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Update index.html
Browse files- index.html +383 -19
index.html
CHANGED
@@ -1,19 +1,383 @@
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<html>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>LaTeX Notepad</title>
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+
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<!-- MathJax -->
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<script>
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window.MathJax = {
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tex: {
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+
inlineMath: [['$', '$'], ['\\(', '\\)']],
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displayMath: [['$$', '$$'], ['\\[', '\\]']],
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processEscapes: true,
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processEnvironments: true,
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},
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options: {
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skipHtmlTags: ['script', 'noscript', 'style', 'textarea', 'pre'],
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},
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};
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</script>
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<script
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id="MathJax-script"
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async
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src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"
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></script>
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+
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<!-- marked.js -->
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<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
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+
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<!-- Google-fonts -->
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<link
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href="https://fonts.googleapis.com/css2?family=Crimson+Text:wght@400;600&family=Libre+Baskerville:wght@400;700&family=PT+Mono&display=swap"
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rel="stylesheet"
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/>
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<style>
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/* ----------- GLOBAL “DESK” BACKGROUND ---------- */
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html,
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body {
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height: 100%;
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}
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body {
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margin: 0;
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background: #fbf9f5;
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background-image: radial-gradient(#e2dccd 1px, transparent 1px);
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background-size: 14px 14px;
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font-family: 'Crimson Text', 'Times New Roman', serif;
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color: #222;
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line-height: 1.8;
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-webkit-font-smoothing: antialiased;
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}
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+
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/* ------------- PAPER SHEET -------------------- */
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.container {
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max-width: 840px;
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margin: 40px auto;
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padding: 40px 60px 60px;
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background: #fffefa; /* warm paper colour */
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border-radius: 12px 12px 10px 10px;
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position: relative;
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border: 1px solid #ede7db;
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/* subtle inset shadow (feels like a notebook page) */
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box-shadow:
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0 18px 40px -22px rgba(0, 0, 0, 0.35),
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inset 0 2px 6px rgba(0, 0, 0, 0.06);
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/* tiny surface grain */
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background-image:
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url('data:image/svg+xml;utf8,\
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<svg xmlns="http://www.w3.org/2000/svg" width=\"160\" height=\"160\" viewBox=\"0 0 40 40\" fill=\"%23dcd2c3\" opacity=\"0.35\">\
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<circle cx=\"1\" cy=\"1\" r=\"0.5\"/><circle cx=\"13\" cy=\"7\" r=\"0.4\"/>\
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<circle cx=\"27\" cy=\"4\" r=\"0.6\"/><circle cx=\"37\" cy=\"14\" r=\"0.5\"/>\
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<circle cx=\"20\" cy=\"20\" r=\"0.7\"/><circle cx=\"6\" cy=\"28\" r=\"0.4\"/>\
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<circle cx=\"32\" cy=\"32\" r=\"0.5\"/><circle cx=\"11\" cy=\"38\" r=\"0.7\"/>\
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</svg>');
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background-size: 160px 160px, 100% 100%;
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}
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+
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/* perforation holes (left edge) */
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.container::before {
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content: '';
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position: absolute;
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top: 26px;
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bottom: 26px;
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left: 30px;
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width: 9px;
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background-image: radial-gradient(
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circle at center,
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#d0c6b7 0px,
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#d0c6b7 2px,
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transparent 3px
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);
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background-size: 9px 28px;
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background-repeat: repeat-y;
