index.css

body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6; /* bg-gray-100 */
}
.task {
    cursor: grab;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, border-color 0.3s ease;
    border: 1px solid #e5e7eb; /* border-gray-200 */
}
.task:active {
    cursor: grabbing;
    transform: scale(1.03);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-lg */
}

.task.task-overdue {
    border-left-width: 4px; 
    border-left-color: #ef4444; 
    background-color: #fee2e2; 
}

.kanban-column.drag-over {
    background-color: #e0e7ff; 
    border-style: dashed;
}

.drag-placeholder {
    background-color: #e5e7eb; /* bg-gray-200 */
    border: 2px dashed #9ca3af; /* border-gray-400 */
    border-radius: 0.375rem; /* rounded-md */
    height: 60px; /* Adjust as needed, slightly taller for due date */
    margin-bottom: 0.75rem; /* mb-3 */
}
/* Confetti container */
#confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Allow clicks to pass through */
    overflow: hidden;
    z-index: 9999; /* Ensure confetti is on top */
}
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #f00; /* Example color */
    opacity: 0.9;
    border-radius: 2px;
    animation: fall 4s linear forwards;
}
@keyframes fall {
    0% {
        transform: translateY(-10vh) rotateZ(0deg);
        opacity: 0.9;
    }
    100% {
        transform: translateY(110vh) rotateZ(720deg);
        opacity: 0;
    }
}
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(0.6); /* Make icon slightly darker */
}