/* Fontes carregadas via <link> em base.html: Space Grotesk (UI) + Spline Sans Mono (leituras). */

:root {
  --ink: #0B1E2D;
  --paper: #F4F6F5;
  --paper-raised: #FFFFFF;
  --river: #1B6E86;
  --river-dim: #DCEBEE;
  --slate: #5B6B76;
  --line: rgba(11, 30, 45, 0.12);
  --warning-bg: #FBF1DC;

  --normal: #2E8B74;
  --atencao: #D9A63F;
  --alerta: #E07A3F;
  --emergencia: #C43D3D;
  --sem-dado: #8592A0;

  /* Bezel do cabeçalho: fixo em ambos os temas, como o painel de um instrumento. */
  --header-bg: #0B1E2D;
  --header-fg: #F4F6F5;
  --header-line: #1B6E86;

  --font-ui: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(11, 30, 45, 0.06), 0 4px 16px rgba(11, 30, 45, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #EAF1F3;
    --paper: #0A1620;
    --paper-raised: #122A3A;
    --river: #4FB3C9;
    --river-dim: rgba(79, 179, 201, 0.16);
    --slate: #93A5B0;
    --line: rgba(234, 241, 243, 0.14);
    --warning-bg: #3A2F14;
    --normal: #3FC39C;
    --atencao: #E8BB5C;
    --alerta: #EF9257;
    --emergencia: #F2666B;
    --sem-dado: #7C8B97;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 20px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --ink: #EAF1F3;
  --paper: #0A1620;
  --paper-raised: #122A3A;
  --river: #4FB3C9;
  --river-dim: rgba(79, 179, 201, 0.16);
  --slate: #93A5B0;
  --line: rgba(234, 241, 243, 0.14);
  --warning-bg: #3A2F14;
  --normal: #3FC39C;
  --atencao: #E8BB5C;
  --alerta: #EF9257;
  --emergencia: #F2666B;
  --sem-dado: #7C8B97;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 20px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--paper);
  color: var(--ink);
}

a { color: var(--river); }
h1, h2, h3 { font-family: var(--font-ui); font-weight: 600; margin: 0; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--river);
  outline-offset: 2px;
}

/* Cabeçalho ------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--header-bg);
  color: var(--header-fg);
  padding: 0.85rem 1.25rem;
  border-bottom: 3px solid var(--header-line);
}
.site-header a {
  color: inherit;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.site-header__sub { font-weight: 400; opacity: 0.7; font-size: 0.85em; margin-left: 0.4em; }

.icon-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { background: var(--river-dim); }
.site-header .icon-btn { border-color: rgba(244, 246, 245, 0.35); color: var(--header-fg); }
.site-header .icon-btn:hover { background: rgba(244, 246, 245, 0.15); }

main { padding: 1.25rem clamp(1rem, 4vw, 2rem) 3rem; max-width: 1200px; margin: 0 auto; }

/* Painel de saúde das fontes --------------------------------------------- */

.health-panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 0.5rem;
}
.health-panel summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}
.health-panel summary::-webkit-details-marker { display: none; }
.health-panel summary::after { content: "▾"; margin-left: auto; color: var(--slate); }
.health-panel[open] summary::after { content: "▴"; }
.health-panel__dot { width: 0.6rem; height: 0.6rem; border-radius: 50%; flex: none; }
.health-panel__dot--ok { background: var(--normal); }
.health-panel__dot--bad { background: var(--emergencia); }
.health-panel__count { font-weight: 500; color: var(--emergencia); font-size: 0.8rem; }
.health-panel__table-wrap { overflow-x: auto; }
.health-panel__table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.health-panel__table th, .health-panel__table td { text-align: left; padding: 0.5rem 1rem; border-top: 1px solid var(--line); }
.health-panel__row--bad td { color: var(--emergencia); }

.badge {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  white-space: nowrap;
}
.badge--stale { background: var(--warning-bg); color: var(--atencao); border: 1px solid var(--atencao); }
.badge--unofficial { background: transparent; color: var(--slate); border: 1px solid var(--line); }

.config-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
.config-table th, .config-table td { text-align: left; padding: 0.6rem 1rem; border-top: 1px solid var(--line); }
.config-table__form { display: flex; gap: 0.5rem; align-items: center; }

.warning {
  background: var(--warning-bg);
  border: 1px solid var(--atencao);
  color: var(--ink);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

