:root{color:#172422;background:#f4f7f3;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#2d8bb81f,#f4f7f300 280px),#f4f7f3}button{font:inherit}.app-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.eyebrow{margin:0 0 6px;color:#58706b;font-size:.76rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(2rem,4vw,4rem);line-height:1}h2{margin-bottom:0;font-size:1.15rem}.icon-button{display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid #cad7d4;border-radius:8px;color:#172422;background:#fff;cursor:pointer}.icon-button:disabled{cursor:wait;opacity:.7}.dashboard-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:18px}.primary-panel,.chart-panel,.river-list{border:1px solid #d8e1df;border-radius:8px;background:#ffffffdb;box-shadow:0 18px 45px #17242214}.primary-panel,.chart-panel{padding:22px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.condition-pill,.status-dot{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;font-size:.78rem;font-weight:800;white-space:nowrap}.condition-pill.good{color:#0b513e;background:#cdeee0}.condition-pill.too_low{color:#675118;background:#f4e7b7}.condition-pill.pushy{color:#763f14;background:#f2d1b2}.condition-pill.blown_out{color:#7f1d1d;background:#f4c4c4}.condition-pill.unknown{color:#35423f;background:#dbe3e1}.condition-pill.small{min-height:26px;justify-content:center}.status-dot{color:#0b513e;background:#d6efe6}.status-dot.sample{color:#675118;background:#f4e7b7}.hero-reading{display:flex;align-items:center;gap:18px;margin:52px 0;color:#1f789d}.hero-reading span{display:block;color:#172422;font-size:clamp(4.5rem,13vw,8.5rem);font-weight:900;line-height:.88}.hero-reading p{margin:8px 0 0;color:#58706b;font-weight:800}.metric-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metric{min-height:96px;padding:14px;border:1px solid #d8e1df;border-radius:8px;background:#f9fbfa}.metric p{margin-bottom:12px;color:#58706b;font-size:.8rem;font-weight:800}.metric strong{display:flex;align-items:baseline;gap:5px;font-size:1.55rem}.metric strong span{color:#58706b;font-size:.8rem}.river-list{margin-top:18px;padding:0;overflow:hidden}.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 20px;border-bottom:1px solid #d8e1df}.section-heading{display:flex;align-items:center;gap:10px}.section-title h2{font-size:1rem}.region-filters{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.filter-chip{min-height:32px;padding:0 12px;border:1px solid #cad7d4;border-radius:8px;color:#415551;background:#fff;cursor:pointer}.filter-select{min-height:32px;padding:0 34px 0 10px;border:1px solid #cad7d4;border-radius:8px;color:#415551;background:#fff}.filter-chip:hover,.filter-chip.selected{border-color:#2d8bb8;color:#123845;background:#edf7f4}.river-table{display:grid}.river-row{display:grid;grid-template-columns:minmax(150px,1fr) 120px 110px 120px;align-items:center;gap:16px;width:100%;min-height:64px;padding:0 20px;border:0;border-bottom:1px solid #e7eeec;color:inherit;text-align:left;background:transparent;cursor:pointer;transition:background-color .16s ease,box-shadow .16s ease}.river-row:hover{background:#f5faf8}.river-row:focus-visible{outline:3px solid rgba(45,139,184,.32);outline-offset:-3px}.river-row.selected{background:#edf7f4;box-shadow:inset 4px 0 #2d8bb8}.river-row:last-child{border-bottom:0}.river-row span{color:#415551}.river-name-cell{display:grid;gap:4px}.river-name-cell small{color:#58706b;font-size:.78rem;line-height:1.35}.empty-row{margin:0;padding:22px 20px;color:#58706b;border-bottom:1px solid #e7eeec}@media(max-width:820px){.dashboard-grid{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column}.region-filters{justify-content:flex-start}.metric-row,.river-row{grid-template-columns:1fr}.river-row{align-items:start;gap:8px;padding:16px 20px}}@media(max-width:560px){.app-shell{width:min(100% - 20px,1180px);padding-top:18px}.primary-panel,.chart-panel{padding:16px}.panel-heading{align-items:flex-start;flex-direction:column}.hero-reading{margin:34px 0}.hero-reading span{font-size:4rem}}