issuecomment-261953409 */
}

.sans > code {
    font-size: 1.2rem;
}

h1 > code,
h2 > code,
h3 > code {
    font-size: 0.80em;
}

.marginnote > code,
.sidenote > code {
    font-size: 1rem;
}

pre > code {
    font-size: 0.8rem;
    width: 100%;
    margin-left: 2.5%;
    overflow-x: auto;
    display: block;
}

pre.fullwidth > code {
    width: 90%;
}

.fullwidth {
    max-width: 90%;
    clear:both;
}

span.newthought {
    font-variant: small-caps;
    font-size: 1.0em;
}

input.margin-toggle {
    display: none;
}

label.sn-num {
    display: inline;
}

label.margin-toggle:not(.sn-num) {
    display: none;
}

.iframe-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    padding-top: 25px;
    height: 0;
}

.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 760px) {
    body {
        width: 84%;
        padding-left: 8%;
        padding-right: 8%;
    }

    hr,
    section > p,
    section > footer,
    section > table {
        width: 100%;
    }

    pre > code {
        width: 97%;
    }

    section > dl,
    section > ol,
    section > ul {
        width: 90%;
    }

    figure {
        max-width: 90%;
    }

    figcaption,
    figure.fullwidth figcaption {
        margin-right: 0%;
        max-width: none;
    }

    blockquote {
        margin-top: 0em;
        margin-bottom: 0em;
        margin-left: 1.5em;
        margin-right: 0em;
        color: inherit; /* Uses the same color as the parent element */
        padding-top: 0; /* Removes top padding */
        padding-bottom: 0; /* Removes bottom padding */
    }

    blockquote p,
    blockquote footer {
        width: 100%;        
    }

    label.margin-toggle:not(.sn-num) {
        display: inline;
    }

    .sidenote,
    .marginnote {
        display: none;
    }

    .margin-toggle:checked + .sidenote,
    .margin-toggle:checked + .marginnote {
        display: block;
        float: left;
        left: 1rem;
        clear: both;
        width: 95%;
        margin: 1rem 2.5%;
        vertical-align: baseline;
        position: relative;
    }

    label {
        cursor: pointer;
    }

    div.table-wrapper,
    table {
        width: 85%;
    }

    img {
        width: 100%;
    }
}

/* center text -- used in syllabus */

div.centered 
{
    text-align: center;
}

/* colored boxes */


/* --- Callout boxes: left-border accent with muted backgrounds --- */

div.elaboration
{
    background-color: #f5f3ff;
    border-left: solid 4px #7c3aed;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.keypoints
{
    background-color: #fffbeb;
    border-left: solid 4px #d97706;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.important
{
    background-color: #fef2f2;
    border-left: solid 4px #dc2626;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.myopinion
{
    background-color: #fdf2f8;
    border-left: solid 4px #be185d;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.quickexample
{
    background-color: #fff7ed;
    border-left: solid 4px #ea580c;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.R
{
    background-color: #eff6ff;
    border-left: solid 4px #2563eb;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.skippable
{
    background-color: #f9fafb;
    border-left: solid 4px #6b7280;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.stata
{
    background-color: #f0fdf4;
    border-left: solid 4px #16a34a;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.statacode
{
    background-color: #f8faf8;
    border-left: solid 3px #16a34a;
    padding: 8px 16px 12px 16px;
    font-size: 0.95em;
}

div.Rcode
{
    background-color: #f0f4ff;
    border-left: solid 3px #2563eb;
    padding: 8px 16px 12px 16px;
    font-size: 0.95em;
}

div.sidepoint
{
    background-color: #ecfeff;
    border-left: solid 4px #0891b2;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

div.aside
{
    background-color: #f0f9ff;
    border-left: solid 4px #0284c7;
    border-radius: 0 4px 4px 0;
    line-height: 1.6;
    overflow: hidden;
    padding: 12px 24px;
    margin: 1.2rem 0;
}

/* results highlighting */

.result {
    color: DarkRed; font-weight: bold
}

.result2 {
    color: Navy; font-weight: bold
}

.result3 {
    color: ForestGreen; font-weight: bold
}

.statabutton a {
    background: none;
    background-color: #16a34a;
    color: #fff;
    padding: 3px 8px;
    text-shadow: none;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85em;
    letter-spacing: 0.01em;
}

.rbutton a {
    background: none;
    background-color: #2563eb;
    color: #fff;
    padding: 3px 8px;
    text-shadow: none;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85em;
    letter-spacing: 0.01em;
}

.psetbutton a {
    background: none;
    background-color: #d97706;
    color: #fff;
    padding: 3px 8px;
    text-shadow: none;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85em;
    letter-spacing: 0.01em;
}

.pracbutton a {
    background: none;
    background-color: #7c3aed;
    color: #fff;
    padding: 3px 8px;
    text-shadow: none;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85em;
    letter-spacing: 0.01em;
}

.panel-tabset {
    max-width: 100%;
    overflow-x: visible;
}

.panel-tabset .tab-content {
    max-width: 100%;
    overflow-x: visible;
    padding: 0.25rem 0;  /* was Bootstrap default ~1rem; tighten to gain horizontal room */
}

/* Don't indent code inside tabsets — the tab itself provides grouping */
.panel-tabset pre > code {
    margin-left: 0;
}

/* "Skipped in 2025" and similar notes in list items — muted */
li > em.skipped:first-child {
    color: #888;
    font-size: 0.95em;
}

/* TOC sidebar: make h3 entries visually subordinate to h2 entries */
#TOC li li a,
.sidebar nav[role="doc-toc"] li li a {
    font-size: 0.85em;
    color: #555;
}

/* Extra breathing room before problem set / practice button lines */
p:has(> .psetbutton),
p:has(> .pracbutton) {
    margin-top: 0.6rem;
}

/* Index page intro block */
.index-intro {
    border-bottom: 1px solid #ddd;
    padding-bottom: 1.2rem;
    margin-bottom: 0.5rem;
}