/* Sidebar navigation — shared across jiayi-website */
:root { --sidebar-w: 200px; }

body { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  padding: 3rem 2.5rem;
  background: var(--cream);
  border-right: 0.5px solid var(--border);
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  font-family: "zingiber-std", serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--charcoal);
  text-decoration: none;
  display: block;
  margin-bottom: 3rem;
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.sidebar-links a {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  display: inline-block;
  transition: transform 0.25s ease;
}

.sidebar-links a:hover { transform: translateX(6px); }
.sidebar-links a.active { color: var(--grass); }

.sidebar-foot {
  margin-top: auto;
  padding-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar-foot span {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--sage);
  display: block;
  line-height: 1.6;
}

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}

/* Artwork sub-navigation */
.sidebar-sub {
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 0.7rem;
  padding-left: 1.2rem;
  margin-top: 0.7rem;
}
.sidebar-sub.visible { display: flex; }
.sidebar-sub a {
  font-size: 0.55rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  body { display: block; }

  .sidebar {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: auto;
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 1.2rem 1.5rem;
    border-right: none;
    border-bottom: 0.5px solid var(--border);
    overflow-y: visible;
    overflow-x: auto;
    background: rgba(250,249,246,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .sidebar-logo {
    margin-bottom: 0;
    margin-right: 2rem;
    flex-shrink: 0;
  }

  .sidebar-links {
    flex-direction: row;
    gap: 1.5rem;
    flex-wrap: nowrap;
  }

  .sidebar-links li { flex-shrink: 0; }

  .sidebar-foot { display: none; }
  .sidebar-sub { display: none !important; }

  .main-content {
    margin-left: 0;
    padding-top: 4rem;
  }

}