/* Data space: visible hierarchy, current-state graphics and generous readouts. */
.ob-data-upgrade .ob-summary { gap: 16px; margin: 24px 0 38px; }
.ob-data-upgrade .ob-stat { display: flex; flex-direction: column; position: relative; min-width: 0; min-height: 250px; padding: 21px 22px 16px; border-radius: 17px; overflow: hidden; border-color: #dbe5df; box-shadow: 0 7px 22px #224b3510; transition: transform .2s ease,box-shadow .2s ease; }
.ob-data-upgrade .ob-stat:hover { transform: translateY(-4px); box-shadow: 0 13px 30px #21483719; }
.ob-data-upgrade .ob-stat-top { color: #527265; font-size: 12px; font-weight: 500; }
.ob-data-upgrade .ob-stat-icon { width: 34px; height: 34px; border-radius: 11px; background: #e7f0e8; color: #628a71; }
.ob-kpi-main { display: flex; align-items: center; gap: 13px; margin: 12px 0 8px; min-height: 72px; position: relative; }
.ob-kpi-main > strong { color: #1d5141; font: 600 58px/1 Manrope,sans-serif; letter-spacing: -3px; font-variant-numeric: tabular-nums; }
.ob-kpi-main > span { color: #5b7a69; font-size: 11px; line-height: 1.6; }
.ob-kpi-main > span > small { color: #7b9384; font-size: 9px; line-height: 1.9; }
.ob-kpi-caption { color: #6e8777; font-size: 10px; line-height: 1.7; margin: 2px 0 9px; }
.ob-kpi-action { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 0 0; margin-top: auto; font-size: 10px; font-weight: 500; border: 0; border-top: 1px solid #2c5d4218; border-radius: 0; background: transparent; color: #2b6550; text-align: left; }
.ob-kpi-action:hover { color: #124336; }
.ob-data-upgrade .ob-kpi-network { background: radial-gradient(ellipse at 100% 0,#3b6c5e 0,transparent 64%),#183e3b; border-color: #2b5349; }
.ob-kpi-network:before { content: ''; position: absolute; right: -45px; top: -70px; width: 200px; height: 200px; border: 1px solid #aee1c619; border-radius: 50%; box-shadow: 0 0 0 25px #aee1c607,0 0 0 50px #aee1c604; pointer-events: none; }
.ob-data-upgrade .ob-kpi-network .ob-stat-top { color: #c4e4d3; }
.ob-data-upgrade .ob-kpi-network .ob-stat-icon { background: #ffffff0c; color: #a7d9be; border: 1px solid #c3ead516; }
.ob-kpi-network .ob-kpi-main > strong { color: #e8f7e8; }
.ob-kpi-network .ob-kpi-main > span { color: #c1d9c6; }
.ob-kpi-network .ob-kpi-main > span > small,.ob-kpi-network .ob-kpi-caption { color: #a2c7b3; }
.ob-kpi-network .ob-kpi-action { color: #d1eddb; border-color: #ffffff1c; }
.ob-kpi-nodes { display: flex; align-items: center; gap: 0; position: relative; margin: 4px 0 9px; width: 100%; min-height: 20px; }
.ob-kpi-nodes:before { position: absolute; content: ''; inset: 50% 5px auto; height: 1px; background: #9ed0b448; }
.ob-kpi-nodes > i { width: 14px; height: 14px; border: 2px solid #9bcdb2; background: #23483e; border-radius: 50%; position: relative; z-index: 1; margin-right: auto; }
.ob-kpi-nodes > i:last-child { margin-right: 0; }
.ob-kpi-nodes > i.measured { background: #bde9bf; box-shadow: 0 0 0 4px #bbeac519; border-color: #d1f4d1; }
.ob-kpi-nodes > i.estimated { border-style: dashed; }
.ob-data-upgrade .ob-kpi-fresh { background: linear-gradient(145deg,#f4fbf4,#e7f3e8); border-color: #cfdfd1; }
.ob-kpi-ring { width: 61px; height: 61px; padding: 5px; margin-left: auto; flex-shrink: 0; border-radius: 50%; background: conic-gradient(#588d70 var(--ob-progress),#d5e4d6 0); transform: rotate(-90deg); }
.ob-kpi-ring > span { display: grid; place-content: center; grid-auto-flow: column; align-items: baseline; width: 100%; height: 100%; border-radius: 50%; background: #edf7ed; font: 550 17px/1 Manrope,sans-serif; color: #457655; transform: rotate(90deg); }
.ob-kpi-ring small { font-size: 9px; margin-left: 1px; }
.ob-kpi-fresh .ob-kpi-main { gap: 9px; }
.ob-kpi-fresh .ob-kpi-main > span { font-size: 10px; }
