/* layout_literature.css
   Styles specific to the Literature / Publications page
   Author: Yu Liu
*/

/* =========================
   PAGE BASE
   ========================= */

body {
  font-family: "Roboto", sans-serif;
  background: #fff;
  margin: 0;
}

html,
body {
  overflow-x: hidden;
}

/* =========================
   PAGE WRAPPER
   ========================= */

.literature-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  background: #fff;
}

/* =========================
   HERO
   ========================= */

.literature-hero {
  max-width: 900px;
  margin-bottom: 4.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #ddd;
}

.literature-eyebrow {
  margin: 0 0 1.25rem;
  color: #777;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.literature-hero h1 {
  max-width: 820px;
  margin: 0;
  color: #222;
  font-size: clamp(2.4rem, 5vw, 3rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 700;
}

.literature-intro {
  max-width: 720px;
  margin: 2rem 0 0;
  color: #555;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* =========================
   YEAR GROUP
   ========================= */

.literature-year {
  margin-top: 2.5rem;
}

.literature-year:first-child {
  margin-top: 0;
}

.literature-year-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #222;
}

/* =========================
   PUBLICATION ITEM
   ========================= */

.literature-page .literature-item {
  display: grid;
  grid-template-columns: minmax(260px, 38%) minmax(0, 62%);
  gap: 2.5rem;
  align-items: start;

  padding: 3rem 0;
  border-bottom: 1px solid #e5e5e5;
}

/* =========================
   LEFT IMAGE COLUMN
   ========================= */

.literature-page .literature-image-column {
  min-width: 0;
}

.literature-page .literature-image {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: 320px;
  height: auto;

  object-fit: contain;
  object-position: top left;

  background: #f7f7f7;
}

/* =========================
   RIGHT CONTENT COLUMN
   ========================= */

.literature-page .literature-content-column {
  min-width: 0;
}

.literature-page .literature-meta {
  margin: 0 0 0.75rem;

  color: #555;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.4;

  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.literature-page .literature-title {
  margin: 0 0 0.75rem;

  color: #222;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
}

.literature-page .literature-authors {
  margin: 0 0 1rem;

  color: #333;
  font-size: 0.95rem;
  line-height: 1.5;
}

.literature-page .literature-abstract {
  max-width: 720px;
  margin: 1.25rem 0 0;

  color: #444;
  font-size: 1rem;
  line-height: 1.65;
}

/* =========================
   TOPIC TAGS
   ========================= */

.literature-page .literature-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;

  margin-top: 1.25rem;
}

.literature-page .literature-topic {
  padding: 0.3rem 0.6rem;

  border: 1px solid #d8d8d8;
  border-radius: 999px;

  color: #555;
  font-size: 0.78rem;
  line-height: 1;
}

/* =========================
   LINKS
   ========================= */

.literature-page .literature-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;

  margin-top: 1.25rem;
}

.literature-page .literature-link {
  color: #0066cc;
  font-size: 0.9rem;
  text-decoration: none;
}

.literature-page .literature-link:hover {
  text-decoration: underline;
}

/* =========================
   DIRECT LINK HIGHLIGHT
   ========================= */

.literature-page .literature-item:target {
  background: #fafafa;
}

/* =========================
   TABLET
   ========================= */

@media (max-width: 800px) {
  .literature-page {
    padding: 3rem 1rem 4rem;
  }

  .literature-hero {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
  }

  .literature-hero h1 {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  .literature-intro {
    font-size: 1rem;
  }

  .literature-page .literature-item {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .literature-page .literature-image {
    max-width: 520px;
    max-height: none;
  }
}

/* =========================
   MOBILE
   ========================= */

@media (max-width: 600px) {
  .literature-page {
    padding: 2.5rem 1rem 3.5rem;
  }

  .literature-hero {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
  }

  .literature-eyebrow {
    margin-bottom: 1rem;
  }

  .literature-hero h1 {
    font-size: clamp(2rem, 9vw, 2.6rem);
    line-height: 1;
  }

  .literature-intro {
    margin-top: 1.5rem;
    font-size: 0.95rem;
  }

  .literature-year-title {
    font-size: 1.35rem;
  }

  .literature-page .literature-item {
    padding: 2rem 0;
  }

  .literature-page .literature-title {
    font-size: 1.35rem;
  }

  .literature-page .literature-authors {
    font-size: 0.9rem;
  }

  .literature-page .literature-abstract {
    font-size: 0.95rem;
  }
}