body {
  font: 14px/1.5 'Helvetica', 'Arial', sans-serif;
  max-width: 390px;
  margin: 50px;
  padding: 0 1rem;
  position: relative;
}

@media (min-width: 768px) {
  body {
    box-sizing: border-box;
    margin: 0 0 0 150px;
    padding: 50px 0;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    justify-content: safe center;
  }

  body.top {
    justify-content: flex-start;
    padding-top: 100px;
  }
}

h1 {
  font-size: 18px;
}

h2 {
  font-size: 14px; margin: 0;
}

a {
  color: #22558e;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.about {
  margin-bottom: 2rem;
}

.about p:last-child {
  margin-bottom: 0;
}

.links {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left;
}

.links li {
  padding: 2px 0;
}

.photo {
  max-width: 390px;
}

img {
  max-width: 100%;
  height: auto;
}

.photo p {
  font-style: italic;
  text-align:right;
  margin-top: 0.25rem;
  font-size: 12px;
}

.writing-table table {
  width: 100%;
  border-collapse: collapse;
}

.writing-table td {
  font-weight: normal;
  text-align: left;
  vertical-align: baseline;
  padding: 2px 0;
  white-space: nowrap;
  width: 1%;
}

.writing-table td:first-child {
  font-style: italic;
  width: 100%;
  white-space: normal;
}

.writing-table td + td {
  padding-left: 1.5rem;
}

.essay {
  max-width: 550px;
}

.essay h1 {
  margin: 0 0 0.25rem;
}

.essay .date {
  font-size: 12px;
  margin: 0 0 2rem;
}

.essay h2 {
  font-size: 14px;
  margin: 2rem 0 0.5rem;
}

.essay h3 {
  font-size: 14px;
  font-weight: normal;
  font-style: italic;
  margin: 1.5rem 0 0.5rem;
}

.essay blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 2px solid #ddd;
}

/* tufte-style sidenotes: numbered marker in the text, note in the right margin.
   the note is revealed on hover; clicking the number pins it open. narrow
   screens have no margin to spare, so the note opens inline instead. */
.essay .sidenote-number {
  font-size: 10px;
  line-height: 0;
  vertical-align: super;
  color: #22558e;
  cursor: pointer;
}

.essay .sidenote-number:hover {
  text-decoration: underline;
}

.essay .sidenote-toggle {
  display: none;
}

.essay .sidenote {
  display: none;
  font-size: 12px;
  line-height: 1.4;
  text-align: left;
}

.essay .sidenote .sidenote-number {
  cursor: default;
  color: inherit;
}

/* narrow: no room in the margin, so open the note in the flow on tap */
@media (max-width: 999px) {
  .essay .sidenote-toggle:checked + .sidenote {
    display: block;
    margin: 0.75rem 0;
    padding-left: 1rem;
    border-left: 2px solid #ddd;
  }
}

/* wide: park the note in the right margin, level with its number.
   `top` stays auto so it keeps its static position on the line. */
@media (min-width: 1000px) {
  .essay article {
    position: relative;
  }

  .essay .sidenote {
    display: block;
    position: absolute;
    left: 100%;
    width: 240px;
    padding-left: 2rem;  /* bridges the gutter so hover survives the trip */
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.1s ease-in;
  }

  .essay .sidenote-number:hover + .sidenote-toggle + .sidenote,
  .essay .sidenote-toggle:checked + .sidenote,
  .essay .sidenote:hover {
    visibility: visible;
    opacity: 1;
  }
}