/* Mapa e régua-assinatura -------------------------------------------------- */

#map {
  height: 420px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

/* Animação de pulso nos marcadores do mapa --------------------------------- */

.marker-pulse-emergencia {
  animation: pulse-emergencia 1.8s infinite ease-in-out;
  transform-origin: center;
}
@keyframes pulse-emergencia {
  0% {
    stroke-width: 2px;
    stroke-opacity: 1;
    fill-opacity: 0.85;
  }
  50% {
    stroke-width: 9px;
    stroke-opacity: 0.35;
    fill-opacity: 1;
  }
  100% {
    stroke-width: 2px;
    stroke-opacity: 1;
    fill-opacity: 0.85;
  }
}

.marker-pulse-alerta {
  animation: pulse-alerta 2.2s infinite ease-in-out;
  transform-origin: center;
}
@keyframes pulse-alerta {
  0% {
    stroke-width: 2px;
    stroke-opacity: 1;
    fill-opacity: 0.85;
  }
  50% {
    stroke-width: 7px;
    stroke-opacity: 0.4;
    fill-opacity: 1;
  }
  100% {
    stroke-width: 2px;
    stroke-opacity: 1;
    fill-opacity: 0.85;
  }
}

/* Tooltip customizado do Leaflet ------------------------------------------ */

.leaflet-tooltip.custom-map-tooltip {
  background: var(--paper-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.82rem;
}
.leaflet-tooltip.custom-map-tooltip::before {
  border-top-color: var(--paper-raised);
}
.map-tooltip__header {
  font-weight: 600;
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  justify-content: space-between;
}
.map-tooltip__municipality {
  font-size: 0.75rem;
  color: var(--slate);
  margin-bottom: 0.35rem;
}
.map-tooltip__basin {
  font-size: 0.75rem;
  color: var(--river);
  font-weight: 500;
  margin-bottom: 0.35rem;
}
.map-tooltip__status {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}
.map-tooltip__status--normal { background: rgba(46, 139, 116, 0.15); color: var(--normal); }
.map-tooltip__status--atencao { background: rgba(217, 166, 63, 0.18); color: var(--atencao); }
.map-tooltip__status--alerta { background: rgba(224, 122, 63, 0.18); color: var(--alerta); }
.map-tooltip__status--emergencia { background: rgba(196, 61, 61, 0.2); color: var(--emergencia); }
.map-tooltip__status--sem_dado { background: rgba(133, 146, 160, 0.18); color: var(--sem-dado); }

.map-tooltip__vars {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-top: 0.2rem;
  border-top: 1px dashed var(--line);
  padding-top: 0.3rem;
}

.gauge-rule {
  height: 14px;
  margin: 0.75rem 0 1.25rem;
  position: relative;
  background-image: repeating-linear-gradient(
    90deg,
    var(--line) 0, var(--line) 1px,
    transparent 1px, transparent 12px
  );
}
.gauge-rule::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--river);
}

/* Banner de Emergência --------------------------------------------------- */

.emergency-banner {
  background: linear-gradient(90deg, var(--emergencia), #A82B2B);
  color: #FFFFFF;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 4px 14px rgba(196, 61, 61, 0.4);
  animation: bannerPulse 2s infinite ease-in-out;
}
@keyframes bannerPulse {
  0% { box-shadow: 0 0 0 0 rgba(196, 61, 61, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(196, 61, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(196, 61, 61, 0); }
}
.emergency-banner__icon {
  font-size: 1.5rem;
}
.emergency-banner__content {
  flex: 1;
  font-size: 0.95rem;
}
.emergency-banner__btn {
  background: #FFFFFF;
  color: var(--emergencia);
  border: none;
  font-weight: 700;
  font-family: var(--font-ui);
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: transform 0.15s ease, background 0.15s ease;
}
.emergency-banner__btn:hover {
  background: #F4F6F5;
  transform: translateY(-1px);
}

/* Skeleton Screens & Shimmer Animation ----------------------------------- */

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.skeleton-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

.skeleton-bar {
  background: var(--line);
  border-radius: 4px;
  height: 0.9rem;
  position: relative;
  overflow: hidden;
}

.skeleton-bar--title { width: 60%; height: 1.1rem; }
.skeleton-bar--meta { width: 40%; height: 0.75rem; }
.skeleton-bar--value { width: 75%; height: 2.2rem; margin: 0.3rem 0; }
.skeleton-bar--spark { width: 100%; height: 28px; }

.skeleton-card::after, .skeleton-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(27, 110, 134, 0.16) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite ease-in-out;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.htmx-indicator {
  opacity: 0;
  transition: opacity 0.2s ease;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
}

