:root{color-scheme:dark;--bg:#07151b;--panel:#0b2029;--panel2:#0e2933;--line:#173c48;--text:#f4fbfc;--muted:#91a9b1;--water:#4fd1c5;--water2:#8be9df;--rise:#ff6b5e;--fall:#43d17d;--steady:#70b7ff;--unknown:#a9bdc4;--danger:#ff7d72;--radius:18px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#07151b 0,#081a21 45%,#07151b 100%);color:var(--text);min-height:100vh}button,input,select,textarea{font:inherit}.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(18px + env(safe-area-inset-top)) 18px 12px;position:sticky;top:0;background:rgba(7,21,27,.92);backdrop-filter:blur(14px);z-index:20;border-bottom:1px solid rgba(255,255,255,.05)}h1,h2,h3,p{margin-top:0}.topbar h1{font-size:24px;margin:2px 0 0}.eyebrow,.summary-kicker{font-size:11px;letter-spacing:.14em;color:var(--water2);font-weight:800}.icon-button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:24px}.icon-button.spinning{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}main{max-width:980px;margin:0 auto;padding:16px 14px calc(98px + env(safe-area-inset-bottom))}.view{display:none}.view.active{display:block}.source-banner{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:12px;font-size:13px;background:var(--panel)}.source-banner.ok{border-color:rgba(79,209,197,.35);color:#c8fff8}.source-banner.error{border-color:rgba(255,125,114,.35);color:#ffd1cc}.pulse-ribbon{display:block;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}.pulse-ribbon::-webkit-scrollbar{display:none}.route-label{display:flex;justify-content:space-between;min-width:870px;padding:0 8px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.12em}.pulse-track{display:flex;gap:0;min-width:max-content;padding:44px 0 10px;position:relative}.pulse-track::before{content:"";position:absolute;top:20px;left:72px;right:72px;height:4px;border-radius:999px;background:linear-gradient(90deg,#52d1c5,#70b7ff);box-shadow:0 0 14px rgba(79,209,197,.4)}.pulse-node{position:relative;z-index:1;min-width:145px;padding:16px 12px 14px;background:linear-gradient(180deg,#0f2c36,#0b2029);border-top:1px solid #1b5260;border-bottom:1px solid #1b5260}.pulse-node:first-child{border-radius:18px 0 0 18px;border-left:1px solid #1b5260}.pulse-node:last-child{border-radius:0 18px 18px 0;border-right:1px solid #1b5260}.pulse-node:not(:last-child)::after{display:none}.surge-marker{position:absolute;top:-43px;left:50%;transform:translateX(-50%);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#081b22;border:3px solid currentColor;box-shadow:0 0 0 5px #07151b}.surge-marker .trend span:last-child{display:none}.surge-marker .trend-arrow{font-size:24px}.pulse-name{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pulse-value{font-size:25px;font-weight:750;margin:3px 0}.trend{display:flex;gap:7px;align-items:center;font-size:12px;font-weight:900;letter-spacing:.06em}.trend-arrow{display:inline-block;font-size:20px;line-height:1;transform:rotate(var(--trend-angle));transform-origin:center;transition:transform .2s ease}.trend.rising{color:var(--rise)}.trend.falling{color:var(--fall)}.trend.steady{color:var(--steady)}.trend.unknown{color:var(--unknown)}.health-badge{display:inline-flex;align-items:center;width:max-content;border-radius:999px;padding:3px 7px;font-size:9px;line-height:1.2;font-weight:900;letter-spacing:.1em;border:1px solid currentColor}.health-badge.current{color:#6ee7b7}.health-badge.delayed{color:#f3b34d}.health-badge.stale,.health-badge.missing{color:#ff7d72}.station-time{font-size:11px;color:var(--muted);line-height:1.45;margin-top:7px}.station-time strong{color:#dcebed;font-weight:700}.flow-reading,.station-secondary{font-size:11px;color:#b8cbd0;margin-top:5px}.cache-warning{margin-top:7px;color:#ffb0a8;font-size:10px;font-weight:800}.summary-panel{padding:20px;border:1px solid var(--line);background:radial-gradient(circle at 80% 0,rgba(79,209,197,.12),transparent 45%),var(--panel);border-radius:var(--radius);margin:4px 0 22px}.summary-panel h2{font-size:22px;margin:5px 0 8px}.summary-panel p{color:var(--muted);margin:0;line-height:1.45}.section-heading{display:flex;justify-content:space-between;align-items:end;margin:22px 2px 10px}.section-heading h2,.section-heading