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pointer-events: none;
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}
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/* curled top-right corner */
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.container::after {
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content: '';
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position: absolute;
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top: 0;
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right: 0;
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+
width: 110px;
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height: 110px;
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background: linear-gradient(
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135deg,
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rgba(0, 0, 0, 0.08) 0%,
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rgba(0, 0, 0, 0) 42%
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),
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linear-gradient(
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135deg,
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#fffefa 0%,
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#fffefa 50%,
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+
rgba(255, 255, 255, 0) 51%
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);
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background-size: 100% 100%;
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+
border-bottom-left-radius: 12px;
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transform: translate(1px, -1px);
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pointer-events: none;
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}
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+
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+
.header {
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text-align: center;
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+
margin-bottom: 34px;
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+
padding-bottom: 18px;
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+
border-bottom: 1px solid #f2ede3;
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+
}
|
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+
h1 {
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+
font-family: 'Libre Baskerville', serif;
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132 |
+
margin: 0;
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133 |
+
font-size: 30px;
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134 |
+
letter-spacing: 0.5px;
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+
}
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+
.subtitle {
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+
font-family: 'PT Mono', monospace;
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138 |
+
font-size: 14px;
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139 |
+
letter-spacing: 1px;
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+
color: #666;
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margin-top: 6px;
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}
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+
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#content {
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+
min-height: 520px;
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font-size: 18px;
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position: relative;
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148 |
+
padding: 10px 0 10px 26px; /* leave room for “margin” lines */
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+
overflow-wrap: break-word;
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+
hyphens: auto;
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}
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+
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+
/* faint horizontal ruled lines (lined paper) */
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#content::before {
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content: '';
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position: absolute;
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inset: 0;
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background: repeating-linear-gradient(
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0deg,
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+
transparent,
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+
transparent 2.65em,
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rgba(201, 190, 170, 0.18) 2.65em,
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rgba(201, 190, 170, 0.18) 2.7em
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+
);
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pointer-events: none;
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z-index: 1;
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}
|
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+
/* bring actual text above the ruled lines */
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169 |
+
#content * {
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position: relative;
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171 |
+
z-index: 2;
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172 |
+
}
|
173 |
+
|
174 |
+
/* placeholder */
|
175 |
+
.placeholder {
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176 |
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color: #888;
|
177 |
+
font-style: italic;
|
178 |
+
text-align: center;
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179 |
+
padding: 110px 20px;
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180 |
+
user-select: none;
|
181 |
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}
|
182 |
+
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183 |
+
/* markdown tweaks */
|
184 |
+
blockquote {
|
185 |
+
border-left: 4px solid #ccbfae;
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186 |
+
margin: 20px 0;
|
187 |
+
padding: 15px 26px;
|
188 |
+
background: #fbf8f1;
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189 |
+
font-style: italic;
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190 |
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}
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+
code {
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192 |
+
font-family: 'PT Mono', monospace;
|
193 |
+
background: #f2efe8;
|
194 |
+
padding: 2px 6px;
|
195 |
+
border-radius: 3px;
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196 |
+
font-size: 0.9em;
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197 |
+
}
|
198 |
+
pre {
|
199 |
+
background: #f4f2ec;
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200 |
+
padding: 16px 20px;
|
201 |
+
border: 1px solid #e6e0d2;
|
202 |
+
border-radius: 6px;
|
203 |
+
overflow-x: auto;
|
204 |
+
font-family: 'PT Mono', monospace;
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205 |
