:root {
  --palette-paper-100: #F6F5F2;
  --palette-paper-200: #ECEBE6;
  --palette-paper-300: #DCDAD3;

  --palette-ink-900:   #141413;
  --palette-ink-700:   #4A4945;
  --palette-ink-500:   #76746E;

  --palette-accent-500: #254FF7;
  --palette-accent-600: #1B3ECC;
  --palette-accent-700: #1430A3; /* Active */

  --palette-critical-green:  #40b667; /* Available / Watering */
  --palette-critical-red:    #B91C1C; /* Leak / Avería */
  --palette-critical-orange: #C25900; /* Out of Service */

  --bg-canvas:       var(--palette-paper-100);
  --bg-surface:      var(--palette-paper-200);
  --border-hairline: var(--palette-paper-300);

  --text-primary:    var(--palette-ink-900);
  --text-secondary:  var(--palette-ink-700);
  --text-muted:      var(--palette-ink-500);
  --text-on-accent:  #F6F5F2;

  --accent-primary:  var(--palette-accent-500);
  --accent-hover:    var(--palette-accent-600);
  --accent-active:   var(--palette-accent-700);

  --status-available:      var(--palette-critical-green);
  --status-watering:       var(--palette-critical-green);
  --status-leak:           var(--palette-critical-red);
  --status-out-of-service: var(--palette-critical-orange);
  --status-disconnected:   var(--palette-ink-500);

  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'Roboto Mono', monospace;

  --radius-layout:  0px;
  --radius-control: 2px;
  --control-height: 32px;

  --ease-crisp:     cubic-bezier(0.2, 0, 0, 1);
  --duration-fast:  140ms;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.app-header {
  height: 44px;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-hairline);
  background: var(--bg-canvas);
}

.app-header__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.app-header__title .badge-id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
}

.app-header__alert {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--palette-critical-red);
  font-weight: 500;
}

.app-layout {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  height: calc(100vh - 44px);
  width: 100%;
}

@media (max-width: 1024px) {
  .app-layout {
    grid-template-columns: 320px minmax(0, 1fr);
  }
}

.stations-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-hairline);
  background: var(--bg-canvas);
  height: 100%;
  overflow: hidden;
}

.pane-section {
  padding: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.pane-section__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.control-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.control-row {
  display: flex;
  gap: 0.5rem;
}

.form-select, .form-input {
  height: var(--control-height);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-control);
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 0 0.5rem;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-crisp);
}

.form-select:focus, .form-input:focus {
  border-color: var(--accent-primary);
  outline: 1px solid var(--accent-primary);
}

.form-select {
  width: 100%;
}

.form-input--num {
  width: 72px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--control-height);
  padding: 0 0.75rem;
  border: none;
  border-radius: var(--radius-control);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-crisp),
              color var(--duration-fast) var(--ease-crisp);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 1px;
}

.btn--primary {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
}

.btn--primary:active {
  background-color: var(--accent-active);
}

.btn--secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.btn--secondary:hover {
  background-color: var(--border-hairline);
}

.btn--full {
  width: 100%;
}

.btn-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.375rem;
}

.stations-list {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  margin: 0;
  list-style: none;
}

.station-item {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-hairline);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-crisp);
}

.station-item:hover {
  background-color: var(--bg-surface);
}

.station-item.is-selected {
  background-color: var(--bg-surface);
  border-left: 3px solid var(--accent-primary);
}

.station-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.station-item__id-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.station-item__id {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--text-primary);
}

.station-item__location {
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.status-led {
  width: 8px;
  height: 8px;
  border-radius: 0px;
  display: inline-block;
  flex-shrink: 0;
}

.status-led--AVAILABLE {
  background-color: var(--status-available);
}

.status-led--WATERING {
  background-color: var(--status-watering);
  animation: led-blink 1s infinite steps(1, start);
}

.status-led--LEAK {
  background-color: var(--status-leak);
}

.status-led--OUT_OF_SERVICE {
  background-color: var(--status-out-of-service);
}

.status-led--DISCONNECTED {
  background-color: var(--status-disconnected);
}

@keyframes led-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.18; }
}

.status-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

.status-label--AVAILABLE     { color: var(--status-available); }
.status-label--WATERING      { color: var(--status-watering); }
.status-label--LEAK          { color: var(--status-leak); }
.status-label--OUT_OF_SERVICE{ color: var(--status-out-of-service); }
.status-label--DISCONNECTED  { color: var(--status-disconnected); }

.station-item__telemetry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.station-item__active-flow {
  background: var(--bg-canvas);
  padding: 0.25rem 0.5rem;
  margin-top: 0.375rem;
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  color: var(--palette-critical-green);
}

/* Formulario de Alta de Estacion */
.new-station-form {
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.workspace-pane {
  display: grid;
  grid-template-rows: 1fr 240px;
  height: 100%;
  overflow: hidden;
}

.map-container {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--bg-canvas);
}

#map-canvas {
  width: 100%;
  height: 100%;
}

.leaflet-tile {
  filter: saturate(0.8) contrast(0.96) !important;
}

.leaflet-bar, .leaflet-control-zoom {
  border: 1px solid var(--border-hairline) !important;
  box-shadow: none !important;
  border-radius: 0px !important;
}

.leaflet-bar a {
  background-color: var(--bg-canvas) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-hairline) !important;
  border-radius: 0px !important;
}

.leaflet-popup-content-wrapper {
  border-radius: 0px !important;
  box-shadow: none !important;
  border: 1px solid var(--border-hairline) !important;
  background: var(--bg-canvas) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-body) !important;
  padding: 0 !important;
}

.leaflet-popup-tip {
  display: none !important;
}

.leaflet-popup-content {
  margin: 0.75rem 1rem !important;
  line-height: 1.4 !important;
}

.map-marker-braun {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.map-marker-braun.is-active {
  border-color: var(--accent-primary);
  outline: 1px solid var(--accent-primary);
}

.map-overlay-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1000;
}

.bottom-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border-hairline);
  background: var(--bg-canvas);
  height: 100%;
  overflow: hidden;
}

.bottom-column {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-hairline);
  height: 100%;
  overflow: hidden;
}

.bottom-column:last-child {
  border-right: none;
}

.bottom-column__header {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
}

.bottom-column__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-primary);
}

.bottom-column__body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.tech-table th {
  padding: 0.375rem 0.5rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-hairline);
  background: var(--bg-canvas);
  position: sticky;
  top: 0;
}

.tech-table td {
  padding: 0.375rem 0.5rem;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-primary);
}

.tech-table tr:hover {
  background-color: var(--bg-surface);
}

.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

.tab-link {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-link.is-active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
  font-weight: 500;
}

.icon-sharp {
  font-family: 'Material Symbols Sharp';
  font-weight: normal;
  font-style: normal;
  font-size: 16px;
  line-height: 1;
  display: inline-block;
  white-space: nowrap;
}