.ob-kpi-fresh .ob-kpi-caption { margin-top: 22px; }
.ob-data-upgrade .ob-kpi-attention { background: linear-gradient(145deg,#fffcf4,#fbefda); border-color: #e9daba; }
.ob-data-upgrade .ob-kpi-attention .ob-stat-top { color: #8b7446; }
.ob-data-upgrade .ob-kpi-attention .ob-stat-icon { background: #f3e4c4; color: #a48745; }
.ob-kpi-attention .ob-kpi-main > strong { color: #9a7838; }
.ob-kpi-attention .ob-kpi-main > span { color: #99815b; }
.ob-kpi-attention .ob-kpi-action { color: #8b6d35; border-color: #b4965c29; }
.ob-kpi-levels { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 10px; height: 55px; margin-bottom: 10px; }
.ob-kpi-levels > div { position: relative; display: flex; justify-content: flex-end; flex-direction: column; align-items: center; padding-top: 10px; }
.ob-kpi-levels i { width: 100%; height: calc(var(--ob-bar-height) * .46); min-height: 2px; max-height: 25px; border-radius: 4px 4px 1px 1px; background: var(--ob-bar-color); }
.ob-kpi-levels b { font-size: 8px; font-weight: 500; color: #a18d63; margin-bottom: 3px; }
.ob-kpi-levels small { font: 8px/1.5 'JetBrains Mono',monospace; color: #a18d63; margin-top: 4px; }
.ob-data-upgrade .ob-kpi-pending { background: #fbfcfa; border-color: #dde4df; }
.ob-kpi-pending .ob-kpi-main > strong { color: #577366; }
.ob-kpi-availability { display: flex; gap: 5px; height: 19px; margin: 5px 0 10px; }
.ob-kpi-availability > i { flex: 1; border-radius: 4px; background: #d4e4d4; border: 1px solid #c5d9c8; }
.ob-kpi-availability > i.pending { background: repeating-linear-gradient(135deg,#eeeae1,#eeeae1 4px,#ddd9cc 4px,#ddd9cc 6px); border-color: #d2c8b4; }
.ob-data-upgrade .ob-network { padding: 26px 26px 24px; margin-bottom: 22px; border: 1px solid #dce5dc; border-radius: 18px; background: linear-gradient(130deg,#eef3e9,#f8faf5 70%); scroll-margin-top: 20px; }
.ob-data-upgrade .ob-section-heading { margin-bottom: 22px; }
.ob-data-upgrade .ob-section-heading .ob-eyebrow { display: block; margin-bottom: 8px; font-size: 9px; letter-spacing: 1.5px; }
.ob-data-upgrade .ob-section-heading h2 { font-size: 23px; font-weight: 550; letter-spacing: -.7px; margin-bottom: 6px; }
.ob-data-upgrade .ob-section-heading p { font-size: 11px; color: #738171; }
.ob-network-count { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; white-space: nowrap; color: #698268; background: #e8efdf; padding: 8px 11px; border-radius: 20px; border: 1px solid #dbe7cf; }
.ob-data-upgrade .ob-station-tabs { gap: 12px; margin-bottom: 0; }
:root body.observatory-interface .ob-data-upgrade .river-node.ob-station-tab { display: flex; align-items: stretch; flex-direction: column; gap: 0; min-width: 0; padding: 17px; border: 1px solid #dde5d9; border-radius: 12px; background: #ffffffb3; transition: background .2s,transform .2s,box-shadow .2s; text-align: left; }
:root body.observatory-interface .ob-data-upgrade .river-node.ob-station-tab:hover { transform: translateY(-3px); border-color: #aac9ae; box-shadow: 0 7px 15px #2c54300b; }
:root body.observatory-interface .ob-data-upgrade .river-node.ob-station-tab.selected { background: #244b40; border-color: #244b40; box-shadow: 0 8px 18px #284d3420; }
.ob-station-top { display: flex; align-items: center; gap: 8px; margin-bottom: 13px; }
.ob-data-upgrade .ob-station-symbol { width: 36px; height: 36px; background: #edf2e8; border: 1px solid #e0e8db; border-radius: 11px; color: #6f8c6c; }
.ob-station-index { margin-left: auto; font: 10px 'JetBrains Mono',monospace; color: #9dac97; }
.ob-station-viewing { color: #c7e9cc; font-size: 8px; }
.ob-data-upgrade .selected .ob-station-symbol { background: #ffffff0c; border-color: #afdab321; color: #b0dbbb; }
.ob-data-upgrade .selected .ob-station-index { display: none; }
