.nav-link {
  display: block;
  text-decoration: none;
  border: 0;
  color: #d7e4e8;
  text-align: left;
  padding: 12px;
  border-radius: 8px;
}

.active-link {
  background: rgba(255,255,255,.12);
  color: #fff;
}

.disabled-link {
  opacity: .45;
}

.period-bar {
  display: flex;
  gap: 8px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.period-button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 20px;
  cursor: pointer;
}

.active-period {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.analytics-grid {
  display: grid;
  grid-template-columns:
    repeat(4,minmax(180px,1fr));
  gap: 18px;
  margin-top: 18px;
}

.analytics-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.analytics-label {
  color: var(--muted);
  font-size: 14px;
}

.analytics-value {
  font-size: 30px;
  font-weight: 700;
  margin-top: 12px;
}

.analytics-value small {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

.analytics-detail {
  color: var(--muted);
  font-size: 13px;
  margin-top: 7px;
}

.analytics-table-wrap {
  overflow-x: auto;
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
}

.analytics-table th,
.analytics-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.analytics-table th:first-child,
.analytics-table td:first-child {
  text-align: left;
}

.balance-block {
  margin-top: 24px;
}

.balance-label {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 9px;
}

.balance-bar {
  height: 12px;
  display: flex;
  overflow: hidden;
  border-radius: 8px;
  background: #e8eef0;
}

.balance-fill {
  height: 100%;
  width: 0;
  transition: width .3s;
}

.balance-one {
  background: #197889;
}

.balance-two {
  background: #76a9b3;
}

.balance-values {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
}

.wash-summary {
  display: grid;
  grid-template-columns:
    repeat(4,1fr);
  gap: 20px;
}

.wash-summary strong {
  display: block;
  font-size: 24px;
  margin-top: 6px;
}

.analytics-wash-panel {
  margin-top: 16px;
}

.wash-source-label {
  margin-top: 12px;
}

.wash-state-error {
  color: #9d3c32;
}

:root {
  --chart-f1: #075985; --chart-f2: #0284c7; --chart-q1: #1d4ed8; --chart-q2: #06b6d4;
  --chart-p1: #4f46e5; --chart-p2: #64748b; --chart-temperature: #7c3aed;
  --chart-wash: #0891b2; --chart-pump-1: #1e40af; --chart-pump-2: #06b6d4;
  --chart-success: #0f766e; --chart-warning: #b45309; --chart-danger: #b91c1c;
}

.analytics-tabs {
  display: flex;
  gap: 6px;
  margin: 16px 0;
  overflow-x: auto;
  padding-bottom: 3px;
  flex-wrap: nowrap;
  scrollbar-width: thin;
}

.analytics-tab,
.analytics-custom-period .period-button {
  border: 1px solid var(--line, #d7e1e4);
  border-radius: 8px;
  padding: 8px 12px;
  background: #fff;
  color: var(--text, #18343a);
  cursor: pointer;
  white-space: nowrap;
}

.analytics-tab.active {
  border-color: #1b9aaa;
  background: #1b9aaa;
  color: #fff;
}

.analytics-custom-period {
  display: flex;
  align-items: end;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px;
  border: 1px solid var(--line, #d7e1e4);
  border-radius: 10px;
  background: #fff;
}

.analytics-custom-period label {
  display: grid;
  gap: 4px;
  color: var(--muted, #637b81);
  font-size: 12px;
}

.analytics-custom-period input {
  padding: 7px 8px;
  border: 1px solid var(--line, #d7e1e4);
  border-radius: 6px;
}

.wash-skeleton {
  display: inline-block;
  width: 46px;
  height: 20px;
  border-radius: 5px;
  background: linear-gradient(90deg, #e8edf0 25%, #f7f9fa 50%, #e8edf0 75%);
  background-size: 200% 100%;
  animation: wash-skeleton-shimmer 1.2s linear infinite;
}