h3{margin:0}.text-button{border:0;background:none;color:var(--water2);font-weight:700}.station-list{display:grid;gap:10px}.station-card{display:grid;grid-template-columns:1fr auto;gap:10px;padding:15px 16px;border:1px solid var(--line);border-radius:16px;background:var(--panel);cursor:pointer}.station-card.health-delayed{border-color:rgba(243,179,77,.6)}.station-card.health-stale,.station-card.health-missing{border-color:rgba(255,125,114,.72);background:linear-gradient(135deg,rgba(255,125,114,.08),var(--panel) 45%)}.station-card:active{transform:scale(.995)}.station-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.station-card-head h2{margin-bottom:8px}.station-title{font-weight:760}.station-meta{font-size:12px;color:var(--muted);margin-top:4px}.station-reading{text-align:right;min-width:145px}.station-reading .trend{justify-content:flex-end;margin-top:4px}.station-level{font-size:24px;font-weight:760}.station-rate{font-size:12px;margin-top:3px}.sparkline{grid-column:1/-1;height:36px;width:100%;opacity:.95}.muted{color:var(--muted);font-size:13px}.compact{margin-bottom:10px}.map-shell{height:58vh;min-height:360px;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--panel);position:relative}.map-shell #map{height:100%;width:100%}.map-fallback{position:absolute;inset:0;display:grid;place-items:center;padding:30px;text-align:center;color:var(--muted)}.hidden{display:none!important}.maturity-card{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);background:var(--panel);padding:16px;border-radius:16px;margin-bottom:12px}.maturity-card strong{display:block;font-size:22px;margin-top:4px}.maturity-count{font-size:12px;color:var(--water2)}.calibration-form{display:grid;gap:12px;margin-top:18px}.calibration-form label{display:grid;gap:6px;font-size:13px;color:#d8e6e9}.calibration-form input,.calibration-form select,.calibration-form textarea{width:100%;border:1px solid var(--line);background:#061319;color:var(--text);padding:12px;border-radius:12px}.primary-button{border:0;border-radius:12px;background:var(--water);color:#032127;font-weight:850;padding:13px 16px}.history-list{display:grid;gap:8px;margin-top:18px}.history-item{padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.history-item strong{display:block}.history-item small{color:var(--muted)}.settings-card{display:flex;justify-content:space-between;gap:18px;padding:15px 2px;border-bottom:1px solid var(--line);font-size:14px}.settings-card span{color:var(--muted)}.settings-card strong{text-align:right}.notice{margin-top:20px;padding:15px;border-radius:14px;background:rgba(243,179,77,.08);border:1px solid rgba(243,179,77,.25);font-size:13px;color:#f9deb0;line-height:1.45}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);padding:8px 8px calc(8px + env(safe-area-inset-bottom));background:rgba(6,17,22,.95);backdrop-filter:blur(18px);border-top:1px solid var(--line)}.nav-item{display:grid;place-items:center;gap:2px;background:none;border:0;color:var(--muted);padding:5px 2px}.nav-item span{font-size:22px;line-height:1}.nav-item small{font-size:10px}.nav-item.active{color:var(--water2)}dialog{width:min(680px,calc(100vw - 24px));border:1px solid var(--line);border-radius:20px;background:#081b22;color:var(--text);padding:20px}dialog::backdrop{background:rgba(0,0,0,.72)}.dialog-close{float:right;border:0;background:none;color:var(--muted);font-size:30px}.detail-level{font-size:40px;font-weight:800;margin:8px 0}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.detail-grid>div{display:grid;gap:4px;padding:11px;border-radius:12px;background:#061319;border:1px solid var(--line)}.detail-grid span,.detail-grid small{font-size:11px;color:var(--muted)}.detail-grid strong{font-size:13px}.chart{width:100%;height:170px;border-radius:12px;background:#061319;border:1px solid var(--line)}@media(max-width:580px){.detail-grid{grid-template-columns:1fr}.station-card{grid-template-columns:1fr}.station-reading{text-align:left}.station-reading .trend{justify-content:flex-start}.route-label{min-width:870px}}@media(min-width:760px){main{padding:24px 24px 110px}.station-list{grid-template-columns:repeat(2,1fr)}.pulse-node{min-width:170px}.bottom-nav{left:50%;right:auto;transform:translateX(-50%);width:min(640px,94vw);border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0}.map-shell{height:620px}}