:root{color-scheme:dark;--bg:#0b1220;--panel:#111d2e;--line:#26364b;--muted:#93a4bc;--text:#e6edf5;--accent:#67d3e6}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{line-height:1.5}a{color:var(--accent)}button,input,select{font:inherit}a,button,input,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(24px,calc((100vw - 1240px) / 2));border-bottom:1px solid var(--line);background:var(--bg)}.title{font-size:22px;letter-spacing:-.5px}.title b{color:var(--accent);font-weight:500}.main-nav{font-size:14px;color:var(--line)}.main-nav a{color:var(--muted);text-decoration:none;margin:0 10px}.main-nav a:hover{color:var(--text)}body>section{width:100%;padding:0}.reservoir-page{max-width:1440px;margin:auto;padding:24px 24px 48px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;color:var(--accent);font-weight:700;margin:0 0 10px}.reservoir-toolbar{display:flex;align-items:center;gap:16px;margin:30px 0 20px}.data-status{display:flex;align-items:center;gap:20px;justify-content:space-between;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.data-status p{margin:0;color:var(--muted);font-size:13px}.data-status button{background:transparent;color:var(--accent);border:1px solid var(--line);border-radius:8px;padding:9px 13px;cursor:pointer;flex-shrink:0}.data-status button:disabled{opacity:.6;cursor:wait}.card-measured-at,.card-source{color:var(--muted);font-size:11px}.card-content .card-source{font-size:10px}.history-readings{margin-top:24px;overflow-x:auto}.history-readings summary{cursor:pointer;color:var(--accent)}.history-readings table{width:100%;border-collapse:collapse;margin-top:16px}.history-readings td,.history-readings th{padding:10px;text-align:left;border-bottom:1px solid var(--line)}.reservoir-toolbar label{font-size:13px;color:var(--muted)}input,select{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:11px 14px;border-radius:8px}.reservoir-toolbar input{max-width:360px;flex:1 1;min-width:100px}.reservoir-toolbar>span{margin-left:auto;font-size:13px;color:var(--muted)}.reservoir-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));grid-gap:14px;gap:14px}.reservoir-card{position:relative;isolation:isolate;overflow:hidden;min-height:170px;background:var(--panel);color:var(--text);text-align:left;border:1px solid var(--line);border-radius:14px;padding:20px;cursor:pointer;transition:border-color .15s,transform .15s}.reservoir-card:hover{transform:translateY(-2px);border-color:#567087}.reservoir-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.card-water{position:absolute;inset:auto 0 0;opacity:.13;z-index:-1}.card-content{display:flex;flex-direction:column;gap:12px}.card-name{font-size:15px;font-weight:600}.card-content strong{font-size:29px;letter-spacing:-1px}.card-content small{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:0}.status-label{font-size:11px;color:#bac7d8;display:flex;align-items:center;gap:7px}i{display:inline-block;width:7px;height:7px;border-radius:50%;flex-shrink:0}.reservoir-detail{min-width:0}.reading-summary{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:16px}.reading-summary p{color:var(--muted);font-size:12px;margin:0}.history-link{font-size:13px;text-decoration:none;padding:10px 14px;border:1px solid var(--line);border-radius:8px;flex-shrink:0}.detail-facts{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px;margin:18px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.detail-facts div{display:flex;flex-direction:column;gap:7px}.detail-facts span{font-size:12px;color:var(--muted)}.detail-facts strong{font-size:14px;font-weight:500}.navigation-note{color:var(--muted);font-size:13px}.navigation-note i{margin-right:8px}.selected-water{position:relative;height:clamp(440px,70svh,760px);overflow:hidden;border-radius:18px;isolation:isolate;scroll-margin-top:16px;background:#202020}.selected-water .chart-container{height:100%;width:100%;position:relative}.selected-water .chart-container:before{content:"";position:absolute;inset:0 0 auto;height:190px;background:linear-gradient(#0b1220b3,transparent);pointer-events:none}.chart-heading{position:absolute;top:30px;left:32px;right:32px;z-index:1;text-shadow:0 1px 5px #000}.chart-heading h1,.empty-water h1{font-size:clamp(32px,4vw,48px);line-height:1.2;letter-spacing:-1px;margin:0}.chart-reservoir-selector{-webkit-appearance:none;-moz-appearance:none;appearance:none;max-width:100%;padding:0 38px 4px 0;border:0;border-bottom:1px solid #ffffff55;border-radius:0;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23e6edf5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat 100%;color:var(--text);font:inherit;letter-spacing:inherit;cursor:pointer}.chart-reservoir-selector:hover{color:var(--accent);border-bottom-color:var(--accent)}.chart-reservoir-selector option{background:var(--panel);color:var(--text);font-size:16px}.chart-level{position:absolute;z-index:1;bottom:30px;left:32px;margin:0;font-size:clamp(68px,8vw,116px);font-weight:600;line-height:1;letter-spacing:-5px;color:#fff;text-shadow:0 2px 20px #0b12204d;pointer-events:none}.chart-level span{font-size:clamp(16px,2vw,24px);font-weight:400;letter-spacing:0}.small-text{font-size:12px;color:#bac7d8;font-weight:400}.selected-water canvas{width:100%;height:100%}.empty-water{padding:30px 32px}.empty-water .empty-reading{margin-top:100px;font-size:28px}.reservoir-catalog{margin-top:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.reservoir-catalog summary{padding:20px 0;cursor:pointer;font-size:14px}.reservoir-catalog summary span{margin-left:8px;color:var(--muted);font-size:12px}.reservoir-catalog[open]{padding-bottom:24px}.reservoir-catalog .reservoir-toolbar{margin-top:8px}.color-legend{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--muted);font-size:11px;margin-top:26px}.navigation-footnote{font-size:12px;color:var(--muted);max-width:850px}.history-container{max-width:1288px;margin:auto;padding:36px 24px}.history-title{font-size:30px;letter-spacing:-1px}.history-container form{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}.history-container p{color:var(--muted);font-size:13px}.history-container button{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:7px;padding:10px 14px;cursor:pointer}.history-chart-section{padding:20px 0;width:100%}.loading{text-align:center;padding:40px;color:var(--muted)}@media (max-width:600px){.data-status{align-items:flex-start;flex-direction:column;gap:12px}header{padding:16px;gap:8px}.title{font-size:18px}.main-nav{font-size:12px}.main-nav a{margin:0 4px}.reservoir-page{padding:12px 12px 32px}.reservoir-toolbar{flex-wrap:wrap;gap:8px}.reservoir-toolbar label{width:100%}.reservoir-toolbar input{max-width:none}.reservoir-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.reservoir-card{min-height:154px;padding:14px}.card-content strong{font-size:24px}.status-label{font-size:10px}.detail-facts{grid-template-columns:1fr;gap:18px}.history-link{font-size:12px;padding:8px}.selected-water{height:clamp(380px,65svh,580px);border-radius:12px}.chart-heading{top:24px;left:20px;right:20px}.chart-level{bottom:24px;left:20px;font-size:clamp(48px,12vw,72px);letter-spacing:-2px}.empty-water{padding:24px 20px}.history-container{padding:24px 16px}}