body {
  margin: 0 auto;
  padding: 1em;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 300;
  color: #3c3c43;
}
@media (prefers-color-scheme: dark) {
  body,
  textarea {
    color: #cde6f5;
    background-color: #3c3c43;
  }
  a {
    color: #71a1be;
  }
}
@media (max-width: 640px) {
  h1 img {
    display: none;
  }
}
h1 {
  display: flex;
  justify-content: space-around;
}
h1 img,
h2 img {
  width: 1em;
  height: 1em;
}
h2 img {
  translate: 0 0.15em;
}
h1 span {
  height: 0.85em;
  align-self: center;
}
h1,
h2 {
  font-weight: 400;
}
p {
  text-align: justify;
}
textarea#textInput {
  width: 100%;
  box-sizing: border-box;
  overflow-y: hidden;
  padding: 0.5em;
  border: 1px solid #777;
  border-radius: 7px;
}
ul#models {
  word-wrap: break-word;
  text-wrap-style: pretty;
  padding: 0;
}
ul#models li {
  list-style: none;
  margin: 2em 0;
  border: 1px solid #bbb;
  border-radius: 7px;
  padding: 0.5em 1em 1em 1em;
  box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.2);
}
ul#models li ruby {
  margin: 0;
}
ul#models li rt {
  font-size: 0.7em;
  margin-bottom: 0.5em;
}
ul#models li rb {
  font-size: 2em;
  letter-spacing: 0.05em;
  font-family: monospace;
}
ruby {
  ruby-position: under;
}
details:not([open]) {
  margin-bottom: 1em;
}
.model-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5em;
}
.model-header h2 {
  margin: 0;
  flex: 1;
}
.delete-btn {
  background: #ff4444;
  color: white;
  border: none;
  padding: 0.3em 0.6em;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8em;
  transition: background 0.2s;
}
.delete-btn:hover {
  background: #cc0000;
}
#addModel {
  margin: 2em 0;
  display: flex;
  gap: 0.5em;
  align-items: center;
}
#addModel input {
  flex: 1;
  padding: 0.5em;
  border: 1px solid #777;
  border-radius: 4px;
  font-size: 1em;
}
#addModel button {
  background: #0066cc;
  color: white;
  border: none;
  padding: 0.5em 1em;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  white-space: nowrap;
  transition: background 0.2s;
}
#addModel button:hover {
  background: #004499;
}
#shareBtn {
  transition: all 0.2s;
}
#shareBtn:hover {
  background: #004499 !important;
}
@media (prefers-color-scheme: dark) {
  #addModel input {
    background-color: #2a2a2a;
    color: #cde6f5;
    border-color: #555;
  }
  .delete-btn {
    background: #cc3333;
  }
  .delete-btn:hover {
    background: #aa1111;
  }
  #addModel button {
    background: #0055aa;
  }
  #addModel button:hover {
    background: #003377;
  }
  #shareBtn {
    background: #0055aa !important;
  }
  #shareBtn:hover {
    background: #003377 !important;
  }
}