:root{color-scheme:dark;--bg:#0b1524;--panel:#121e2e;--text:#e3edf8;--muted:#a9bbcf;--border:#2d4158}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font:15px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);display:flex;flex-direction:column}
.page-header{min-height:52px;flex:none;display:grid;grid-template-columns:34px minmax(0,1fr) 120px;align-items:center;gap:12px;padding:8px 18px;background:var(--panel)}
h1{font-size:20px;line-height:1.2;margin:0;font-weight:650;min-width:0}
.brand-link{display:flex;align-items:center;justify-content:center;min-width:0;flex:none;border-radius:3px}
.brand-link img{display:block;max-width:100%;object-fit:contain;height:auto}
.rain-brand img{width:34px;aspect-ratio:1}.envitrace-brand img{width:120px;aspect-ratio:371.44656/95.267632}
main{display:grid;grid-template-columns:minmax(0,1fr) 324px;flex:1;min-height:0;gap:8px;padding:8px}
.map-panel{min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg);overflow:hidden}
#watersheds-map{flex:1;min-height:0;width:100%}
#watersheds-map .hoverlayer{pointer-events:none!important}
.watershed-tooltip{position:fixed;z-index:20;width:260px;max-width:calc(100vw - 16px);padding:10px 12px;background:rgba(18,30,46,.97);color:var(--text);border:1px solid var(--border);border-radius:6px;box-shadow:0 3px 12px #0006;pointer-events:none;user-select:none;font-size:12px;line-height:1.35}
.watershed-tooltip strong{display:block;font-size:13px;margin-bottom:7px;overflow-wrap:anywhere}
.watershed-tooltip dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:4px 10px;margin:0}
.watershed-tooltip dt{color:var(--muted)}
.watershed-tooltip dd{margin:0;text-align:right;overflow-wrap:anywhere}
.basin-legend{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;flex:none;font-size:13px;padding:5px}
.basin-legend span:before{content:"";display:inline-block;width:25px;border-top:3px dashed;margin:0 7px 3px 0}
.upper:before{color:#38b9ed}.lower:before{color:#fe9b2d}
.attribution{font-size:11px;color:var(--muted);text-align:center;flex:none;margin:3px 0 4px}
a{color:#a3d5ff;text-decoration:none}a:hover{text-decoration:underline}
aside{background:var(--panel);border-radius:8px;padding:15px;min-height:0;min-width:0;overflow-y:auto;overflow-x:hidden}
h2{font-size:17px;margin:0 0 10px}h2 span{color:var(--muted);font-size:14px;font-weight:normal}
.help{font-size:13px;color:var(--muted);margin:0 0 13px}
.basin-heading{font-size:13px;color:var(--muted);font-weight:650;margin:14px 0 7px}
.watershed-button{display:block;width:100%;border:0;border-left:5px solid var(--color);border-radius:4px;background:#1b2b40;color:var(--text);text-align:left;padding:8px 10px;margin:6px 0;font:inherit;cursor:pointer}
.watershed-button:hover,.watershed-button.selected{background:#2c4058}
.watershed-name{display:block;font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.watershed-button.has-results{display:flex;align-items:center;gap:8px;margin-bottom:0;border-radius:4px 4px 0 0}
.watershed-button.has-results .watershed-name{flex:1;min-width:0}
.results-ready{flex:none;font-size:10px;font-weight:600;line-height:1.5;letter-spacing:.02em;padding:1px 6px;border-radius:9px;color:#c8bcff;background:#7464aa36}
.watershed-results-link{display:flex;align-items:center;justify-content:space-between;gap:8px;border-left:5px solid var(--color);border-radius:0 0 4px 4px;background:#1b2b40;padding:0 10px 7px;margin:0 0 6px;font-size:11px;color:#c8bcff}
.watershed-results-link:after{content:"↗";font-size:12px}
.watershed-results-link:hover{background:#2c4058}
.watershed-dashboard-views{display:flex;gap:8px;align-items:center;padding:5px 10px 7px;background:#1b2b40;border-left:5px solid var(--color);font-size:12px}
.watershed-dashboard-views a{flex:1;padding:4px 8px;text-align:center;border-radius:3px;background:#2c4058;font-weight:650}
.rain-copyright{flex:none;padding:3px 12px;text-align:center;font-size:11px;line-height:1.3;color:var(--muted);background:var(--panel)}
.rain-copyright a{color:inherit}
.primary-link{display:block;padding:11px;background:#253c52;border-radius:5px;margin:17px 0 12px;font-weight:600;font-size:14px}
.primary-link span{float:right}
button:focus-visible,a:focus-visible{outline:2px solid #a3d5ff;outline-offset:3px}
@media(max-width:700px){.page-header{min-height:46px;grid-template-columns:30px minmax(0,1fr) 98px;gap:8px;padding:7px 10px}h1{font-size:15px}.rain-brand img{width:30px}.envitrace-brand img{width:98px}main{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 230px;gap:5px;padding:5px}aside{padding:10px;display:block}.basin-legend{gap:10px;font-size:11px}.attribution{font-size:10px}.watershed-button{display:block;width:100%;margin:4px 0;padding:7px;font-size:12px}.watershed-name{font-size:12px}.basin-heading{display:block;margin:6px 4px}.primary-link{margin:9px 4px}h2{margin-bottom:4px}.help{margin-bottom:5px}}