:root {
  --primary: #0066FF;
  --primary-hover: #0052CC;
  --bg-main: #F4F7FB;
  --bg-surface: #FFFFFF;
  --text-main: #1D2129;
  --text-secondary: #4E5969;
  --border-color: #E5E6EB;
  --p0-color: #F53F3F;
  --p1-color: #FF7D00;
  --p2-color: #F7BA1E;
  --p3-color: #165DFF;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  overflow: hidden;
}

#root {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #C9CDD4;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #86909C;
}

/* Glassmorphism Classes */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

/* Global Button & Interactive Feedback */
button, 
[role="button"],
.clickable,
.interactive-item,
.dir-item,
.global-nav-list li,
.plan-list li,
.table-row,
.tool-btn,
.toggle-btn,
.action-btn {
  transition: var(--transition-base);
  cursor: pointer;
  user-select: none;
}

button:active, 
[role="button"]:active,
.clickable:active,
.interactive-item:active,
.dir-item:active,
.global-nav-list li:active,
.plan-list li:active,
.tool-btn:active,
.toggle-btn:active,
.action-btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.table-row:active {
  background-color: #F0F7FF !important;
}

/* Base button styles to ensure consistency */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 14px;
  border: 1px solid transparent;
  transition: var(--transition-base);
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.2);
}

.btn-primary:active {
  transform: scale(0.96);
}