:root {
    --orange: #F7931A;
    --orange-light: #FBCC8D;
    --grey: #e0e0e0;
    --text: #1a1a1a;
    --text-muted: #666;
    --white: #ffffff;
    --bg: #fafafa;
  }

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

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    padding: 60px 24px;
  }

  .container {
    max-width: 860px;
    margin: 0 auto;
  }

  /* Header */
  .header {
    border-left: 4px solid var(--orange);
    padding-left: 20px;
    margin-bottom: 48px;
  }

  .header-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 8px;
  }

  .header h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 36px;
    line-height: 1.15;
    color: var(--text);
    margin-bottom: 10px;
  }

  .header p {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.6;
    max-width: 520px;
  }

  /* Stats bar */
  .stats-bar {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
  }

  .stat {
    background: var(--white);
    border: 1px solid var(--grey);
    border-top: 3px solid var(--orange);
    padding: 18px 24px;
    border-radius: 4px;
    min-width: 140px;
  }

  .stat-number {
    font-family: 'DM Serif Display', serif;
    font-size: 32px;
    color: var(--orange);
    line-height: 1;
    margin-bottom: 4px;
  }

  .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  /* Section title */
  .section-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--grey);
  }

  /* Article card */
  .article-card {
    background: var(--white);
    border: 1px solid var(--grey);
    border-radius: 6px;
    padding: 28px 32px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
  }

  .article-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--orange);
  }

  .article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .article-number {
    font-family: 'DM Serif Display', serif;
    font-size: 13px;
    color: var(--orange);
    background: #fff7ee;
    border: 1px solid var(--orange-light);
    padding: 2px 10px;
    border-radius: 20px;
  }

  .article-date {
    font-size: 12px;
    color: var(--text-muted);
  }

  .article-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--white);
    background: var(--orange);
    padding: 2px 9px;
    border-radius: 20px;
  }

  .article-title {
    font-family: 'DM Serif Display', serif;
    font-size: 20px;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
  }

  .article-description {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 18px;
  }

  .files-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  .file-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--bg);
    border: 1px solid var(--grey);
    border-radius: 4px;
    padding: 7px 14px;
    font-size: 12px;
    color: var(--text);
    font-weight: 500;
  }

  .file-chip .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--orange-light);
    border: 1.5px solid var(--orange);
    flex-shrink: 0;
  }

  .file-chip.teaser .dot {
    background: var(--grey);
    border-color: #aaa;
  }

  .article-body {
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .article-content {
    flex: 1;
  }

  .article-thumbnail {
    width: 120px;
    height: 72px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--grey);
    flex-shrink: 0;
  }

  .medium-tags {
    margin-top: 14px;
  }

  .tags-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 7px;
  }

  .tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
  }

  .tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--orange);
    background: #fff7ee;
    border: 1px solid var(--orange-light);
    padding: 3px 10px;
    border-radius: 20px;
    text-decoration: none;
  }

  /* Placeholder card */
  .placeholder-card {
    background: var(--white);
    border: 1px dashed var(--grey);
    border-radius: 6px;
    padding: 28px 32px;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
  }

  .placeholder-card span {
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.4;
  }

  /* Footer note */
  .footer-note {
    margin-top: 48px;
    padding: 20px 24px;
    background: #fff7ee;
    border: 1px solid var(--orange-light);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  .footer-note strong {
    color: var(--orange);
  }

  .footer-note p + p {
    margin-top: 8px;
  }

  .publication-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    border: 1px solid var(--grey);
    border-radius: 6px;
    padding: 16px 24px;
    margin-bottom: 20px;
  }

  .publication-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .publication-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--orange);
    text-decoration: none;
    border-bottom: 1px solid var(--orange-light);
    padding-bottom: 1px;
  }

  .publication-link:hover {
    border-bottom-color: var(--orange);
  }

  .publication-divider {
    color: var(--grey);
    font-size: 18px;
    line-height: 1;
  }

  /* Tag filter */
  .tag-filter {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding: 14px 20px;
    background: var(--white);
    border: 1px solid var(--grey);
    border-left: 3px solid var(--orange);
    border-radius: 4px;
    flex-wrap: wrap;
  }

  .tag-filter-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .tag-select {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--grey);
    border-radius: 4px;
    padding: 8px 36px 8px 14px;
    cursor: pointer;
    outline: none;
    flex: 1;
    min-width: 200px;
    max-width: 320px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23F7931A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
  }

  .tag-select:hover {
    border-color: var(--orange-light);
  }

  .tag-select:focus {
    border-color: var(--orange);
  }

  .filter-reset {
    font-size: 12px;
    font-weight: 500;
    color: var(--orange);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-bottom: 1px solid transparent;
    font-family: 'DM Sans', sans-serif;
    display: none;
  }

  .filter-reset.visible {
    display: inline-block;
  }

  .filter-reset:hover {
    border-bottom-color: var(--orange-light);
  }

  .filter-count {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
  }

  .article-card {
    transition: opacity 0.35s ease, transform 0.35s ease;
  }

  .article-card.fading-out {
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
  }

  .article-card.fading-in {
    opacity: 0;
    transform: translateY(6px);
  }

  .article-card.hidden {
    display: none;
  }

  .no-results {
    transition: opacity 0.35s ease;
  }

  .no-results {
    display: none;
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
    background: var(--white);
    border: 1px dashed var(--grey);
    border-radius: 6px;
    margin-bottom: 20px;
  }

  .no-results.visible {
    display: block;
  }

  /* Last updated */
  .last-updated {
    text-align: right;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 32px;
    letter-spacing: 0.05em;
  }