:root { color-scheme: light; --ink: #18212b; --muted: #51606e; --line: #d4dbe1; --surface: #ffffff; --canvas: #f4f6f7; --blue: #175b91; --blue-soft: #e6f1fa; --red: #a61b1b; --red-soft: #fceaea; --amber: #875700; --amber-soft: #fff4d6; --green: #176b52; --green-soft: #e3f4ec; --focus: #005fcc; }
      * { box-sizing: border-box; }
      html, body { max-width: 100%; overflow-x: clip; }
      body { background: var(--canvas); color: var(--ink); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-variant-numeric: tabular-nums; line-height: 1.5; margin: 0; }
      :focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
      .sr-only { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; white-space: nowrap; width: 1px; }
      .skip-link { background: var(--surface); border: 2px solid var(--focus); border-radius: .35rem; color: var(--ink); font-weight: 700; left: 1rem; min-height: 2.75rem; padding: .55rem .8rem; position: fixed; top: 1rem; transform: translateY(-200%); z-index: 10; }
      .skip-link:focus { transform: translateY(0); }
      .topbar { background: #102a3e; color: #fff; padding: .8rem max(1rem, calc((100% - 76rem) / 2)); }
      .topbar-inner, main { margin: 0 auto; max-width: 76rem; }
      .topbar-inner { align-items: center; display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between; }
      .topbar p { margin: 0; }
      .brand { font-size: 1.05rem; letter-spacing: -.01em; }
      .source { color: #d5e7f5; font-size: .92rem; }
      .connection { align-items: center; display: inline-flex; font-size: .92rem; gap: .45rem; }
      .connection-icon { background: #64d3a2; border-radius: 50%; display: inline-block; flex: 0 0 auto; height: .6rem; width: .6rem; }
      .connection-partial .connection-icon { background: #f2bd55; border-radius: .15rem; transform: rotate(45deg); }
      .connection-unavailable .connection-icon { background: #f0b4b4; border-radius: .1rem; }
      main { display: grid; gap: 1rem; padding: 1.25rem 1rem 2.5rem; }
      main > * { min-width: 0; }
      .operational-summary, .panel { background: var(--surface); border: 1px solid var(--line); border-radius: .75rem; box-shadow: 0 1px 2px rgb(24 33 43 / .05); }
      .operational-summary { display: grid; gap: .75rem; padding: .875rem; }
      .operational-summary[data-level="high"] { background: var(--red-soft); border-color: var(--red); }
      .operational-summary[data-level="attention"] { background: var(--amber-soft); border-color: var(--amber); }
      .operational-summary[data-level="lowering"] { background: var(--green-soft); border-color: var(--green); }
      .operational-summary[data-level="stable"] { background: var(--blue-soft); border-color: var(--blue); }
      .dashboard-tabs { min-width: 0; }
      .dashboard-tabs [role="tablist"] { background: #eef2f4; border: 1px solid var(--line); border-radius: .5rem; display: flex; gap: 0; overflow-x: auto; scrollbar-gutter: stable; white-space: nowrap; }
      .dashboard-tabs [role="tab"] { align-items: center; color: var(--muted); display: inline-flex; flex: 0 0 auto; font-weight: 700; justify-content: center; min-height: 2.75rem; padding: .45rem .8rem; text-decoration: none; transition: background-color 180ms ease, color 180ms ease; }
      .dashboard-tabs [role="tab"][aria-selected="true"] { background: var(--surface); box-shadow: inset 0 -3px 0 var(--blue); color: var(--blue); }
      .dashboard-tabs [role="tab"]:focus-visible { outline-offset: .2rem; }
      .summary-head { display: grid; gap: .75rem; grid-template-columns: minmax(0, 1fr) auto; }
      .cockpit-signals { background: var(--line); border: 1px solid var(--line); border-radius: .625rem; display: grid; gap: 1px; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(12rem, .6fr); margin: 0; overflow: hidden; }
      .rain-comparison { background: var(--surface); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); min-width: 0; }
      .rain-comparison .signal + .signal { border-left: 1px solid var(--line); }
      .signal { background: var(--surface); min-width: 0; padding: .75rem; }
      .signal-label { color: var(--muted); display: block; font-size: .82rem; font-weight: 700; line-height: 1.3; }
      .signal-value { display: block; font-size: clamp(1.75rem, 3vw, 2.3rem); letter-spacing: -.045em; line-height: 1.08; margin-top: .25rem; }
      .signal-unit { color: var(--muted); font-size: .48em; font-weight: 650; letter-spacing: 0; }
      .rain-track { background: #e4e9ed; border-radius: 999px; display: block; height: .375rem; margin-top: .65rem; overflow: hidden; }
      .rain-track i { background: var(--blue); border-radius: inherit; display: block; height: 100%; transition: width 180ms ease; width: var(--rain-value); }
      .rain-comparison .rain-signal + .rain-signal .rain-track i { background: var(--amber); }
