/* post-1624.css — 10 Research Papers That Define the GEO Field */

/* Timeline diagram */
.timeline-diagram { border: 1px solid #e0e0e0; border-radius: 8px; overflow: hidden; margin: 1.5rem 0 2rem; }
.timeline-row { display: flex; align-items: stretch; border-bottom: 1px solid #efefef; }
.timeline-row:last-child { border-bottom: none; }
.tl-year { font-family: -apple-system, sans-serif; font-size: 0.85rem; font-weight: 700; color: #111; padding: 0.85rem 1rem; min-width: 60px; background: #f7f7f7; border-right: 1px solid #e0e0e0; display: flex; align-items: center; justify-content: center; }
.tl-paper { font-family: -apple-system, sans-serif; font-size: 0.88rem; font-weight: 600; color: #111; padding: 0.85rem 1rem; flex: 1; display: flex; align-items: center; }
.tl-what { font-family: -apple-system, sans-serif; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.85rem 1rem; min-width: 100px; color: #888; display: flex; align-items: center; }
@media (max-width: 600px) { .timeline-row { flex-direction: column; } .tl-year { border-right: none; border-bottom: 1px solid #e0e0e0; min-width: auto; padding: 0.5rem 1rem; justify-content: flex-start; } .tl-paper { padding: 0.5rem 1rem; } .tl-what { padding: 0.3rem 1rem 0.5rem; } }

/* Paper cards */
.paper-card { border: 1px solid #e0e0e0; border-radius: 8px; margin: 1.5rem 0; overflow: hidden; }
.paper-card-header { display: flex; align-items: center; gap: 0.75rem; padding: 1rem 1.25rem; background: #fafafa; border-bottom: 1px solid #efefef; flex-wrap: wrap; }
.paper-number { font-family: -apple-system, sans-serif; font-size: 0.75rem; font-weight: 700; color: #aaa; letter-spacing: 0.08em; flex-shrink: 0; }
.paper-card-header h3 { margin: 0; font-size: 1.05rem; flex: 1; }
.paper-cat { font-family: -apple-system, sans-serif; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.2rem 0.55rem; border-radius: 3px; white-space: nowrap; }
.paper-cat.geo { background: #d4edda; color: #155724; }
.paper-cat.retrieval { background: #d1ecf1; color: #0c5460; }
.paper-cat.attribution { background: #e8d5f5; color: #5a2d82; }
.paper-cat.benchmark { background: #fff3cd; color: #856404; }
.paper-row { border-top: 1px solid #f0f0f0; padding: 0.85rem 1.25rem; }
.paper-row:first-of-type { border-top: none; }
.plabel { font-family: -apple-system, sans-serif; font-size: 0.73rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #aaa; display: block; margin-bottom: 0.3rem; }
.paper-row p { margin: 0; font-size: 0.95rem; }
.cite { font-family: -apple-system, sans-serif; font-size: 0.85rem; color: #666; line-height: 1.5; }