:root body.observatory-interface .ob-data-upgrade .ob-station-tab strong { font-size: 17px; letter-spacing: -.3px; font-weight: 600; color: #2e5040; }
:root body.observatory-interface .ob-data-upgrade .ob-station-tab small { font-size: 10px; margin-top: 4px; color: #869480; }
:root body.observatory-interface .ob-data-upgrade .ob-station-tab.selected strong { color: #edf5e9; }
:root body.observatory-interface .ob-data-upgrade .ob-station-tab.selected .ob-station-name small { color: #b0cbb4; }
.ob-data-upgrade .ob-tab-status { display: block; margin-left: 0; margin-top: 12px; border-top: 1px solid #c4d3bd4a; padding-top: 10px; }
:root body.observatory-interface .ob-data-upgrade .ob-tab-status .badge { width: auto; height: auto; padding: 0; font-size: 10px; overflow: visible; white-space: normal; gap: 5px; background: transparent; }
:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge { color: #e0d49c !important; }
:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge.level-0 { color: #b6e6c2 !important; }
:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge.level-2 { color: #f5bd86 !important; }
:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge.level-3,:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge.level-4 { color: #f7aea4 !important; }
:root body.observatory-interface .ob-data-upgrade .selected .ob-tab-status .badge.level-null { color: #c8d0c8 !important; }
:root body.observatory-interface .ob-data-upgrade .river-observatory.ob-live-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 34px; }
:root body.observatory-interface .ob-data-upgrade .river-observatory-map { border-radius: 17px; box-shadow: 0 4px 18px #294d3407; }
:root body.observatory-interface .ob-data-upgrade .river-workspace { padding: 24px; }
:root body.observatory-interface .ob-data-upgrade .river-header { margin-bottom: 21px; }
:root body.observatory-interface .ob-data-upgrade .river-header h3 { font-size: 24px; line-height: 1.5; margin: 3px 0; }
:root body.observatory-interface .ob-data-upgrade .river-header p { font-size: 11px; }
:root body.observatory-interface .ob-data-upgrade .river-instruction { font-size: 10px; }
:root body.observatory-interface .ob-data-upgrade .map-segment button,:root body.observatory-interface .ob-data-upgrade #map-fullscreen { min-height: 36px; font-size: 10px; padding: 7px 12px; }
:root body.observatory-interface .ob-data-upgrade #geographic-map { height: 420px !important; }
:root body.observatory-interface .ob-data-upgrade .expanded #geographic-map { height: calc(100vh - 250px) !important; }
:root body.observatory-interface .ob-data-upgrade .river-canvas { border-radius: 12px; }
:root body.observatory-interface .ob-data-upgrade .river-footer { margin-top: 14px; }
:root body.observatory-interface .ob-data-upgrade .river-stations { gap: 9px; margin-top: 12px; }
:root body.observatory-interface .ob-data-upgrade .river-station { padding: 10px 12px; background: #f6f8f2; border-radius: 8px; }
:root body.observatory-interface .ob-data-upgrade .river-station strong { font-size: 12px; }
:root body.observatory-interface .ob-data-upgrade .river-station small { font-size: 9px; }
:root body.observatory-interface .ob-data-upgrade .map-disclaimer { padding: 10px 12px; margin-top: 12px; font-size: 10px; width: 100%; max-width: none; }
:root body.observatory-interface .ob-data-upgrade .station-instrument { grid-row: auto; padding: 27px; border: 1px solid #dce5dc; background: #eef3ec; border-radius: 18px; }
.ob-measurement-header { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; align-items: center; margin-bottom: 25px; }
.ob-data-upgrade .ob-instrument-heading { justify-content: flex-start; gap: 10px; }
.ob-selected-code { font: 9px 'JetBrains Mono',monospace; padding: 4px 7px; background: #dde8db; border: 1px solid #cddbca; border-radius: 4px; color: #6a8163; }