      .source-state, .river-location, .river-warning, .river-trend { color: var(--muted); display: block; font-size: .8rem; font-weight: 500; line-height: 1.35; margin-top: .35rem; }
      .river-signal { min-width: 12rem; }
      .river-location { font-weight: 700; }
      .river-warning { color: var(--amber); }
      .source-current { margin: .25rem 0 0; }
      .source-current dd { font-size: 2rem; line-height: 1.08; }
      .source-segments { display: grid; gap: .25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: .75rem; }
      .source-segment { background: #dfe5e9; border-radius: 999px; display: block; height: .375rem; transition: background-color 180ms ease; }
      .source-segment.is-active { background: var(--green); }
      .eyebrow, .context-label { color: var(--muted); font-size: .88rem; font-weight: 700; letter-spacing: 0; margin: 0 0 .25rem; text-transform: none; }
      .operational-summary .eyebrow { color: inherit; }
      h1, h2, p { margin-top: 0; }
      h1 { font-size: 2.25rem; letter-spacing: -.035em; line-height: 1.08; margin-bottom: .65rem; }
      h2 { font-size: 1.2rem; letter-spacing: -.015em; margin-bottom: 0; }
      .status-line { align-items: center; display: flex; gap: .75rem; }
      .status-icon { align-items: center; background: color-mix(in srgb, currentColor 12%, transparent); border: 1px solid currentColor; border-radius: 50%; display: inline-flex; font-size: 1.4rem; font-weight: 800; height: 2.5rem; justify-content: center; width: 2.5rem; }
      .status-label { font-size: 1.15rem; font-weight: 800; }
      .situation-copy { color: var(--muted); margin-bottom: 0; max-width: 55ch; }
      .next-update { align-self: center; border-left: 1px solid var(--line); padding-left: 1rem; }
      .next-update strong { display: block; font-size: 1.65rem; letter-spacing: -.03em; }
      .next-update p:last-child { color: var(--muted); font-size: .9rem; margin-bottom: 0; }
      .panel { padding: 1.25rem; }
      .panel-heading { align-items: start; display: flex; gap: 1rem; justify-content: space-between; margin-bottom: 1.25rem; }
      .panel-note { color: var(--muted); font-size: .9rem; margin: .15rem 0 0; text-align: right; }
      .chart { min-height: 19rem; position: relative; width: 100%; }
      .chart-fallback { align-items: center; background: var(--surface); color: var(--muted); display: flex; inset: 0; margin: 0; padding: 1.5rem; position: absolute; z-index: 2; }
      .chart-fallback[hidden] { display: none; }
      .chart-controls { align-items: end; display: flex; flex-wrap: wrap; gap: .75rem 1rem; margin-bottom: .5rem; }
      .chart-controls > div { flex: 1 1 16rem; max-width: 100%; min-width: 0; }
      .chart-controls select { min-width: 0; width: 100%; }
      .forecast-controls { margin-bottom: .5rem; max-width: 32rem; min-width: 0; }
      .forecast-controls select { min-width: 0; width: 100%; }
      .station-select-label { color: var(--muted); display: block; font-size: .9rem; font-weight: 700; margin-bottom: .35rem; }
      select { background: var(--surface); border: 1px solid #8a98a4; border-radius: .4rem; color: var(--ink); font: inherit; max-width: 100%; min-height: 2.75rem; padding: .45rem .6rem; }
      .network-summary dl { display: grid; gap: .75rem; grid-template-columns: repeat(3, 1fr); margin: 0; }
      .network-summary dl div { background: #f7f9fa; border: 1px solid var(--line); padding: .85rem 1rem; }
      .assessment-summary { display: grid; gap: .75rem; grid-template-columns: repeat(4, 1fr); margin: 0; }
      .assessment-summary div { background: #f7f9fa; border: 1px solid var(--line); padding: .85rem 1rem; }
      .assessment-summary dd { font-size: 1.05rem; letter-spacing: -.01em; }
      .assessment-reasons { margin-top: 1.25rem; }
      .assessment-reasons h3 { font-size: 1rem; margin: 0 0 .4rem; }
      .assessment-reasons ul { margin: 0; padding-left: 1.25rem; }
      .assessment-caveat, .chart-explanation { color: var(--muted); font-size: .9rem; margin: 1rem 0 0; }
      dt { color: var(--muted); font-size: .9rem; } dd { font-size: 1.5rem; font-weight: 750; letter-spacing: -.03em; margin: .1rem 0 0; }
      .table-scroll { max-width: 100%; overflow-x: auto; }
      .agreement-label { font-size: 1.08rem; font-weight: 750; margin-bottom: .35rem; }
      .muted { color: var(--muted); }
      .location-warning { background: var(--amber-soft); border: 1px solid #c9982d; border-radius: .35rem; color: #604000; font-weight: 750; margin: 0; padding: .4rem .65rem; }
      .river-values { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
      .river-values > div { border-bottom: 1px solid var(--line); padding: .8rem .5rem; }
      .river-values dd { font-size: 1.15rem; }