.wash-summary-extended { margin-top: 10px; }
.wash-warning { margin-top: 14px; padding: 12px 14px; border-left: 4px solid var(--chart-warning); background: #fff8e8; color: #6b4b16; border-radius: 8px; line-height: 1.45; }
.wash-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.wash-chart { border: 1px solid var(--line); border-radius: 10px; background: #fbfcfc; padding: 10px; min-height: 80px; }
.wash-bar-row { display: grid; grid-template-columns: minmax(110px, 1.2fr) minmax(80px, 3fr) auto; gap: 8px; align-items: center; margin: 7px 0; font-size: 11px; }
.wash-bar-label { color: #445b63; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wash-bar-track { height: 12px; background: #e5eef1; border-radius: 6px; overflow: hidden; }
.wash-bar-track i { display: block; height: 100%; background: var(--chart-wash); border-radius: inherit; opacity: .95; }
.wash-stats { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; color: #445b63; font-size: 13px; }
.wash-table-wrap { overflow-x: auto; margin-top: 16px; }
.wash-table { min-width: 760px; }

@keyframes wash-skeleton-shimmer {
  to { background-position: -200% 0; }
}

.findings-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.findings-count {
  min-width: 42px;
  height: 42px;
  border-radius: 21px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #edf2f4;
  font-weight: 700;
}

.finding {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.finding:first-child {
  margin-top: 18px;
}

.finding-head {
  display: flex;
  gap: 10px;
  align-items: center;
}

.finding-level {
  font-size: 11px;
  font-weight: 700;
  border-radius: 10px;
  padding: 3px 8px;
  background: #edf2f4;
}

.finding-level.notice {
  background: #fff1d6;
  color: #875900;
}

.finding-title {
  font-weight: 700;
}

.finding-message {
  color: var(--muted);
  margin-top: 7px;
  line-height: 1.45;
}

@media (max-width: 1000px) {
  .analytics-grid {
    grid-template-columns:
      repeat(2,1fr);
  }

  .wash-summary {
    grid-template-columns:
      repeat(2,1fr);
  }
}

@media (max-width: 600px) {
  .analytics-grid,
  .wash-summary {
    grid-template-columns: 1fr;
  }
}

.chart-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.trend-buttons {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.trend-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 18px;
  padding: 7px 12px;
  cursor: pointer;
}

.active-trend {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.chart-block {
  margin-top: 22px;
}

.chart-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.trend-chart {
  min-height: 250px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfc;
  overflow: hidden;
}

.trend-svg {
  display: block;
  width: 100%;
  height: 250px;
}

.trend-grid {
  stroke: #e4eaec;
  stroke-width: 1;
}

.trend-axis-text {
  fill: #71858c;
  font-size: 11px;
}

.trend-line-one {
  fill: none;
  stroke: var(--chart-f1);
  stroke-width: 3;
}

.trend-line-two {
  fill: none;
  stroke: var(--chart-f2);
  stroke-width: 3;
}

.trend-empty {
  padding: 70px 20px;
  text-align: center;
  color: var(--muted);
}

.chart-legend {
  display: flex;
  gap: 20px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
}

.legend-one::before,
.legend-two::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 3px;
  vertical-align: middle;
  margin-right: 5px;
}

.legend-one::before {
  background: #0d7183;
}

.legend-two::before {
  background: #78a8b1;
}

@media (max-width: 600px) {
  .chart-heading {
    flex-direction: column;
  }

  .trend-chart,
  .trend-svg {
    min-height: 210px;
    height: 210px;
  }
}


/* WATERMAN navigation readability safeguard */
.waterman-main-nav .nav-link {
  color: rgba(255,255,255,.86);
  text-decoration: none;
}

.waterman-main-nav .nav-link:visited {
  color: rgba(255,255,255,.86);
}

.waterman-main-nav .nav-link:hover,
.waterman-main-nav .active-link,
.waterman-main-nav .active-link:visited {
  color: #fff;
}



/* WATERMAN sidebar browser-link override */
.sidebar a,
.sidebar a:link,
.sidebar a:visited,
.sidebar .nav-link,
.sidebar .nav-link:link,
.sidebar .nav-link:visited,
.waterman-main-nav a,
.waterman-main-nav a:link,
.waterman-main-nav a:visited {
  color: rgba(238,247,248,.88) !important;
  text-decoration: none !important;
}

