/* ── COOL STUFF PAGE ─────────────────────────────────────── */
.cool-tabs{display:flex;gap:0;margin-bottom:40px;border-bottom:1px solid var(--cell-border)}
.cool-tab{
  font-size:0.75rem;letter-spacing:0.15em;text-transform:uppercase;
  color:var(--text-dim);padding:12px 24px;cursor:pointer;
  border-bottom:2px solid transparent;transition:all 0.15s;
  background:none;border-top:none;border-left:none;border-right:none;
  font-family:'DM Mono',monospace;margin-bottom:-1px;
}
.cool-tab:hover{color:var(--accent)}
.cool-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.cool-subpage{display:none}
.cool-subpage.active{display:block}

/* ── MOBILE OPTIMIZATIONS ───────────────────────────────── */
@media (max-width: 640px) {
  
  /* Cool tabs scrolling */
  .cool-tabs {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px;
  }
  
  .cool-tabs::-webkit-scrollbar {
    display: none;
  }
  
  .cool-tab {
    flex-shrink: 0;
    padding: 10px 20px;
  }
}