      .river-values small { color: var(--muted); display: block; font-size: .82rem; font-weight: 500; }
      .source-health ul { list-style: none; margin: 0; padding: 0; }
      .source-health li { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: .5rem 1rem; grid-template-columns: minmax(12rem, 1fr) repeat(2, minmax(10rem, 1fr)); padding: .75rem 0; }
      .source-health li:last-child { border-bottom: 0; }
      .source-health li > span, tbody th small { overflow-wrap: anywhere; }
      .health-state { align-items: center; display: flex; gap: .45rem; }
      .health-state > span { align-items: center; border: 1px solid currentColor; border-radius: 50%; display: inline-flex; height: 1.6rem; justify-content: center; width: 1.6rem; }
      .forecast-key { display: flex; flex-wrap: wrap; gap: 1rem; margin: .5rem 0 1rem; }
      .forecast-key span { align-items: center; display: inline-flex; gap: .45rem; }
      .forecast-key i { display: inline-block; height: .8rem; width: 2rem; }
      .key-observed { border-top: 3px solid var(--blue); }
      .key-forecast { border-top: 3px dashed var(--amber); }
      .key-previous { border-top: 2px dotted var(--muted); }
      .forecast-observed-note { color: var(--muted); font-size: .9rem; margin: .35rem 0 0; }
      caption { color: var(--muted); padding: .5rem 0; text-align: left; }
      table { border-collapse: collapse; min-width: 42rem; width: 100%; } th, td { border-bottom: 1px solid var(--line); padding: .8rem .7rem; text-align: left; vertical-align: top; } thead th { color: var(--muted); font-size: .82rem; font-weight: 750; white-space: nowrap; } tbody th { font-weight: 700; } tbody th small { color: var(--muted); display: block; font-weight: 500; margin-top: .1rem; } tbody tr:last-child > * { border-bottom: 0; }
      .trend { border-radius: 999px; display: inline-block; font-size: .82rem; font-weight: 700; padding: .2rem .55rem; white-space: nowrap; } .trend-subindo { background: var(--amber-soft); color: #704a00; } .trend-baixando { background: var(--green-soft); color: #13533f; } .trend-estável { background: var(--blue-soft); color: #164c78; } .trend-dados-insuficientes { background: #e9edf0; color: #43505b; }
      .empty-state { color: var(--muted); margin-bottom: 0; }
      .disclaimer { color: var(--muted); font-size: .9rem; margin: 0; }
      @media (max-width: 64rem) { .cockpit-signals { grid-template-columns: minmax(0, 1fr) minmax(12rem, .6fr); } .rain-comparison { grid-column: 1 / -1; } }
      @media (max-width: 58rem) { .assessment-summary { grid-template-columns: repeat(2, 1fr); } }
      @media (max-width: 44rem) { .chart-controls { align-items: stretch; flex-direction: column; } .chart-controls > div { flex-basis: auto; width: 100%; } .topbar { padding: .5rem 1rem; } .topbar-inner { align-items: center; flex-direction: row; gap: .375rem .75rem; } .source { flex-basis: 100%; font-size: .82rem; line-height: 1.35; } main { gap: .75rem; padding: .75rem 1rem 2.5rem; } .operational-summary { gap: .625rem; padding: .75rem; } .panel-heading { align-items: start; flex-direction: column; } .summary-head { gap: .5rem; grid-template-columns: 1fr; } .status-line { gap: .5rem; } .status-line h1 { margin-bottom: 0; } .status-icon { flex: 0 0 auto; font-size: 1.2rem; height: 2.25rem; width: 2.25rem; } .situation-copy { font-size: .92rem; line-height: 1.35; } .agreement-label { font-size: .95rem; line-height: 1.35; margin-bottom: 0; } .cockpit-signals { grid-template-columns: 1fr; } .rain-comparison { grid-column: auto; } .signal { padding: .625rem; } .signal-value { font-size: 1.75rem; } .signal .source-state { color: var(--muted); display: block; font-size: .8rem; font-weight: 500; letter-spacing: 0; line-height: 1.35; margin-top: .2rem; } h1 { font-size: 1.65rem; } .next-update { align-items: center; border-left: 0; border-top: 1px solid var(--line); display: grid; gap: .15rem .75rem; grid-template-columns: auto 1fr; padding: .5rem 0 0; } .next-update .eyebrow { margin: 0; } .next-update strong { font-size: 1.35rem; } .next-update p:last-child { grid-column: 1 / -1; line-height: 1.35; } .panel-note { text-align: left; } .network-summary dl, .assessment-summary, .river-values { grid-template-columns: 1fr; } .source-health li { align-items: start; grid-template-columns: 1fr; } .chart { min-height: 17rem; } }
      @media (max-width: 22.5rem) { .rain-comparison { grid-template-columns: 1fr; } .rain-comparison .signal + .signal { border-left: 0; border-top: 1px solid var(--line); } }
      @media (prefers-reduced-motion: no-preference) { .connection-current .connection-icon { animation: pulse 2s ease-in-out infinite; } } @keyframes pulse { 50% { opacity: .45; transform: scale(.78); } }
      @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; } }