.sidebar a:hover,
.sidebar .nav-link:hover,
.waterman-main-nav a:hover,
.sidebar .active-link,
.sidebar .active-link:visited,
.waterman-main-nav .active-link,
.waterman-main-nav .active-link:visited {
  color: #fff !important;
}



/* =========================================================
   WATERMAN WEB OPERATOR BRIEF DTO V6
   ========================================================= */

.core-overview {
  display: grid;
  grid-template-columns:
    minmax(0, 1.35fr)
    minmax(0, 1fr)
    minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.core-state-card,
.core-contract-card,
.core-quality-card,
.core-current-card {
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.98),
      rgba(245, 249, 252, 0.98)
    );
  border: 1px solid
    rgba(27, 81, 113, 0.12);
  border-radius: 18px;
  box-shadow:
    0 10px 28px
    rgba(25, 62, 86, 0.08);
}

.core-state-card,
.core-contract-card,
.core-quality-card {
  padding: 20px;
}

.core-state-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.core-state-value {
  margin-top: 8px;
  font-size: 24px;
  font-weight: 750;
  line-height: 1.2;
  color: #173f56;
}

.core-confidence {
  flex: 0 0 auto;
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(32, 127, 92, 0.10);
  color: #176747;
  font-size: 14px;
  font-weight: 700;
}

.core-period {
  margin-top: 16px;
  color: #6a7f8b;
  font-size: 13px;
  line-height: 1.5;
}

.core-contract-title {
  margin-bottom: 14px;
  color: #173f56;
  font-size: 16px;
  font-weight: 750;
}

.core-contract-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid
    rgba(27, 81, 113, 0.08);
  color: #607681;
  font-size: 13px;
}

.core-contract-row:last-child {
  border-bottom: 0;
}

.core-contract-row strong {
  max-width: 58%;
  color: #173f56;
  text-align: right;
  overflow-wrap: anywhere;
}

.core-quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.core-quality-grid div {
  padding: 12px;
  border-radius: 13px;
  background: rgba(27, 81, 113, 0.05);
}

.core-quality-grid span {
  display: block;
  color: #6a7f8b;
  font-size: 12px;
}

.core-quality-grid strong {
  display: block;
  margin-top: 6px;
  color: #173f56;
  font-size: 18px;
}

.core-quality-note {
  margin-top: 14px;
  color: #607681;
  font-size: 13px;
  line-height: 1.45;
}

.core-current-grid {
  display: grid;
  grid-template-columns:
    repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.core-current-card {
  padding: 15px;
}

.core-current-card span {
  display: block;
  min-height: 32px;
  color: #6a7f8b;
  font-size: 12px;
  line-height: 1.35;
}

.core-current-card strong {
  display: block;
  margin-top: 7px;
  color: #173f56;
  font-size: 16px;
  overflow-wrap: anywhere;
}

.status.warning {
  background: rgba(197, 139, 20, 0.12);
  color: #9a6800;
}

.status.standby {
  background: rgba(88, 111, 124, 0.12);
  color: #526a77;
}

@media (max-width: 1180px) {
  .core-overview {
    grid-template-columns: 1fr 1fr;
  }

  .core-state-card {
    grid-column: 1 / -1;
  }

  .core-current-grid {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .core-overview {
    grid-template-columns: 1fr;
  }

  .core-state-card {
    grid-column: auto;
  }

  .core-current-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .core-quality-grid {
    grid-template-columns: 1fr;
  }
}

/* Analytics tabs: compact single horizontal row (specificity guard). */
nav.analytics-tabs {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  flex-wrap: nowrap !important;
  width: 100% !important;
  max-width: 100%;
  overflow-x: auto !important;
  overflow-y: hidden;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

nav.analytics-tabs > .analytics-tab {
  display: inline-flex !important;
  flex: 0 0 auto !important;
  width: auto !important;
  min-width: max-content;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  white-space: nowrap !important;
  padding: 8px 16px;
}

nav.analytics-tabs > .analytics-tab:hover:not(.active) {
  background: #eef8f8;
}