/*
 * Components: cards, buttons, pagination, badges, etc.
 * Glass-card recipe mirrors .glass-card and .hover-lift in src/index.css.
 */

/* ------- Cards ------- */

.t4u-card {
  background: var(--t4u-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--t4u-card-border);
  border-radius: var(--t4u-radius);
  box-shadow: var(--t4u-shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.t4u-card:hover {
  transform: translateY(-4px);
}

.t4u-card__thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--t4u-muted);
}

.t4u-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.t4u-card:hover .t4u-card__thumb img {
  transform: scale(1.04);
}

.t4u-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  flex: 1;
}

.t4u-card__meta {
  font-size: 0.8125rem;
  color: var(--t4u-muted-fg);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.t4u-card__title {
  font-size: 1.25rem;
  margin: 0;
  line-height: 1.3;
}

.t4u-card__title a {
  color: var(--t4u-accent);
}

.t4u-card__title a:hover {
  color: var(--t4u-primary);
}

.t4u-card__excerpt {
  color: var(--t4u-muted-fg);
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}

.t4u-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

/* ------- Buttons ------- */

.t4u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  padding: 0.625rem 1.125rem;
  border-radius: var(--t4u-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: background-color 0.2s ease, color 0.2s ease,
    transform 0.2s ease, box-shadow 0.2s ease;
}

.t4u-btn--primary {
  background-color: var(--t4u-primary);
  color: var(--t4u-primary-fg);
  box-shadow: var(--t4u-shadow);
}

.t4u-btn--primary:hover,
.t4u-btn--primary:focus {
  background-color: var(--t4u-accent);
  color: var(--t4u-accent-fg);
  transform: translateY(-1px);
}

.t4u-btn--secondary {
  background-color: var(--t4u-secondary);
  color: var(--t4u-secondary-fg);
}

.t4u-btn--secondary:hover {
  background-color: #d8b14e;
  color: var(--t4u-secondary-fg);
}

.t4u-btn--outline {
  background: transparent;
  border-color: var(--t4u-border);
  color: var(--t4u-accent);
}

.t4u-btn--outline:hover {
  border-color: var(--t4u-primary);
  color: var(--t4u-primary);
}

.t4u-btn--ghost {
  background: transparent;
  color: var(--t4u-primary);
  padding: 0.375rem 0.5rem;
}

.t4u-btn--ghost:hover {
  background: var(--t4u-muted);
}

/* "Read more" link */
.t4u-readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--t4u-primary);
  font-weight: 600;
}

.t4u-readmore::after {
  content: "->";
  transition: transform 0.2s ease;
}

.t4u-readmore:hover::after {
  transform: translateX(2px);
}

/* ------- Badges / tags ------- */

.t4u-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  background: var(--t4u-muted);
  color: var(--t4u-muted-fg);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.t4u-badge--primary {
  background: rgb(42 157 143 / 0.12);
  color: var(--t4u-primary);
}

/* ------- Pagination ------- */

.t4u-pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.t4u-pagination .nav-links,
.t4u-pagination .page-numbers {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.t4u-pagination a,
.t4u-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.625rem;
  border-radius: var(--t4u-radius-md);
  border: 1px solid var(--t4u-border);
  background: var(--t4u-background);
  color: var(--t4u-accent);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}

.t4u-pagination a:hover,
.t4u-pagination .page-numbers:hover {
  border-color: var(--t4u-primary);
  color: var(--t4u-primary);
}

.t4u-pagination .current {
  background: var(--t4u-primary);
  color: var(--t4u-primary-fg);
  border-color: var(--t4u-primary);
}

/* ------- Search form ------- */

.t4u-search-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 28rem;
}

.t4u-search-form input[type="search"] {
  flex: 1;
}

/* ------- Comments ------- */

.t4u-comments {
  margin-top: 3rem;
}

.t4u-comments__title {
  margin-bottom: 1.5rem;
}

.t4u-comments .comment-list,
.t4u-comments .children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.t4u-comments .comment-body {
  background: var(--t4u-muted);
  border-radius: var(--t4u-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.t4u-comments .children {
  padding-left: 1.25rem;
  border-left: 2px solid var(--t4u-border);
  margin-top: 1rem;
}

.t4u-comments .comment-author {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.t4u-comments .comment-author img.avatar {
  border-radius: 9999px;
}

.t4u-comments .comment-metadata {
  font-size: 0.8125rem;
  color: var(--t4u-muted-fg);
  margin-bottom: 0.75rem;
}

.t4u-comments .reply a {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ------- Hero header for archives ------- */

.t4u-archive-hero {
  position: relative;
  padding: 3rem 0;
  text-align: center;
  background: linear-gradient(
    180deg,
    rgb(42 157 143 / 0.08) 0%,
    transparent 100%
  );
}

.t4u-archive-hero h1 {
  margin: 0;
}

.t4u-archive-hero p {
  margin: 0.5rem 0 0;
  color: var(--t4u-muted-fg);
}

/* ------- 404 ------- */

.t4u-404 {
  text-align: center;
  padding: 5rem 0;
}

.t4u-404 h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--t4u-primary);
  margin-bottom: 0.5rem;
}

/* ------- Skip link ------- */

.t4u-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.t4u-skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100000;
  padding: 0.5rem 0.75rem;
  background: var(--t4u-accent);
  color: var(--t4u-accent-fg);
  border-radius: var(--t4u-radius-sm);
}