:root {
  --bg-main: #f8fafc;
  --bg-panel: #ffffff;
  --bg-card: #f1f5f9;
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --accent-green: #087f73;
  --accent-green-dark: #005f56;
  --accent-blue: #0284c7;
  --accent-red: #dc2626;
  --border-color: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* TOP NAVBAR SENSAGRI */
.sensagri-navbar {
  background-color: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-divider {
  width: 1px;
  height: 32px;
  background-color: #cbd5e1;
}

.brand-subtitle {
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  color: var(--accent-green);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 2px;
}

.brand-title h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.2;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: #f1f5f9;
  padding: 0.35rem;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.nav-link {
  color: #64748b;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-link:hover {
  color: #0f172a;
  background-color: rgba(255, 255, 255, 0.6);
}

.nav-link.active {
  background-color: #ffffff;
  color: var(--accent-green);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.navbar-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
  background: #f8fafc;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #94a3b8;
}

.status-dot.good { background-color: #10b981; }
.status-dot.bad { background-color: #ef4444; }

/* PAGE CONTAINER Y MAIN CONTENT FLUIDO */
.page-container {
  display: flex;
  justify-content: center;
  width: 100%;
}

.main-content {
  width: 100%;
  max-width: 1400px;
  padding: 1.5rem 2rem 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.node-tabs-container {
  display: flex;
  gap: 0.5rem;
}

.node-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.2s;
}

.node-tab.active {
  border-color: var(--accent-green);
  background: #e6f4f1;
}

.tab-title {
  font-weight: bold;
  font-size: 0.9rem;
}

.tab-badge {
  font-size: 0.75rem;
  background: #cbd5e1;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.status-indicator.online {
  color: var(--accent-green);
  font-size: 0.8rem;
  font-weight: bold;
}

.time-controls-finance {
  display: flex;
  gap: 0.25rem;
  background: var(--bg-card);
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.time-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.time-btn.active {
  background: var(--accent-green);
  color: #ffffff;
}

/* KPIS DEL CAMPO */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

.kpi-card.highlight {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-color: #334155;
}

.kpi-card.highlight .kpi-label,
.kpi-card.highlight .kpi-sub {
  color: #94a3b8;
}

.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 2rem;
  font-weight: bold;
  margin: 0.4rem 0;
}

.kpi-value.warning {
  color: var(--accent-red);
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* GRIDS Y PANELES */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.content-grid > .panel {
  min-width: 0;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.eyebrow {
  font-size: 0.7rem;
  color: var(--accent-green);
  font-weight: bold;
  letter-spacing: 1px;
}

#temperatureChart {
  width: 100%;
  height: 280px;
  background: #ffffff;
  border-radius: 8px;
}

/* TABLA Y SENSORES */
.sensor-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tree-diagram {
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #fff8fa 0%, #fff 78%);
  border: 1px solid #f2dbe3;
  border-radius: 10px;
}

.tree-diagram svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.tree-ground {
  fill: none;
  stroke: #b9d5c8;
  stroke-width: 8;
  stroke-linecap: round;
}

.tree-sky { fill: #fff1f5; }
.tree-hill { fill: #b9cb83; }
.tree-shadow { fill: #7e9953; opacity: 0.55; }
.tree-cloud { fill: #ffffff; opacity: 0.78; }

.tree-trunk {
  fill: url(#treeTrunk);
}

.tree-branch {
  fill: none;
  stroke: #75442f;
  stroke-width: 10;
  stroke-linecap: round;
}

.tree-canopy circle { fill: url(#treeCanopy); stroke: #d86b91; stroke-width: 1; }
.tree-blossoms circle { fill: #fff5f7; opacity: 0.9; }

.tree-sensor circle {
  fill: #fff;
  stroke: #087f73;
  stroke-width: 4;
}

.sensor-label {
  fill: #475569;
  font-size: 11px;
  font-weight: 600;
}

.sensor-reading {
  fill: #0f172a;
  font-size: 14px;
  font-weight: 800;
}

.sensor-top { transform: translate(184px, 57px); }
.sensor-mid { transform: translate(169px, 137px); }
.sensor-low { transform: translate(169px, 205px); }
.sensor-base { transform: translate(226px, 270px); }
.sensor-soil { transform: translate(120px, 344px); }

