* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #fff;
  --fg: #000;
  --border: 1px solid #000;
}

body {
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--fg);
}

header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: var(--border);
  padding: 8px;
  z-index: 100;
}

h1 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-group label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
}

select, button {
  font-family: inherit;
  font-size: 10px;
  padding: 4px 6px;
  border: var(--border);
  border-radius: 0;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
  text-transform: uppercase;
}

select:hover, button:hover {
  background: #eee;
}

select:focus, button:focus {
  outline: 2px solid var(--fg);
  outline-offset: 1px;
}

main {
  padding: 8px;
}

#articles {
  display: grid;
  gap: 8px;
}

.article-card {
  border: var(--border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  background: #f5f5f5;
  border-color: #666;
}

.article-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: var(--border);
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.article-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-card .meta span {
  opacity: 0.6;
}

.article-card .title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}

.article-card .summary {
  font-size: 11px;
  opacity: 0.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-footer .source-link {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0.6;
}

.card-footer .source-link:hover {
  opacity: 1;
  text-decoration: underline;
}

.card-footer .tags {
  margin-top: 0;
  flex: 1;
  justify-content: flex-end;
}

.njump-btn {
  display: inline-block;
  width: 16px;
  height: 16px;
  line-height: 14px;
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  border: 1px solid #ccc;
  text-decoration: none;
  color: #999;
  margin-left: auto;
}

.njump-btn:hover {
  border-color: #000;
  color: #000;
}

.tag {
  display: inline-block;
  border: 1px solid #999;
  padding: 2px 6px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  background: #f9f9f9;
}

.tag:hover {
  background: #eee;
  border-color: #000;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}


#loading {
  text-align: center;
  padding: 16px;
  font-size: 10px;
  letter-spacing: 2px;
}

#end-message {
  text-align: center;
  padding: 16px;
  font-size: 10px;
  letter-spacing: 2px;
  opacity: 0.5;
}

.hidden {
  display: none !important;
}

/* New articles notification */
.new-articles-badge {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--fg);
  color: var(--bg);
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 150;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
}

.new-articles-badge.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Modal */
#modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 200;
  overflow-y: auto;
}

.modal-content {
  background: var(--bg);
  border: var(--border);
  margin: 16px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.modal-close {
  position: sticky;
  top: 0;
  width: 100%;
  border: none;
  border-bottom: var(--border);
  padding: 8px;
  font-weight: 700;
  text-align: right;
}

#modal-article {
  padding: 16px;
}

.modal-image {
  margin: -16px -16px 16px -16px;
  max-height: 300px;
  overflow: hidden;
}

.modal-image img {
  width: 100%;
  height: auto;
  display: block;
}

#modal-article .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

#modal-article .title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

#modal-article .paywall-notice {
  font-size: 11px;
  padding: 8px 10px;
  margin-bottom: 8px;
  border: 1px solid #999;
  background: #f5f5f5;
}

#modal-article .author {
  font-size: 12px;
  font-style: italic;
  opacity: 0.7;
  margin-bottom: 12px;
}

#modal-article .links {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
}

#modal-article .source-link,
#modal-article .archive-link {
  font-size: 11px;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 1px;
}

#modal-article .archive-link {
  opacity: 0.6;
}

#modal-article .archive-link:hover {
  opacity: 1;
}

#modal-article .content {
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

#modal-article .content a {
  color: var(--fg);
}

#modal-article .tags {
  margin-top: 16px;
  padding-top: 12px;
  border-top: var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* Responsive */
@media (min-width: 600px) {
  #articles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  #articles {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  #articles {
    grid-template-columns: repeat(4, 1fr);
  }
}