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

html, body, #root {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ReactFlow specific styles */
.react-flow__node {
  border-radius: 5px;
  font-size: 12px;
  color: #222;
  text-align: left;
  border-width: 1px;
  border-style: solid;
  transition: transform 0.2s, box-shadow 0.2s;
}

.react-flow__node:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  z-index: 10;
}

.react-flow__node-database {
  background: #e6f7ff;
  border-color: #1890ff;
}

.react-flow__node-schema {
  background: #f6ffed;
  border-color: #52c41a;
}

.react-flow__node-table.fact {
  background: #fff1f0;
  border-color: #ff4d4f;
}

.react-flow__node-table.dimension {
  background: #f9f0ff;
  border-color: #722ed1;
}

.react-flow__handle {
  width: 8px;
  height: 8px;
  background-color: #1890ff;
}

.react-flow__edge-path {
  stroke: #1890ff;
  stroke-width: 1.5;
}

.react-flow__edge.animated path {
  stroke-dasharray: 5;
  animation: dashdraw 0.5s linear infinite;
}

/* Enhanced infinite canvas styles */
.react-flow__pane {
  cursor: grab;
}

.react-flow__pane.dragging {
  cursor: grabbing;
}

.react-flow__controls {
  box-shadow: 0 0 10px rgba(0,0,0,0.15);
  border-radius: 8px;
  overflow: hidden;
}

.react-flow__controls-button {
  background: white;
  border: none;
  border-bottom: 1px solid #eee;
  padding: 8px;
  transition: background-color 0.2s;
}

.react-flow__controls-button:hover {
  background-color: #f0f0f0;
}

.react-flow__minimap {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0,0,0,0.15);
}

/* Connection mode animation */
@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 196, 26, 0.7);
  }
  
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(82, 196, 26, 0);
  }
  
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 196, 26, 0);
  }
}

/* Custom edge styles */
.react-flow__edge.reference path {
  stroke: #00a99d;
  stroke-width: 2;
}

.react-flow__edge.dependency path {
  stroke: #ff4d4f;
  stroke-width: 2;
}

.react-flow__edge.default path {
  stroke: #722ed1;
  stroke-width: 2;
}

/* Connection handle styles */
.react-flow__handle {
  width: 12px !important;
  height: 12px !important;
  border-radius: 50%;
  border: 2px solid white;
  transition: all 0.2s ease;
}

.react-flow__handle:hover {
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.react-flow__handle-top {
  top: -6px;
}

.react-flow__handle-right {
  right: -6px;
}

.react-flow__handle-bottom {
  bottom: -6px;
}

.react-flow__handle-left {
  left: -6px;
}

/* Connection line styles */
.react-flow__connection-path {
  stroke-width: 3;
}

/* Make nodes stand out when in connection mode */
.react-flow.connection-mode .react-flow__node {
  filter: drop-shadow(0 0 8px rgba(24, 144, 255, 0.5));
}

@keyframes dashdraw {
  from {
    stroke-dashoffset: 10;
  }
}

/* Custom node styles */
.database-node, .schema-node, .table-node {
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.database-node:hover, .schema-node:hover, .table-node:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* App layout styles */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: #121212;
  color: #ffffff;
}

header {
  background: #1a1a1a;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 15px rgba(0,0,0,0.5);
  z-index: 10;
  border-bottom: 1px solid #333;
  position: relative;
  overflow: hidden;
}

/* Animated gradient border for header */
header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #00a99d, #52c41a, #fa8c16, #722ed1, #00a99d);
  background-size: 400% 400%;
  animation: gradient-shift 8s ease infinite;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

aside {
  width: 250px;
  background: #1a1a1a;
  padding: 20px;
  border-right: 1px solid #333;
  overflow-y: auto;
  box-shadow: inset -5px 0 15px rgba(0,0,0,0.2);
}

/* Animated hover effects for sidebar items */
aside li {
  transition: all 0.3s ease;
  border-radius: 4px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

aside li::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: all 0.5s ease;
  z-index: -1;
}

aside li:hover::before {
  left: 100%;
}

aside li:hover {
  background: rgba(255,255,255,0.05);
  transform: translateX(5px);
  padding-left: 5px;
}

main {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: #121212;
}

/* Utility classes */
.clickable {
  cursor: pointer;
}

.panel {
  background: #1a1a1a;
  border-radius: 5px;
  padding: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  color: #ffffff;
  border: 1px solid #333;
}

/* Dark theme for ReactFlow */
.react-flow__controls {
  background: #1a1a1a;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.react-flow__controls-button {
  background: #1a1a1a;
  border-bottom: 1px solid #333;
  color: #ffffff;
}

.react-flow__controls-button:hover {
  background: #333;
}

.react-flow__controls-button svg {
  fill: #ffffff;
}

.react-flow__minimap {
  background: #1a1a1a;
  border: 1px solid #333;
}

.react-flow__attribution {
  background: rgba(26, 26, 26, 0.8);
  color: #ffffff;
}

/* Glowing effect for nodes on hover */
.react-flow__node:hover {
  box-shadow: 0 0 15px rgba(82, 196, 26, 0.6);
}

/* Animated background for the canvas */
.react-flow__background {
  animation: bg-pulse 10s ease infinite;
}

@keyframes bg-pulse {
  0% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 0.3;
  }
}

/* Animated connection lines */
.react-flow__edge path {
  stroke-dasharray: 5;
  /* animation: flow-line 30s linear infinite; */
}

@keyframes flow-line {
  to {
    stroke-dashoffset: -1000;
  }
}

/* Navigation item hover effects */
.nav-item {
  position: relative;
  overflow: hidden;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #00a99d, #52c41a);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-item:hover::after {
  width: 80%;
}

/* Secondary navigation bar styles */
.secondary-nav {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(18, 18, 18, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: relative;
}

/* Navigation button styles */
.nav-button {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-right: 8px;
  user-select: none;
}

.nav-button:hover {
  background: rgba(0, 169, 157, 0.1);
  transform: translateY(-1px);
}

.nav-button.active {
  background: rgba(0, 169, 157, 0.15);
  border: 1px solid rgba(0, 169, 157, 0.3);
}

.nav-button.active span {
  color: #fff;
  font-weight: 500;
}

.nav-button svg {
  margin-right: 8px;
}

/* User profile button styles */
.user-profile {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.user-profile:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.notification-button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.notification-button:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Glow effect for active elements */
.glow-effect {
  box-shadow: 0 0 15px rgba(82, 196, 26, 0.6);
  transition: all 0.3s ease;
}

.glow-effect:hover {
  box-shadow: 0 0 20px rgba(82, 196, 26, 0.8);
}

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}