.tool-nav { display: flex; gap: 6px; padding-top: 20px; }
.tool-nav a { padding: 9px 15px; border: 1px solid var(--line); border-radius: 3px; font-size: 12px; font-weight: 600; text-decoration: none; }
.tool-nav a[aria-current=page] { background: var(--green); border-color: var(--green); color: white; }
.traffic-controls { padding: 20px; display: flex; gap: 24px; justify-content: space-between; align-items: end; }
.traffic-controls fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.traffic-controls legend { font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.traffic-controls legend span { display: block; color: var(--muted); font-weight: 400; font-size: 11px; }
.race-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.race-chip { position: relative; cursor: pointer; }
.race-chip input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.race-chip span { display: flex; gap: 7px; align-items: center; border: 1px solid var(--line); border-radius: 3px; padding: 10px; font-size: 12px; min-height: 44px; }
.race-chip i, .traffic-legend i, .race-dot { width: 9px; height: 9px; display: inline-block; border-radius: 50%; background: var(--race-color); flex-shrink: 0; }
.race-chip input:checked + span { border-color: var(--green); background: #edf1e6; }
.race-chip input:not(:checked) + span { opacity: .65; }
.race-chip input:focus-visible + span { outline: 2px solid var(--green); outline-offset: 3px; }
.traffic-selects { display: flex; gap: 12px; flex-shrink: 0; }
.traffic-selects .control-group { min-width: 150px; }
.traffic-context, .traffic-note { font-size: 12px; color: var(--muted); }
.traffic-context { max-width: 850px; margin: 15px 0 22px; }
.traffic-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.traffic-shortcuts .button { font-size: 11px; }
.traffic-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.traffic-stat { border-top: 2px solid var(--green); padding: 14px 0; }
.traffic-stat strong { display: block; font: 32px Fraunces, serif; color: var(--green); }
.traffic-stat span, .traffic-stat small { display: block; font-size: 12px; color: var(--muted); }
.traffic-stat small { font-size: 10px; margin-top: 5px; }
.traffic-panel { padding: 24px; margin-bottom: 22px; min-width: 0; }
.heatmap-scroll { overflow: auto; max-height: 620px; margin: 20px 0 12px; border: 1px solid var(--line); }
.heatmap { width: max-content; display: grid; gap: 3px; padding: 3px; font: 10px 'DM Mono', monospace; }
.heatmap-corner, .heatmap-label { position: sticky; left: 0; background: var(--white); z-index: 2; padding: 7px 10px; }
.heatmap-label { display: flex; flex-direction: column; justify-content: center; min-height: 38px; }
.heatmap-label strong { font: 12px 'DM Sans', sans-serif; }
.heatmap-label small { color: var(--muted); font-size: 9px; }
.heatmap-corner { z-index: 4; top: 0; }
.heatmap-time { position: sticky; top: 0; background: var(--paper); z-index: 3; min-height: 48px; display: flex; flex-direction: column; justify-content: center; text-align: center; font-size: 9px; }
.heatmap-cell { border: 1px solid transparent; border-radius: 2px; min-height: 38px; padding: 0; font: 10px 'DM Mono', monospace; }
.heatmap-cell[aria-pressed=true] { outline: 2px solid var(--orange); outline-offset: -2px; }
.heatmap-cell:hover { border-color: var(--ink); }
.heatmap-zero { background: var(--paper); }
.traffic-scale { display: flex; gap: 10px; align-items: center; font: 10px 'DM Mono', monospace; color: var(--muted); }
.traffic-scale i { width: 110px; height: 8px; border-radius: 2px; background: linear-gradient(90deg, #e9efe2, #174c3a); }
#traffic-scale-max { margin-left: auto; }
.checkpoint-control { width: 235px; }
.arrival-chart { overflow-x: auto; margin: 20px 0 10px; padding-bottom: 6px; }
.arrival-bars { display: flex; align-items: end; gap: 4px; height: 206px; width: max-content; min-width: 100%; border-bottom: 1px solid var(--line); }