:root body.observatory-interface .ob-data-upgrade .station-instrument h2 { font-size: 25px; letter-spacing: -.7px; margin: 9px 0 12px; line-height: 1.5; }
:root body.observatory-interface .ob-data-upgrade .instrument-selector { margin: 0; max-width: 360px; }
:root body.observatory-interface .ob-data-upgrade .instrument-selector .form-control { font-size: 12px; min-height: 40px; background: #f8faf5; }
:root body.observatory-interface .ob-data-upgrade .hydro-hero { padding: 17px 20px; margin: 0; background: #fffcf3; border: 1px solid #e4dbc3; border-radius: 12px; }
:root body.observatory-interface .ob-data-upgrade .hydro-hero > .badge { font-size: 16px; }
:root body.observatory-interface .ob-data-upgrade .hydro-hero > p { font-size: 12px; margin: 8px 0; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin-bottom: 0; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric { padding: 20px; position: relative; min-height: 188px; border: 1px solid #dde6dc; border-radius: 13px; background: #fff; box-shadow: 0 3px 12px #29492c03; transition: transform .18s,box-shadow .18s; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric:hover { transform: translateY(-3px); box-shadow: 0 8px 20px #294c3010; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-icon { width: 30px; height: 30px; position: absolute; top: 17px; right: 16px; margin: 0; border-radius: 9px; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-label { font-size: 12px; font-weight: 500; min-height: 32px; padding-right: 23px; color: #708570; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-value { font-size: 38px; letter-spacing: -1.3px; line-height: 1.4; margin: 9px 0 3px; color: #274e3c; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-unit { font-size: 10px; white-space: nowrap; letter-spacing: 0; color: #82917d; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-source { font-size: 10px; color: #8a9683; margin-top: 5px; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-spark { height: 34px; margin-top: 9px; color: #79a582; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-note,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-quality { font-size: 10px; line-height: 1.7; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] { background: linear-gradient(135deg,#24574c,#183e3b); border-color: #2c5b4a; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-value { color: #eef7e8; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-label { color: #c2dec9; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-unit,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-source,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-note,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-quality { color: #b1cdb9; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-icon { background: #c4e2c713; color: #c3e9d2; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="DO"] .metric-spark { color: #a3d6b1; }
:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric[data-parameter="NH4"] { background: #e0ecdc; border-color: #cbdcc5; }
.ob-measurement-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 23px; border-top: 1px solid #d5e0d0; padding-top: 19px; }
:root body.observatory-interface .ob-data-upgrade .instrument-provenance { border: 0; padding: 0; margin: 0; display: flex; justify-content: flex-start; gap: 35px; font-size: 10px; }
:root body.observatory-interface .ob-data-upgrade .instrument-provenance strong { font-size: 12px; color: #5c7554; padding-left: 21px; margin-top: 5px; }
:root body.observatory-interface .ob-data-upgrade .instrument-detail { width: auto; min-width: 210px; padding: 11px 16px; margin: 0; gap: 25px; background: #244d3e; color: #e2f1de; border: 1px solid #244d3e; border-radius: 8px; }
