/* The College Library — shared photo chrome.
   Header photograph: ../media/header-fanlight.png (fanlight + foliage).
   Covers the sticky top strip, masthead, and the folder bar. */

.lib-chrome {
  position: sticky;
  top: 0;
  z-index: 2000;
  background-color: #cbbfa8;
  background-image:
    linear-gradient(180deg, rgba(36, 24, 14, 0.14) 0%, rgba(247, 244, 239, 0.02) 36%, rgba(247, 244, 239, 0.40) 100%),
    url("../media/header-fanlight.png");
  background-size: 100% 100%, cover;
  background-position: center center, center center;
  background-repeat: no-repeat;
}
.lib-chrome-inner { position: relative; z-index: 1; }

.lib-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 0.8rem;
  flex-wrap: nowrap;
  padding: 0.28rem 0 0.12rem;
}
.lib-top .lib-mail { margin-left: auto; flex-shrink: 0; }
.lib-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(247, 244, 239, 0.88);
  color: #1a1a1a;
  border-radius: 999px;
  text-decoration: none;
  line-height: 1.15;
  box-shadow: 0 0 0 0.5px rgba(26, 26, 26, 0.06);
}
.lib-pill:hover { opacity: 1; background: rgba(247, 244, 239, 0.96); }
.lib-date {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.16rem 0.62rem 0.14rem;
}
.lib-mail {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: none;
  padding: 0.16rem 0.62rem 0.14rem;
  color: #1a1a1a;
}
.lib-mail:hover { opacity: 1; background: rgba(247, 244, 239, 0.96); }


.lib-mast {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* ~10% taller mast so the fanlight header reads deeper;
     bottom pad stretched so strap→folders ≈ page-top→title
     (meta row ~1.41rem + mast-top 0.80rem ≈ 2.21rem; folders pt 0.15 → mast pb 2.06) */
  padding: 0.80rem 0 2.06rem;
}
.lib-title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 500;
  font-size: clamp(1.85rem, 4.8vw, 2.95rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  padding: 0.12rem 0.95rem 0.2rem;
  margin: 0;
  text-decoration: none;
  color: #1a1a1a;
}
.lib-sub {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.16rem 0.7rem 0.14rem;
  /* letter-spacing leaves a trailing gap; nudge so the pill centres under the title */
  padding-left: calc(0.7rem + 0.28em);
  margin: 0.22rem 0 0;
  align-self: center;
}
.lib-title:hover { opacity: 1; background: rgba(247, 244, 239, 0.96); }

.lib-folders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
  align-items: end;
  padding: 0.15rem 0 0;
}
.folder {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.02rem;
  min-height: 2.75rem;
  padding: 0.38rem 0.7rem 0.42rem;
  background: rgba(247, 244, 239, 0.62);
  color: #1a1a1a;
  text-decoration: none;
  border-radius: 0.62rem 0.62rem 0 0;
  border: 0.5px solid rgba(26, 26, 26, 0.16);
  border-bottom: none;
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.05;
}
.folder small {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.62;
}
.folder:hover { opacity: 1; background: rgba(247, 244, 239, 0.82); }
.folder.active {
  background: #f7f4ef;
  border-color: #1a1a1a;
  font-weight: 600;
  position: relative;
  z-index: 3;
  margin-bottom: -2px;
  padding-bottom: calc(0.42rem + 2px);
  box-shadow: 0 2px 0 #f7f4ef;
}
.folder.active:hover { background: #f7f4ef; }
.folder.disabled {
  background: rgba(247, 244, 239, 0.32);
  color: rgba(26, 26, 26, 0.48);
  cursor: default;
  border-style: dashed;
}
.folder.disabled small { opacity: 0.8; }

.lib-freeze {
  position: relative;
  z-index: 2;
  height: 0;
  border-bottom: 1.5px solid #1a1a1a;
  box-shadow: 0 0.5px 0 rgba(26, 26, 26, 0.28);
}

@media (max-width: 720px) {
  .lib-title { font-size: 1.65rem; }
  /* mobile: page-top→title ≈ 1.77rem; folders pt 0.15 → mast pb 1.62 */
  .lib-mast { padding: 0.31rem 0 1.62rem; }
  .lib-folders { gap: 0.22rem; }
  .folder { font-size: 0.82rem; min-height: 2.35rem; padding: 0.32rem 0.5rem 0.36rem; letter-spacing: 0.04em; }
  .lib-top { padding: 0.35rem 0 0.10rem; }
}