/* Root project-page CSS (based on flowedit_website/styles.css) */

/* Global image defaults: never distort aspect ratio */
img {
  padding: 0;
  float: none;
  max-width: 100%;
  height: auto;
}

#primarycontent {
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  width: 100%;
  max-width: 800px;
  padding: 20px;
}

/* simple vertical spacing between major sections */
.section-spacer {
  height: 15px;
}
.section-spacer-tight {
  height: 10px;
}
.section-spacer-extra-large {
  height: 35px;
}
.section-spacer-large {
  height: 35px;
}

body {
  text-align: center;
  font-family: "Times New Roman", Times, serif;
  background-color: #ffffff;
  color: #000000;
  margin: 0;
  padding: 20px 0;
}

h1 {
  font-size: 1.8em;
  font-weight: bold;
  margin: 20px 0;
  color: #000000;
}

h2 {
  font-size: 1.2em;
  font-weight: bold;
  margin: 15px 0;
  color: #000000;
}

/* keep top header/subheader blocks from getting too heavy */
.subheader {
  font-weight: normal;
}

h2.tight-title {
  margin-top: 50px;
  margin-bottom: 5px;
}

p.tight-paragraph {
  margin-top: 0;
}

.compact-heading {
  margin-bottom: 3px;
}

.compact-paragraph {
  margin-top: 2px;
}

p {
  font-size: 14px;
  line-height: 1.6;
  margin: 10px 0;
  color: #000000;
}

a {
  color: #0000EE;
  text-decoration: underline;
}

a:visited {
  color: #551A8B;
}

a:hover {
  color: #0000EE;
  text-decoration: underline;
}

/* 作者名和顶部链接使用酒红色 */
h2 a {
  color: #8B0000;
  text-decoration: none;
}

h2 a:visited {
  color: #8B0000;
}

h2 a:hover {
  color: #A00000;
  text-decoration: underline;
}

h2 strong a {
  color: #8B0000;
  text-decoration: none;
}

h2 strong a:visited {
  color: #8B0000;
}

h2 strong a:hover {
  color: #A00000;
  text-decoration: underline;
}

/* GitHub 链接使用灰色 */
h2 strong a.github-link {
  color: #666666;
}

h2 strong a.github-link:visited {
  color: #666666;
}

h2 strong a.github-link:hover {
  color: #888888;
  text-decoration: underline;
}

ul {
  margin: 10px 0;
  padding-left: 30px;
}

li {
  font-size: 15px;
  line-height: 1.6;
  margin: 5px 0;
  color: #000000;
}

/* Paper block layout (thumbnail + text) */
.paper-block {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-top: 28px;
}

.paper-block > a {
  flex: 0 0 auto;
  display: block;
  padding: 10px 30px 10px 10px;
  text-decoration: none;
}

.paper-thumbnail {
  border-radius: 4px;
  background: #fff;
  border: 1px solid #e6e6e6;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.paper-block img.paper-thumbnail {
  display: block;
  width: 170px;
  height: auto;
}

.paper-block .paper-meta h2 {
  margin-top: 0;
}

.paper-block .paper-meta {
  padding-top: 10px;
}

.muted-label {
  color: #666666;
  font-size: 16px;
}

a.muted-link {
  color: #666666;
  text-decoration: underline;
}

a.muted-link:visited {
  color: #666666;
}

a.muted-link:hover {
  color: #888888;
}

a.bibtex-link {
  font-size: 18px;
}

table {
  margin: 20px auto;
  border-collapse: collapse;
}

td {
  padding: 10px;
  vertical-align: middle;
}

center {
  text-align: center;
}

/* Placeholder UI (so page looks fine before you add images) */
.placeholder-box {
  width: 800px;
  max-width: 100%;
  height: 280px;
  border: 1px dashed #bdbdbd;
  border-radius: 10px;
  background: #fafafa;
  color: #666;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin: 0 auto;
}

.placeholder-thumb {
  width: 170px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 13px;
}

/* BibTeX Modal Styles */
.bibtex-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.bibtex-modal-content {
  background-color: #fefefe;
  margin: 5% auto;
  padding: 0;
  border: 1px solid #888;
  border-radius: 8px;
  width: 90%;
  max-width: 700px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.bibtex-modal-header {
  padding: 20px;
  border-bottom: 1px solid #e6e6e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f9f9f9;
  border-radius: 8px 8px 0 0;
}

.bibtex-modal-header h2 {
  margin: 0;
  font-size: 1.5em;
  color: #000;
}

.bibtex-close {
  color: #aaa;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  line-height: 20px;
}

.bibtex-close:hover,
.bibtex-close:focus {
  color: #000;
}

.bibtex-modal-body {
  padding: 20px;
}

.bibtex-modal-body pre {
  background-color: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 15px;
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0 0 15px 0;
  color: #333;
  text-align: left;
}

.bibtex-copy-btn {
  background-color: #8B0000;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  font-family: "Times New Roman", Times, serif;
  transition: background-color 0.3s;
}

.bibtex-copy-btn:hover {
  background-color: #A00000;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  #primarycontent {
    max-width: 95%;
    padding: 10px;
  }

  .paper-block {
    flex-direction: column;
  }

  h1 {
    font-size: 1.5em;
  }

  h2 {
    font-size: 1.1em;
  }

  .bibtex-modal-content {
    width: 95%;
    margin: 10% auto;
  }

  .bibtex-modal-body pre {
    font-size: 12px;
  }
}