:root body.observatory-interface .ob-data-upgrade .river-analysis { grid-template-columns: minmax(0,1.9fr) minmax(0,1fr); gap: 22px; margin-bottom: 30px; align-items: stretch; }
:root body.observatory-interface .ob-data-upgrade .analysis-trend { padding: 26px; border-radius: 17px; }
:root body.observatory-interface .ob-data-upgrade .analysis-heading h2 { font-size: 21px; font-weight: 550; letter-spacing: -.6px; }
:root body.observatory-interface .ob-data-upgrade #overview-chart-parameter { min-height: 38px; font-size: 11px; }
.ob-chart-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; padding: 17px 0; border-top: 1px solid #e6ede2; border-bottom: 1px solid #e6ede2; margin-bottom: 8px; }
.ob-chart-stats > div { border-right: 1px solid #e6ede2; }
.ob-chart-stats > div:last-child { border-right: 0; }
.ob-chart-stats span { font-size: 10px; color: #8c9983; display: block; }
.ob-chart-stats strong { display: block; font: 550 24px/1.5 Manrope,sans-serif; color: #496441; margin-top: 5px; letter-spacing: -.5px; }
.ob-chart-stats small { font-family: 'Be Vietnam Pro',sans-serif; font-size: 9px; font-weight: 400; margin-left: 5px; letter-spacing: 0; color: #8a9581; }
.ob-chart-sample-note { font-size: 9px; color: #86927e; margin: 10px 0 16px; }
:root body.observatory-interface .ob-data-upgrade .data-context { padding: 27px; position: relative; overflow: hidden; background: radial-gradient(ellipse at 100% 0,#426853 0,transparent 66%),#264c3c; border: 1px solid #36583e; border-radius: 17px; color: #d9e6ce; }
.ob-data-upgrade .ob-context-heading { color: #b8d4ad; font-size: 9px; letter-spacing: 1.2px; margin-bottom: 23px; }
:root body.observatory-interface .ob-data-upgrade .data-context h2 { font-size: 26px; font-weight: 500; line-height: 1.4; color: #eff4df; margin-bottom: 12px; }
:root body.observatory-interface .ob-data-upgrade .data-context > p { font-size: 11px; color: #bdd1b4; line-height: 1.9; margin-bottom: 23px; }
.ob-data-coverage { display: flex; gap: 13px; align-items: center; }
.ob-data-coverage > strong { font: 500 49px/1.3 Manrope,sans-serif; letter-spacing: -2px; color: #edf3d9; }
.ob-data-coverage small { font-size: 20px; letter-spacing: -.5px; margin-left: 3px; }
.ob-data-coverage > span { font-size: 10px; line-height: 1.8; color: #bad0ad; }
.ob-data-progress { height: 5px; background: #6d956239; border-radius: 5px; overflow: hidden; margin: 12px 0 21px; }
.ob-data-progress > i { display: block; height: 100%; background: #bad29a; border-radius: 5px; }
:root body.observatory-interface .ob-data-upgrade .context-row { font-size: 10px; padding: 13px 0; color: #b2c8a5; border-color: #b4d39920; }
:root body.observatory-interface .ob-data-upgrade .context-row strong { font-size: 10px; color: #e3ecd1; }
.ob-data-upgrade .ob-context-link { font-size: 11px; color: #dfedc7; margin-top: 24px; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison { border-radius: 17px; padding-top: 28px; overflow: hidden; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison .analysis-heading { padding: 0 27px 9px; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison table { font-size: 12px; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison th { font-size: 11px; padding: 15px 22px; background: #eff4e9; color: #708466; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison td { padding: 19px 22px; font-size: 15px; font-family: Manrope,sans-serif; font-variant-numeric: tabular-nums; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison td:first-child strong { display: inline-flex; min-width: 49px; padding: 5px 9px; border: 1px solid #dfe9d6; border-radius: 6px; font: 550 12px 'Be Vietnam Pro',sans-serif; background: #f3f7ed; color: #5d7750; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison .badge { font-size: 10px; font-family: 'Be Vietnam Pro',sans-serif; }