.arrival-bin { width: 46px; flex: 1 0 46px; max-width: 80px; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: end; padding: 0 2px 5px; border: 0; background: transparent; color: var(--muted); }
.arrival-bin[aria-pressed=true] { background: var(--paper2); outline: 2px solid var(--orange); outline-offset: -2px; }
.arrival-bin:hover { background: var(--paper); }
.arrival-bar-count { font: 9px 'DM Mono', monospace; }
.arrival-stack { display: flex; flex-direction: column-reverse; width: 100%; min-height: 1px; background: var(--line); }
.arrival-stack i { display: block; background: var(--race-color); min-height: 1px; }
.arrival-bin-label { flex-shrink: 0; width: 100%; height: 33px; margin-top: 6px; font: 9px/1.4 'DM Mono', monospace; text-align: center; white-space: nowrap; }
.arrival-bin-label > span { display: block; }
.traffic-legend { margin: 14px 0; }
.arrival-toolbar { display: flex; justify-content: space-between; gap: 15px; align-items: center; margin-top: 20px; }
.arrival-toolbar p { font-size: 13px; }
.arrival-table { min-width: 650px; }
.athlete-link { border: 0; padding: 2px 0; background: transparent; color: var(--green); text-align: left; text-decoration: underline; text-underline-offset: 3px; }
.arrival-pagination { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-top: 16px; font-size: 12px; color: var(--muted); }
.athlete-search { margin-top: 20px; max-width: 650px; }
.athlete-search label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.athlete-results { display: grid; gap: 5px; }
.athlete-result { border: 1px solid var(--line); border-radius: 3px; background: var(--paper); min-height: 44px; padding: 8px 12px; display: flex; justify-content: space-between; text-align: left; gap: 12px; }
.athlete-result small { color: var(--muted); }
.athlete-timeline-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding-top: 24px; }
.athlete-timeline-head h3 { font: 25px Fraunces, serif; margin: 0; }
.athlete-timeline-head p { font-size: 12px; color: var(--muted); margin: 4px 0; }
.athlete-stops { list-style: none; margin: 22px 0 0 8px; padding: 0; border-left: 2px solid var(--line); }
.athlete-stops li { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; padding: 0 0 23px 22px; font-size: 13px; }
.athlete-stops li::before { position: absolute; content: ''; left: -6px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--green); }
.athlete-stops li.missing::before { background: var(--paper); border: 2px solid var(--muted); }
.athlete-stops small { display: block; color: var(--muted); font-size: 11px; }
.athlete-stop-time { text-align: right; font: 12px 'DM Mono', monospace; }
.athlete-stop-time small { font-family: 'DM Sans', sans-serif; margin-top: 4px; }
@media (max-width: 1050px) { .traffic-controls { flex-direction: column; align-items: stretch; gap: 18px; } .traffic-selects .control-group { flex: 1; } }
@media (max-width: 760px) {
  .traffic-controls, .traffic-panel { padding: 16px; }
  .traffic-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 18px; }
  .traffic-stat strong { font-size: 27px; }
  .traffic-selects { gap: 8px; }
  .traffic-selects .control-group { min-width: 0; }
  .traffic-selects label { font-size: 10px; }
  .traffic-selects select { font-size: 14px; }
  .traffic-scale { flex-wrap: wrap; font-size: 9px; }
  .checkpoint-control { width: 100%; }
  .arrival-toolbar, .athlete-timeline-head { flex-wrap: wrap; }
  .arrival-toolbar .table-actions { flex-wrap: wrap; }
  .race-chip span { padding: 9px; font-size: 11px; }
  .athlete-result { flex-wrap: wrap; gap: 4px; }
  .athlete-stops li { grid-template-columns: minmax(0, 1fr); }
  .athlete-stop-time { text-align: left; }
  .traffic-shortcuts { margin-bottom: 8px; }
  .traffic-shortcuts .button { min-height: 40px; }
}