.sensor-top .sensor-label, .sensor-mid .sensor-label, .sensor-low .sensor-label,
.sensor-base .sensor-label, .sensor-soil .sensor-label { text-anchor: start; }

.sensor-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-color);
}

.sensor-name { font-size: 0.9rem; font-weight: 600; }
.sensor-health.healthy { color: var(--accent-green); font-size: 0.75rem; }
.sensor-health.unavailable { color: var(--accent-red); font-size: 0.75rem; }
.sensor-value { font-size: 1rem; font-weight: bold; }

.table-wrap { overflow-x: auto; }
.telemetry-scroll {
  max-height: 420px;
  overflow: auto;
}

.telemetry-scroll .telemetry-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: 0 1px 0 var(--border-color);
}

.telemetry-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; text-align: left; }
.telemetry-table th, .telemetry-table td { padding: 0.75rem; border-bottom: 1px solid var(--border-color); }
.telemetry-table th { background-color: var(--bg-card); color: var(--text-muted); }
.row-frost { background-color: #fef2f2; }

.config-form { display: flex; flex-direction: column; gap: 0.8rem; }
.form-group { display: flex; justify-content: space-between; align-items: center; }
.form-group input[type="number"] { width: 90px; padding: 0.4rem; border: 1px solid var(--border-color); border-radius: 6px; }

.btn-primary {
  background-color: var(--accent-green);
  color: #ffffff;
  font-weight: bold;
  border: none;
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
}

.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.empty { color: var(--text-muted); font-size: 0.85rem; text-align: center; padding: 1rem 0; }

.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--border-color);
  background: var(--bg-card);
  font-size: 0.8rem;
}

.alert-item.active { border-left-color: var(--accent-red); }
.alert-item.resolved { border-left-color: var(--accent-green); }
.alert-item strong,
.alert-item span { display: block; }
.alert-item div span { color: var(--text-muted); margin-top: 0.2rem; }
.alert-state { font-weight: 700; white-space: nowrap; }

/* ESTILOS PARA PAGINA HISTORIAL */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0f172a;
  color: #ffffff;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid #1e293b;
}

.shell {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.history-content {
  gap: 1.5rem;
}

.filter-card {
  background: var(--bg-panel);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr)) auto;
  gap: 1rem;
  align-items: end;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.filter-field input,
.filter-field select {
  width: 100%;
  min-height: 40px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  background: var(--bg-panel);
  font: inherit;
}

.btn-query {
  min-height: 40px;
  background: var(--accent-green);
  color: #ffffff;
  border: 0;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.btn-query:hover,
.btn-primary:hover {
  background: var(--accent-green-dark);
}

.history-actions {
  display: flex;
  gap: 0.6rem;
  align-items: end;
}

.btn-export {
  min-height: 40px;
  background: #eef3ed;
  color: var(--accent-green);
  border: 1px solid #b9d5c8;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.btn-export:hover { background: #dceee5; }
.btn-export:disabled { opacity: 0.5; cursor: not-allowed; }

.history-table-wrap {
  max-height: 600px;
  overflow: auto;
}

.history-table-wrap .telemetry-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: 0 1px 0 var(--border-color);
}

.comment-box {
  width: 100%;
  min-width: 160px;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 0.82rem;
}

.btn-save-comment {
  background: #eef3ed;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-green);
  cursor: pointer;
  margin-top: 0.2rem;
}

@media (max-width: 1100px) {
  .sensagri-navbar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .top-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    overflow-x: auto;
  }

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

@media (max-width: 760px) {
  .sensagri-navbar {
    padding: 0.75rem 1rem;
  }

  .navbar-brand {
    gap: 0.6rem;
  }

  .navbar-logo {
    height: 38px;
  }

  .brand-divider,
  .navbar-status {
    display: none;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .nav-link {
    white-space: nowrap;
    padding: 0.5rem 0.7rem;
  }

  .main-content {
    padding: 1rem 0.75rem 2rem;
  }

  .top-header,
  .content-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .top-header,
  .panel,
  .filter-card {
    padding: 1rem;
  }

  .kpi-grid,
  .content-grid,
  .filter-grid {
    grid-template-columns: 1fr;
  }

  .history-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .time-controls-finance {
    justify-content: space-between;
  }

  .time-btn {
    flex: 1;
    padding-inline: 0.35rem;
  }

  .telemetry-scroll {
    max-height: 360px;
  }

  .history-table-wrap {
    max-height: 360px;
  }
}