:root body.observatory-interface .ob-data-upgrade .fleet-comparison .table-footer { padding: 16px 27px; }
@media (max-width: 1180px) {
    .ob-data-upgrade .ob-summary { gap: 12px; }
    .ob-data-upgrade .ob-stat { padding: 17px 15px 15px; }
    .ob-data-upgrade .ob-stat-top { font-size: 10px; }
    .ob-kpi-main > strong { font-size: 52px; }
    .ob-kpi-main > span { font-size: 9px; }
    .ob-kpi-main { gap: 9px; }
    .ob-kpi-fresh .ob-kpi-main > span { display: none; }
    .ob-kpi-ring { width: 54px; height: 54px; }
    .ob-kpi-action,.ob-kpi-caption { font-size: 9px; }
    .ob-data-upgrade .ob-network { padding: 22px; }
    :root body.observatory-interface .ob-data-upgrade .river-node.ob-station-tab { padding: 13px; }
    :root body.observatory-interface .ob-data-upgrade .ob-station-tab small { font-size: 9px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric { padding: 16px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-value { font-size: 33px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-label { font-size: 11px; padding-right: 25px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-icon { right: 12px; width: 25px; height: 25px; }
    :root body.observatory-interface .ob-data-upgrade .river-analysis { grid-template-columns: minmax(0,1.5fr) minmax(0,1fr); }
    :root body.observatory-interface .ob-data-upgrade .analysis-heading { flex-wrap: wrap; }
}
@media (max-width: 800px) {
    .ob-data-upgrade .ob-summary { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .ob-data-upgrade .ob-stat { padding: 21px; min-height: 250px; }
    .ob-data-upgrade .ob-stat-top { font-size: 12px; }
    .ob-kpi-main > strong { font-size: 57px; }
    .ob-kpi-main > span { font-size: 11px; }
    .ob-kpi-fresh .ob-kpi-main > span { display: block; font-size: 10px; }
    .ob-kpi-ring { width: 62px; height: 62px; }
    .ob-kpi-action,.ob-kpi-caption { font-size: 10px; }
    .ob-measurement-header { gap: 20px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings { grid-template-columns: repeat(2,minmax(0,1fr)); }
    :root body.observatory-interface .ob-data-upgrade .river-analysis { grid-template-columns: 1fr; }
    .ob-measurement-footer { align-items: flex-start; }
    :root body.observatory-interface .ob-data-upgrade .instrument-provenance { flex-direction: column; gap: 13px; }
}
@media (max-width: 600px) {
    .ob-data-upgrade .ob-summary { gap: 10px; margin: 20px 0 28px; }
    .ob-data-upgrade .ob-stat { min-height: 235px; padding: 15px 14px 14px; border-radius: 13px; }
    .ob-data-upgrade .ob-stat-top { font-size: 10px; gap: 4px; align-items: flex-start; }
    .ob-data-upgrade .ob-stat-icon { width: 27px; height: 27px; border-radius: 8px; flex-shrink: 0; }
    .ob-data-upgrade .ob-stat-icon svg { width: 16px; }
    .ob-kpi-main { gap: 8px; margin: 14px 0 9px; min-height: 65px; }
    .ob-kpi-main > strong { font-size: 49px; }
    .ob-kpi-main > span { font-size: 9px; }
    .ob-kpi-main > span > small { display: none; }
    .ob-kpi-fresh .ob-kpi-main > span { display: none; }
    .ob-kpi-ring { width: 53px; height: 53px; padding: 4px; }
    .ob-kpi-ring > span { font-size: 14px; }
    .ob-kpi-caption,.ob-kpi-action { font-size: 9px; line-height: 1.7; }
    .ob-kpi-levels { gap: 6px; }
    .ob-data-upgrade .ob-network { padding: 20px 16px; border-radius: 14px; }
    .ob-data-upgrade .ob-section-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
    .ob-data-upgrade .ob-section-heading h2 { font-size: 21px; line-height: 1.5; }
    .ob-data-upgrade .ob-section-heading p { line-height: 1.8; }
    .ob-data-upgrade .ob-station-tabs { display: flex; overflow-x: auto; gap: 10px; padding-bottom: 8px; }