+
}
|
206 |
+
|
207 |
+
/* ordered-list “a) / b)” style */
|
208 |
+
ol {
|
209 |
+
counter-reset: item;
|
210 |
+
padding-left: 0;
|
211 |
+
list-style: none;
|
212 |
+
}
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213 |
+
ol > li {
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214 |
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counter-increment: item;
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215 |
+
margin: 0.5em 0 0.5em 2em;
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216 |
+
}
|
217 |
+
ol > li::before {
|
218 |
+
content: counter(item) ')';
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219 |
+
display: inline-block;
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220 |
+
width: 1.5em;
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221 |
+
margin-left: -2em;
|
222 |
+
text-align: right;
|
223 |
+
font-weight: 600;
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224 |
+
}
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225 |
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ol ol > li::before {
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226 |
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content: counter(item, lower-alpha) ')';
|
227 |
+
}
|
228 |
+
|
229 |
+
/* processing badge */
|
230 |
+
.processing {
|
231 |
+
position: fixed;
|
232 |
+
top: 20px;
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233 |
+
right: 20px;
|
234 |
+
background: #333;
|
235 |
+
color: #fff;
|
236 |
+
padding: 10px 20px;
|
237 |
+
border-radius: 6px;
|
238 |
+
font-family: 'PT Mono', monospace;
|
239 |
+
font-size: 14px;
|
240 |
+
opacity: 0;
|
241 |
+
transition: opacity 0.25s;
|
242 |
+
z-index: 2000;
|
243 |
+
}
|
244 |
+
.processing.show {
|
245 |
+
opacity: 0.9;
|
246 |
+
}
|
247 |
+
|
248 |
+
/* small screens */
|
249 |
+
@media (max-width: 768px) {
|
250 |
+
.container {
|
251 |
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margin: 20px 16px;
|
252 |
+
padding: 28px;
|
253 |
+
}
|
254 |
+
#content {
|
255 |
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font-size: 16px;
|
256 |
+
}
|
257 |
+
h1 {
|
258 |
+
font-size: 24px;
|
259 |
+
}
|
260 |
+
}
|
261 |
+
|
262 |
+
/* print */
|
263 |
+
@media print {
|
264 |
+
body {
|
265 |
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background: #fff;
|
266 |
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}
|
267 |
+
.container {
|
268 |
+
box-shadow: none !important;
|
269 |
+
border: none;
|
270 |
+
}
|
271 |
+
.header,
|
272 |
+
.processing,
|
273 |
+
.instructions {
|
274 |
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display: none;
|
275 |
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}
|
276 |
+
}
|
277 |
+
</style>
|
278 |
+
</head>
|
279 |
+
<body>
|
280 |
+
<div class="container">
|
281 |
+
<div class="header">
|
282 |
+
<h1>LaTeX Notepad</h1>
|
283 |
+
<div class="subtitle">press ctrl+v anywhere to render</div>
|
284 |
+
</div>
|
285 |
+
|
286 |
+
<div id="content">
|
287 |
+
<div class="placeholder">
|
288 |
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Press <kbd>Ctrl</kbd>+<kbd>V</kbd> (or <kbd>⌘</kbd>+<kbd>V</kbd>) to paste
|
289 |
+
and render Markdown/LaTeX
|
290 |
+
</div>
|
291 |
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</div>
|
292 |
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|
293 |
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<div class="instructions" style="text-align:center;font-family:'PT Mono',monospace;font-size:14px;color:#666;font-style:italic;margin-top:22px;">
|
294 |
+
Tip: you can paste raw Markdown or TeX – it will be rendered instantly ✨
|
295 |
+
</div>
|
296 |
+
</div>
|
297 |
+
|
298 |
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<div class="processing">Processing…</div>
|
299 |
+
|
300 |
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<script>
|
301 |
+
const content = document.getElementById('content');
|
302 |
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const processingIndicator = document.querySelector('.processing');
|
303 |
+
|
304 |
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/* ------------- helper: processing badge ---------------- */
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305 |
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function showProcessing() {
|
306 |
+
processingIndicator.classList.add('show');
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307 |
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}
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308 |
+
function hideProcessing() {
|
309 |
+
setTimeout(() => processingIndicator.classList.remove('show'), 300);
|
310 |
+
}
|
311 |
+
|
312 |
+
/* ------------- main “render” pipeline ------------------ */
|
313 |
+
function processContent(text) {
|
314 |
+
showProcessing();
|
315 |
+
|
316 |
+
/* protect LaTeX so marked.js doesn’t mangle it */
|
317 |
+
const store = [];
|
318 |
+
const PLACE = (i) => `%%LATEX_${i}%%`;
|
319 |
+
let idx = 0;
|
320 |
+
|
321 |
+
function keep(m) {
|
322 |
+
store.push(m);
|
323 |
+
return PLACE(idx++);
|
324 |
+
}
|
325 |
+
|
326 |
+
/* Display: \[...\], $$...$$ then Inline: \(...\), $...$ */
|
327 |
+
text = text
|
328 |
+
.replace(/\\\[[\s\S]*?\\\]/g, keep)
|
329 |
+
.replace(/\$\$[\s\S]*?\$\$/g, keep)
|
330 |
+
.replace(/\\\([\s\S]*?\\\)/g, keep)
|
331 |
+
/* single $…$ but NOT $$…$$ */
|
332 |
+
.replace(/\$([^\$\n]+?)\$/g, keep);
|
333 |
+
|
334 |
+
/* markdown → HTML */
|
335 |
+
let html = marked.parse(text);
|
336 |
+
|
337 |
+
/* restore LaTeX */
|
338 |
+
store.forEach((latex, i) => {
|
339 |
+
html = html.replaceAll(PLACE(i), latex);
|
340 |
+
});
|
341 |
+
|
342 |
+
content.innerHTML = html;
|
343 |
+
|
344 |
+
/* trigger MathJax */
|
345 |
+
if (window.MathJax?.typesetPromise) {
|
346 |
+
MathJax.typesetPromise([content]).then(hideProcessing).catch(e => {
|
347 |
+
console.error('MathJax error:', e);
|
348 |
+
hideProcessing();
|
349 |
+
});
|
350 |
+
} else {
|
351 |
+
hideProcessing();
|
352 |
+
}
|
353 |
+
}
|
354 |
+
|
355 |
+
/* ------------- paste listeners ------------------------- */
|
356 |
+
document.addEventListener('paste', (e) => {
|
357 |
+
e.preventDefault();
|
358 |
+
const text = e.clipboardData.getData('text/plain');
|
359 |
+
if (text.trim()) processContent(text);
|
360 |
+
});
|
361 |
+
|
362 |
+
/* subtle “rubber-band” hint if user clicks before any content */
|
363 |
+
content.addEventListener('click', () => {
|
364 |
+
const ph = content.querySelector('.placeholder');
|
365 |
+
if (ph) {
|
366 |
+
ph.style.transform = 'scale(0.97)';
|
367 |
+
ph.style.transition = 'transform 0.12s';
|
368 |
+
setTimeout(() => (ph.style.transform = 'scale(1)'), 120);
|
369 |
+
}
|
370 |
+
});
|
371 |
+
|
372 |
+
/* smooth initial fade-in */
|
373 |
+
document.addEventListener('DOMContentLoaded', () => {
|
374 |
+
const sheet = document.querySelector('.container');
|
375 |
+
sheet.style.opacity = '0';
|
376 |
+
setTimeout(() => {
|
377 |
+
sheet.style.transition = 'opacity 0.6s ease';
|
378 |
+
sheet.style.opacity = '1';
|
379 |
+
}, 80);
|
380 |
+
});
|
381 |
+
</script>
|
382 |
+
</body>
|
383 |
+
</html>
|