/* Base e Background */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f4f6;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Scrollbar Personalizada */
.custom-scroll::-webkit-scrollbar {
    width: 6px;
}
.custom-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.custom-scroll::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 20px;
}

/* Área da lista de tarefas */
.task-list {
    min-height: 150px; /* Garante área de drop mesmo vazia */
    transition: background-color 0.2s, border-color 0.2s;
    border: 2px solid transparent;
    border-radius: 0.5rem;
}

/* Animações de Drag and Drop */
.task-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.column-highlight {
    background-color: #eff6ff; /* blue-50 */
    border-color: #93c5fd;     /* blue-300 */
}