:root {
  --bg-primary: #080c14;
  --bg-secondary: #0f1524;
  --bg-tertiary: #172036;
  --accent-green: #00e699;
  --accent-green-alpha: rgba(0, 230, 153, 0.15);
  --accent-blue: #00b0ff;
  --accent-blue-alpha: rgba(0, 176, 255, 0.15);
  --accent-carbon: #c8b195;
  --accent-carbon-alpha: rgba(200, 177, 149, 0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.06);
  --glass-bg: rgba(15, 21, 36, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --sidebar-width: 360px;
  --header-height: 70px;
  --analytics-height: 300px;
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.app-container {
  display: grid;
  grid-template-rows: var(--header-height) 1fr;
  height: 100vh;
}

/* App Header */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  color: var(--accent-green);
  display: flex;
  align-items: center;
  filter: drop-shadow(0 0 8px rgba(0, 230, 153, 0.3));
}

.logo-text h1 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #ffffff;
  line-height: 1;
}

.logo-text span {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 2px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 24px;
}

.active-farm-display {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 30px;
}

.active-farm-display .label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.dropdown-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-wrapper select {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding-right: 24px;
  cursor: pointer;
  outline: none;
}

.dropdown-arrow {
  position: absolute;
  right: 0;
  pointer-events: none;
  color: var(--text-secondary);
  display: flex;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 230, 153, 0.06);
  border: 1px solid rgba(0, 230, 153, 0.15);
  padding: 6px 12px;
  border-radius: 30px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.status-dot.online {
  animation: pulse-green 2s infinite;
}

.status-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-green);
}

/* Main Grid Layout */
.app-main {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr var(--analytics-height);
  grid-template-areas: 
    "sidebar map"
    "analytics analytics";
  height: calc(100vh - var(--header-height));
  overflow: hidden;
}

/* Sidebar Styling */
.app-sidebar {
  grid-area: sidebar;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
  z-index: 90;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding-bottom: 8px;
}

.section-title h2 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

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

.farm-actions {
  display: flex;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-draw-active {
  background-color: rgba(239, 68, 68, 0.1) !important;
  color: #ef4444 !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
}

/* Farms List */
.farms-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.farm-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.farm-item:hover {
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.farm-item.active {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-green);
}

.farm-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.farm-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.farm-type {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.farm-area {
  font-size: 0.75rem;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
}

.farm-item.active .farm-area {
  background-color: var(--accent-green-alpha);
  color: var(--accent-green);
}

/* Layers Controller */
.layers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.layer-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 12px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.layer-btn:hover {
  border-color: var(--text-muted);
}

.layer-btn.active {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-green);
  color: var(--text-primary);
}

.layer-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background-size: cover;
  background-position: center;
}

.sat-icon { background-image: radial-gradient(circle, #2a3e5c, #0d1624); }
.ndvi-icon { background-image: linear-gradient(135deg, #10b981, #059669); }
.moisture-icon { background-image: linear-gradient(135deg, #0ea5e9, #2563eb); }
.contours-icon { background-image: repeating-linear-gradient(45deg, #c8b195, #c8b195 2px, transparent 2px, transparent 8px); }

.layer-btn span {
  font-size: 0.75rem;
  font-weight: 500;
}

/* Crop Metrics Styling */
.metrics-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metric-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.metric-value-wrapper {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.metric-trend {
  font-size: 0.7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 2px;
}

.metric-trend.up { color: var(--accent-green); }
.metric-trend.down { color: #ef4444; }
.metric-trend.neutral { color: var(--text-muted); }

.metric-bar-container {
  width: 100%;
  height: 4px;
  background-color: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.metric-bar {
  height: 100%;
  border-radius: 2px;
}

/* Map Viewport Area */
.map-viewport {
  grid-area: map;
  position: relative;
  height: 100%;
  width: 100%;
}

#map {
  height: 100%;
  width: 100%;
  background-color: var(--bg-primary);
}

/* Custom styles for Leaflet elements to match Dark Mode */
.leaflet-container {
  background: var(--bg-primary) !important;
}

.leaflet-bar {
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow) !important;
  border-radius: 8px !important;
  overflow: hidden;
}

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

.leaflet-bar a:hover {
  background-color: var(--bg-tertiary) !important;
  color: var(--accent-green) !important;
}

/* Floating Map Legend */
.map-legend {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 14px;
  border-radius: 8px;
  width: 200px;
  transition: all 0.3s ease;
}

.map-legend.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.map-legend h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.legend-scale {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legend-gradient {
  height: 12px;
  border-radius: 6px;
  width: 100%;
}

.legend-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Drawing Instructions Toast */
.drawing-toast {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(15, 21, 36, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 10px 18px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
}

.drawing-toast.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -20px);
}

.toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
}

.toast-message {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding-left: 6px;
}

.btn-close:hover {
  color: #ffffff;
}

/* Bottom Analytics Panel */
.app-analytics {
  grid-area: analytics;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-rows: 50px 1fr;
  overflow: hidden;
  z-index: 90;
}

.analytics-header {
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

.analytics-tabs {
  display: flex;
  gap: 8px;
  height: 100%;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  transition: color 0.2s ease;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-green);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-green);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.analytics-period {
  display: flex;
  align-items: center;
  gap: 8px;
}

.analytics-period .label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.analytics-period select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  outline: none;
}

.analytics-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  padding: 16px 24px;
  gap: 24px;
  height: calc(100% - 8px);
}

.chart-wrapper {
  width: 100%;
  height: 210px;
  position: relative;
}

.insights-panel {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.insights-panel h3 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.insight-item {
  display: flex;
  gap: 10px;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

.insight-icon {
  flex-shrink: 0;
  display: flex;
  margin-top: 2px;
}

.insight-green { color: var(--accent-green); }
.insight-blue { color: var(--accent-blue); }
.insight-carbon { color: var(--accent-carbon); }

/* Contour Line styling custom classes for Leaflet SVG renderer */
.contour-line {
  stroke: var(--accent-carbon);
  stroke-opacity: 0.55;
  fill: none;
  stroke-dasharray: 2, 3;
  transition: stroke 0.2s;
  pointer-events: stroke;
}

.contour-line:hover {
  stroke: #ffffff;
  stroke-opacity: 0.9;
  stroke-width: 2px;
}

.contour-label {
  color: var(--accent-carbon);
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 700;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 1px 3px;
  border-radius: 3px;
  white-space: nowrap;
}

/* Animations */
@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 230, 153, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 230, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 230, 153, 0);
  }
}

.animate-pulse {
  animation: pulse-blue 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-blue {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 8px rgba(0, 176, 255, 0.6);
  }
  50% {
    opacity: .5;
    box-shadow: 0 0 2px rgba(0, 176, 255, 0.2);
  }
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .app-main {
    grid-template-columns: 1fr;
    grid-template-rows: auto 400px auto;
    grid-template-areas: 
      "sidebar"
      "map"
      "analytics";
    overflow-y: auto;
  }
  .app-sidebar {
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .app-analytics {
    grid-template-rows: auto auto;
    height: auto;
  }
  .analytics-body {
    grid-template-columns: 1fr;
    height: auto;
  }
}