:root {
  --bg: #f4f7f8;
  --panel: #ffffff;
  --text: #18313a;
  --muted: #71858c;
  --accent: #0d7183;
  --good: #238b57;
  --bad: #bb3c3c;
  --line: #dce5e8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  min-height: 100vh;
  display: flex;
}

.sidebar {
  width: 220px;
  background: #12333d;
  color: white;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
}

.brand {
  margin-bottom: 40px;
}

.brand-main {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
}

.brand-sub {
  font-size: 12px;
  opacity: .65;
  margin-top: 4px;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav {
  border: 0;
  background: transparent;
  color: #d7e4e8;
  text-align: left;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
}

.nav.active {
  background: rgba(255,255,255,.12);
  color: white;
}

.sidebar-footer {
  margin-top: auto;
  font-size: 12px;
  opacity: .5;
}

.main {
  flex: 1;
  padding: 32px 40px;
  max-width: 1400px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

h1 {
  margin: 0;
  font-size: 30px;
}

.subtitle {
  color: var(--muted);
  margin-top: 6px;
}

.status {
  padding: 10px 16px;
  border-radius: 22px;
  background: #e7ecee;
  font-weight: 700;
}

.status.good {
  background: #e1f4e9;
  color: var(--good);
}

.status.bad {
  background: #fde8e8;
  color: var(--bad);
}

.cards {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(180px,1fr));
  gap: 18px;
  margin-top: 28px;
}

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

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

.value {
  font-size: 34px;
  font-weight: 700;
  margin-top: 12px;
}

.value small {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
}

.text-value {
  font-size: 24px;
}

.secondary {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.panel {
  margin-top: 20px;
}

.panel-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.pump-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 16px;
}

.pump {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}

.pump-title {
  color: var(--muted);
}

.pump-state {
  margin-top: 10px;
  font-size: 23px;
  font-weight: 700;
}

.pump-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.running {
  color: var(--good);
}

.stopped {
  color: var(--muted);
}

.volume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.volume {
  font-size: 28px;
  font-weight: 700;
  margin-top: 8px;
}

footer {
  margin-top: 26px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1000px) {
  .sidebar {
    display: none;
  }

  .main {
    padding: 22px;
  }

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

@media (max-width: 600px) {
  .cards,
  .pump-grid,
  .volume-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }
}

.station-heading {
  display: flex;
  align-items: center;
  gap: 20px;
}

.station-selector {
  min-width: 250px;
  max-width: 420px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 9px 34px 9px 12px;
  border-radius: 9px;
  font: inherit;
  cursor: pointer;
}

.analytics-station-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}

@media (max-width: 700px) {
  .station-heading,
  .analytics-station-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .station-selector {
    width: 100%;
    min-width: 0;
  }
}


/* WATERMAN USER PANEL v1 */

.user-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.user-info {
  text-align: right;
  line-height: 1.2;
}

.user-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.user-role {
  margin-top: 3px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
}

.logout-button {
  width: auto;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.logout-button:hover {
  background: #f3f6f7;
}

@media (max-width: 700px) {
  .user-panel {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
  }

  .user-info {
    text-align: left;
  }
}


/* =========================================================
   WATERMAN ALL — NAVIGATION CONTRACT v2
   Structural phase. Final brand styling comes later.
   ========================================================= */

.waterman-main-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.waterman-main-nav .nav-link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;

  /*
   * Important accessibility correction:
   * sidebar text must remain readable on dark backgrounds.
   */
  color: rgba(255, 255, 255, .86);
}

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

.waterman-main-nav .nav-link:hover {
  color: #ffffff;
}

.waterman-main-nav .active-link {
  color: #ffffff;
  font-weight: 700;
}

.waterman-main-nav .active-link:visited {
  color: #ffffff;
}



/* =========================================================
   WATERMAN SIDEBAR TEXT FIX v2
   Prevent browser default blue/purple links.
   ========================================================= */

.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 {

  color:
    #ffffff !important;

  text-decoration:
    none !important;
}


.sidebar .active-link,
.sidebar .active-link:link,
.sidebar .active-link:visited,
.waterman-main-nav .active-link,
.waterman-main-nav .active-link:visited {

  color:
    #ffffff !important;

  font-weight:
    700;
}