/* Custom variables for glassmorphism and theme */
:root {
  --bg-color: #f3f4f6;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --text-color: #1f2937;
  --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
  --progress-bg: #e5e7eb;
}

html.dark {
  --bg-color: #111827;
  --glass-bg: rgba(31, 41, 55, 0.7);
  --glass-border: rgba(75, 85, 99, 0.5);
  --text-color: #f9fafb;
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --progress-bg: #374151;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  /* Add a subtle vibrant background gradient */
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.15), transparent 40%),
              radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.15), transparent 40%),
              var(--bg-color);
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow);
}

.task-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.task-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
}

.progress-bar-container {
  background-color: var(--progress-bg);
  border-radius: 9999px;
  overflow: hidden;
  height: 8px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #ec4899);
  transition: width 0.4s ease;
}

/* Hide scrollbar for clean masonry if using columns */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.dragging {
  opacity: 0.5;
  border: 2px dashed #6366f1;
}

.tab-active {
  border-bottom: 2px solid #6366f1;
  color: #6366f1;
}