@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');

:root {
  --bg: #000;
  --card-bg: #0a0a0a;
  --border: #1a1a1a;
  --text: #fff;
  --text-muted: #666;
  --accent: #fff;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.2;
  padding: 3rem;
  min-height: 100vh;
}

header {
  max-width: 1400px;
  margin: 0 auto 3rem;
}

h1 {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.filters {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
  align-items: center;
}

.filter-input {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.6rem 1rem;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  min-width: 180px;
}

.filter-input:focus {
  outline: none;
  border-color: var(--text);
}

.filter-input::placeholder {
  color: var(--text-muted);
}

.tag-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}

.tag-btn:hover,
.tag-btn.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.issues-container {
  max-width: 1400px;
  margin: 0 auto;
}

.issue {
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.issue:last-child {
  border-bottom: none;
}

.issue-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.issue-date {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.issue-tags {
  display: flex;
  gap: 0.5rem;
}

.issue-tag {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tweets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.tweet-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  min-height: 350px;
  position: relative;
}

.tweet-card .skeleton {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: pulse 1.5s ease-in-out infinite;
}

.tweet-card .skeleton-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tweet-card .skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--border);
}

.tweet-card .skeleton-name {
  height: 14px;
  width: 120px;
  background: var(--border);
}

.tweet-card .skeleton-handle {
  height: 12px;
  width: 80px;
  background: var(--border);
  margin-top: 4px;
}

.tweet-card .skeleton-text {
  height: 12px;
  background: var(--border);
  margin-bottom: 0.5rem;
}

.tweet-card .skeleton-text:nth-child(2) { width: 100%; }
.tweet-card .skeleton-text:nth-child(3) { width: 95%; }
.tweet-card .skeleton-text:nth-child(4) { width: 90%; }
.tweet-card .skeleton-text:nth-child(5) { width: 85%; }
.tweet-card .skeleton-text:nth-child(6) { width: 70%; }

.tweet-card .skeleton-image {
  height: 180px;
  background: var(--border);
  margin: 1rem 0;
}

.tweet-card .skeleton-footer {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

.tweet-card .skeleton-icon {
  width: 16px;
  height: 16px;
  background: var(--border);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.tweet-card:has(.twitter-tweet-rendered) .skeleton {
  display: none;
}

.no-results {
  text-align: center;
  padding: 4rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  body {
    padding: 1.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .tweets-grid {
    grid-template-columns: 1fr;
  }
  
  .filters {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-input {
    width: 100%;
  }
}