.reservoir-overlap-dialog { width:min(1400px,calc(100vw - 24px)); height:calc(100dvh - 24px); padding:0; overflow:hidden; border:1px solid #a7b7ad; border-radius:7px; color:#233e37; background:#fffdf8; }
.reservoir-overlap-dialog[open] { display:flex; flex-direction:column; }
.reservoir-overlap-dialog::backdrop { background:rgb(6 31 27 / .82); }
.reservoir-overlap-head { display:flex; align-items:center; justify-content:space-between; gap:16px; flex:none; min-height:60px; padding:10px clamp(14px,2vw,24px); background:#123c32; color:white; }
.reservoir-overlap-head h2 { margin:0; font:650 clamp(1.05rem,2vw,1.35rem)/1.2 var(--sans); }
.reservoir-overlap-head button { display:grid; place-items:center; flex:none; width:42px; height:42px; padding:0; color:white; background:transparent; border:1px solid #a3b9af; border-radius:50%; font:500 1.55rem/1 var(--sans); cursor:pointer; }
.reservoir-overlap-body { flex:1; min-height:0; overflow:auto; padding:10px clamp(10px,2vw,22px) 12px; }
.reservoir-overlap-options { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:6px; width:min(100%,900px); margin:0 auto 10px; }
.reservoir-overlap-options button { display:flex; align-items:baseline; justify-content:center; gap:6px; min-width:0; min-height:44px; padding:6px 4px; color:#123c32; background:#eff3ed; border:1px solid #b5c8bd; border-radius:3px; font:700 .95rem var(--sans); cursor:pointer; }
.reservoir-overlap-options button[aria-pressed="true"] { color:white; background:#123c32; border-color:#123c32; }
.reservoir-overlap-options span { overflow:hidden; font-size:.75rem; font-weight:550; line-height:1.1; text-overflow:ellipsis; white-space:nowrap; }
.reservoir-overlap-map { width:min(100%,900px); margin:0 auto; text-align:center; }
.reservoir-overlap-viewport { position:relative; display:block; aspect-ratio:2020/2042; overflow:hidden; background:#d8dedb; box-shadow:0 10px 26px rgb(18 60 50 / .16); }
.reservoir-overlap-viewport img { position:absolute; top:0; left:0; display:block; width:138.12%; max-width:none; height:auto; transform:translate(-10.75%,-9%); }
.reservoir-overlap-map figcaption { display:grid; gap:3px; margin:10px auto 14px; color:#3e5750; font-size:.86rem; line-height:1.38; }
.reservoir-overlap-map figcaption strong { color:#233e37; font-size:clamp(.95rem,2vw,1.08rem); font-weight:650; }
.reservoir-overlap-expand { margin-top:3px; color:#123c32; font:650 .82rem/1.35 var(--sans); letter-spacing:.01em; text-decoration:underline; text-underline-offset:3px; }
.reservoir-overlap-body .reservoir-overlap-key { max-width:900px; margin:0 auto; padding:12px 0 11px; border-bottom:1px solid #c6d4cc; color:#334b44; font-size:.9rem; line-height:1.5; }
.reservoir-overlap-key h3 { margin:0 0 9px; color:#123c32; font:650 1rem/1.25 var(--sans); text-align:left; }
.reservoir-overlap-legend { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:7px 18px; margin:0; padding:0; list-style:none; }
.reservoir-overlap-legend li { display:flex; align-items:center; gap:8px; min-width:0; text-align:left; }
.reservoir-overlap-swatch { display:block; flex:none; width:28px; height:13px; border:1.5px solid; }
.reservoir-overlap-swatch.flood { background:#c2e4f4; border-color:#0c5586; }
.reservoir-overlap-swatch.wetland { background:#19854d; border-color:#0e5634; }
.reservoir-overlap-swatch.fen { background:repeating-linear-gradient(135deg,#ffc148 0 5px,#aa5900 5px 7px,#ffc148 7px 11px); border-color:#aa5900; }
.reservoir-overlap-swatch.water { background:#5291b7; border-color:#2b6b94; }
.reservoir-overlap-swatch.dam { background:repeating-linear-gradient(45deg,#ad4d31 0 5px,#572218 5px 7px,#ad4d31 7px 11px); border-color:#572218; }
.reservoir-overlap-swatch.road { background:linear-gradient(to bottom,transparent 43%,#5b5350 43% 58%,transparent 58%); border-color:#c6d4cc; }
.reservoir-overlap-map figcaption p { margin:0; text-align:left; }
.reservoir-overlap-map figcaption .reservoir-overlap-explainer { margin-top:7px; padding-top:9px; border-top:1px solid #c6d4cc; }
.reservoir-overlap-map figcaption .reservoir-overlap-notes { color:#5a6d67; font-size:.82rem; line-height:1.45; }
.reservoir-overlap-dialog :focus-visible { outline:3px solid #bc884e; outline-offset:3px; }
@media(max-width:650px) {
  .reservoir-overlap-dialog { width:calc(100vw - 8px); height:calc(100dvh - 8px); border-radius:4px; }
  .reservoir-overlap-head { min-height:54px; padding:6px 10px 6px 14px; }
  .reservoir-overlap-head button { width:40px; height:40px; }
  .reservoir-overlap-body { padding:7px 4px 14px; }
  .reservoir-overlap-options { width:calc(100% - 8px); margin-bottom:7px; }
  .reservoir-overlap-options button { flex-direction:column; gap:1px; min-height:46px; padding:4px 2px; }
  .reservoir-overlap-options span { width:100%; font-size:.7rem; }
  .reservoir-overlap-map { width:100%; }
  .reservoir-overlap-map figcaption { margin:8px 9px 12px; font-size:.8rem; }
  .reservoir-overlap-expand { font-size:.78rem; }
  .reservoir-overlap-body .reservoir-overlap-key { margin:0 9px; padding:10px 0; font-size:.86rem; }
  .reservoir-overlap-key h3 { font-size:.95rem; }
  .reservoir-overlap-legend { gap:7px 10px; font-size:.76rem; line-height:1.25; }
  .reservoir-overlap-swatch { width:23px; height:12px; }
  .reservoir-overlap-map figcaption .reservoir-overlap-notes { font-size:.78rem; }
}