/* Toolbar Actions & Refresh Control --------------------------------------- */

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.refresh-control {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 0.2rem 0.35rem 0.2rem 0.6rem;
  border-radius: 999px;
}
.refresh-timer {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
  font-weight: 500;
}
.refresh-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}
.refresh-icon.is-spinning {
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  100% { transform: rotate(360deg); }
}

.icon-btn--notify-active {
  background: rgba(217, 166, 63, 0.2) !important;
  border-color: var(--atencao) !important;
}

/* Dashboard Toolbar & Filtros --------------------------------------------- */

.dashboard-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.dashboard-toolbar__row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dashboard-toolbar__row--filters {
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
}

.filter-group__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--slate);
  flex: none;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  opacity: 0.6;
  pointer-events: none;
}
.search-box input[type="search"] {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2.2rem;
  background: var(--paper-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-box input[type="search"]:focus {
  outline: none;
  border-color: var(--river);
  box-shadow: 0 0 0 3px var(--river-dim);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--paper-raised);
  color: var(--slate);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-pill:hover {
  color: var(--ink);
  background: var(--river-dim);
}
.filter-pill--active {
  background: var(--river);
  color: #ffffff !important;
  border-color: var(--river);
  font-weight: 600;
}
.filter-pill--critical:not(.filter-pill--active) {
  border-color: rgba(196, 61, 61, 0.4);
  color: var(--emergencia);
}

.view-toggle {
  display: flex;
  gap: 0.25rem;
}
.view-toggle .icon-btn--active {
  background: var(--river-dim);
  border-color: var(--river);
  color: var(--river);
}

/* Visão em Tabela Compacta ------------------------------------------------ */

#cards.cards-view-table .basin-group__cards {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#cards.cards-view-table .card {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  gap: 1rem;
}

#cards.cards-view-table .card__head {
  flex: 1;
  min-width: 150px;
}

#cards.cards-view-table .card__meta {
  min-width: 120px;
}

#cards.cards-view-table .card__value {
  margin: 0;
  font-size: 1.4rem;
}

#cards.cards-view-table .sparkline,
#cards.cards-view-table .card__threshold,
#cards.cards-view-table .card__trend {
  display: none;
}

/* Cards ------------------------------------------------------------------- */

#cards {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.basin-group__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
}
.basin-group__count {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--slate);
}
.basin-group__icon { font-size: 0.95em; }
.basin-group__toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--slate);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  padding: 0;
}
.basin-group__toggle:hover { background: var(--river-dim); color: var(--ink); }
.basin-group__chevron {
  display: inline-block;
  transition: transform 0.2s ease;
  font-size: 0.85rem;
  line-height: 1;
}
.basin-group.is-collapsed .basin-group__chevron { transform: rotate(-90deg); }
.basin-group.is-collapsed .basin-group__cards { display: none; }
.basin-group.is-collapsed .basin-group__title { margin-bottom: 0; border-bottom-color: transparent; }

.card__icon { margin-right: 0.3rem; }
.basin-group__cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background-color: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 6px solid var(--sem-dado);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.card.status-normal { border-left-color: var(--normal); }
.card.status-atencao { border-left-color: var(--atencao); background-image: linear-gradient(180deg, rgba(217, 166, 63, 0.10), transparent 55%); }
.card.status-alerta { border-left-color: var(--alerta); background-image: linear-gradient(180deg, rgba(224, 122, 63, 0.12), transparent 55%); }
.card.status-emergencia { border-left-color: var(--emergencia); background-image: linear-gradient(180deg, rgba(196, 61, 61, 0.13), transparent 55%); }
.card.status-sem_dado { border-left-color: var(--sem-dado); }

.card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.card__head h2 { font-size: 1rem; }
.card__meta { font-size: 0.8rem; color: var(--slate); margin: 0; }

.card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1;
  margin: 0.4rem 0 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}
.card__unit { font-size: 0.95rem; font-weight: 500; color: var(--slate); }
.card__novalue { font-family: var(--font-ui); font-size: 1.1rem; color: var(--slate); }
.trend { font-size: 1.1rem; margin-left: auto; }
.trend--up { color: var(--emergencia); }
.trend--down { color: var(--normal); }
.trend--flat { color: var(--slate); }

.card__threshold { font-size: 0.78rem; color: var(--slate); margin: 0; min-height: 1em; }

.sparkline { display: block; width: 100%; height: 30px; margin: 0.2rem 0; }
.sparkline polyline.spark-area { fill: var(--river); opacity: 0.14; stroke: none; }
.sparkline polyline.spark-line { fill: none; stroke: var(--river); stroke-width: 2; vector-effect: non-scaling-stroke; }

