/* Seasonal History — River Data long-term comparison */
.page-river-levels #seasonal-history{position:relative;overflow:visible}
.page-river-levels #seasonal-history>.section-heading.split-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);gap:24px;align-items:end}
.page-river-levels .seasonal-heading-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px;margin-bottom:12px}
.page-river-levels .seasonal-confidence,.page-river-levels .seasonal-years-pill{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;font-size:.67rem;font-weight:900;letter-spacing:.03em;white-space:nowrap}
.page-river-levels .seasonal-confidence{background:#e7f3ea;color:#216849}
.page-river-levels .seasonal-confidence.is-moderate{background:#edf3e9;color:#486b37}
.page-river-levels .seasonal-confidence.is-developing{background:#f8efda;color:#825e19}
.page-river-levels .seasonal-confidence.is-limited{background:#edf0ee;color:#66776d}
.page-river-levels .seasonal-years-pill{border:1px solid rgba(16,47,34,.1);background:#f8faf8;color:#64776d}
.page-river-levels .seasonal-control{display:grid;gap:6px;min-width:0}
.page-river-levels .seasonal-control span{color:#6d8175;font-size:.65rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.page-river-levels .seasonal-control select{width:100%;min-height:44px;box-sizing:border-box;border:1px solid rgba(16,47,34,.16);border-radius:12px;padding:0 40px 0 13px;background:#fff;color:#173a2b;font:inherit;font-size:.86rem;font-weight:750;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.page-river-levels .seasonal-control select:focus{border-color:rgba(23,86,59,.45);box-shadow:0 0 0 3px rgba(23,86,59,.11)}
.page-river-levels .seasonal-control select:disabled{opacity:.62;cursor:wait}

.page-river-levels .seasonal-chart-shell{position:relative;margin-top:16px;border:1px solid rgba(16,47,34,.1);border-radius:20px;background:linear-gradient(180deg,#fff 0%,#fbfdfb 100%);box-shadow:0 14px 38px rgba(16,47,34,.055);overflow:hidden}
.page-river-levels .seasonal-chart-topline{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 18px 10px;border-bottom:1px solid rgba(16,47,34,.07)}
.page-river-levels .seasonal-legend{display:flex;flex-wrap:wrap;align-items:center;gap:13px 18px;color:#536b5e;font-size:.72rem;font-weight:750}
.page-river-levels .seasonal-legend span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.page-river-levels .seasonal-key{display:inline-block;width:20px;height:3px;border-radius:999px;background:#17563b}
.page-river-levels .seasonal-key-current{height:3px;background:#17563b}
.page-river-levels .seasonal-key-last{height:2px;background:#80958a}
.page-river-levels .seasonal-key-median{height:2px;background:repeating-linear-gradient(90deg,#9b6a2e 0 5px,transparent 5px 8px)}
.page-river-levels .seasonal-key-band{height:10px;border:1px solid rgba(65,117,84,.14);border-radius:3px;background:rgba(83,139,103,.14)}
.page-river-levels .seasonal-chart-kicker{color:#7b8d83;font-size:.67rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.page-river-levels .seasonal-chart-wrap{position:relative;width:100%;min-width:0;padding:4px 10px 0}
.page-river-levels .seasonal-chart{display:block;width:100%;height:auto;min-height:300px;touch-action:none}
.page-river-levels .seasonal-grid-line{stroke:rgba(16,47,34,.08);stroke-width:1}
.page-river-levels .seasonal-axis-label{fill:#73867b;font-family:inherit;font-size:11px;font-weight:650}
.page-river-levels .seasonal-x-label{font-size:10.5px}
.page-river-levels .seasonal-history-band{fill:rgba(78,132,96,.13);stroke:none}
.page-river-levels .seasonal-history-line{fill:none;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.page-river-levels .seasonal-history-current{stroke:#17563b;stroke-width:3.25}
.page-river-levels .seasonal-history-last{stroke:#85998e;stroke-width:2.1}
.page-river-levels .seasonal-history-median{stroke:#9a682b;stroke-width:2;stroke-dasharray:7 6}
.page-river-levels .seasonal-hit-area{fill:transparent;pointer-events:all;cursor:crosshair}
.page-river-levels .seasonal-hover-line{stroke:rgba(23,86,59,.35);stroke-width:1;stroke-dasharray:3 4;vector-effect:non-scaling-stroke}
.page-river-levels .seasonal-hover-point{stroke:#fff;stroke-width:2;vector-effect:non-scaling-stroke}
.page-river-levels .seasonal-hover-current{fill:#17563b}
.page-river-levels .seasonal-hover-last{fill:#85998e}
.page-river-levels .seasonal-hover-median{fill:#9a682b}
.page-river-levels .seasonal-empty{fill:#708379;font-size:14px;font-family:inherit;font-weight:700}
.page-river-levels .seasonal-tooltip{position:absolute;z-index:20;width:176px;padding:11px 12px;border:1px solid rgba(16,47,34,.13);border-radius:12px;background:rgba(255,255,255,.97);box-shadow:0 12px 30px rgba(16,47,34,.14);backdrop-filter:blur(8px);pointer-events:none}
.page-river-levels .seasonal-tooltip strong{display:block;margin-bottom:7px;color:#173a2b;font-size:.78rem}
.page-river-levels .seasonal-tooltip span{display:grid;grid-template-columns:1fr auto;gap:8px;padding:2px 0;color:#63776c;font-size:.7rem}
.page-river-levels .seasonal-tooltip b{color:#365447;font-weight:800}
.page-river-levels .seasonal-chart-footer{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:12px 18px 15px;border-top:1px solid rgba(16,47,34,.07)}
.page-river-levels .seasonal-chart-footer p{margin:0;color:#687c70;font-size:.75rem;line-height:1.5}
.page-river-levels .seasonal-chart-footer p:last-child{text-align:right}

