* {
  box-sizing: border-box;
  margin: 0; padding: 0;
  font-family: "Merriweather", serif;
  transition-timing-function: ease-in-out;
}

:root {
  --bg: #fff;
  --selbg: #F2F2F2;
  --border: rgba(0,0,0,.2);
  --text: rgba(0,0,0,.87);
  --off: rgba(0,0,0,.35);
  --red: #EA6462;
  --green: #58C478;
  --blue: #1D7BA3;
}

html {
  background-color: #fff;
}

html.invert {
  background-color: #000;
  --bg: #000;
  --selbg: #0D0D0D;
  --border: rgba(255,255,255,.2);
  --text: rgba(255,255,255,.87);
  --off: rgba(255,255,255,.35);
  --red: #EA6462;
  --green: #58C478;
  --blue: #1D7BA3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --selbg: #0D0D0D;
    --border: rgba(255,255,255,.2);
    --text: rgba(255,255,255,.87);
    --off: rgba(255,255,255,.35);
    --red: #EA6462;
    --green: #58C478;
    --blue: #1D7BA3;
  }

  html {
    background-color: #000;
  }

  html.invert {
    background-color: #fff;
    --bg: #fff;
    --selbg: #F2F2F2;
    --border: rgba(0,0,0,.2);
    --text: rgba(0,0,0,.87);
    --off: rgba(0,0,0,.35);
    --red: #EA6462;
    --green: #58C478;
    --blue: #1D7BA3;
  }
}

body {
  max-width: 620px;
  margin: 0 auto;
  padding: 48px;
  color: var(--text);
}

div.material-icons {
  display: block;
}

#toolbar {
  position: fixed;
  top: 0; right: 0;
}

#open-file {
  display: none;
}

#toolbar div, #toolbar a, #toolbar label {
  display: block;
  height: 48px;
  width: 48px;
  text-align: center;
  line-height: 48px;
  text-decoration: none;
  color: var(--off);
  cursor: pointer;
}

#toolbar div:hover, #toolbar a:hover, #toolbar label:hover {
  color: var(--text);
}

h1 {
  margin-bottom: 12px;
  font-size: 42px;
  /*font-size: 26px;*/
  font-weight: normal;
}

section {
  position: relative;
  padding: 20px 0 16px;
  border-top: 1px solid var(--border);
}

.edit-btn, .done-btn {
  position: absolute;
  top: 12px; right: 0;
  text-decoration: none;
  color: var(--off);
  cursor: pointer;
}

.edit-btn:hover {
  color: var(--text);
}

.done-btn:hover {
  color: var(--bg);
  background-color: var(--green);
}

h2 {
  font-size: 10px;
  font-weight: normal;
  color: var(--off);
}

h2 a {
  color: var(--off);
  text-decoration: none;
}

h2 a.active, h2 a:hover {
  color: var(--text);
}

section:not(.editing) p {
  margin: 22px 0;
  font-size: 16px;
  line-height: 1.4em;
}

strong {
  font-weight: 900;
}

section:not(.editing) .choice {
  display: block;
  margin: 1em 0;
  color: var(--blue);
  text-decoration: none;
}

section:not(.editing) .choice:hover {
  text-decoration: underline;
}

.choice-made {
  position: relative;
  display: block;
  margin: 1em 0;
  color: var(--text);
  text-decoration: none;
}

.choice-made:hover {
  color: var(--blue);
  text-decoration: underline;
}

.choice-made::before {
  content: "undo";
  font-family: 'Material Icons';
  font-size: 24px;
  line-height: 1;
  display: block;
  white-space: nowrap;
  color: var(--border);
  position: absolute;
  left: -32px;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

.choice-made:hover::before {
  color: var(--blue);
}

section textarea {
  display: block;
  width: 100%;
  margin: 22px 0;
  padding: 0px 0;
  resize: none;
  border: 0;
  outline: none;
  font-size: 16px;
  line-height: 1.4em;
  color: var(--text);
  background-color: transparent;
}

section textarea:focus {
  box-shadow: -9px 0 0 var(--bg), -12px 0 0 var(--border);
}

.editing .choice textarea {
  padding-right: 24px;
  color: var(--blue);
}

.choice-delete {
  position: absolute;
  right: 0;
  margin-top: 3px;
  color: var(--off);
  cursor: pointer;
}

.choice-delete:hover {
  color: var(--bg);
  background-color: var(--red);
}

.choice-delete:hover ~ textarea {
  background: var(--selbg);
  box-shadow: -2px 0 0 5px var(--selbg), 2px 0 0 5px var(--selbg);
}

.add-choice {
  padding: 4px 0;
  text-align: center;
  cursor: pointer;
}

.add-choice:hover {
  background-color: var(--selbg);
}

#the-end {
  color: var(--red);
  font-size: 24px;
}

#the-end::before {
  content: "◈"; /* ◆ ◇ ◈ */
}

#unreachable {
  font-size: 12px;
  font-style: oblique;
  color: var(--red);
}