.card__trend { font-size: 0.82rem; color: var(--ink); margin: 0; min-height: 1.1em; }
.card__foot { display: flex; flex-direction: column; gap: 0.1rem; font-size: 0.75rem; color: var(--slate); margin: 0.15rem 0 0; }
.card__link { font-size: 0.82rem; font-weight: 600; margin-top: 0.35rem; text-decoration: none; }
.card__link:hover { text-decoration: underline; }

.empty-state { color: var(--slate); font-style: italic; }

/* Drawer -------------------------------------------------------------- */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 30, 45, 0.45);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.drawer-overlay.is-open { opacity: 1; visibility: visible; }

.drawer {
  /* Panes internos do Leaflet (tiles/marker/popup) usam z-index ate ~700 e nao
     ficam contidos por stacking context (o .leaflet-container so tem position:
     relative, sem z-index proprio) - preciso ficar acima disso. */
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(380px, 92vw);
  background: var(--paper-raised);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 24px rgba(11, 30, 45, 0.18);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.25s ease, visibility 0.25s ease;
}
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.drawer__head h2 { font-size: 1.05rem; }
.drawer__body { padding: 1rem 1.1rem; overflow-y: auto; }
.drawer__body .card { box-shadow: none; margin-bottom: 0.75rem; }
.drawer__body .card:last-child { margin-bottom: 0; }
.drawer__empty { color: var(--slate); font-style: italic; font-size: 0.9rem; }

/* Menu de navegação lateral - mesma mecânica do drawer de detalhe da
   estação, mas abre pela esquerda para se diferenciar visualmente de um
   painel contextual (drawer da estação, à direita). */
.drawer--left {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid var(--line);
  box-shadow: 8px 0 24px rgba(11, 30, 45, 0.18);
  transform: translateX(-100%);
}
.drawer--left.is-open { transform: translateX(0); }

.nav-drawer__body { padding: 0.6rem; display: flex; flex-direction: column; gap: 0.2rem; }
.nav-drawer__link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-drawer__link:hover { background: var(--river-dim); }
.nav-drawer__link--active { background: var(--river-dim); color: var(--river); font-weight: 600; }

/* Detalhe da estação ---------------------------------------------------- */

.detail-back { display: inline-block; margin-bottom: 0.5rem; font-size: 0.85rem; text-decoration: none; }
.detail-section {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.detail-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}
.detail-section h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
}

.chart-toggles {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.chart-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--slate);
  cursor: pointer;
  user-select: none;
}
.chart-toggle__input { accent-color: var(--river); cursor: pointer; }

/* min-height (não height fixo) evita um salto de layout antes do uPlot
   carregar, sem arriscar cortar conteúdo que cresça além do valor do plot. */
.chart { min-height: 300px; position: relative; }

/* Tooltip que acompanha o cursor sobre os pontos do gráfico - substitui a
   legenda padrão do uPlot (escondida via legend: {show:false}). */
.chart-tooltip {
  position: absolute;
  z-index: 20;
  pointer-events: none;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 0.4rem 0.65rem;
  font-family: var(--font-ui);
  white-space: nowrap;
}
.chart-tooltip__time { font-size: 0.72rem; color: var(--slate); }
.chart-tooltip__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.time-range-selector {
  display: inline-flex;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.time-range-btn {
  background: transparent;
  border: none;
  color: var(--slate);
  padding: 0.25rem 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.time-range-btn:hover {
  color: var(--ink);
  background: var(--river-dim);
}
.time-range-btn--active {
  background: var(--river);
  color: #ffffff !important;
  font-weight: 600;
}

/* Responsivo ---------------------------------------------------------------- */

@media (max-width: 880px) {
  .dashboard-toolbar { gap: 0.6rem; }
  .search-box { flex-basis: 100%; }
  .filter-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.2rem;
    -webkit-overflow-scrolling: touch;
  }
  .filter-pill { flex: none; }
}

@media (max-width: 640px) {
  main { padding: 1rem 0.85rem 2.5rem; }
  #map { height: 300px; }
  .basin-group__cards { grid-template-columns: 1fr; }
  .card__value { font-size: 1.8rem; }
  .config-table-wrap { overflow-x: auto; }
  .emergency-banner { flex-wrap: wrap; }
  .emergency-banner__btn { margin-left: auto; }
  .drawer {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: min(78vh, 560px);
    border-left: none;
    border-top: 1px solid var(--line);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
  }
  .drawer.is-open { transform: translateY(0); }
}

@media (max-width: 420px) {
  .site-header__sub { display: none; }
  .site-header { padding: 0.75rem 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}