.page-river-levels .seasonal-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:14px;border:1px solid rgba(16,47,34,.1);border-radius:16px;overflow:hidden;background:#fbfdfb}
.page-river-levels .seasonal-stats>div{min-width:0;padding:14px 16px;border-right:1px solid rgba(16,47,34,.08)}
.page-river-levels .seasonal-stats>div:last-child{border-right:0}
.page-river-levels .seasonal-stats span{display:block;margin-bottom:5px;color:#75877d;font-size:.63rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.page-river-levels .seasonal-stats strong{display:block;color:#173a2b;font-size:.9rem;line-height:1.35}
.page-river-levels .seasonal-explainer{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:12px;margin-top:14px}
.page-river-levels .seasonal-explainer article{padding:15px 17px;border:1px solid rgba(16,47,34,.09);border-radius:15px;background:#f8fbf9}
.page-river-levels .seasonal-explainer article:last-child{background:#fbfaf5}
.page-river-levels .seasonal-explainer span{display:block;margin-bottom:5px;color:#6c8175;font-size:.63rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.page-river-levels .seasonal-explainer strong{display:block;color:#173a2b;font-size:.86rem}
.page-river-levels .seasonal-explainer p{margin:5px 0 0;color:#5f7368;font-size:.78rem;line-height:1.55}
.page-river-levels #seasonal-history.is-building .seasonal-history-band,.page-river-levels #seasonal-history.is-building .seasonal-history-median{display:none}
.page-river-levels #seasonal-history.is-loading .seasonal-chart-shell{opacity:.72}

@media(max-width:900px){
  .page-river-levels #seasonal-history>.section-heading.split-heading{grid-template-columns:1fr}
  .page-river-levels .seasonal-heading-meta{justify-content:flex-start}
  .page-river-levels .seasonal-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-river-levels .seasonal-stats>div:nth-child(2){border-right:0}
  .page-river-levels .seasonal-stats>div:nth-child(-n+2){border-bottom:1px solid rgba(16,47,34,.08)}
  .page-river-levels .seasonal-explainer{grid-template-columns:1fr}
}
@media(max-width:720px){
  .page-river-levels .seasonal-chart-topline{align-items:flex-start;flex-direction:column}
  .page-river-levels .seasonal-chart-kicker{display:none}
  .page-river-levels .seasonal-chart-wrap{padding-left:2px;padding-right:2px;overflow-x:auto}
  .page-river-levels .seasonal-chart{min-width:680px;min-height:270px}
  .page-river-levels .seasonal-chart-footer{display:grid;gap:5px}
  .page-river-levels .seasonal-chart-footer p:last-child{text-align:left}
}
@media(max-width:520px){
  .page-river-levels .seasonal-heading-meta{gap:6px}
  .page-river-levels .seasonal-confidence,.page-river-levels .seasonal-years-pill{font-size:.62rem}
  .page-river-levels .seasonal-stats>div{padding:12px}
  .page-river-levels .seasonal-stats strong{font-size:.82rem}
  .page-river-levels .seasonal-chart-shell{border-radius:16px}
  .page-river-levels .seasonal-legend{gap:9px 12px;font-size:.66rem}
}