/* Layout */
.gh-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.4rem;
}

.gh-container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 2.4rem;
}

/* Header */
.gh-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--color-lightgrey);
  background: var(--color-bg-blur);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: padding 0.3s ease;
}

.gh-head.scrolled {
  padding: 1.2rem 0;
}

.gh-head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gh-head-logo {
  font-family: var(--font-heading);
  font-size: 2.0rem;
  font-weight: 700;
  color: var(--color-darkgrey);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.gh-head-avatar {
  height: 3.2rem;
  width: auto;
  display: block;
}

.gh-head-logo:hover { text-decoration: none; opacity: 0.8; }

.gh-head-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gh-icon-btn {
  color: var(--color-midgrey);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  border-radius: 8px;
  border: none;
  background: transparent;
  transition: background 0.2s ease;
}

.gh-icon-btn:hover {
  color: var(--color-accent);
  background: rgba(128,128,128,0.1);
}

.gh-icon-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--color-lightgrey);
  color: var(--color-darkgrey);
  font-size: 1.2rem;
  white-space: nowrap;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.gh-icon-btn.copied::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Show sun in dark mode, moon in light mode */
.icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun { display: none; }
  :root:not([data-theme="light"]) .icon-moon { display: block; }
}

:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }
:root[data-theme="light"] .icon-sun { display: block; }
:root[data-theme="light"] .icon-moon { display: none; }

.gh-head-nav {
  display: flex;
  gap: 2.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.gh-head-nav a {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-midgrey);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gh-head-nav a:hover { color: var(--color-darkgrey); text-decoration: none; }

/* Footer */
.gh-foot {
  padding: 4.8rem 0;
  border-top: 1px solid var(--color-lightgrey);
  margin-top: 6.4rem;
  text-align: center;
  color: var(--color-midgrey);
  font-size: 1.4rem;
}

.gh-foot a { color: var(--color-midgrey); }
.gh-foot a:hover { color: var(--color-darkgrey); }

/* Gallery footer: likes left, next right */
.gallery-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 3.2rem;
  padding-bottom: 3.2rem;
  border-top: 1px solid var(--color-lightgrey);
  margin-top: 4.8rem;
}

@media (max-width: 600px) {
  .gallery-footer {
    padding-bottom: 6.4rem;
  }
}

.gallery-nav-next {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--color-midgrey);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}

.gallery-nav-next:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Post grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin-bottom: 2.4rem;
}

@media (max-width: 900px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .post-grid {
    grid-template-columns: 1fr;
  }



}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.6rem;
  padding: 3.2rem 0;
  font-size: 1.4rem;
}

.pagination a, .pagination span {
  padding: 0.8rem 1.6rem;
  border: 1px solid var(--color-lightgrey);
  color: var(--color-midgrey);
}

.pagination a:hover { color: var(--color-darkgrey); text-decoration: none; border-color: var(--color-midgrey); }
.pagination .current { background: var(--color-darkgrey); color: #fff; border-color: var(--color-darkgrey); }