/* ==========================================================================
   Modern CSS Overrides for hugo-coder theme
   ========================================================================== */

/* -- Custom Properties -- */
:root {
  --card-bg: #ffffff;
  --card-border: #e8e8e8;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.06);
  --tag-bg: #f0f0f0;
  --tag-color: #555;
  --tag-hover-bg: #1565c0;
  --tag-hover-color: #fff;
  --excerpt-color: #616161;
  --date-color: #888;
  --divider-color: #eee;
}

body.colorscheme-dark {
  --card-bg: #2a2a2a;
  --card-border: #3a3a3a;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --card-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.4), 0 4px 10px rgba(0, 0, 0, 0.3);
  --tag-bg: #3a3a3a;
  --tag-color: #bbb;
  --tag-hover-bg: #42a5f5;
  --tag-hover-color: #fff;
  --excerpt-color: #aaa;
  --date-color: #999;
  --divider-color: #3a3a3a;
}

@media (prefers-color-scheme: dark) {
  body.colorscheme-auto {
    --card-bg: #2a2a2a;
    --card-border: #3a3a3a;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.4), 0 4px 10px rgba(0, 0, 0, 0.3);
    --tag-bg: #3a3a3a;
    --tag-color: #bbb;
    --tag-hover-bg: #42a5f5;
    --tag-hover-color: #fff;
    --excerpt-color: #aaa;
    --date-color: #999;
    --divider-color: #3a3a3a;
  }
}

/* -- Typography -- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, sans-serif;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.navigation a,
.navigation span {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, sans-serif;
}

.content .post .post-meta {
  font-size: 1.5rem;
  letter-spacing: 0;
}

/* -- Global Transitions -- */
a {
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

/* -- Spacing & Container -- */
.container {
  max-width: 82rem;
  padding-left: 2.4rem;
  padding-right: 2.4rem;
}

.content {
  margin-top: 2.4rem;
  margin-bottom: 4rem;
}

/* -- Navigation -- */
.navigation {
  border-bottom: 1px solid var(--divider-color);
}

.navigation .navigation-title {
  font-weight: 700;
  letter-spacing: 0.08rem;
}

.navigation a:hover,
.navigation a:focus {
  text-decoration: none;
}

.navigation .navigation-link {
  position: relative;
}

.navigation .navigation-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #1565c0;
  transition: width 0.25s ease;
}

.navigation .navigation-link:hover::after,
.navigation .navigation-link:focus::after {
  width: 100%;
}

body.colorscheme-dark .navigation {
  border-bottom-color: #3a3a3a;
}

body.colorscheme-dark .navigation .navigation-link::after {
  background-color: #42a5f5;
}

@media (prefers-color-scheme: dark) {
  body.colorscheme-auto .navigation {
    border-bottom-color: #3a3a3a;
  }
  body.colorscheme-auto .navigation .navigation-link::after {
    background-color: #42a5f5;
  }
}

@media only screen and (max-width: 768px) {
  .navigation .navigation-link::after {
    display: none;
  }
  .container {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
  }
}

/* -- Post Cards (list page) -- */
.post-cards {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  margin: 3.2rem 0;
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.2rem;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.post-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.post-card__image-link {
  display: block;
  overflow: hidden;
}

.post-card__image {
  display: block;
  width: 100%;
  height: 22rem;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-card__image {
  transform: scale(1.03);
}

.post-card__body {
  padding: 2rem 2.4rem 2.4rem;
}

.post-card__date {
  display: block;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--date-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.post-card__title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1rem 0;
  letter-spacing: -0.015em;
}

.post-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-card__title a:hover,
.post-card__title a:focus {
  text-decoration: none;
}

body.colorscheme-dark .post-card__title a {
  color: #dadada;
}

body.colorscheme-dark .post-card__title a:hover {
  color: #42a5f5;
}

@media (prefers-color-scheme: dark) {
  body.colorscheme-auto .post-card__title a {
    color: #dadada;
  }
  body.colorscheme-auto .post-card__title a:hover {
    color: #42a5f5;
  }
}

.post-card__excerpt {
  font-size: 1.5rem;
  line-height: 1.6;
  color: var(--excerpt-color);
  margin: 0 0 1.4rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.post-card__tag {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 500;
  padding: 0.3rem 0.9rem;
  background-color: var(--tag-bg);
  color: var(--tag-color);
  border-radius: 2rem;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.post-card__tag:hover,
.post-card__tag:focus {
  background-color: var(--tag-hover-bg);
  color: var(--tag-hover-color);
  text-decoration: none;
}

@media only screen and (max-width: 768px) {
  .post-cards {
    gap: 2rem;
  }
  .post-card__image {
    height: 18rem;
  }
  .post-card__body {
    padding: 1.6rem;
  }
  .post-card__title {
    font-size: 1.9rem;
  }
  .post-card__excerpt {
    font-size: 1.4rem;
    -webkit-line-clamp: 2;
  }
}

/* -- Single Post Page -- */
.content .post .post-content img {
  border-radius: 0.8rem;
  margin: 2rem 0;
}

.content .post .post-content > img:first-child {
  width: 100%;
  max-height: 40rem;
  object-fit: cover;
  border-radius: 1.2rem;
  margin-bottom: 3rem;
}

.content .post .post-meta .tags .tag {
  font-size: 1.3rem;
  padding: 0.3rem 0.9rem;
  border-radius: 2rem;
  transition: background-color 0.2s ease;
}

/* -- Taxonomy Pages -- */
.taxonomy li {
  margin: 0.6rem;
}

.taxonomy .taxonomy-element {
  padding: 0.5rem 1.2rem;
  border-radius: 2rem;
  transition: background-color 0.2s ease, transform 0.15s ease;
  font-size: 1.5rem;
}

.taxonomy .taxonomy-element:hover {
  transform: translateY(-1px);
}

.taxonomy .taxonomy-element sup {
  font-size: 1.1rem;
  margin-left: 0.3rem;
  opacity: 0.7;
}

/* -- Pagination -- */
.pagination {
  margin-top: 4rem;
  gap: 0.4rem;
}

.pagination li {
  min-width: 3.6rem;
  height: 3.6rem;
  line-height: 3.6rem;
  border-radius: 0.8rem;
  transition: background-color 0.2s ease;
}

.pagination li a {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  border-radius: 0.8rem;
}

.pagination li a:hover {
  background-color: var(--tag-bg);
  text-decoration: none;
}

/* -- Footer -- */
.footer {
  padding-top: 2rem;
  border-top: 1px solid var(--divider-color);
  margin-top: 2rem;
  font-size: 1.4rem;
  color: var(--date-color);
}

body.colorscheme-dark .footer {
  border-top-color: #3a3a3a;
  color: #999;
}

@media (prefers-color-scheme: dark) {
  body.colorscheme-auto .footer {
    border-top-color: #3a3a3a;
    color: #999;
  }
}

/* -- Home Page -- */
.centered .about h1 {
  font-size: 3.2rem;
  letter-spacing: -0.02em;
}

.centered .about h2 {
  font-size: 2rem;
  font-weight: 400;
  color: var(--excerpt-color);
  letter-spacing: 0;
}

.avatar img {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.avatar img:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.18);
}

body.colorscheme-dark .avatar img {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

body.colorscheme-dark .avatar img:hover {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  body.colorscheme-auto .avatar img {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }
  body.colorscheme-auto .avatar img:hover {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
  }
}

.centered .about ul li a {
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.centered .about ul li a:hover {
  transform: translateY(-2px);
  text-decoration: none;
}