    :root body.observatory-interface .ob-data-upgrade .river-node.ob-station-tab { flex: 0 0 158px; padding: 16px; }
    :root body.observatory-interface .ob-data-upgrade .river-workspace { padding: 17px; }
    :root body.observatory-interface .ob-data-upgrade .river-header { flex-wrap: wrap; align-items: flex-start; gap: 14px; }
    :root body.observatory-interface .ob-data-upgrade .river-header h3 { font-size: 21px; }
    :root body.observatory-interface .ob-data-upgrade #geographic-map { height: 320px !important; }
    :root body.observatory-interface .ob-data-upgrade .river-stations { gap: 6px; }
    :root body.observatory-interface .ob-data-upgrade .river-station { padding: 7px 5px; }
    :root body.observatory-interface .ob-data-upgrade .river-station strong { font-size: 10px; }
    :root body.observatory-interface .ob-data-upgrade .river-station small { display: none; }
    :root body.observatory-interface .ob-data-upgrade .station-instrument { padding: 18px; }
    .ob-measurement-header { grid-template-columns: 1fr; gap: 17px; }
    :root body.observatory-interface .ob-data-upgrade .station-instrument h2 { font-size: 23px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-selector .form-control { min-height: 44px; max-width: none; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings { gap: 10px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric { min-height: 170px; padding: 14px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-icon { width: 22px; height: 22px; top: 12px; right: 10px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-label { font-size: 10px; padding-right: 15px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-value { font-size: 30px; margin-top: 11px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-unit { font-size: 8px; white-space: normal; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-source,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-note,:root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-quality { font-size: 9px; }
    .ob-measurement-footer { flex-direction: column; gap: 18px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-provenance { flex-direction: row; flex-wrap: wrap; gap: 16px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-provenance strong { font-size: 10px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-detail { width: 100%; min-height: 44px; }
    :root body.observatory-interface .ob-data-upgrade .analysis-trend { padding: 19px; }
    :root body.observatory-interface .ob-data-upgrade .analysis-heading h2 { font-size: 19px; }
    .ob-chart-stats { gap: 11px; }
    .ob-chart-stats strong { font-size: 21px; }
    .ob-chart-stats small { display: block; margin-left: 0; }
    .ob-chart-sample-note { font-size: 9px; line-height: 1.8; }
    :root body.observatory-interface .ob-data-upgrade .fleet-comparison .analysis-heading { padding: 0 19px 9px; }
    :root body.observatory-interface .ob-data-upgrade .fleet-comparison td { padding: 16px; font-size: 14px; }
    :root body.observatory-interface .ob-data-upgrade .fleet-comparison th { padding: 13px 16px; }
}
@media (max-width: 360px) {
    .ob-data-upgrade .ob-stat { padding: 14px 11px; }
    .ob-data-upgrade .ob-stat-top { font-size: 9px; }
    .ob-kpi-main > strong { font-size: 44px; }
    .ob-kpi-main > span { font-size: 8px; }
    .ob-kpi-ring { width: 46px; height: 46px; }
    .ob-kpi-action { font-size: 8px; }
    .ob-kpi-action svg { width: 12px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric { padding: 12px; }
    :root body.observatory-interface .ob-data-upgrade .instrument-readings .metric-value { font-size: 27px; }
}
@media (prefers-reduced-motion: reduce) {
    .ob-data-upgrade *, .ob-data-upgrade *:before { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}